10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

______________________

Form 10-K

(Mark One)
☑	ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
	FOR THE FISCAL YEAR ENDED DECEMBER 31, 2021
OR
☐	TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
	FOR THE TRANSITION PERIOD FROM                TO

	Registrant, State or Other Jurisdiction  of Incorporation or Organization
Commission file number	Address of Principal Executive Offices, Zip Code  and Telephone Number			I.R.S. Employer Identification No.
1-31447	CenterPoint Energy, Inc.			74-0694415
	(a Texas corporation)
	1111 Louisiana
	Houston,	Texas	77002
	(713)	207-1111
1-3187	CenterPoint Energy Houston Electric, LLC			22-3865106
	(a Texas limited liability company)
	1111 Louisiana
	Houston,	Texas	77002
	(713)	207-1111
1-13265	CenterPoint Energy Resources Corp.			76-0511406
	(a Delaware corporation)
	1111 Louisiana
	Houston,	Texas	77002
	(713)	207-1111

Securities registered pursuant to Section 12(b) of the Act:
Registrant	Title of each class	Trading symbol(s)	Name of each exchange on which registered
CenterPoint Energy, Inc.	Common Stock, $0.01 par value	CNP	New York Stock Exchange
			Chicago Stock Exchange
CenterPoint Energy Houston Electric, LLC	6.95% General Mortgage Bonds due 2033	n/a	New York Stock Exchange
CenterPoint Energy Resources Corp.	6.625% Senior Notes due 2037	n/a	New York Stock Exchange
Securities registered pursuant to Section 12(g) of the Act:
None

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.

CenterPoint Energy, Inc.	Yes	þ	No o
CenterPoint Energy Houston Electric, LLC	Yes	þ	No o
CenterPoint Energy Resources Corp.	Yes	þ	No o

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.  

CenterPoint Energy, Inc.	Yes o	No	þ
CenterPoint Energy Houston Electric, LLC	Yes o	No	þ
CenterPoint Energy Resources Corp.	Yes o	No	þ

Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.  

CenterPoint Energy, Inc.	Yes	þ	No o
CenterPoint Energy Houston Electric, LLC	Yes	þ	No o
CenterPoint Energy Resources Corp.	Yes	þ	No o

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). 

CenterPoint Energy, Inc.	Yes	þ	No o
CenterPoint Energy Houston Electric, LLC	Yes	þ	No o
CenterPoint Energy Resources Corp.	Yes	þ	No o

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer”, “accelerated filer”, “smaller reporting company”, and “emerging growth company” in Rule 12b-2 of the Exchange Act.

	Large accelerated filer	Accelerated filer	Non-accelerated filer	Smaller reporting company	Emerging growth company
CenterPoint Energy, Inc.	þ	o	o	☐	☐
CenterPoint Energy Houston Electric, LLC	o	o	þ	☐	☐
CenterPoint Energy Resources Corp.	o	o	þ	☐	☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Act. o  

Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report. ☑

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).

CenterPoint Energy, Inc.	Yes	☐	No þ
CenterPoint Energy Houston Electric, LLC	Yes	☐	No þ
CenterPoint Energy Resources Corp.	Yes	☐	No þ

The aggregate market values of the voting stock held by non-affiliates of the Registrants as of June 30, 2021 are as follows:

CenterPoint Energy, Inc. (using the definition of beneficial ownership contained in Rule 13d-3 promulgated pursuant to Securities Exchange Act of 1934 and excluding shares held by directors and executive officers)	$14,445,680,164
CenterPoint Energy Houston Electric, LLC	None
CenterPoint Energy Resources Corp.	None

Indicate the number of shares outstanding of each of the issuers’ classes of common stock as of  February 15, 2022:

CenterPoint Energy, Inc.	628,936,067	shares of common stock outstanding, excluding 166 shares held as treasury stock
CenterPoint Energy Houston Electric, LLC	1,000	common shares outstanding, all held by Utility Holding, LLC, a wholly-owned subsidiary of CenterPoint Energy, Inc.
CenterPoint Energy Resources Corp.	1,000	shares of common stock outstanding, all held by Utility Holding, LLC, a wholly-owned subsidiary of CenterPoint Energy, Inc.

CenterPoint Energy Houston Electric, LLC and CenterPoint Energy Resources Corp. meet the conditions set forth in general instruction I(1)(a) and (b) of Form 10-K and are therefore filing this Form 10-K with the reduced disclosure format specified in General Instruction I(2) of Form 10-K.

DOCUMENTS INCORPORATED BY REFERENCE

Portions of the definitive proxy statement relating to the 2022 Annual Meeting of Shareholders of CenterPoint Energy, which will be filed with the Securities and Exchange Commission within 120 days of December 31, 2021, are incorporated by reference in Item 10, Item 11, Item 12, Item 13 and Item 14 of Part III of this Form 10-K.

TABLE OF CONTENTS

PART I
		Page
Item 1.	Business	1
Item 1A.	Risk Factors	17
Item 1B.	Unresolved Staff Comments	36
Item 2.	Properties	37
Item 3.	Legal Proceedings	39
Item 4.	Mine Safety Disclosures	39
PART II
Item 5.	Market for Registrants’ Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities	39
Item 6.	Selected Financial Data	39
Item 7.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	40
Item 7A.	Quantitative and Qualitative Disclosures About Market Risk	77
Item 8.	Financial Statements and Supplementary Data	78
Item 9.	Changes in and Disagreements with Accountants on Accounting and Financial Disclosure	177
Item 9A.	Controls and Procedures	177
Item 9B.	Other Information	180
Item 9C.	Disclosure Regarding Foreign Jurisdictions that Prevent Inspections	180
PART III
Item 10.	Directors, Executive Officers and Corporate Governance	180
Item 11.	Executive Compensation	180
Item 12.	Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters	180
Item 13.	Certain Relationships and Related Transactions, and Director Independence	180
Item 14.	Principal Accounting Fees and Services	180
PART IV
Item 15.	Exhibits and Financial Statement Schedules	181
Item 16.	Form 10-K Summary	182

i

GLOSSARY
ACE	Affordable Clean Energy
AFUDC	Allowance for funds used during construction
AGC	Alcoa Generating Corporation, a subsidiary of Alcoa, Inc.
AMAs	Asset Management Agreements
AMI	Advanced Metering Infrastructure
AMS	Advanced Metering System
APSC	Arkansas Public Service Commission
ARO	Asset retirement obligation
ARP	Alternative revenue program
ASC	Accounting Standards Codification
Asset Purchase Agreement	Asset Purchase Agreement, dated as of April 29, 2021, by and between CERC Corp. and Southern Col Midco, LLC, a Delaware limited liability company and an affiliate of Summit Utilities, Inc.
ASU	Accounting Standards Update
AT&T	AT&T Inc.
AT&T Common	AT&T common stock
Bailey to Jones Creek Project	A transmission project in the greater Freeport, Texas area, which includes enhancements to two existing substations and the construction of a new 345 kV double-circuit line located in the counties of Brazoria, Matagorda and Wharton
Bcf	Billion cubic feet
Bond Companies	Bond Company IV and Restoration Bond Company, each a wholly-owned, bankruptcy remote entity formed solely for the purpose of purchasing and owning transition or system restoration property through the issuance of Securitization Bonds
Bond Company IV	CenterPoint Energy Transition Bond Company IV, LLC, a wholly-owned subsidiary of Houston Electric
BTA	Build Transfer Agreement
Capital Dynamics	Capital Dynamics, Inc., a Delaware corporation
CARES Act	Coronavirus Aid, Relief, and Economic Security Act
CCR	Coal Combustion Residuals
CECA	Clean Energy Cost Adjustment
CEIP	CenterPoint Energy Intrastate Pipelines, LLC, a wholly-owned subsidiary of CERC Corp.
CenterPoint Energy	CenterPoint Energy, Inc., and its subsidiaries
CERC Corp.	CenterPoint Energy Resources Corp.
CERC	CERC Corp., together with its subsidiaries
CERCLA	Comprehensive Environmental Response, Compensation and Liability Act of 1980, as amended
CES	CenterPoint Energy Services, Inc. (now known as Symmetry Energy Solutions, LLC), previously a wholly-owned subsidiary of CERC Corp. until its divestiture on June 1, 2020
Charter Common	Charter Communications, Inc. common stock
CIP	Conservation Improvement Program
CNG	Compressed natural gas
CNP Midstream	CenterPoint Energy Midstream, Inc., a wholly-owned subsidiary of CenterPoint Energy
Code	The Internal Revenue Code of 1986, as amended
CODM	Chief Operating Decision Maker, who is each Registrant’s Chief Operating Executive
Common Stock	CenterPoint Energy, Inc. common stock, par value $0.01 per share
Compensation Committee	Compensation Committee of the Board of Directors of CenterPoint Energy
COVID-19	Novel coronavirus disease 2019, and any mutations or variants thereof, and related global outbreak that was subsequently declared a pandemic by the World Health Organization
COVID-19 ERP	COVID-19 Electricity Relief Program
CPP	Clean Power Plan
CSIA	Compliance and System Improvement Adjustment
DCRF	Distribution Cost Recovery Factor

ii

GLOSSARY
DOT	U.S. Department of Transportation
DRR	Distribution Replacement Rider
DSMA	Demand Side Management Adjustment
Dth	Dekatherms
EBITDA	Earnings before income taxes, depreciation and amortization
ECA	Environmental Cost Adjustment
EDF Renewables	EDF Renewables Development, Inc.
EDIT	Excess deferred income taxes
EECR	Energy Efficiency Cost Recovery
EECRF	Energy Efficiency Cost Recovery Factor
EEFC	Energy Efficiency Funding Component
EEFR	Energy Efficiency Funding Rider
ELG	Effluent Limitation Guidelines
Elk GP Merger Sub	Elk GP Merger Sub LLC, a Delaware limited liability company and a direct wholly-owned subsidiary of Energy Transfer
Elk Merger Sub	Elk Merger Sub LLC, a Delaware limited liability company and a direct wholly-owned subsidiary of Energy Transfer
Enable	Enable Midstream Partners, LP
Enable Common Units	Enable common units, representing limited partnership interests in Enable
Enable GP	Enable GP, LLC, a Delaware limited liability company and the general partner of Enable
Enable Merger	The merger of Elk Merger Sub with and into Enable and the merger of Elk GP Merger Sub with and into Enable GP, in each case on the terms and subject to the conditions set forth in the Enable Merger Agreement, with Enable and Enable GP surviving as wholly-owned subsidiaries of Energy Transfer, which closed on December 2, 2021
Enable Merger Agreement	Agreement and Plan of Merger by and among Energy Transfer, Elk Merger Sub, Elk GP Merger Sub, Enable, Enable GP and, solely for the purposes of Section 2.1(a)(i) therein, Energy Transfer GP, and solely for the purposes of Section 1.1(b)(i) therein, CenterPoint Energy
Enable Series A Preferred Units	Enable’s 10% Series A Fixed-to-Floating Non-Cumulative Redeemable Perpetual Preferred Units, representing limited partner interests in Enable
Energy Services	Offered competitive variable and fixed-priced physical natural gas supplies primarily to commercial and industrial customers and electric and natural gas utilities through CES and CEIP
Energy Services Disposal Group	Substantially all of the businesses within CenterPoint Energy’s and CERC’s Energy Services reporting unit that were sold under the Equity Purchase Agreement
Energy Systems Group	Energy Systems Group, LLC, a wholly-owned subsidiary of Vectren
Energy Transfer	Energy Transfer LP, a Delaware limited partnership
Energy Transfer Common Units	Energy Transfer common units, representing limited partner interests in Energy Transfer
Energy Transfer GP	LE GP, LLC, a Delaware limited liability company and sole general partner of Energy Transfer
Energy Transfer Series G Preferred Units	Energy Transfer Series G Fixed-Rate Reset Cumulative Redeemable Perpetual Preferred Units, representing limited partner interests in Energy Transfer
EPA	Environmental Protection Agency
Equity Purchase Agreement	Equity Purchase Agreement, dated as of February 24, 2020, by and between CERC Corp. and Symmetry Energy Solutions Acquisition (f/k/a Athena Energy Services Buyer, LLC)
ERCOT	Electric Reliability Council of Texas
ERCOT ISO	ERCOT Independent System Operator
ERISA	Employee Retirement Income Security Act of 1974
ERO	Electric Reliability Organization
ESPC	Energy Savings Performance Contracting
FAC	Fuel Adjustment Clause
February 2021 Winter Storm Event	The extreme and unprecedented winter weather event in February 2021 resulting in electricity generation supply shortages, including in Texas, and natural gas supply shortages and increased wholesale prices of natural gas in the United States, primarily due to prolonged freezing temperatures.
FERC	Federal Energy Regulatory Commission

iii

GLOSSARY
First Amendment	First Amendment to the Change in Control Plan, effective March 1, 2021
Fitch	Fitch Ratings, Inc.
Form 10-K	Annual Report on Form 10-K
Forward Sale Agreement	Contingent forward sale agreement for 50 million Energy Transfer Common Units, dated September 21, 2021, by and between CNP Midstream and an investment banking financial institution
FPA	Federal Power Act
FRP	Formula Rate Plan
GHG	Greenhouse gases
GRIP	Gas Reliability Infrastructure Program
GWh	Gigawatt-hours
HLPSA	Hazardous Liquid Pipeline Safety Act of 1979
Houston Electric	CenterPoint Energy Houston Electric, LLC and its subsidiaries
HVAC	Heating, ventilation and air conditioning
IBEW	International Brotherhood of Electrical Workers
ICPA	Inter-Company Power Agreement
IDEM	Indiana Department of Environmental Management
Indiana Electric	Operations of SIGECO’s electric transmission and distribution services, and includes its power generating and wholesale power operations
Indiana Gas	Indiana Gas Company, Inc., a wholly-owned subsidiary of Vectren
Indiana North	Gas operations of Indiana Gas
Indiana South	Gas operations of SIGECO
Indiana Utilities	Indiana Electric, Indiana North and Indiana South, collectively
Infrastructure Services	Provided underground pipeline construction and repair services through VISCO and its wholly-owned subsidiaries, Miller Pipeline, LLC and Minnesota Limited, LLC
Infrastructure Services Disposal Group	Businesses within the Infrastructure Services reporting unit that were sold under the Securities Purchase Agreement
Internal Spin	CERC’s contribution of its equity investment in Enable to CNP Midstream (detailed in Note 11 to the consolidated financial statements)
IRP	Integrated Resource Plan
IRS	Internal Revenue Service
IURC	Indiana Utility Regulatory Commission
kV	Kilovolt
LDC	Local Distribution Company
LIBOR	London Interbank Offered Rate
LNG	Liquefied natural gas
Load Shed	Curtailing the amount of electricity a TDU can transmit and distribute to its customers
LPSC	Louisiana Public Service Commission
LTIPs	Long-term incentive plans
MCRA	MISO Cost and Revenue Adjustment
Merger	The merger of Merger Sub with and into Vectren on the terms and subject to the conditions set forth in the Merger Agreement, with Vectren continuing as the surviving corporation and as a wholly-owned subsidiary of CenterPoint Energy, Inc., which closed on the Merger Date
Merger Agreement	Agreement and Plan of Merger, dated as of April 21, 2018, among CenterPoint Energy, Vectren and Merger Sub
Merger Date	February 1, 2019
Merger Sub	Pacer Merger Sub, Inc., an Indiana corporation and wholly-owned subsidiary of CenterPoint Energy
MES	CenterPoint Energy Mobile Energy Solutions, Inc. (now known as Mobile Energy Solutions, Inc.), previously a wholly-owned subsidiary of CERC Corp.
MGP	Manufactured gas plant
MISO	Midcontinent Independent System Operator

iv

GLOSSARY
MLP	Master Limited Partnership
MMcf	Million cubic feet
Moody’s	Moody’s Investors Service, Inc.
MPSC	Mississippi Public Service Commission
MPUC	Minnesota Public Utilities Commission
Mva	Megavolt amperes
MW	Megawatts
Natural Gas	Natural gas distribution businesses
NECA	National Electrical Contractors Association
NERC	North American Electric Reliability Corporation
NGA	Natural Gas Act of 1938
NGLs	Natural gas liquids
NGPA	Natural Gas Policy Act of 1978
NGPSA	Natural Gas Pipeline Safety Act of 1968
NOLs	Net operating losses
NRG	NRG Energy, Inc.
NYSE	New York Stock Exchange
OCC	Oklahoma Corporation Commission
OGE	OGE Energy Corp.
OPEIU	Office & Professional Employees International Union
OVEC	Ohio Valley Electric Corporation
PBRC	Performance Based Rate Change
PHMSA	Pipeline and Hazardous Materials Safety Administration
Pipes Act	Protecting Our Infrastructure of Pipelines and Enhancing Safety Act of 2020
Posey Solar	Posey Solar, LLC, a Delaware limited liability company
PowerTeam Services	PowerTeam Services, LLC, a Delaware limited liability company, now known as Artera Services, LLC
PPA	Power purchase agreement
PRPs	Potentially responsible parties
PUCO	Public Utilities Commission of Ohio
PUCT	Public Utility Commission of Texas
Railroad Commission	Railroad Commission of Texas
RCRA	Resource Conservation and Recovery Act of 1976
RCRA Mechanism	Reliability Cost and Revenue Adjustment mechanism
READY	CenterPoint Energy’s serious injury and fatality prevention model. READY stands for Recognize, Evaluate, Anticipate, Define, Yes
Registrants	CenterPoint Energy, Houston Electric and CERC, collectively
Reliant Energy	Reliant Energy, Incorporated
REP	Retail electric provider
Restoration Bond Company	CenterPoint Energy Restoration Bond Company, LLC, a wholly-owned subsidiary of Houston Electric
ROE	Return on equity
ROU	Right of use
RRA	Rate Regulation Adjustment
RSP	Rate Stabilization Plan
Scope 1 emissions	Direct source of emissions from a company’s operations
Scope 2 emissions	Indirect source of emissions from a company’s energy usage
Scope 3 emissions	Indirect source of emissions from a company’s end-users
SEC	Securities and Exchange Commission

v

GLOSSARY
Securities Purchase Agreement	Securities Purchase Agreement, dated as of February 3, 2020, by and among VUSI, PowerTeam Services and, solely for purposes of Section 10.17 of the Securities Purchase Agreement, Vectren
Securitization Bonds	Transition and system restoration bonds
Series A Preferred Stock	CenterPoint Energy’s Series A Fixed-to-Floating Rate Cumulative Redeemable Perpetual Preferred Stock, par value $0.01 per share, with a liquidation preference of $1,000 per share
Series B Preferred Stock	CenterPoint Energy’s 7.00% Series B Mandatory Convertible Preferred Stock, par value $0.01 per share, with a liquidation preference of $1,000 per share
Series C Preferred Stock	CenterPoint Energy’s Series C Mandatory Convertible Preferred Stock, par value $0.01 per share, with a liquidation preference of $1,000 per share
SIGECO	Southern Indiana Gas and Electric Company, a wholly-owned subsidiary of Vectren
SOFR	Secured Overnight Financing Rate
S&P	S&P Global Ratings, a division of S&P Global Inc.
SRC	Sales Reconciliation Component
Symmetry Energy Solutions Acquisition	Symmetry Energy Solutions Acquisition, LLC, a Delaware limited liability company (f/k/a Athena Energy Services Buyer, LLC) and subsidiary of Energy Capital Partners, LLC
TBD	To be determined
TCJA	Tax reform legislation informally called the Tax Cuts and Jobs Act of 2017
TCOS	Transmission Cost of Service
TCRF	Transmission Cost Recovery Factor
TDSIC	Transmission, Distribution and Storage System Improvement Charge
TDU	Transmission and distribution utility
Tenaska	Tenaska Wind Holdings, LLC
Texas RE	Texas Reliability Entity
TOB	Tariffed On Bill
TSA	Transportation Security Administration
UESC	Utility Energy Services Contract
USW	United Steelworkers Union
Utility Holding	Utility Holding, LLC, a wholly-owned subsidiary of CenterPoint Energy
VCC	Vectren Capital Corp., a wholly-owned subsidiary of Vectren
Vectren	Vectren Corporation, a wholly-owned subsidiary of CenterPoint Energy as of the Merger Date
VEDO	Vectren Energy Delivery of Ohio, Inc., a wholly-owned subsidiary of Vectren
VIE	Variable interest entity
VISCO	Vectren Infrastructure Services Corporation, formerly a wholly-owned subsidiary of Vectren
Vistra Energy Corp.	Texas-based energy company focused on the competitive energy and power generation markets, whose major subsidiaries include Luminant and TXU Energy
VRP	Voluntary Remediation Program
VUHI	Vectren Utility Holdings, Inc., a wholly-owned subsidiary of Vectren
VUSI	Vectren Utility Services, Inc., a wholly-owned subsidiary of Vectren
ZENS	2.0% Zero-Premium Exchangeable Subordinated Notes due 2029
ZENS-Related Securities	As of both December 31, 2021 and 2020, consisted of AT&T Common and Charter Common
2020 Form 10-K	Annual Report on Form 10-K for the fiscal year ended December 31, 2020

vi

 CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING INFORMATION

From time to time the Registrants make statements concerning their expectations, beliefs, plans, objectives, goals, strategies, future events or performance and underlying assumptions and other statements that are not historical facts. These statements are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Actual results may differ materially from those expressed or implied by these statements. You can generally identify forward-looking statements by the words “anticipate,” “believe,” “continue,” “could,” “estimate,” “expect,” “forecast,” “goal,” “intend,” “may,” “objective,” “plan,” “potential,” “predict,” “projection,” “should,” “target,” “will” or other similar words.

The Registrants have based their forward-looking statements on management’s beliefs and assumptions based on information reasonably available to management at the time the statements are made. The Registrants caution you that assumptions, beliefs, expectations, intentions and projections about future events may and often do vary materially from actual results. Therefore, the Registrants cannot assure you that actual results will not differ materially from those expressed or implied by the Registrants’ forward-looking statements. In this Form 10-K, unless context requires otherwise, the terms “our,” “we” and “us” are used as abbreviated references to CenterPoint Energy, Inc. together with its consolidated subsidiaries, including Houston Electric, CERC and Vectren.

Some of the factors that could cause actual results to differ from those expressed or implied by the Registrants’ forward-looking statements are described under “Risk Factors” in Item 1A and “Management’s Discussion and Analysis of Financial Condition and Results of Operations — Certain Factors Affecting Future Earnings” and “ — Liquidity and Capital Resources — Other Matters — Other Factors That Could Affect Cash Requirements” in Item 7 of this report, which discussions are incorporated herein by reference.

You should not place undue reliance on forward-looking statements. Each forward-looking statement speaks only as of the date of the particular statement, and the Registrants undertake no obligation to update or revise any forward-looking statements.

SUMMARY OF RISK FACTORS

An investment in CenterPoint Energy’s securities involves a significant degree of risk. Below is a summary of certain risk factors to consider in evaluating CenterPoint Energy as well as its Common Stock and preferred stock. However, this list is not exhaustive. Before investing in CenterPoint Energy, carefully consider the risk factors discussed or referenced below and in Item 1A. “Risk Factors” of this combined report on Form 10-K. If any of the risks discussed below and in Item 1A. “Risk Factors” were actually to occur, CenterPoint Energy’s, Houston Electric’s and CERC’s business, financial condition, results of operations or cash flows could be materially adversely affected. In that case, CenterPoint Energy might not be able to pay dividends on its Common Stock or preferred stock, or the trading price of its Common Stock or preferred stock could decline.

Risk Factors Associated with Our Consolidated Financial Condition

•If we are unable to arrange future financings on acceptable terms, our ability to finance our capital expenditures or refinance outstanding indebtedness could be limited.

•If CenterPoint Energy redeems the ZENS prior to their maturity in 2029, its ultimate tax liability and redemption payments would result in significant cash payments, which would adversely impact its cash flows. Similarly, a significant amount of exchanges of ZENS by ZENS holders could adversely impact CenterPoint Energy’s cash flows.

•Dividend requirements associated with CenterPoint Energy’s Series A Preferred Stock subject it to certain risks.

Risk Factors Affecting Electric Generation, Transmission and Distribution Businesses (CenterPoint Energy and Houston Electric)

•Rate regulation of Houston Electric’s and Indiana Electric’s businesses may delay or deny their ability to earn an expected return and fully recover their costs.

•Disruptions at power generation facilities owned by third parties or directives issued by regulatory authorities could cause interruptions in Houston Electric’s and Indiana Electric’s ability to provide transmission and distribution services and adversely affect their reputation, financial condition, results of operations and cash flows.

•Indiana Electric’s execution of its generation transition plan, including its IRP, are subject to various risks, including timely recovery of capital investments and increased costs and risks related to the timing and cost of development and/or construction of new generation facilities.

•Houston Electric and Indiana Electric, as a member of ERCOT and MISO, respectively, could be subject to higher costs for system improvements, as well as fines or other sanctions as a result of FERC mandatory reliability standards.

vii

•Houston Electric’s receivables are primarily concentrated in a small number of REPs, and any delay or default in such payments could adversely affect Houston Electric’s financial condition, results of operations and cash flows.

•In connection with the February 2021 Winter Storm Event, there have been calls for reform of the Texas electric market, some measure of which, if implemented, could have material adverse impacts on Houston Electric.

•Houston Electric’s use of temporary mobile generation resources is subject to various risks, including related to failure to obtain and deploy sufficient mobile generation units, potential performance issues and allegations about Houston Electric’s deployment of the resources (including the planning, execution and effectiveness of the same), regulatory and environmental requirements, and timely recovery of capital.

Risk Factors Affecting Natural Gas’ Business (CenterPoint Energy and CERC)

•Rate regulation of Natural Gas may delay or deny its ability to earn an expected return and fully recover its costs.

•Access to natural gas supplies and pipeline transmission and storage capacity are essential components of reliable service for Natural Gas’ customers.

•Natural Gas is subject to fluctuations in notional natural gas prices, which could affect the ability of its suppliers and customers to meet their obligations or may impact our operations, which could adversely affect CERC’s financial condition, results of operations and cash flows.

•A decline in CERC’s credit rating could result in CERC having to provide collateral under its shipping arrangements or to purchase natural gas, which consequently would increase its cash requirements and adversely affect its financial condition.

•Natural Gas must compete with alternate energy sources, which could result in less natural gas delivered and have an adverse impact on CERC’s financial condition, results of operations and cash flows.

Risk Factors Affecting Energy Systems Group’s Business (CenterPoint Energy)

•Energy Systems Group’s business has performance and warranty obligations, some of which are guaranteed by CenterPoint Energy.

Risk Factors Affecting Our Businesses

•We are subject to operational and financial risks and liabilities arising from environmental laws and regulations, including regulation of CCR and climate change legislation. We could also experience reduced demand for our services, including certain local initiatives to prohibit new natural gas service and increase electrification initiatives.

•CenterPoint Energy is subject to operational and financial risks and liabilities associated with implementation of and efforts to achieve its carbon emission reduction goals.

•Continued disruptions to the global supply chain may lead to higher prices for goods and services and impact our operations which could have a material adverse impact on our ability to execute our capital plan and on our financial condition, results of operations and cash flows.

•Our revenues and results of operations are seasonal.

•Climate change could adversely impact financial results from our businesses and result in more frequent and more severe weather events that could adversely affect our results of operations.

•Aging infrastructure may lead to increased costs and disruptions in operations that could negatively impact our financial results.

•Our businesses will continue to have to adapt to technological change and may not be successful or may have to incur significant expenditures to adapt to technological change.

•We are exposed to risks related to reduction in energy consumption due to factors such as changes in customers’ perceptions from incidents of other utilities involving natural gas pipelines.

General Risk Factors Affecting Our Businesses

•Cyberattacks, physical security breaches, acts of terrorism or other disruptions could adversely impact our reputation, financial condition, results of operations and cash flows.

•We face risks related to COVID-19 and other health epidemics and outbreaks, including economic, regulatory, legal, workforce and cyber security risks, which could adversely impact our financial condition, results of operations, cash flows and liquidity.

viii

PART I

Item 1.Business

This combined Form 10-K is filed separately by three registrants: CenterPoint Energy, Inc., CenterPoint Energy Houston Electric, LLC and CenterPoint Energy Resources Corp. Information contained herein relating to any individual registrant is filed by such registrant solely on its own behalf. Each registrant makes no representation as to information relating exclusively to the other registrants. Except as discussed in Note 14 to the consolidated financial statements, no registrant has an obligation in respect of any other registrant’s debt securities, and holders of such debt securities should not consider the financial resources or results of operations of any registrant other than the obligor in making a decision with respect to such securities.

The discussion of CenterPoint Energy’s consolidated financial information includes the financial results of Houston Electric and CERC, which, along with CenterPoint Energy, are collectively referred to as the Registrants. Where appropriate, information relating to a specific registrant has been segregated and labeled as such. Unless the context indicates otherwise, specific references to Houston Electric and CERC also pertain to CenterPoint Energy. In this Form 10-K, the terms “our,” “we” and “us” are used as abbreviated references to CenterPoint Energy, Inc. together with its consolidated subsidiaries.

OUR BUSINESS

Overview

CenterPoint Energy is a public utility holding company. CenterPoint Energy’s operating subsidiaries own and operate electric transmission, distribution and generation facilities and natural gas distribution facilities and provide energy performance contracting and sustainable infrastructure services.

Houston Electric is an indirect, wholly-owned subsidiary of CenterPoint Energy that provides electric transmission service to transmission service customers in the ERCOT region and distribution service to REPs serving the Texas gulf coast area that includes the city of Houston. Bond Companies are wholly-owned, bankruptcy remote entities formed solely for the purpose of purchasing and owning transition or system restoration property through the issuance of Securitization Bonds.

CERC Corp. is an indirect, wholly-owned subsidiary of CenterPoint Energy that owns and operates natural gas distribution facilities in several states, with operating subsidiaries that own and operate permanent pipeline connections through interconnects with various interstate and intrastate pipeline companies.

Vectren is an indirect, wholly-owned subsidiary of CenterPoint Energy that engages in regulated operations through three public utilities:

•Indiana Gas provides energy delivery services to natural gas customers located in central and southern Indiana;

•SIGECO provides energy delivery services to electric and natural gas customers located in and near Evansville in southwestern Indiana and owns and operates electric generation assets to serve its electric customers and optimizes those assets in the wholesale power market; and

•VEDO provides energy delivery services to natural gas customers in and near Dayton in west-central Ohio.

Vectren performs non-utility activities through Energy Systems Group, which provides energy performance contracting and sustainable infrastructure services.

As of December 31, 2021, CenterPoint Energy’s reportable segments were Electric and Natural Gas. Houston Electric and CERC each consist of one reportable segment.

Discontinued Operations. For a discussion of discontinued operations and divestitures during 2021 and 2020, see Note 4 to the consolidated financial statements.

For a discussion of net income by segment, see “Management’s Discussion and Analysis of Financial Condition and Results of Operations — Results of Operations by Reportable Segment” in Item 7 of Part II of this report. For additional information about the segments, see Note 18 to the consolidated financial statements. From time to time, we consider the acquisition or the disposition of assets or businesses.

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The Registrants’ principal executive offices are located at 1111 Louisiana, Houston, Texas 77002 (telephone number: 713-207-1111).

We make available free of charge on our Internet website our annual report on Form 10-K, quarterly reports on Form 10-Q, current reports on Form 8-K and amendments to those reports filed or furnished pursuant to Section 13(a) or 15(d) of the Securities Exchange Act of 1934 as soon as reasonably practicable after we electronically file such reports with, or furnish them to, the SEC. The SEC maintains an Internet website that contains reports, proxy and information statements, and other information regarding issuers that file electronically with the SEC at http://www.sec.gov. Additionally, we make available free of charge on our Internet website:

•our Code of Ethics for our Chief Executive Officer and Senior Financial Officers;

•our Ethics and Compliance Code;

•our Supplier Code of Conduct:

•our Corporate Governance Guidelines; and

•the charters of the audit, compensation, and governance, environmental and sustainability committees of our Board of Directors.

Any shareholder who so requests may obtain a printed copy of any of these documents from us. Changes in or waivers of our Code of Ethics for our Chief Executive Officer and Senior Financial Officers and waivers of our Ethics and Compliance Code for directors or executive officers will be posted on our Internet website within five business days of such change or waiver and maintained for at least 12 months or timely reported on Item 5.05 of Form 8-K.

Our website address is www.centerpointenergy.com. Investors should also note that we announce material financial information in SEC filings, press releases and public conference calls. Based on guidance from the SEC, we may use the investor relations section of our website to communicate with our investors. It is possible that the financial and other information posted there could be deemed to be material information. Except to the extent explicitly stated herein, documents and information on our website are not incorporated by reference herein.

Electric (CenterPoint Energy)

The Electric reportable segment is comprised of Houston Electric and Indiana Electric.

For information regarding the properties of the Electric reportable segment, please read “Properties — Electric (CenterPoint Energy and Houston Electric)” in Item 2 of this report, which information is incorporated herein by reference.

Houston Electric (CenterPoint Energy and Houston Electric)

Houston Electric is a transmission and distribution electric utility that operates wholly within the state of Texas and is a member of ERCOT. ERCOT serves as the independent system operator and regional reliability coordinator for member electric power systems in most of Texas. The ERCOT market represents approximately 90% of the demand for power in Texas and is one of the nation’s largest power markets. The ERCOT market operates under the reliability standards developed by the NERC, approved by the FERC and monitored and enforced by the Texas RE. The PUCT has primary jurisdiction over the ERCOT market to ensure the adequacy and reliability of electricity supply across the state’s main interconnected power transmission grid. Houston Electric does not make direct retail or wholesale sales of electric energy or own or operate any power generation generating facilities other than leasing facilities that provide temporary emergency electric energy to aid in restoring power to distribution customers during certain widespread power outages as allowed by a new law enacted after the February 2021 Winter Storm Event.

Electric Transmission

On behalf of REPs, Houston Electric delivers electricity from power plants to substations, from one substation to another and to retail electric customers taking power at or above 69 kV in locations throughout Houston Electric’s certificated service territory. Houston Electric constructs and maintains transmission facilities and provides transmission services under tariffs approved by the PUCT.

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The ERCOT ISO is responsible for operating the bulk electric power supply system in the ERCOT market. Houston Electric’s transmission business, along with those of other owners of transmission facilities in Texas, supports the operation of the ERCOT ISO. Houston Electric participates with the ERCOT ISO and other ERCOT utilities to plan, design, obtain regulatory approval for and construct new transmission lines necessary to increase bulk power transfer capability and to remove existing constraints on the ERCOT transmission grid.

Electric Distribution

In ERCOT, end users purchase their electricity directly from certificated REPs. Houston Electric’s distribution network receives electricity from the transmission grid through power distribution substations and delivers electricity for REPs in its certificated service area by carrying lower-voltage power from the substation to the retail electric customer through distribution feeders. Houston Electric’s operations include construction and maintenance of distribution facilities, metering services, outage response services and call center operations. Houston Electric provides distribution services under tariffs approved by the PUCT. PUCT rules and market protocols govern the commercial operations of distribution companies and other market participants. Rates for these services are established pursuant to rate proceedings conducted before municipalities that have original jurisdiction and the PUCT.

Bond Companies

Houston Electric has special purpose subsidiaries consisting of the Bond Companies, which it consolidates. These consolidated special purpose subsidiaries are wholly-owned, bankruptcy remote entities that were formed solely for the purpose of purchasing and owning transition or system restoration property through the issuance of Securitization Bonds, and conducting activities incidental thereto. The Securitization Bonds are repaid through charges imposed on customers in Houston Electric’s service territory. For further discussion of the Securitization Bonds and the outstanding balances as of December 31, 2021 and 2020, see Note 14 to the consolidated financial statements.

Customers

Houston Electric serves nearly all of the Houston/Galveston metropolitan area near the Texas gulf coast. As of December 31, 2021, Houston Electric’s customers consisted of approximately 59 REPs, which sell electricity to approximately 2.7 million metered customers in Houston Electric’s certificated service area, and municipalities, electric cooperatives and other distribution companies located outside Houston Electric’s certificated service area. Each REP is licensed by, and must meet minimum creditworthiness criteria established by, the PUCT. Houston Electric does not have long-term contracts with any of its customers. It operates using a continuous billing cycle, with meter readings being conducted and invoices being distributed to REPs each business day. For information regarding Houston Electric’s major customers, see Note 18 to the consolidated financial statements.

The table below reflects the number of metered customers in Houston Electric’s service area as of December 31, 2021:

	Residential	Commercial/ Industrial	Total Customers
Texas gulf coast	2,359,168	301,770	2,660,938

Competition

There are no other electric transmission and distribution utilities in Houston Electric’s service area. For another provider of transmission and distribution services to provide such services in Houston Electric’s territory, it would be required to obtain a certificate of convenience and necessity from the PUCT and, depending on the location of the facilities, may also be required to obtain franchises from one or more municipalities. Houston Electric is not aware of any other party intending to enter this business in its service area at this time. Distributed generation (i.e., power generation located at or near the point of consumption) could result in a reduction of demand for Houston Electric’s distribution services but has not been a significant factor to date.

Seasonality

Houston Electric’s revenues are primarily derived from rates that it collects from each REP based on the amount of electricity it delivers on behalf of that REP. Houston Electric’s revenues and results of operations are subject to seasonality, weather conditions and other changes in electricity usage, with revenues generally being higher during the warmer months when more electricity is used for cooling purposes.

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Franchises

Houston Electric holds non-exclusive franchises from certain incorporated municipalities in its service territory. In exchange for the payment of fees, these franchises give Houston Electric the right to use the streets and public rights-of-way of these municipalities to construct, operate and maintain its transmission and distribution system and to use that system to conduct its electric delivery business and for other purposes that the franchises permit. The terms of the franchises, with various expiration dates, typically range from 30 to 40 years.

Indiana Electric (CenterPoint Energy)

Indiana Electric consists of SIGECO’s electric transmission and distribution services, including its power generating and wholesale power operations. As of December 31, 2021, Indiana Electric supplied electric service to the following:

	Residential	Commercial/Industrial	Total Customers
Southwestern Indiana	131,125	19,257	150,382

System Load

Total load and the related reserve margin at the time of the system summer peak on August 26, 2021, is presented below in MW, except for reserve margin at peak.

	2021
Total load at peak	1,003
Generating capability	1,217
Purchase supply (effective capacity)	38
Interruptible contracts & direct load control	36
Total power supply capacity	1,291
Reserve margin at peak	29	%

The winter peak load for the 2020-2021 season of approximately 742 MW occurred on February 15, 2021. 

Solar

Indiana Electric’s most recently completed 50 MW solar array, which was approved by the IURC in 2018, was placed into service in early 2021 and consists of approximately 150,000 solar panels distributed across 300 acres along Indiana State Road 545 between Troy and New Boston, Indiana. Indiana Electric entered into a BTA with a subsidiary of Capital Dynamics to build a 300 MW solar array in Posey County, Indiana. Indiana Electric received approval from the IURC on October 27, 2021. Subsequently, due to the rising costs for the project, caused in part by supply chain issues in the energy industry and the rising costs of commodities, we, along with Capital Dynamics, recently announced plans to downsize the project to approximately 200 MW. Indiana Electric collaboratively agreed to the scope change and is currently working through contract negotiations, contingent on further IURC review and approval. Indiana Electric also received approval to purchase 100 MW of solar power in Warrick County, Indiana, under a 25-year PPA, with the related solar array expected to be completed in late 2023. Commercial operation is currently projected to begin in 2024.

Coal Purchases

Coal for coal-fired generating stations has been supplied from operators of nearby coal mines as there are substantial coal reserves in the southern Indiana area. Approximately 2.2 million tons were purchased for generating electricity during 2021. Indiana Electric’s coal inventory was approximately 246,000 tons as of December 31, 2021. The average cost of coal per ton purchased and delivered in 2021 was $52.02. Since August 2014, Indiana Electric has purchased substantially all of its coal from Sunrise Coal, LLC.

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Firm Purchase Supply

As part of its power portfolio, Indiana Electric is a 1.5% shareholder in the OVEC, and based on its participation in the ICPA between OVEC and its shareholder companies, many of whom are regulated electric utilities, Indiana Electric has the right to 1.5% of OVEC’s generating capacity output, which, as of December 31, 2021, was approximately 32 MW. Per the ICPA, Indiana Electric is charged demand charges which are based on OVEC’s operating expenses, including its financing costs. Those demand charges are available to pass through to customers under Indiana Electric’s fuel adjustment clause. Under the ICPA, and while OVEC’s plants are operating, Indiana Electric is severally responsible for its share of OVEC’s debt obligations. Based on OVEC’s current financing, as of September 30, 2021, Indiana Electric’s 1.5% share of OVEC’s debt obligation equates to between $17 million and $20 million, depending on revolving capacity commitments. Moody’s rates OVEC one notch below investment grade, with a positive outlook. Fitch rates OVEC BBB- with a stable outlook. S&P Global withdrew its ratings on January 9, 2020 at OVEC’s request. In 2021, Indiana Electric purchased approximately 134 GWh from OVEC. If a default were to occur by a member, any reallocation of the existing debt requires consent of the remaining ICPA participants. If any such reallocation were to occur, Indiana Electric would expect to recover any related costs through the fuel adjustment clause, as it does currently for its 1.5% share.

In April 2008, Indiana Electric executed a capacity contract with Benton County Wind Farm, LLC to purchase as much as 30 MW from a wind farm located in Benton County, Indiana, with IURC approval. The contract expires in 2029. Indiana Electric purchased approximately 77 GWh under this contract in 2021. In December 2009, Indiana Electric executed a 20-year power purchase agreement with Fowler Ridge II Wind Farm, LLC to purchase as much as 50 MW of energy from a wind farm located in Benton and Tippecanoe Counties in Indiana, with the approval of the IURC. Indiana Electric purchased approximately 129 GWh under this contract in 2021. In total, wind resources provided approximately 3% of total GWh sourced in 2021.

MISO Related Activity

Indiana Electric is a member of the MISO, a FERC approved regional transmission organization. The MISO serves the electric transmission needs of much of the Midcontinent region and maintains operational control over Indiana Electric’s electric transmission facilities as well as other utilities in the region. Indiana Electric is an active participant in the MISO energy markets, where it bids its generation into the Day Ahead and Real Time markets and procures power for its retail customers at Locational Marginal Price as determined by the MISO market. MISO-related purchase and sale transactions are recorded using settlement information provided by the MISO. These purchase and sale transactions are accounted for on at least a net hourly position. During 2021, in intervals when purchases from the MISO were in excess of generation sold to the MISO, the net purchases were 83 GWh. During the year ended December 31, 2021, in intervals when sales to the MISO were in excess of purchases from the MISO, the net sales were 1,457 GWh.

Interconnections

As of December 31, 2021, Indiana Electric had interconnections with Louisville Gas and Electric Company, Duke Energy Shared Services, Inc., Indianapolis Power & Light Company, Hoosier Energy Rural Electric Cooperative, Inc. and Big Rivers Electric Corporation providing the ability to simultaneously interchange approximately 750 MW during peak load periods. Indiana Electric, as required as a member of the MISO, has turned over operational control of the interchange facilities and its own transmission assets to the MISO. Indiana Electric, in conjunction with the MISO, must operate the bulk electric transmission system in accordance with NERC Reliability Standards. As a result, interchange capability varies based on regional transmission system configuration, generation dispatch, seasonal facility ratings and other factors. Indiana Electric is in compliance with reliability standards promulgated by the NERC.

Competition

There are no other electric transmission and distribution utilities in Indiana Electric’s service area. Indiana Electric is a vertically integrated utility that owns the generation, transmission, and distribution components of a utility.

For another provider of transmission and distribution services to provide such services in Indiana Electric’s territory, it would be required to obtain IURC approval of such service territory. Indiana service territory certificates are exclusive. Distributed generation (i.e., power generation located at or near the point of consumption) could result in reduced demand for Indiana Electric’s distribution services but has not been a significant factor to date.

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Seasonality

Indiana Electric’s revenues are primarily derived from rates that it collects from customers in its service territory based on the amount of electricity it delivers. Indiana Electric’s revenues and results of operations are subject to seasonality, weather conditions and other changes in electricity usage, with revenues generally being higher during the warmer months when more electricity is used for cooling purposes, and during the cooler months when more electricity is used for heating purposes.

Natural Gas (CenterPoint Energy and CERC)

CenterPoint Energy’s and CERC’s Natural Gas engage in regulated intrastate natural gas sales and natural gas transportation and storage for residential, commercial, industrial and transportation customers. See the detail of customers by state below. CenterPoint Energy’s and CERC’s Natural Gas provide permanent pipeline connections through interconnects with various interstate and intrastate pipeline companies through CEIP. CenterPoint Energy’s and CERC’s Natural Gas also provided services in Minnesota consisting of residential appliance repair and maintenance services along with HVAC equipment sales and home repair protection plans to natural gas customers in Arkansas, Indiana, Mississippi, Ohio, Oklahoma and Texas through a third party as of December 31, 2021.

Upon consummation of the Merger, CenterPoint Energy added the legacy natural gas utility services of Vectren, which includes the natural gas utility operations of Indiana Gas, SIGECO and VEDO and provides natural gas distribution and transportation services to nearly two-thirds of Indiana and west central Ohio. The Indiana and Ohio service areas contain diversified manufacturing and agriculture-related enterprises.

For information regarding the properties of the Natural Gas reportable segment, please read “Properties — Natural Gas (CenterPoint Energy and CERC)” in Item 2 of this report, which information is incorporated herein by reference.

Customers

In 2021, approximately 36% and 40% of CenterPoint Energy’s and CERC’s Natural Gas total throughput was to residential customers and approximately 64% and 60% was to commercial and industrial and transportation customers, respectively.

The table below reflects the number of CenterPoint Energy’s and CERC’s Natural Gas customers by state as of December 31, 2021:

	Residential	Commercial/ Industrial/Transportation	Total Customers
Arkansas	376,934	47,663	424,597
Louisiana	230,362	16,183	246,545
Minnesota	829,869	71,679	901,548
Mississippi	120,993	13,029	134,022
Oklahoma	88,787	10,655	99,442
Texas	1,736,874	105,634	1,842,508
Total CERC Natural Gas	3,383,819	264,843	3,648,662
Indiana	683,412	65,234	748,646
Ohio	305,197	24,525	329,722
Total CenterPoint Energy Natural Gas	4,372,428	354,602	4,727,030

The largest metropolitan areas served in each state were Houston, Texas; Minneapolis, Minnesota; Little Rock, Arkansas; Shreveport, Louisiana; Biloxi, Mississippi; Lawton, Oklahoma; Evansville, Indiana; and Dayton, Ohio.

Seasonality

The demand for natural gas sales to residential customers and natural gas sales and transportation for commercial and industrial customers is seasonal and affected by variations in weather conditions. In 2021, approximately 68% of CenterPoint

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Energy’s Natural Gas total throughput and 68% of CERC’s Natural Gas total throughput occurred in the first and fourth quarters. These patterns reflect the higher demand for natural gas for heating purposes during the colder months.

Supply and Transportation.  In 2021, CenterPoint Energy’s Natural Gas purchased virtually all of its natural gas supply pursuant to contracts with remaining terms varying from a few months to three-year terms. Major suppliers are those that account for greater than 10% of CenterPoint Energy’s or CERC’s annual natural gas supply purchases. In 2021, CenterPoint Energy and CERC purchased 42% and 43%, respectively, of their natural gas supply from three major suppliers. For CenterPoint Energy, the suppliers were Macquarie Energy, LLC (18%), Tenaska Marketing Ventures, LLC (13%) and BP Energy Company/BP Canada Energy Marketing (11%). For CERC, the suppliers were Macquarie Energy, LLC (23%), BP Energy Company/BP Canada Energy Marketing (10%) and Spire Marketing, Inc. (10%). Numerous other suppliers provided the remainder of CenterPoint Energy’s and CERC’s natural gas supply requirements.

CenterPoint Energy’s and CERC’s Natural Gas transports their natural gas supplies through various intrastate and interstate pipelines under contracts with remaining terms, including extensions, varying from one to fifteen years. CenterPoint Energy’s and CERC’s Natural Gas anticipates that these gas supply and transportation contracts will be renewed or replaced prior to their expiration.

CenterPoint Energy’s and CERC’s Natural Gas actively engage in commodity price stabilization pursuant to annual gas supply plans presented to and/or filed with each of its state regulatory authorities. These price stabilization activities include use of storage gas and contractually establishing structured prices (e.g., fixed price, costless collars and caps) with CenterPoint Energy’s and CERC’s Natural Gas’ physical gas suppliers. Their gas supply plans generally call for 50–75% of normal winter supplies to be stabilized in some fashion.

The regulations of the states in which CenterPoint Energy’s and CERC’s Natural Gas operate allow them to pass through changes in the cost of natural gas, including savings and costs of financial derivatives associated with the index-priced physical supply, to their customers under purchased gas adjustment provisions in their tariffs. Depending upon the jurisdiction, the purchased gas adjustment factors are updated periodically, ranging from monthly to semi-annually. The changes in the cost of gas billed to customers are subject to review by the applicable regulatory bodies.

CenterPoint Energy’s and CERC’s Natural Gas use various third-party storage services or owned natural gas storage facilities to meet peak-day requirements and to manage the daily changes in demand due to changes in weather. CenterPoint Energy’s and CERC’s Natural Gas may also supplement contracted supplies and storage from time to time with stored LNG and propane-air plant production.

As of December 31, 2021, CenterPoint Energy’s and CERC’s Natural Gas owned and operated the following natural gas facilities:

	No. of Assets	Storage Capacity (Bcf)	Working Capacity (Bcf)	Maximum Daily Withdrawal Rate (MMcf)
CenterPoint Energy
Underground Natural Gas Storage Facility	9	43.6	14.2	337
CERC
Underground Natural Gas Storage Facility	1	7.0	2.0	50

			On-site Storage Capacity
	No. of Assets	Daily Production Rate (Dth)	Millions of Gallons	Dth
CenterPoint Energy
Propane Air-Gas Manufacturing Plant	15	258,000	13.9	1,277,000
LNG Plant Facility	1	72,000	12.0	1,000,000
CERC
Propane Air-Gas Manufacturing Plant	12	225,000	12.4	1,140,000
LNG Plant Facility	1	72,000	12.0	1,000,000

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The table below reflects CenterPoint Energy’s and CERC’s Natural Gas contracted upstream storage services as of December 31, 2021:

	Storage Capacity (Bcf)	Maximum Peak Daily Delivery (MMcf)
CenterPoint Energy
Upstream Storage Service	115	2,744
CERC
Upstream Storage Service	92	2,298

On an ongoing basis, CenterPoint Energy’s and CERC’s Natural Gas enter into contracts to provide sufficient supplies and pipeline capacity to meet their customer requirements. However, it is possible for limited service disruptions to occur from time to time due to weather conditions, transportation constraints and other events. As a result of these factors, supplies of natural gas may become unavailable from time to time, or prices may increase rapidly in response to temporary supply constraints or other factors.

Upon expiration of the AMAs with the Energy Services Disposal Group discussed in Note 4 to the consolidated financial statements, CenterPoint Energy’s and CERC’s Natural Gas businesses entered into new third-party AMAs beginning in April 2021 associated with their utility distribution service in Arkansas, Indiana, Louisiana, Mississippi, Oklahoma and Texas. Additionally, CenterPoint Energy’s and CERC’s Natural Gas business in Minnesota entered into a third-party AMA beginning in February 2021. The AMAs have varying terms, the longest of which expires in 2027. Pursuant to the provisions of the agreements, CenterPoint Energy’s and CERC’s Natural Gas either sells natural gas to the asset manager and agrees to repurchase an equivalent amount of natural gas throughout the year at the same cost, or simply purchases its full natural gas requirements at each delivery point from the asset manager. Generally, AMAs are contracts between CenterPoint Energy’s and CERC’s Natural Gas and an asset manager that are intended to transfer the working capital obligation and maximize the utilization of the assets. In these agreements, CenterPoint Energy’s and CERC’s Natural Gas agrees to release transportation and storage capacity to other parties to manage natural gas storage, supply and delivery arrangements for CenterPoint Energy’s and CERC’s Natural Gas and to use the released capacity for other purposes when it is not needed for CenterPoint Energy’s and CERC’s Natural Gas. CenterPoint Energy’s and CERC’s Natural Gas may receive compensation from the asset manager through payments made over the life of the AMAs. CenterPoint Energy’s and CERC’s Natural Gas has an obligation to purchase their winter storage requirements that have been released to the asset manager under these AMAs. For amounts outstanding under these AMAs, see Notes 4 and 14 to the consolidated financial statements.

Competition

CenterPoint Energy’s and CERC’s Natural Gas competes primarily with alternate energy sources such as electricity and other fuel sources. In some areas, intrastate pipelines, other gas distributors and marketers also compete directly for gas sales to end users. In addition, as a result of federal regulations affecting interstate pipelines, natural gas marketers operating on these pipelines may be able to bypass CenterPoint Energy’s and CERC’s Natural Gas’ facilities and market, sell and/or transport natural gas directly to commercial and industrial customers.

Corporate and Other (CenterPoint Energy)

CenterPoint Energy’s Corporate and Other consists of energy performance contracting and sustainable infrastructure services, such as renewables, distributed generation and combined heat and power projects, through Energy Systems Group, and other corporate support operations that support CenterPoint Energy’s business operations. CenterPoint Energy’s Corporate and Other also includes office buildings and other real estate used for business operations.

REGULATION

The Registrants are subject to regulation by various federal, state and local governmental agencies, including the regulations described below. The following discussion is based on regulation in the Registrants’ businesses as of December 31, 2021.

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Federal Energy Regulatory Commission

The FERC has jurisdiction under the NGA and the NGPA, as amended, to regulate the transportation of natural gas in interstate commerce and natural gas sales for resale in interstate commerce that are not first sales. The FERC regulates, among other things, the construction of pipeline and related facilities used in the transportation and storage of natural gas in interstate commerce, including the extension, expansion or abandonment of these facilities. The FERC also regulates the transmission and wholesale sales of electricity in interstate commerce, mergers, acquisitions and corporate transactions by electricity companies, energy markets, reliability standards and the issuance of short-term debt by public utilities regulated by FERC. The FERC has authority to prohibit market manipulation in connection with FERC-regulated transactions, to conduct audits and investigations, and to impose significant civil penalties (up to approximately $1.4 million per day per violation, subject to periodic adjustment to account for inflation) for statutory violations and violations of the FERC’s rules or orders.

Indiana Electric is a “public utility” under the FPA and is subject to regulation by the FERC. Houston Electric is not a “public utility” under the FPA and, therefore, is not generally regulated by the FERC, although certain of its transactions are subject to limited FERC jurisdiction. The FERC has certain responsibilities with respect to ensuring the reliability of electric transmission service, including transmission facilities owned by Houston Electric and other utilities within ERCOT. The FERC has designated the NERC as the ERO to promulgate standards, under FERC oversight, for all owners, operators and users of the bulk power system. The ERO and the FERC have authority to (a) impose fines and other sanctions on applicable entities that fail to comply with approved standards and (b) audit compliance with approved standards. The FERC has approved the delegation by the NERC of authority for reliability in ERCOT to the Texas RE and in MISO to ReliabilityFirst Corporation. Neither Houston Electric nor Indiana Electric anticipate that the reliability standards proposed by the NERC and approved by the FERC will have a material adverse impact on their operations. To the extent that Houston Electric and Indiana Electric are required to make additional expenditures to comply with these standards, it is anticipated that Houston Electric and Indiana Electric will seek to recover those costs through the transmission charges that are imposed on all distribution service providers within ERCOT and the MISO, respectively, for electric transmission provided.

As a public utility holding company, under the Public Utility Holding Company Act of 2005, CenterPoint Energy and its consolidated subsidiaries are subject to reporting and accounting requirements and are required to maintain certain books and records and make them available for review by the FERC and state regulatory authorities in certain circumstances.

For a discussion of the Registrants’ ongoing regulatory proceedings, see “Management’s Discussion and Analysis of Financial Condition and Results of Operations — Liquidity and Capital Resources — Regulatory Matters” in Item 7 of Part II of this report, which discussion is incorporated herein by reference.

State and Local Regulation – Electric Transmission & Distribution (CenterPoint Energy and Houston Electric)

Houston Electric conducts its operations pursuant to a certificate of convenience and necessity issued by the PUCT that covers its present service area and facilities. The PUCT and certain municipalities have the authority to set the rates and terms of service provided by Houston Electric under cost-of-service rate regulation. Houston Electric holds non-exclusive franchises from certain incorporated municipalities in its service territory. In exchange for payment of fees, these franchises give Houston Electric the right to use the streets and public rights-of-way of these municipalities to construct, operate and maintain its transmission and distribution system and to use that system to conduct its electric delivery business and for other purposes that the franchises permit. The terms of the franchises, with various expiration dates, typically range from 30 to 40 years.

Houston Electric’s distribution rates charged to REPs for residential and small commercial customers are primarily based on amounts of energy delivered, whereas distribution rates for a majority of large commercial and industrial customers are primarily based on peak demand. All REPs in Houston Electric’s service area pay the same rates and other charges for transmission and distribution services. This regulated delivery charge may include the transmission and distribution rate (which includes municipal franchise fees), a distribution recovery mechanism for recovery of incremental distribution-invested capital above that which is already reflected in the base distribution rate, a nuclear decommissioning charge associated with decommissioning the South Texas nuclear generating facility, an EECRF charge, and charges associated with securitization of regulatory assets, stranded costs and restoration costs relating to Hurricane Ike. Transmission rates charged to distribution companies are based on amounts of energy transmitted under “postage stamp” rates that do not vary with the distance the energy is being transmitted. All distribution companies in ERCOT pay Houston Electric the same rates and other charges for transmission services.

With the IURC’s approval, Indiana Electric is a member of the MISO, a FERC-approved regional transmission organization. The MISO serves the electrical transmission needs of much of the Midcontinent region and maintains operational control over Indiana Electric’s electric transmission and generation facilities as well as those of other utilities in the region.

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Indiana Electric is an active participant in the MISO energy markets, bidding its owned generation into the Day Ahead and Real Time markets and procuring power for its retail customers at Locational Marginal Pricing as determined by the MISO market. Indiana Electric also receives transmission revenue that results from other members’ use of Indiana Electric’s transmission system. Generally, these transmission revenues, along with costs charged by the MISO, are considered components of base rates and any variance from that included in base rates is recovered from or refunded to retail customers through tracking mechanisms.

For a discussion of certain of Houston Electric’s and Indiana Electric’s ongoing regulatory proceedings, see “Management’s Discussion and Analysis of Financial Condition and Results of Operations — Liquidity and Capital Resources — Regulatory Matters” in Item 7 of Part II of this report, which discussion is incorporated herein by reference.

State and Local Regulation – Electric Generation (CenterPoint Energy)

Indiana Electric owns and operates 1,000 MW of coal-fired generation, 163 MW of gas-fired generation and 54 MW of solar generation. Indiana Electric’s newest in-service solar array, which was approved by the IURC in 2018, consists of approximately 150,000 solar panels distributed across 300 acres along Indiana State Road 545 between Troy and New Boston, Indiana. The 50 MW universal solar array was placed in service for southwestern Indiana electric customers in early 2021. On February 9, 2021, Indiana Electric entered into a BTA with a subsidiary of Capital Dynamics. Pursuant to the BTA, Capital Dynamics, with its partner Tenaska, contracted to build a 300 MW solar array in Posey County, Indiana through a special purpose entity, Posey Solar. Upon completion of construction, currently projected to be at the end of 2023, and subject to IURC approval, which was received on October 27, 2021, Indiana Electric will acquire Posey Solar and its solar array assets for a fixed purchase price. Due to rising cost for the project, caused in part by supply chain issues in the energy industry and the rising costs of commodities, we, along with Capital Dynamics, recently announced plans to downsize the project to approximately 200 MW. Indiana Electric collaboratively agreed to the scope change and is currently working through contract negotiations, contingent on further IURC review and approval. Indiana Electric also received approval to purchase 100 MW of solar power in Warrick County, Indiana, under a 25 year PPA, with the related solar array expected to be completed in late 2023. Indiana Electric has also sought approval to purchase 185 MW of solar power in Vermillion County, Indiana, under a 15-year PPA, and 150 MW of solar power in Knox County, Indiana, under a 20-year PPA. Subject to necessary approvals, both solar arrays are expected to be in service by 2023. Indiana Electric also is party to two PPAs, entitling it to the delivery of up to 80 MW of electricity produced by wind turbines. The energy and capacity secured from Indiana Electric’s available generation resources are utilized primarily to serve the needs of retail electric customers residing within Indiana Electric’s franchised service territory. Costs of operating Indiana Electric’s generation facilities are recovered through IURC-approved base rates as well as periodic rate recovery mechanisms including the CECA, ECA, FAC, MCRA, and RCRA Mechanism. Costs that are deemed unreasonable or imprudent by the IURC may not be recoverable through retail electric rates. Indiana Electric also receives revenues from the MISO to compensate it for benefits the generation facilities provide to the transmission system. Proceeds from the sales of energy from Indiana Electric’s generation facilities that exceed the requirements of retail customers are shared by Indiana Electric and retail electric customers.

The generation facilities owned and operated by Indiana Electric are subject to various environmental regulations enforced by the EPA and the IDEM. Operations of Indiana Electric’s generation facilities are subject to regulation by the EPA and the IDEM as it pertains to the discharge of constituents from the generation facilities. For further discussion, see “Our Business — Environmental Matters” below.

State and Local Regulation – Natural Gas (CenterPoint Energy and CERC)

In almost all communities in which CenterPoint Energy’s and CERC’s Natural Gas provides natural gas distribution services, they operate under franchises, certificates or licenses obtained from state and local authorities. The original terms of the franchises, with various expiration dates, typically range from 20 to 30 years. CenterPoint Energy’s and CERC’s Natural Gas expects to be able to renew expiring franchises. In most cases, franchises to provide natural gas utility services are not exclusive.

Substantially all of CenterPoint Energy’s and CERC’s Natural Gas is subject to cost-of-service rate regulation by the relevant state public utility commissions and, in Texas, by those municipalities that have retained original jurisdiction. In certain of the jurisdictions in which they operate, CenterPoint Energy’s and CERC’s Natural Gas has annual rate adjustment mechanisms that provide for changes in rates dependent upon certain changes in invested capital, earned returns on equity or actual margins realized.

For a discussion of certain of CenterPoint Energy’s and CERC’s Natural Gas’ ongoing regulatory proceedings, see “Management’s Discussion and Analysis of Financial Condition and Results of Operations — Liquidity and Capital Resources — Regulatory Matters” in Item 7 of Part II of this report, which discussion is incorporated herein by reference.

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Department of Transportation (CenterPoint Energy and CERC)

CenterPoint Energy and CERC are subject to regulation by PHMSA under the NGPSA and the HLPSA. The NGPSA delegated to PHMSA through DOT the authority to regulate gas pipelines. The HLPSA delegated to PHMSA through DOT the authority to develop, prescribe and enforce federal safety standards for the transportation of hazardous liquids by pipeline. Every four years PHMSA is up for reauthorization by Congress and with that reauthorization comes changes to the legislative requirements that Congress sets forth for the oversight of natural gas and hazardous liquid pipelines. In 2020, the Pipes Act was enacted. The Pipes Act reauthorized PHMSA through 2023 and imposed a few new mandates on the agency. The law establishes a PHMSA technology pilot, authorizes a new idled pipe operating status and contains process protections for operators during PHMSA enforcement proceedings. Section 114 of the 2020 Pipes Act is a self-mandating rule for natural gas pipeline operations like CERC’s. Section 114 focuses on processes and procedures to eliminate or reduce emissions during normal operations. Further, Section 113 of the Pipes Act directed PHMSA to develop regulations to require natural gas pipeline operators to implement leak detection and repair programs. A proposed rule is expected to be released by May 2022.

In January 2021, PHMSA published a final rule amending the federal Pipeline Safety Regulations to ease regulatory burdens on the construction, operation, and maintenance of gas transmission, distribution, and gathering systems.

CenterPoint Energy and CERC anticipate that compliance with PHMSA’s regulations, performance of the remediation activities by CenterPoint Energy’s and CERC’s Natural Gas and intrastate pipelines and verification of records on maximum allowable operating pressure will continue to require increases in both capital expenditures and operating costs. The level of expenditures will depend upon several factors, including age, location and operating pressures of the facilities. In particular, the cost of compliance with the DOT’s integrity management rules will depend on integrity testing and the repairs found to be necessary by such testing. Changes to the amount of pipe subject to integrity management, whether by expansion of the definition of the type of areas subject to integrity management procedures or of the applicability of such procedures outside of those defined areas, may also affect the costs incurred. Implementation by PHMSA of the Pipes Act, in particular Section 113, acts reauthorizing PHMSA or other future acts may result in other regulations or the reinterpretation of existing regulations that could impact compliance costs. In addition, CenterPoint Energy and CERC may be subject to the DOT’s enforcement actions and penalties if they fail to comply with pipeline regulations.

ENVIRONMENTAL MATTERS

The following discussion is based on environmental matters in the Registrants’ businesses as of December 31, 2021. The Registrants’ operations are subject to stringent and complex laws and regulations pertaining to the environment. As an owner or operator of natural gas pipelines, distribution systems and storage, electric transmission and distribution systems, steam electric and renewable generation systems and the facilities that support these systems, the Registrants must comply with these laws and regulations at the federal, state and local levels. These laws and regulations can restrict or impact the Registrants’ business activities in many ways, including, but not limited to:

•restricting the way the Registrants can handle or dispose of wastes, including wastewater discharges and air emissions;

•limiting or prohibiting construction activities in sensitive areas such as wetlands, coastal regions or areas inhabited by endangered species;

•requiring remedial action and monitoring to mitigate environmental conditions caused by the Registrants’ operations or attributable to former operations;

•enjoining the operations of facilities with permits issued pursuant to such environmental laws and regulations; and

•impacting the demand for the Registrants’ services by directly or indirectly affecting the use or price of fossil fuels, including, but not limited to, natural gas.

To comply with these requirements, the Registrants may need to spend substantial amounts and devote other resources from time to time to, among other activities:

•construct or acquire new facilities and equipment;

•acquire permits for facility operations or purchase emissions allowances;

•modify, upgrade or replace existing and proposed equipment; and

•decommission or remediate waste management areas, fuel storage facilities and other locations.

Failure to comply with these laws and regulations may trigger a variety of administrative, civil and criminal enforcement measures, including the assessment of monetary penalties, revocation of permits, the imposition of remedial actions and monitoring and the issuance of orders enjoining future operations. Certain environmental statutes impose strict, joint and

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several liability for costs required to assess, clean up and restore sites where hazardous substances have been stored, disposed or released. Moreover, it is not uncommon for neighboring landowners and other third parties to file claims for personal injury and/or property damage allegedly caused by the release of hazardous substances or other waste products into the environment.

Increasingly, environmental regulation has resulted in more restrictions and limitations on activities that may impact the environment. There can be no assurance as to the amount or timing of future expenditures for environmental compliance or remediation and monitoring, and actual future expenditures may be different from the amounts currently anticipated. The Registrants try to anticipate future regulatory requirements that might be imposed and plan accordingly to maintain compliance with changing environmental laws and regulations.

Based on current regulatory requirements and interpretations, the Registrants do not believe that compliance with federal, state or local environmental laws and regulations will have a material adverse effect on their business, financial position, results of operations or cash flows. In addition, the Registrants believe that their current environmental remediation activities will not materially interrupt or diminish their operational ability. The Registrants cannot provide assurances that future events, such as changes in existing laws, the promulgation of new laws, or the development or discovery of new facts or conditions will not cause them to incur significant costs. The following is a discussion of material current environmental and safety issues, laws and regulations that relate to the Registrants’ operations. The Registrants believe that they are in substantial compliance with these environmental laws and regulations.

Global Climate Change

There is increasing attention being paid in the United States and worldwide to the issue of climate change. As a result, from time to time, regulatory agencies have considered the modification of existing laws or regulations or the adoption of new laws or regulations addressing the emissions of GHG on the state, federal, or international level. On August 3, 2015, the EPA released its CPP rule, which required a 32% reduction in carbon emissions from 2005 levels. The final rule was published in the Federal Register on October 23, 2015, and that action was immediately followed by litigation ultimately resulting in the U.S. Supreme Court staying implementation of the rule. On July 8, 2019, the EPA published the ACE rule, which (i) repealed the CPP rule; (ii) replaced the CPP rule with a program that requires states to implement a program of energy efficiency improvement targets for individual coal-fired electric generating units; and (iii) amended the implementing regulations for Section 111(d) of the Clean Air Act. On January 19, 2021, the majority of the ACE rule — including the CPP repeal, CPP replacement, and the timing-related portions of the Section 111(d) implementing rule — was struck down by the U.S. Court of Appeals for the D.C. Circuit and on October 29, 2021, the U.S. Supreme Court agreed to consider four petitions filed by various coal interests and a coalition of 19 states that seek review of the lower court’s decision vacating the ACE rule. CenterPoint Energy is currently unable to predict what a replacement rule for either the ACE rule or CPP would require.

The Biden administration recommitted the United States to the Paris Agreement, which can be expected to drive a renewed regulatory push to require further GHG emission reductions from the energy sector and proceeded to lead negotiations at the global climate conference in Glasgow, Scotland. On April 22, 2021, President Biden announced new goals of 50% reduction of economy-wide GHG emissions, and 100% carbon-free electricity by 2035, which formed the basis of the United States’ commitments announced in Glasgow. In September 2021, CenterPoint Energy announced its new net zero emissions goals for both Scope 1 and Scope 2 emissions by 2035 as well as a goal to reduce Scope 3 emissions by 20% to 30% by 2035. Because Texas is an unregulated market, CenterPoint Energy’s Scope 2 estimates do not take into account Texas electric transmission and distribution assets in the line loss calculation and exclude emissions related to purchased power in Indiana between 2024 and 2026 as estimated. CenterPoint Energy’s Scope 3 estimates do not take into account the emissions of transport customers and emissions related to upstream extraction. These emission goals are expected to be used to position CenterPoint Energy to comply with anticipated future regulatory requirements from the current and future administrations to further reduce GHG emissions. For more information regarding CenterPoint Energy’s new net zero emission goals and the risks associated with them, see “Risk Factors — Risk Factors Affecting Our Businesses — CenterPoint Energy is subject to operational and financial risks...” CenterPoint Energy’s and CERC’s revenues, operating costs and capital requirements could be adversely affected as a result of any regulatory action that would require installation of new control technologies or a modification of their operations or would have the effect of reducing the consumption of natural gas. In addition, the EPA has indicated that it intends to implement new regulations targeting reductions in methane emissions, which are likely to increase costs related to production, transmission and storage of natural gas. Houston Electric, in contrast to some electric utilities including Indiana Electric, does not generate electricity, other than leasing facilities that provide temporary emergency electric energy to aid in restoring power to distribution customers during certain widespread power outages as allowed by a new law enacted after the February 2021 Winter Storm Event, and thus is not directly exposed to the risk of high capital costs and regulatory uncertainties that face electric utilities that burn fossil fuels to generate electricity. CenterPoint Energy’s new net zero emissions goals are aligned with Indiana Electric’s generation transition plan and are expected to position Indiana Electric to comply with anticipated future regulatory requirements related to GHG emissions reductions.

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To the extent climate changes may occur and such climate changes result in warmer temperatures in the Registrants’ service territories, financial results from the Registrants’ businesses could be adversely impacted. For example, CenterPoint Energy’s and CERC’s Natural Gas could be adversely affected through lower natural gas sales. On the other hand, warmer temperatures in CenterPoint Energy’s and Houston Electric’s electric service territory may increase revenues from transmission and distribution and generation through increased demand for electricity for cooling. Another possible result of climate change is more frequent and more severe weather events, such as hurricanes, tornadoes and flooding. Since many of the Registrants’ facilities are located along or near the Texas gulf coast, increased or more severe hurricanes or tornadoes could increase costs to repair damaged facilities and restore service to customers. When the Registrants cannot deliver electricity or natural gas to customers, or customers cannot receive services, the Registrants’ financial results can be impacted by lost revenues, and they generally must seek approval from regulators to recover restoration costs. To the extent the Registrants are unable to recover those costs, or if higher rates resulting from recovery of such costs result in reduced demand for services, the Registrants’ future financial results may be adversely impacted.

Air Emissions

The Registrants’ operations are subject to the federal Clean Air Act and comparable state laws and regulations. These laws and regulations regulate emissions of air pollutants from various industrial sources, including electric generating facilities and natural gas processing plants and compressor stations, and also impose various monitoring and reporting requirements. Such laws and regulations may require pre-approval for the construction or modification of certain projects or facilities expected to produce air emissions or result in the increase of existing air emissions. The Registrants may be required to obtain and strictly comply with air permits containing various emissions and operational limitations, or utilize specific emission control technologies to limit emissions. Failure to comply with these requirements could result in monetary penalties, injunctions, conditions or restrictions on operations, and potentially criminal enforcement actions. The Registrants may be required to incur certain capital expenditures in the future for air pollution control equipment in connection with obtaining and maintaining operating permits and approvals for air emissions.

Water Discharges

The Registrants’ operations are subject to the Federal Water Pollution Control Act of 1972, as amended, also known as the Clean Water Act, and analogous state laws and regulations. These laws and regulations impose detailed requirements and strict controls regarding the discharge of pollutants into waters of the United States. The unpermitted discharge of pollutants, including discharges resulting from a spill or leak incident, is prohibited. The Clean Water Act and regulations implemented thereunder also prohibit discharges of dredged and fill material into wetlands and other waters of the United States unless authorized by an appropriately issued permit. Any unpermitted release of petroleum or other pollutants from the Registrants’ pipelines or facilities could result in fines or penalties as well as significant remedial obligations.

Waters of the United States

Under the Obama administration, the EPA promulgated a set of rules that included a comprehensive regulatory overhaul of defining “waters of the United States” for the purposes of determining federal jurisdiction. The Trump administration signaled its intent to repeal and replace the Obama-era rules. In accordance with this intent, the EPA promulgated a rule in early 2018 that postponed the effectiveness of the Obama-era rules until 2020. Thereafter, the EPA proposed a new set of rules that would narrow the Clean Water Act’s jurisdiction, which were finalized on April 21, 2020. That set of rules was vacated by recent decisions in the U.S. federal district courts in New Mexico and Arizona, and on November 18, 2021, the EPA released a proposal to reestablish the pre-2015 definition of “waters of the United States” which will become effective upon finalization and publication. The potential impact of further revisions to the “waters of the United States” regulations on the Registrants’ business, liabilities, compliance obligations or profits and revenues is uncertain at this time.

ELG

In 2015, the EPA finalized revisions to the existing steam electric wastewater discharge standards which set more stringent wastewater discharge limits and effectively prohibited further wet disposal of coal ash in ash ponds. These new standards are applied at the time of permit renewal and an affected facility must comply with the wastewater discharge limitations no later than December 31, 2023, and the prohibition of wet sluicing of bottom ash no later than December 31, 2025. In February 2019, the IURC approved Indiana Electric’s ELG compliance plan for its F.B. Culley Generating Station, and Indiana Electric is currently finalizing its ELG compliance plan for the remainder of its affected units as part of its ongoing IRP process.

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Cooling Water Intake Structures

Section 316 of the federal Clean Water Act requires steam electric generating facilities use “best technology available” to minimize adverse environmental impacts on a body of water. In May 2014, the EPA finalized a regulation requiring installation of “best technology available” to mitigate impingement and entrainment of aquatic species in cooling water intake structures. Indiana Electric is currently completing the required ecological studies and anticipates timely compliance in 2022-2023.

Hazardous Waste

The Registrants’ operations generate wastes, including some hazardous wastes, that are subject to the federal RCRA, and comparable state laws, which impose detailed requirements for the handling, storage, treatment, transport and disposal of hazardous and solid waste. RCRA currently exempts many natural gas gathering and field processing wastes from classification as hazardous waste. Specifically, RCRA excludes from the definition of hazardous waste waters produced and other wastes associated with the exploration, development or production of crude oil and natural gas. However, these oil and gas exploration and production wastes are still regulated under state law and the less stringent non-hazardous waste requirements of RCRA. Moreover, ordinary industrial wastes such as paint wastes, waste solvents, laboratory wastes and waste compressor oils may be regulated as hazardous waste. The transportation of natural gas in pipelines may also generate some hazardous wastes that would be subject to RCRA or comparable state law requirements.

Coal Ash

Indiana Electric has three ash ponds, two at the F.B. Culley facility (Culley East and Culley West) and one at the A.B. Brown facility. In 2015, the EPA finalized its CCR Rule, which regulates coal ash as non-hazardous material under the RCRA. The final rule allows beneficial reuse of ash, and the majority of the ash generated by Indiana Electric’s generating plants will continue to be beneficially reused. The EPA continues to propose amendments to the CCR Rule; however, under the CCR Rule as it is currently in effect, Indiana Electric is required to perform integrity assessments, including ground water monitoring, at its F.B. Culley and A.B. Brown generating stations. The ground water studies are necessary to determine the remaining service life of the ponds and whether a pond must be retrofitted with liners or closed in place. Preliminary groundwater monitoring indicates potential groundwater impacts very close to Indiana Electric’s ash impoundments, and further analysis is ongoing. The CCR Rule required companies to complete location restriction determinations by October 18, 2018. Indiana Electric completed its evaluation and determined that one F.B. Culley pond (Culley East) and the A.B. Brown pond fail the aquifer placement location restriction. As a result of this failure, Indiana Electric was required to cease disposal of new ash in the ponds and commence closure of the ponds by April 11, 2021. Indiana Electric filed timely requests for extensions available under the CCR Rule that would allow Indiana Electric to continue to use the ponds through October 15, 2023. The inability to take these extensions may result in increased and potentially significant operational costs in connection with the accelerated implementation of an alternative ash disposal system or adversely impact Indiana Electric’s future operations. Failure to comply with these requirements could also result in an enforcement proceeding, including the imposition of fines and penalties. On January 22, 2021, Indiana Electric received letters from the EPA for both the F.B. Culley and A.B. Brown facilities that determined Indiana Electric’s extension submittals complete and extended the compliance deadline of April 11, 2021 until the EPA issues a final decision on the extension requests. The Culley West pond was closed under CCR provisions applicable to inactive ponds, and closure activities were completed in December 2020. For further discussion about Indiana Electric’s ash ponds, please see Note 16(e) to the consolidated financial statements.

Liability for Remediation

CERCLA, also known as “Superfund,” and comparable state laws impose liability, without regard to fault or the legality of the original conduct, on certain classes of persons responsible for the release of “hazardous substances” into the environment. Classes of PRPs include the current and past owners or operators of sites where a hazardous substance was released and companies that disposed or arranged for the disposal of hazardous substances at offsite locations such as landfills. Although petroleum, as well as natural gas, is expressly excluded from CERCLA’s definition of a “hazardous substance,” in the course of the Registrants’ ordinary operations they do, from time to time, generate wastes that may fall within the definition of a “hazardous substance.” CERCLA authorizes the EPA and, in some cases, third parties to take action in response to threats to the public health or the environment and to recover the costs they incur from the responsible classes of persons. Under CERCLA, the Registrants could potentially be subject to joint and several liability for the costs of cleaning up and restoring sites where hazardous substances have been released, for damages to natural resources, and for associated response and assessment costs, including for the costs of certain health studies.

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Liability for Preexisting Conditions

For information about preexisting environmental matters, please see Note 16(e) to the consolidated financial statements.

HUMAN CAPITAL

CenterPoint Energy believes its employees are critical to safely delivering electricity and natural gas across its service territories and seeks to create a diverse, inclusive and safe work environment. CenterPoint Energy’s core values—safety, integrity, accountability, initiative and respect—guide how it makes decisions and provide the foundation for a strong culture of ethics where employees are responsible for upholding these values and following CenterPoint Energy’s Ethics and Compliance Code.

The following table sets forth the number of employees by Registrant and reportable segment as of December 31, 2021:

	Number of Employees			Number of Employees Represented by Collective Bargaining Groups
Reportable Segment	CenterPoint Energy	Houston Electric	CERC	CenterPoint Energy	Houston Electric	CERC
Electric	3,201	2,694	—	1,675	1,442	—
Natural Gas	4,141	—	3,465	1,717	—	1,274
Corporate and Other (1)	2,076	—	—	91	—	—
Total	9,418	2,694	3,465	3,483	1,442	1,274

(1)Employees in the Corporate and Other segment provide services to the Electric and Natural Gas segments and the costs of these services have been charged directly to the Electric and Natural Gas segments using assignment methods that management believes are reasonable. For further information, see Note 20 to the consolidated financial statements.

CenterPoint Energy’s workforce includes 3,483 employees represented by collective bargaining agreements. For information about the status of collective bargaining agreements, see Note 8(j) to the consolidated financial statements.

Recruiting, Training and Development. CenterPoint Energy’s human capital priorities include attracting, retaining and developing high performing talent through its talent management activities. CenterPoint Energy endeavors to maintain a workforce reflective of the available workforce in the United States by attracting quality candidates through its recruitment and selection processes, with the goal of creating a work environment in which every employee is engaged, aligned with CenterPoint Energy’s vision and values and understands how they contribute to its long-term performance. CenterPoint Energy recruits qualified employees regardless of race, gender, color, sexual orientation, age, religion, or physical or mental disability. The talent acquisition team partners with professional organizations and local communities to increase the diversity of new hires which include, Historically Black Colleges and Universities and Hispanic Serving Institutions.

CenterPoint Energy takes a strategic approach to attracting, retaining, and developing its workforce. CenterPoint Energy’s strategy combines talent review and succession planning along with internal talent development as essential elements of overall workforce planning. To support its commitment to safely and reliably delivering electricity and natural gas, CenterPoint Energy focuses on the continuous development of its greatest assets, its employees, building a sustainable leadership pipeline. CenterPoint Energy conducts annual talent review and succession planning with all levels of leadership to ensure business continuity and identify its future leaders. With regards to the senior executive team, the Board of Directors, in conjunction with management, is executing on a comprehensive executive succession planning process, which, among other things, is intended to identify and retain senior executive talent and provide development opportunities. CenterPoint Energy invests in employee development throughout the year to align performance to business needs, drive development planning and contribute to career progression. CenterPoint Energy offers development programs for its employees at all phases of their career including technical and leadership pathways. CenterPoint Energy’s processes and progress are reviewed annually for the purposes of continuous improvement.

Diversity, Equity and Inclusion. CenterPoint Energy is dedicated to advancing an inclusive culture and work environment, free from discrimination of any kind, where business results are achieved through the skills, abilities and talents of a diverse workforce. In 2021, CenterPoint Energy’s Diversity, Equity and Inclusion Council led the approval of the establishment of employee resource groups, ERGs, which stemmed directly from an internal employee diversity survey. These groups focus on employee professional development, networking, cultural awareness and serve as a resource in alignment with CenterPoint

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Energy’s goals and objectives. The ERGs encompass groups including, but not limited to, Women, Black, LGBTQ+, Military, Hispanic/Latin, and employees of Indian descent. Each ERG group is sponsored and supported by executive leadership. In an effort of continuous improvement, strategy development and measuring progress, the Diversity, Equity and Inclusion Council participated in surveys to gauge and assess progress in Global Diversity Inclusion Benchmarks. Competitive placements in 2021 were 46% racially and/or ethnically diverse and 30% gender diverse. Additional favorable metrics include the diversity of interview panels and diverse candidates interviewed. As of December 31, 2021, CenterPoint Energy’s workforce was 36% racially and/or ethnically diverse.

Compensation and Benefits. CenterPoint Energy is committed to providing market-competitive pay and benefits. Its compensation philosophy is to maintain employee total compensation that is competitive with the relevant markets, internally equitable and based on CenterPoint Energy’s and the employee’s individual performance. CenterPoint Energy believes such pay practices attract, motivate and retain employees with the skills and competencies necessary to achieve business strategy. To supplement its competitive base compensation, additional programs include short-term and long-term incentive plans, retirement and savings plans, including company matching, healthcare and insurance benefits, disability coverage, paid time off, family leave, employee assistance programs, among other benefits which CenterPoint Energy believes provides a competitive and attractive total rewards package.

Workforce Health and Safety. CenterPoint Energy is committed to the health and safety of its employees, customers, business counterparties and the communities where it operates. Under its Safety Forward approach, safety is the responsibility of all employees. CenterPoint Energy has established a structured employee safety onboarding and development plan through its learning and development platform, offering safety and technical training courses focused on driving, worker safety and safety culture as well as other safety programs designed to encourage employee engagement and participation. Key safety metrics include advanced safety participation, leadership safety engagement rate, days away, restricted or transferred and preventable vehicle incident rate, among other metrics. CenterPoint Energy is aligned with the Edison Electric Institute, American Gas Association and other industry organizations to reduce serious injuries and fatalities. CenterPoint Energy believes the introduction of its READY program adds increased focus on hazard identification and implementation of direct controls to add capacity for safety. In response to the COVID-19 pandemic as a critical service provider, CenterPoint Energy implemented precautionary measures to keep its employees who operate its business safe and informed.

INFORMATION ABOUT OUR EXECUTIVE OFFICERS

(as of February 15, 2022)

Name	Age	Title
David J. Lesar	68	President and Chief Executive Officer
Jason P. Wells	44	Executive Vice President and Chief Financial Officer
Scott E. Doyle	50	Executive Vice President, Utility Operations
Gregory E. Knight	54	Executive Vice President, Customer Transformation and Business Services
Lynne Harkel-Rumford	65	Executive Vice President and Chief Human Resources Officer
Monica Karuturi	43	Executive Vice President and General Counsel
Jason M. Ryan	46	Executive Vice President, Regulatory Services and Government Affairs

David J. Lesar has served as a director since May 2020 and President and Chief Executive Officer of CenterPoint Energy since July 2020. He served as interim Chief Executive Officer of Health Care Service Corporation, the largest privately held health insurer in the United States, from July 2019 through June 1, 2020 and a director from 2018 to July 2020. Prior to joining Health Care Services Corporation, Mr. Lesar served as the Chairman of the Board and Chief Executive Officer of Halliburton Company from 2000 to 2017 and as its Executive Chairman of the Board from June 2017 until December 2018. Mr. Lesar joined Halliburton in 1993 and served in a variety of other roles, including executive vice president of Finance and Administration for Halliburton Energy Services, a Halliburton business unit, Chief Financial Officer of Halliburton from 1995 through May 1997 and President and Chief Operating Officer from May 1997 through August 2000. He has also served on the board of directors of several companies, most recently Agrium, Inc. as well as Lyondell Chemical Co., Southern Co., Cordant Technologies and Mirant.

Jason P. Wells has served as Executive Vice President and Chief Financial Officer of CenterPoint Energy since September 2020. Prior to joining CenterPoint Energy, Mr. Wells served as Executive Vice President and Chief Financial Officer of PG&E Corporation, a publicly traded electric utility holding company serving approximately 16 million customers through its subsidiary Pacific Gas and Electric Company, from June 2019 to September 2020. He previously served as Senior Vice President and Chief Financial Officer of PG&E Corporation from January 2016 to June 2019 and as Vice President, Business

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Finance of Pacific Gas and Electric Company from August 2013 to January 2016. PG&E Corporation filed Chapter 11 bankruptcy on January 29, 2019 and successfully emerged from bankruptcy on July 1, 2020. He also served in various finance and accounting roles of increasing responsibility at Pacific Gas and Electric Company. Mr. Wells served on the board of directors of the San Francisco-Marin Food Bank and Habitat for Humanity Greater San Francisco.

Scott E. Doyle has served as Executive Vice President, Utility Operations of CenterPoint Energy since January 2022. With more than 25 years of utility industry experience, he previously served as Executive Vice President, Natural Gas from April 2019 to January 2022; Senior Vice President, Natural Gas Distribution from March 2017 to April 2019; Senior Vice President, Regulatory and Public Affairs from February 2014 to March 2017; as Division Vice President, Rates and Regulatory from April 2012 to February 2014; and as Division Vice President, Regional Operations from March 2010 to April 2012. Mr. Doyle currently serves on the boards of Goodwill Industries of Houston, American Gas Association, Southern Gas Association, Central Indiana Corporate Partnership and the American Gas Foundation. He also serves on the Engineering Advisory Council of Texas A&M University. He previously served on the boards of the Texas Gas Association and the Association of Electric Companies of Texas.

Gregory E. Knight has served as Executive Vice President, Customer Transformation and Business Services of CenterPoint Energy since August 2020. Mr. Knight most recently served as Chief Customer Officer of National Grid from September 2019 to August 2020. He previously served as Senior Vice President and Chief Customer Officer of CenterPoint Energy from September 2014 to September 2019. Mr. Knight has over 25 years of experience in customer-focused operations, including in various leadership roles. He has served as a director of Pentair, plc, a publicly traded residential and commercial water treatment company, since January 2021. Mr. Knight is also active in several industry associations, including the American Gas Association, Edison Electric Institute and Southern Gas Association, where he serves on marketing, communications and customer solutions committees.

Lynne Harkel-Rumford has served as Executive Vice President and Chief Human Resources Officer of CenterPoint Energy since January 2022. With over 30 years of experience in compensation and benefits matters, Ms. Harkel-Rumford previously served as Senior Vice President and Chief Human Resources Officer from July 2020 to January 2022; Vice President, Total Rewards and Technology from September 2014 to July 2020; and as Associate General Counsel from April 2007 to September 2014. Ms. Harkel-Rumford currently serves on the board of directors of Target Hunger in Houston.

Monica Karuturi has served as Executive Vice President and General Counsel of CenterPoint Energy since January 2022. She previously served as Senior Vice President and General Counsel from July 2020 to January 2022; Senior Vice President and Deputy General Counsel from April 2019 to July 2020; as Vice President and Associate General Counsel - Corporate and Securities from October 2015 to April 2019; and as Associate General Counsel - Corporate from September 2014 to October 2015. Prior to joining CenterPoint Energy, Ms. Karuturi served as counsel for LyondellBasell Industries for corporate and finance matters and strategic transactions. Ms. Karuturi was appointed as a Commissioner of the Texas Access to Justice Commission by the Texas Supreme Court in June 2015 and served in this capacity until June 2021. She is currently a member of the Legal Services to the Poor in Civil Matters Committee of the Texas Bar Association and serves on the board of the Houston Bar Foundation. Ms. Karuturi also serves on the Advisory Council of the Tahirih Justice Center.

Jason M. Ryan has served as Executive Vice President, Regulatory Services and Government Affairs of CenterPoint Energy since January 2022. He previously served as Senior Vice President, Regulatory Services and Government Affairs from July 2020 to January 2022; Senior Vice President and General Counsel from April 2019 to July 2020; as Senior Vice President, Regulatory and Government Affairs from February 2019 to April 2019; as Vice President of Regulatory and Government Affairs and Associate General Counsel from March 2017 to February 2019; and as Vice President and Associate General Counsel from September 2014 to March 2017. He was appointed to the Texas Diabetes Council by Texas Governor Perry in 2013 for a term ending in 2019; he was reappointed by Texas Governor Abbott in 2019 for a term ending in 2025. Mr. Ryan currently serves on the boards of the Lone Star Flight Museum, the Texas Gulf Coast Chapter of the Leukemia and Lymphoma Society and the Association of Electric Companies of Texas. He also serves on the executive committee of the legal committee of the American Gas Association.

Item 1A.Risk Factors

CenterPoint Energy is a holding company that conducts all of its business operations through subsidiaries, primarily Houston Electric, CERC, SIGECO, Indiana Gas and VEDO. The following, along with any additional legal proceedings identified or incorporated by reference in Item 3 of this combined report on Form 10-K, summarizes the principal risk factors associated with the holding company and the businesses conducted by its subsidiaries. However, additional risks and uncertainties either not presently known or not currently believed by management to be material may also adversely affect CenterPoint Energy’s businesses. For other factors that may cause actual results to differ from those indicated in any forward-

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looking statement or projection contained in this combined report on Form 10-K, see “Management’s Discussion and Analysis of Financial Condition and Results of Operations — Certain Factors Affecting Future Earnings” in Item 7, which should be read in conjunction with the risk factors contained in this Item 1A. Carefully consider each of the risks described below, including those relating to Houston Electric and CERC, which, along with CenterPoint Energy, are collectively referred to as the Registrants. Unless the context indicates otherwise, where appropriate, information relating to a specific registrant has been segregated and labeled as such and specific references to Houston Electric and CERC in this section also pertain to CenterPoint Energy. In this combined report on Form 10-K, the terms “our,” “we” and “us” are used as abbreviated references to CenterPoint Energy, Inc. together with its subsidiaries.

Risk Factors Associated with Our Consolidated Financial Condition

CenterPoint Energy is a holding company that derives all of its operating income from, and holds substantially all of its assets through, its subsidiaries. As a result, CenterPoint Energy depends on the performance of and distributions from its subsidiaries to meet its payment obligations and to pay dividends on its common and preferred stock, and provisions of applicable law or contractual restrictions could limit the amount of those distributions.

CenterPoint Energy derives all of its operating income from, and holds substantially all of its assets through, its subsidiaries. As a result, CenterPoint Energy depends on the performance of and distributions from its subsidiaries to meet its payment obligations and to pay dividends on its common and preferred stock. In general, CenterPoint Energy’s subsidiaries are separate and distinct legal entities and have no obligation to provide it with funds for its payment obligations, whether by dividends, distributions, loans or otherwise. In addition, provisions of applicable law, such as those limiting the legal sources of dividends, limit CenterPoint Energy’s subsidiaries’ ability to make payments or other distributions to CenterPoint Energy, and its subsidiaries could agree to contractual restrictions on their ability to make payments or other distributions. Further, Houston Electric has agreed to certain “ring-fencing” measures to increase its financial separateness from CenterPoint Energy. Further ring-fencing measures could be imposed on Houston Electric in the future through legislation or PUCT rules or orders. While current ring-fencing measures have not impacted Houston Electric’s ability to pay dividends to CenterPoint Energy, the imposition of any additional measures impacting CenterPoint Energy’s ability to receive dividends from Houston Electric could materially adversely affect CenterPoint Energy’s cash flows, credit quality, financial condition and results of operations.

CenterPoint Energy’s right to receive assets of any subsidiary, and therefore the right of its creditors to participate in those assets, are structurally subordinated to the claims of that subsidiary’s creditors, including trade creditors. In addition, even if CenterPoint Energy were a creditor of any subsidiary, its rights as a creditor would likely be effectively subordinated to any security interest in the assets of that subsidiary and any senior indebtedness of the subsidiary.

If we are unable to arrange future financings on acceptable terms, our ability to finance our capital expenditures or refinance outstanding indebtedness could be limited.

Our businesses are capital intensive, and we rely on various sources to finance our capital expenditures. For example, we depend on (i) long-term debt, (ii) borrowings through our revolving credit facilities and, for CenterPoint Energy and CERC, commercial paper programs and (iii) if market conditions permit, issuances of additional shares of common or preferred stock by CenterPoint Energy. We may also use such sources to refinance any outstanding indebtedness as it matures. As of December 31, 2021, CenterPoint Energy had $16 billion of outstanding indebtedness on a consolidated basis, which includes $537 million of non-recourse Securitization Bonds. For information on outstanding indebtedness of Houston Electric and CERC as well as future maturities, see Note 14 to the consolidated financial statements. Our future financing activities may be significantly affected by, among other things:

•general economic and capital market conditions, including inflation;

•credit availability from financial institutions and other lenders;

•investor confidence in us and the markets in which we operate;

•the future performance of our businesses;

•maintenance of acceptable credit ratings;

•unanticipated actions from the Federal Reserve;

•market expectations regarding our future earnings and cash flows;

•investor willingness to invest in companies associated with fossil fuels;

•our ability to access capital markets on reasonable terms;

•incremental collateral that may be required due to regulation of derivatives; and

•provisions of relevant securities laws.

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The Registrants’ current credit ratings and any changes in credit ratings in 2021 and to date in 2022 are discussed in “Management’s Discussion and Analysis of Financial Condition and Results of Operations — Liquidity and Capital Resources — Other Matters — Impact on Liquidity of a Downgrade in Credit Ratings” in Item 7 of Part II of this report. These credit ratings may not remain in effect for any given period of time and one or more of these ratings may be reduced or withdrawn by a rating agency. The Registrants note that these credit ratings are not recommendations to buy, sell or hold their securities. Each rating should be evaluated independently of any other rating. Any future reduction or withdrawal of one or more of the Registrants’ credit ratings could have a material adverse impact on their ability to access capital on acceptable terms.

An impairment of goodwill, long-lived assets, including intangible assets, equity method investments and an impairment or fair value adjustment could reduce our earnings.

Long-lived assets, including intangible assets with finite useful lives, are reviewed for impairment whenever events or changes in circumstances indicate that the carrying value may not be recoverable. Goodwill is tested for impairment at least annually, as well as when events or changes in circumstances indicates that the carrying value may not be recoverable. During the year ended December 31, 2020, CenterPoint Energy identified and recorded a goodwill impairment charge of $185 million in the Indiana Electric reporting unit. No impairments to goodwill were recorded during the year ended December 31, 2021. See Note 6 to the consolidated financial statements for further information. Should the annual goodwill impairment test or another periodic impairment test or an observable transaction indicate the fair value of our assets is less than the carrying value, we would be required to take a non-cash charge to earnings with a correlative effect on equity, increasing balance sheet leverage as measured by debt to total capitalization. A non-cash impairment charge or fair value adjustment could materially adversely impact our financial condition and results of operations.

If CenterPoint Energy redeems the ZENS prior to their maturity in 2029, its ultimate tax liability and redemption payments would result in significant cash payments, which would adversely impact its cash flows. Similarly, a significant amount of exchanges of ZENS by ZENS holders could adversely impact CenterPoint Energy’s cash flows.

CenterPoint Energy has approximately $828 million principal amount of ZENS outstanding as of December 31, 2021. CenterPoint Energy owns shares of ZENS-Related Securities equal to approximately 100% of the reference shares used to calculate its obligation to the holders of the ZENS. CenterPoint Energy may redeem all of the ZENS at any time at a redemption amount per ZENS equal to the higher of the contingent principal amount per ZENS ($38 million in the aggregate, or $2.65 per ZENS, as of December 31, 2021) or the sum of the current market value of the reference shares attributable to one ZENS at the time of redemption. In the event CenterPoint Energy redeems the ZENS, in addition to the redemption amount, it would be required to pay deferred taxes related to the ZENS. CenterPoint Energy’s ultimate tax liability related to the ZENS and ZENS-Related Securities continues to increase by the amount of the tax benefit realized each year. If the ZENS had been redeemed on December 31, 2021, deferred taxes of approximately $539 million would have been payable in 2021, based on 2021 tax rates in effect. In addition, if all the shares of ZENS-Related Securities had been sold on December 31, 2021 to fund the aggregate redemption amount, capital gains taxes of approximately $146 million would have been payable in 2021. Similarly, a significant amount of exchanges of ZENS by ZENS holders could adversely impact CenterPoint Energy’s cash flows. This could happen if CenterPoint Energy’s creditworthiness were to drop or the market for the ZENS were to become illiquid, or for some other reason. While funds for the payment of cash upon exchange of ZENS could be obtained from the sale of the shares of ZENS-Related Securities that CenterPoint Energy owns or from other sources, ZENS exchanges result in a cash outflow because tax deferrals related to the ZENS and ZENS-Related Securities shares would typically be disposed when ZENS are exchanged and ZENS-Related Securities shares are sold.

Dividend requirements associated with CenterPoint Energy’s Series A Preferred Stock subject it to certain risks.

CenterPoint Energy has 800,000 shares of Series A Preferred Stock outstanding. Any future payments of cash dividends, and the amount of any cash dividends CenterPoint Energy pays, on its Series A Preferred Stock will depend on, among other things, its financial condition, capital requirements and results of operations and the ability of our subsidiaries to distribute cash to CenterPoint Energy, as well as other factors that CenterPoint Energy’s Board of Directors (or an authorized committee thereof) may consider relevant. Any failure to pay scheduled dividends on the Series A Preferred Stock when due could materially adversely impact our ability to access capital on acceptable terms and would likely have a material adverse impact on the market price of the Series A Preferred Stock, Common Stock and CenterPoint Energy’s debt securities and would prohibit CenterPoint Energy, under the terms of the Series A Preferred Stock, from paying cash dividends on or repurchasing shares of Common Stock (subject to limited exceptions) until such time as CenterPoint Energy has paid all accumulated and unpaid dividends on the Series A Preferred Stock.

Further, the terms of the Series A Preferred Stock provide that if dividends on any of the respective shares have not been declared and paid for the equivalent of three or more semi-annual or six or more quarterly dividend periods, whether or not for

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consecutive dividend periods, the holders of such shares, voting together as a single class with holders of any and all other series of CenterPoint Energy’s capital stock on parity with its Series A Preferred Stock (as to the payment of dividends and amounts payable on liquidation, dissolution or winding up of CenterPoint Energy’s affairs) upon which like voting rights have been conferred and are exercisable, will be entitled to vote for the election of a total of two additional members of CenterPoint Energy’s Board of Directors, subject to certain terms and limitations.

Changes in the method of determining LIBOR, or the replacement of LIBOR with an alternative reference rate, may adversely affect the cost of capital related to outstanding debt and other financial instruments.

LIBOR is currently the basic rate of interest widely used as a global reference for setting interest rates on variable rate loans and other securities. Each of the Registrants’ credit and term loan facilities, including certain facilities or financial instruments entered into by their subsidiaries, use LIBOR as a reference rate. The Financial Conduct Authority in the United Kingdom previously announced that it would phase out LIBOR as a benchmark by 2021, but later expressed support for the extension of certain tenors of U.S. dollar LIBOR until June 2023, as well as the replacement of LIBOR by the SOFR. Accordingly, beginning January 1, 2022, the Financial Conduct Authority ceased publishing one week and two-month U.S. dollar LIBOR and is expected to cease publishing all remaining U.S. dollar LIBOR tenors in June 2023. The Federal Reserve has also advised banks to cease entering into new contracts that use U.S. dollar LIBOR as a reference rate.

Because SOFR is a broad U.S. Treasury repo financing rate that represents overnight secured funding transactions, it differs fundamentally from LIBOR. Any changes in the methods by which LIBOR is determined or regulatory activity related to LIBOR’s phaseout could cause LIBOR to perform differently than in the past or cease to exist. Changes in the method of calculating LIBOR, or the replacement of LIBOR with an alternative rate or benchmark such as SOFR, may adversely affect interest rates and result in higher borrowing costs. This could materially and adversely affect our results of operations, cash flow and liquidity. Each of the Registrants’ credit facilities provide for a mechanism to replace LIBOR with possible alternative benchmarks upon certain benchmark replacement events. We are still currently evaluating the impact of any such potential benchmark replacements or unavailability of LIBOR. Also, the overall financial markets may be disrupted as a result of the phase-out or replacement of LIBOR. Uncertainty as to such potential phase-out and alternative benchmark rates or disruption in the financial markets could materially and adversely affect our financial condition, results of operations and cash flows.

Risk Factors Affecting Electric Generation, Transmission and Distribution Businesses (CenterPoint Energy and Houston Electric)

Rate regulation of Houston Electric’s and Indiana Electric’s businesses may delay or deny their ability to earn an expected return and fully recover their costs.

Houston Electric’s rates are regulated by certain municipalities and the PUCT and Indiana Electric’s rates are regulated by the IURC. Their rates are set in comprehensive base rate proceedings (i.e., general rate cases) based on an analysis of their invested capital, their expenses and other factors in a designated test year (often either fully or partially historic). Each of these rate proceedings is subject to third-party intervention and appeal, and the timing of a general base rate proceeding may be out of Houston Electric’s and Indiana Electric’s control. For Houston Electric, a general base rate proceeding is required 48 months from the date of the order setting rates in its most recent comprehensive rate proceeding, unless the PUCT issues an order extending the deadline to file that general base rate proceeding. For Indiana Electric, a general base rate proceeding is required prior to the expiration of its TDSIC plan, which expires on December 31, 2023. Houston Electric and Indiana Electric can make no assurance that their respective base rate proceedings will result in favorable adjustments to their rates, in full cost recovery or approval of other requested items, including, among other things, capital structure and ROE. Moreover, these base rate proceedings have caused in certain instances, and in the future could cause, Houston Electric and Indiana Electric to recover their investments below their requested levels (such as in the most recent Houston Electric general rate case), below the national average for utilities or below recently approved levels for other utilities in their respective jurisdictions.

The rates that Houston Electric and Indiana Electric are allowed to charge may not match their costs at any given time, a situation referred to as “regulatory lag.” For Houston Electric and Indiana Electric, several interim rate adjustment mechanisms have been implemented to reduce the effects of regulatory lag (for example, DCRF, TCOS, TDSIC, DSMA and RCRA Mechanism), although certain of these mechanisms do not provide for recovery of operations and maintenance expenses. These adjustment mechanisms are subject to the applicable regulatory body’s approval and are subject to limitations that may reduce Houston Electric’s and Indiana Electric’s ability to adjust rates. For further information on rate case proceedings and interim rate adjustment mechanisms, see “Management’s Discussion and Analysis of Financial Condition and Results of Operations — Liquidity and Capital Resources — Regulatory Matters” in Item 7 of Part II of this report. See also “—The February 2021 Winter Storm...” below for further information.

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Houston Electric and Indiana Electric can make no assurance that filings for such mechanisms will result in favorable adjustments to rates or in full cost recovery. Notwithstanding the application of such rate adjustment mechanisms, the regulatory process by which rates are determined is subject to change as a result of the legislative process or rulemaking, as the case may be, and may not always be available or result in rates that will produce recovery of Houston Electric’s and Indiana Electric’s costs or enable them to earn their authorized return. Changes to the interim adjustment mechanisms could result in an increase in regulatory lag or otherwise impact Houston Electric’s and Indiana Electric’s ability to recover their costs in a timely manner. Additionally, inherent in the regulatory process is some level of risk that jurisdictional regulatory authorities may initiate investigations of the prudence of operating expenses incurred or capital investments made by Houston Electric or Indiana Electric and deny the full recovery of their cost of service in rates. To the extent the regulatory process does not allow Houston Electric and Indiana Electric to make a full and timely recovery of appropriate costs, their financial condition, results of operations and cash flows could be materially adversely affected.

Disruptions at power generation facilities owned by third parties or Indiana Electric or directives issued by regulatory authorities could cause interruptions in Houston Electric’s and Indiana Electric’s ability to provide transmission and distribution services and adversely affect their reputation, financial condition, results of operations and cash flows.

Houston Electric owns the transmission and distribution infrastructure that delivers electric power to its customers, but it does not own or operate any power generation facilities. As allowed by a new law enacted by the Texas legislature after the February 2021 Winter Storm Event, Houston Electric is now leasing mobile generation units that can provide temporary emergency electric energy and aid in restoring power to some customers during certain widespread power outages that are impacting its distribution system. In February 2021, the ERCOT regulated Texas electric system experienced extreme winter weather conditions and an unprecedented power generation shortage. The amount of electricity generated by the state’s power generation companies was insufficient to meet the amount demanded by customers. This resulted in ERCOT directing TDUs to significantly Load Shed, which caused outages across the ERCOT electric grid of Texas, including in Houston Electric’s service territory. See Note 7 to the consolidated financial statements for further information. If power generation capacity is severely disrupted again or is inadequate for any reason, or if ERCOT needs to issue directives to TDUs (such as Houston Electric) to Load Shed, Houston Electric’s transmission and distribution services may be diminished or interrupted; it could have claims and litigation filed against it; and its reputation, financial condition, results of operations and cash flows could be adversely affected. For more information, see “— Houston Electric’s use of temporary ...” and “— The February 2021 Winter Storm ...”

Similarly, while Indiana Electric generates power, it is also party to a number of PPAs with third parties. Indiana Electric’s power generation may be disrupted or otherwise insufficient, if third parties do not deliver required power under our PPAs, power generation capacity is inadequate or MISO issues directives to its members (such as Indiana Electric) to implement controlled outages as a result of an emergency or due to reliability issues. If such disruptions were to occur, Indiana Electric’s transmission and distribution services may be diminished or interrupted; it could have claims and litigation filed against it; and its reputation, financial condition, results of operations and cash flows could be adversely affected.

Additionally, Indiana Electric’s generating facilities are subject to operational risks that could result in unscheduled plant outages, unanticipated operation and maintenance expenses, increased purchase power costs and inadvertent releases of coal ash and/or other contaminants with a significant environmental impact. These operational risks can arise from circumstances such as facility shutdowns or malfunctions due to equipment failure or operator error; interruption of fuel supply or increased prices of fuel as contracts expire; disruptions in the delivery of electricity; inability to comply with regulatory or permit requirements; labor disputes; or natural disasters, all of which could adversely affect Indiana Electric’s business. Further, Indiana Electric currently relies on coal for substantially all of its generation capacity. Currently, Indiana Electric purchases substantially all of its coal supply from a single, unrelated party and, although the coal supply is under long-term contract, the loss of this supplier or transportation interruptions could adversely affect Indiana Electric’s financial condition, results of operations and cash flows. In 2021, Indiana Electric experienced coal supply shortages due to labor shortages that the coal industry is experiencing. While the coal supply shortage that Indiana Electric experienced did not impact its ability to deliver electricity to its customers, labor shortages as well as supply shortages in the future, whether caused by insufficient supply or supplier bankruptcy or other regulatory and supply issues in the mining industry, may lead to increased cost and have a material adverse impact on our operations, which could have a material adverse effect on our financial condition, results of operations and cash flows. See “— Continued disruptions to the supply...”

Houston Electric’s receivables are primarily concentrated in a small number of REPs, and any delay or default in such payments could adversely affect Houston Electric’s financial condition, results of operations and cash flows.

Houston Electric’s receivables from the distribution of electricity are collected from REPs that supply the electricity. As of December 31, 2021, Houston Electric provided electric delivery service to approximately 59 REPs. Adverse economic

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conditions, such as the impact of COVID-19, the February 2021 Winter Storm Event, structural problems in the market served by ERCOT, inflation or financial difficulties of one or more REPs could impair the ability of these REPs to pay for Houston Electric’s services or could cause them to delay such payments. Houston Electric depends on these REPs to remit payments on a timely basis. Houston Electric’s PUCT-approved tariff outlines the remedies available to Houston Electric in the event that a REP defaults on amounts owed. Among the remedies available to Houston Electric are seeking recourse against any cash deposit, letter of credit, or surety bond provided by the REP or implementing mutually agreeable terms with the REP. Another remedy is to require that customers be shifted to another REP or a provider of last resort. Houston Electric thus remains at risk for payments related to services provided prior to the shift to another REP or the provider of last resort. A significant portion of Houston Electric’s billed receivables from REPs are from affiliates of NRG and Vistra Energy Corp. Houston Electric’s aggregate billed receivables balance from REPs as of December 31, 2021 was $207 million. Approximately 40% and 18% of this amount was owed by affiliates of NRG and Vistra Energy Corp., respectively. Any delay or default in payment by REPs could adversely affect Houston Electric’s financial condition, results of operations and cash flows. If a REP was unable to meet its obligations, it could consider, among various options, restructuring under the bankruptcy laws, in which event such REP might seek to avoid honoring its obligations, and claims might be made regarding prior payments Houston Electric had received from such REP. For example, following the February 2021 Winter Storm Event, multiple REPs filed for bankruptcy. We are currently capturing the amounts owed by the REPs as a permitted regulatory asset for bad debt expenses, which will be subject to a reasonableness review by the PUCT when we seek recovery in our next base rate case.

Indiana Electric’s execution of its generation transition plan, including its IRP, are subject to various risks, including timely recovery of capital investments and increased costs and risks related to the timing and cost of development and/or construction of new generation facilities.

Indiana requires each electric utility to perform and submit an IRP every three years, unless extended, to the IURC that uses economic modeling to consider the costs and risks associated with available resource options to provide reliable electric service for the next 20-year period on a periodic basis. In February 2018, as part of its electric generation transition plan, Indiana Electric received approval from the IURC to construct a 50 MW universal solar array and a plan to retrofit its largest, most efficient coal-fired generation unit (Culley Unit 3). With respect to its 2019/2020 IRP submitted to the IURC in June 2020, Indiana Electric identified a preferred generation resource that includes the replacement of 730 MW of coal-fired generation facilities with a significant portion composed of renewables, including solar and wind, supported by dispatchable natural gas combustion turbines, including a pipeline to serve such natural gas generation, as well as storage. While the IURC does not approve or reject the IRP, the process involves the issuance of a staff report that provides comments on the IRP. On November 17, 2021, Indiana Electric received the staff report on the IRP. Further, there is no guarantee that the IURC will approve the requests included in any of Indiana Electric’s future filed petitions relating to its IRP.

Even if a generation project is approved, risks associated with the development or construction of any new generation exist, including new legislation restricting or delaying new generation, moratorium legislation, the ability to procure resources needed to build at a reasonable cost, scarcity of resources and labor, ability to appropriately estimate costs of new generation, the effects of potential construction delays, project scope changes, and cost overruns and the ability to meet capacity requirements. For example, we, along with our developers of the Posey solar project, have recently announced plans to downsize the Posey solar project from 300 MW to 200 MW due to supply chain issues experienced in the energy industry, the rising cost of commodities and community feedback. For additional information, see “— Continued disruptions to the supply...” Furthermore, we have announced our intent to acquire and/or develop additional solar and wind facilities as part of our capital plan. However, we have not yet entered into definitive agreements with developers for the acquisition and/or development of such additional projects, and we face significant competition with other bidders for a limited number of such generation facilities that developers plan to construct, including those that are in an acceptable position on the MISO interconnection queue. As a result, suitable generation facility project candidates may not be available on terms and conditions we find acceptable, or the expected benefits of a completed facility may not be realized fully or at all, or may not be realized in the anticipated timeframe. If we are unable to complete or acquire such generation facilities, or if they do not perform as anticipated, our future growth, financial condition, results of operations and cash flows may be adversely affected.

Houston Electric and Indiana Electric, as a member of ERCOT and MISO, respectively, could be subject to higher costs for system improvements, as well as fines or other sanctions as a result of FERC mandatory reliability standards.

Houston Electric and Indiana Electric are members of ERCOT and MISO, respectively, which serve the electric transmission needs of their applicable regions. As a result of their respective participation in ERCOT and MISO, Houston Electric and Indiana Electric do not have operational control over their transmission facilities and are subject to certain costs for improvements to these regional electric transmission systems. In addition, the FERC has jurisdiction with respect to ensuring the reliability of electric transmission service, including transmission facilities owned by Houston Electric and other utilities within ERCOT and Indiana Electric and other utilities within MISO, respectively. The FERC has designated the NERC as the

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ERO to promulgate standards, under FERC oversight, for all owners, operators and users of the bulk power system. The FERC has approved the delegation by the NERC of authority for reliability in ERCOT to the Texas RE, a Texas non-profit corporation and for reliability in the portion of MISO that includes Indiana Electric to ReliabilityFirst Corporation, a Delaware non-profit corporation. Compliance with mandatory reliability standards may subject Houston Electric and Indiana Electric to higher operating costs and may result in increased capital expenditures, which may not be fully recoverable in rates. While Houston Electric and Indiana Electric have received minor fines in the past for noncompliance, if Houston Electric or Indiana Electric were to be found to be in noncompliance with applicable mandatory reliability standards again, they would be subject to sanctions, including substantial monetary penalties, which could range as high as over a million dollars per violation per day, and non-monetary penalties, such as having to file a mitigation plan to prevent recurrence of a similar violation and having certain milestones in such plan tracked.

In connection with the February 2021 Winter Storm Event, there have been calls for reform of the Texas electric market, some measure of which, if implemented, could have material adverse impacts on Houston Electric.

Various governmental and regulatory agencies and other entities have called for or are conducting inquiries and investigations into the February 2021 Winter Storm Event and the efforts made by various entities to prepare for, and respond to, this event, including the electricity generation shortfall issues. Such agencies and entities include the United States Congress, FERC, NERC, Texas RE, ERCOT, Texas government entities and officials such as the Texas Governor’s office, the Texas Legislature, the Texas Attorney General, the PUCT, the City of Houston and other municipal and county entities in Houston Electric’s service area, among other entities. In addition to questions around preparation and response, some federal and other officials, as well as members of the public and media, have called for reviews and reforms of the Texas electric market, including whether it should continue to be governed by ERCOT or instead be subject to FERC jurisdiction and regulation by joining an ISO such as MISO, as well as the division of the market between power generators, TDUs (such as Houston Electric) and REPs. There are significant uncertainties around these discussions and whether any market structure or governance changes will result therefrom, but if any such reviews and reform efforts ultimately result in changes to how the Texas electric market is structured or regulated, such changes could have a material adverse impact on Houston Electric’s business, financial condition and results of operations. See “—The February 2021 Winter Storm...” below and Note 7 to the consolidated financial statements for further information.

Houston Electric’s use of temporary mobile generation resources is subject to various risks, including related failure to obtain and deploy sufficient mobile generation units, potential performance issues and allegations about Houston Electric’s deployment of the resources (including the planning, execution, and effectiveness of the same), regulatory and environmental requirements, and timely recovery of capital.

Following the February 2021 Winter Storm Event, the Texas legislature passed a new law, effective September 1, 2021, that allows TDUs, like Houston Electric, to lease and operate temporary back-up generation resources during widespread power outages where ERCOT has ordered a TDU to shed load or the TDU’s distribution facilities are not being fully served by the bulk power system under normal operations. In response to this legislation, Houston Electric has entered into short-term and long-term leases with a third party provider to obtain mobile generation units.

However, if Houston Electric is otherwise unable to deploy a sufficient number of mobile generation units in time to respond to a particular event; if the mobile generation units fail to perform as intended; if Houston Electric is otherwise unable to provide back-up generation resources and restore power as intended; or if the use of mobile generation units or their failure to perform causes or is alleged to cause any personal injury, property damage, or other damage or loss due to allegations that it failed to deploy such units reasonably or effectively and failed to respond to particular power outages, Houston Electric could be subject to claims, demands, litigation, liability, regulatory scrutiny, and loss of reputation. As noted above, the legislation prescribes specific and limited use for the mobile generation units, and Houston Electric’s mobile generation units have limited generation capacity, such that in future events customers could still be without power despite deployment of the mobile units.

While Houston Electric has insurance coverage and indemnity rights for its use of mobile generation units, if its insurers or indemnitors fail to meet their indemnity obligations, Houston Electric could be liable for personal injury, property damage, or other damage or loss. Further, the mobile generation units are subject to various environmental regulations and permitting requirements, which could have an impact on Houston Electric’s ability to use these units, and noncompliance with which could subject Houston Electric to further potential liability. The use of mobile generation units is also subject to various requirements of the new legislation, and failure to comply with them could subject Houston Electric to additional liability as well as challenges to its use of mobile generation in general. While Houston Electric will seek to recover the costs of the lease and use of mobile generation units, such recovery is not certain, and Houston Electric’s inability to recover its costs could have a material adverse impact on its financial condition, results of operations and cash flows. For further information, see “— Rate Regulation of Houston Electric’s...”, “— Our insurance coverage may not...” and “— We are subject to operational...”

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Risk Factors Affecting Natural Gas’ Business (CenterPoint Energy and CERC)

Rate regulation of Natural Gas may delay or deny its ability to earn an expected return and fully recover its costs.

Natural Gas’ rates are regulated by certain municipalities (in Texas only) and state commissions based on an analysis of Natural Gas’ invested capital, expenses and other factors in a test year (often either fully or partially historic) in comprehensive base rate proceedings, subject to periodic review and adjustment. Each of these proceedings is subject to third-party intervention and appeal, and the timing of a general base rate proceeding may be out of Natural Gas’ control. During 2022, Natural Gas has a pending rate case and a proceeding considering recovery of extraordinary natural gas costs during the February 2021 Winter Storm Event in Minnesota. In the Minnesota extraordinary natural gas cost proceeding, various parties have proposed significant disallowances for all natural gas utilities ranging from $45 million to $409 million for CenterPoint Energy and CERC. Natural Gas can make no assurance that these respective base rate and cost recovery proceedings will result in favorable adjustments to its rates, full or adequate cost recovery or approval of other requested items, including, among other things, capital structure and ROE. These base rate proceedings could cause Natural Gas to recover its investments at rates below its requested level, the national average for utilities or recently approved levels for other utilities in those jurisdictions.

The rates that Natural Gas is allowed to charge may not match its costs at any given time, resulting in what is referred to as “regulatory lag.” For example, the MPUC has ordered that the amortization period for extraordinary gas costs resulting from the February 2021 Winter Storm Event be increased from 27-months to 63-months beginning on January 1, 2022, and that CERC forego recovery of the associated carrying costs. Though several interim rate adjustment mechanisms have been approved by jurisdictional regulatory authorities and implemented by Natural Gas to reduce the effects of regulatory lag (for example, CSIA, DRR, GRIP, RRA and RSP), such adjustment mechanisms are subject to the applicable regulatory body’s approval, which we cannot assure would be approved, and are subject to certain limitations that may reduce or otherwise impede Natural Gas’ ability to adjust its rates or result in rates below those requested by Natural Gas.

Natural Gas can make no assurance that filings for such mechanisms will result in favorable adjustments to rates. Notwithstanding the application of the rate mechanisms discussed above, the regulatory process by which rates are determined is subject to change as a result of the legislative process or rulemaking, as the case may be, and may not always be available or result in rates that will produce recovery of Natural Gas’ costs or enable Natural Gas to earn an expected return. Changes to the interim adjustment mechanisms could result in an increase in regulatory lag or otherwise impact Natural Gas’ ability to recover its costs in a timely manner. Additionally, inherent in the regulatory process is some level of risk that jurisdictional regulatory authorities may initiate investigations of the prudence of operating expenses incurred or capital investments made by Natural Gas and deny the full recovery of Natural Gas’ cost of service or the full recovery of incurred natural gas costs in rates. To the extent the regulatory process does not allow Natural Gas to make a full and timely recovery of appropriate costs, its financial condition, results of operations and cash flows could be adversely affected. For further information on rate case proceedings and interim rate adjustment mechanisms, see “Management’s Discussion and Analysis of Financial Condition and Results of Operations — Liquidity and Capital Resources — Regulatory Matters” in Item 7 of Part II of this report.

Unlike CERC, Indiana Gas, SIGECO’s natural gas distribution business and VEDO must seek approval by the IURC and PUCO, as applicable, for long-term financing authority. This authority allows these utilities the flexibility to enter into various financing arrangements. In the event that the IURC or PUCO do not approve these utilities’ respective financing authorities, they may not be able to fully execute their financing plans and their respective financial conditions, results of operations and cash flows could be adversely affected. For more information, see “Management’s Discussion and Analysis of Financial Condition and Results of Operations—Regulatory Matters.”

Access to natural gas supplies and pipeline transmission and storage capacity are essential components of reliable service for Natural Gas’ customers.

Natural Gas depends on third-party service providers to maintain an adequate supply of natural gas and for available storage and intrastate and interstate pipeline capacity to satisfy its customers’ needs, all of which are critical to system reliability. Substantially all of Natural Gas’ natural gas supply is purchased from intrastate and interstate pipelines. If Natural Gas is unable to secure an independent natural gas supply of its own or through its affiliates or if third-party service providers fail to timely deliver natural gas to meet Natural Gas’ requirements, the resulting decrease in natural gas supply in Natural Gas’ service territories could have a material adverse effect on its financial condition, results of operations and cash flows. Additionally, a significant disruption, whether through reduced intrastate and interstate pipeline transmission or storage capacity or other events affecting natural gas supply, including, but not limited to, operational failures, hurricanes, tornadoes, floods, severe winter weather conditions, acts of terrorism or cyberattacks or changes in legislative or regulatory requirements,

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could also adversely affect Natural Gas’ businesses. Further, to the extent that Natural Gas’ natural gas requirements cannot be met through access to or continued use of existing natural gas infrastructure or if additional infrastructure, including onshore and offshore exploration and production facilities, gathering and processing systems and pipeline and storage capacity is not constructed at a rate that satisfies demand, then Natural Gas’ operations could be negatively affected. For additional risks related to the February 2021 Winter Storm Event, see “—The February 2021 Winter Storm...” below and Note 7 to the consolidated condensed financial statements for further information.

Natural Gas is subject to fluctuations in notional natural gas prices, which could affect the ability of its suppliers and customers to meet their obligations or may impact our operations which could adversely affect CERC’s financial condition, results of operations and cash flows.

Natural Gas is subject to risk associated with changes in the notional price of natural gas. Increases in natural gas prices might affect Natural Gas’ ability to collect balances due from customers and could create the potential for uncollectible accounts expense to exceed the recoverable levels built into tariff rates. In addition, a sustained period of high natural gas prices could (i) decrease demand for natural gas in the areas in which Natural Gas operates, thereby resulting in decreased sales and revenues and (ii) increase the risk that Natural Gas’ suppliers or customers fail or are unable to meet their obligations. An increase in natural gas prices would also increase working capital requirements by increasing the investment that must be made to maintain natural gas inventory levels. For additional risks related to the February 2021 Winter Storm Event, see “—The February 2021 Winter Storm...” below and Note 7 to the consolidated condensed financial statements for further information.

A decline in CERC’s credit rating could result in CERC having to provide collateral under its shipping arrangements or to purchase natural gas, which consequently would increase its cash requirements and adversely affect its financial condition.

If CERC’s credit rating were to decline, it might be required to post cash collateral under its shipping arrangements or to purchase natural gas. If a credit rating downgrade and the resultant cash collateral requirement were to occur at a time when CERC was experiencing significant working capital requirements or otherwise lacked liquidity, CERC’s financial condition, results of operations and cash flows could be adversely affected. For additional risks related to the February 2021 Winter Storm Event, see “—The February 2021 Winter Storm...” below and Note 7 to the consolidated condensed financial statements for further information.

Natural Gas must compete with alternate energy sources, which could result in less natural gas delivered and have an adverse impact on CERC’s financial condition, results of operations and cash flows.

Natural Gas competes primarily with alternate energy sources such as electricity and other fuel sources. In some areas, intrastate pipelines, other natural gas distributors and marketers also compete directly with Natural Gas for natural gas sales to end users. In addition, as a result of federal regulatory changes affecting interstate pipelines, natural gas marketers operating on these pipelines may be able to bypass Natural Gas’ facilities and market, sell and/or transport natural gas directly to commercial and industrial customers. Any reduction in the amount of natural gas delivered by Natural Gas as a result of competition with alternate energy sources may have an adverse impact on CERC’s financial condition, results of operations and cash flows.

Risk Factors Affecting Energy Systems Group’s Business (CenterPoint Energy)

Energy Systems Group’s operations could be adversely affected by a number of factors.

Energy Systems Group’s business results are dependent on a number of factors. The industry in which Energy Systems Group operates is competitive and many of the contracts are subject to a bidding process. Should Energy Systems Group be unsuccessful in bidding contracts (for example, federal Indefinite Delivery/Indefinite Quantity contracts), results of operations could be impacted. Through competitive bidding, the volume of contracted work could vary significantly from year to year. Further, to the extent there are unanticipated cost increases in completion of the contracted work or issues arise where amounts due for work performed may not be collected, the profit margin realized on any single project could be reduced. Changes in legislation and regulations impacting the sectors in which the customers served by Energy Systems Group operate could adversely impact operating results. Additionally, Energy Systems Group’s business is subject to other risks including, but not limited to, the following: the discontinuation of the federal ESPC and UESC programs; the inability of customers to finance projects; failure to appropriately design, construct or operate projects; increased project delays and backlogs, particularly in the federal sector, increases in costs and shortages in supply materials due to the COVID-19 pandemic and other factors; cancellation of projects by customers or reductions in the scope of the projects; and obligations related to warranties, guarantees and other contractual and legal obligations.

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Energy Systems Group’s business has performance and warranty obligations, some of which are guaranteed by CenterPoint Energy.

In the normal course of business, Energy Systems Group issues performance bonds and other forms of assurance that commit it to operate facilities, pay vendors or subcontractors and support warranty obligations. As the parent company, CenterPoint Energy or Vectren has, and will, from time to time guarantee its subsidiaries’ commitments. These guarantees do not represent incremental consolidated obligations; rather, they represent parental guarantees of subsidiary obligations to allow the subsidiary the flexibility to conduct business without posting other forms of collateral. Neither CenterPoint Energy nor Vectren has been called upon to satisfy any obligations pursuant to these parental guarantees to date.

Risk Factors Affecting Our Businesses

We are subject to operational and financial risks and liabilities arising from environmental laws and regulations, including regulation of CCR and climate change legislation. We could also experience reduced demand for our services, including certain local initiatives to prohibit new natural gas service and increase electrification initiatives in jurisdictions served by Natural Gas.

Our operations are subject to stringent and complex laws and regulations pertaining to the environment. As an owner or operator of natural gas pipelines, distribution systems and storage, electric generating facilities and electric transmission and distribution systems, and the facilities that support these systems, we must comply with these laws and regulations at the federal, state and local levels. These laws and regulations can restrict or impact our business activities in many ways, including among others, restricting the use of fossil fuels through future climate legislation or regulation, restricting the use of natural gas-fired appliances in new homes, limiting airborne emissions from generating facilities, restricting the way we manage wastes, including wastewater discharges and air emissions and requiring remedial action or monitoring to mitigate environmental actions caused by our operations or attributable to former operations. We may need to spend substantial amounts and devote other resources from time to time to comply with these requirements. Failure to comply with these laws and regulations may trigger a variety of administrative, civil and criminal enforcement measures, including the assessment of monetary penalties, revocation of permits, the imposition of remedial actions, and the issuance of orders enjoining future operations. Certain environmental statutes impose strict joint and several liability for costs required to clean, restore and monitor sites where hazardous substances have been stored, disposed or released. Moreover, it is not uncommon for neighboring landowners and other third parties to file claims for personal injury and property damage allegedly caused by the release of hazardous substances or other waste products into the environment.

In April 2015, the EPA finalized its CCR Rule, which regulates ash as non-hazardous material under the RCRA. The final rule allows beneficial reuse of ash, and the majority of the ash generated by Indiana Electric’s generating plants will continue to be beneficially reused. In July 2018, the EPA released its final CCR Rule Phase I Reconsideration which extended the deadline to October 31, 2020 for ceasing placement of ash in ponds that exceed groundwater protections standards or that fail to meet location restrictions. In August 2019, the EPA proposed additional “Part A” amendments to its CCR Rule with respect to beneficial reuse of ash and other materials. Further “Part B” amendments, which related to alternate liners for CCR surface impoundments and the surface impoundment closure process, were published in March 2020. The Part A amendments were finalized in August 2020, and the Part B amendments were finalized in November 2020 and extended the deadline to cease placement of ash in ponds to April 11, 2021. The EPA published an advanced notice of proposed rulemaking on legacy CCR surface impoundments in October 2020, and in December 2020 provided new data and requested public comment as part of the Agency’s reconsideration of its definition of beneficial reuse. The Part A amendments do not restrict Indiana Electric’s current beneficial reuse of its fly ash. The potential effects of future amendments to the CCR Rule are uncertain at this time.

Regulatory agencies have also adopted, and from time to time consider adopting, new legislation and/or modifying existing laws and regulations to reduce GHGs. There continues to be a wide-ranging policy and regulatory debate, both nationally and internationally, regarding the potential impact of GHGs and possible means for their regulation. The EPA has expanded its existing GHG emissions reporting requirements, which could also lead to further regulation of GHGs by the EPA. The recent trend in environmental regulation has been to place more restrictions and limitations on activities that may impact the environment, which is expected to continue under the Biden administration. For example, shortly after taking office in January 2021, President Biden issued a series of executive orders designed to address climate change, as well as an executive order requiring agencies to review environmental actions taken by the Trump administration. The Biden administration also issued a memorandum to departments and agencies to refrain from proposing or issuing rules until a departmental or agency head appointed or designated by the Biden administration has reviewed and approved the rule. President Biden also recommitted the United States to the Paris Agreement, which can be expected to drive a renewed regulatory push to require further GHG emission reductions from the energy sector and proceeded to lead negotiations at the global climate conference in Glasgow, Scotland. On April 22, 2021, President Biden announced new goals of 50% reduction of economy-wide GHG emissions and

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100% carbon-free electricity by 2035, which formed the basis of the United States’ commitments announced in Glasgow. Reentry into the Paris Agreement, revised climate commitments coming out of the 2021 United Nations Climate Change Conference held in Glasgow, Scotland and President Biden’s executive orders may result in the development of additional regulations or changes to existing regulations. Potential future restrictions include, among other things, the United States enacting additional GHG regulations and mandated financial, emissions and other disclosures. As a distributor and transporter of natural gas, Natural Gas’ revenues, operating costs and capital requirements could be adversely affected as a result of any regulatory action that would require installation of new control technologies or a modification of its operations or that would have the effect of reducing the consumption of natural gas. Thus, there can be no assurance as to the amount or timing of future expenditures for environmental compliance or remediation, and actual future expenditures may be greater than the amounts we currently anticipate. Likewise, incentives to conserve energy or use energy sources other than natural gas could result in a decrease in demand for our services. For further discussion, see “Business—Environmental Matters” in Item 1 and “ —Natural Gas must compete with...”

Evolving investor sentiment related to the use of fossil fuels and initiatives to restrict continued production of fossil fuels may have substantial impacts on CenterPoint Energy’s electric generation and natural gas businesses. For example, because Indiana Electric’s current generating facilities substantially rely on coal for their operations, certain financial institutions choose not to participate in CenterPoint Energy’s financing arrangements. Further, some investors may choose to not invest in CenterPoint Energy due to CenterPoint Energy’s use of fossil fuels. Also, certain cities in CenterPoint Energy’s Natural Gas operational footprint have adopted initiatives to prohibit the construction of new natural gas facilities that would provide service and focus on electrification. For example, Minneapolis has adopted carbon emission reduction goals in an effort to decrease reliance on fossil gas. Also, Minnesota cities may consider seeking legislative authority for the ability to enact voluntary enhanced energy standards for all development projects. Certain state and local governments in states such as New York and California have also passed, or are considering, legislation banning the use of natural gas-fired appliances in new homes, which could affect consumer use of natural gas. Should such bans be enacted within Natural Gas’ operational footprint, they could adversely affect consumer demand for natural gas. Any such initiatives and legislation could adversely affect CenterPoint Energy’s results of operations.

CenterPoint Energy is subject to operational and financial risks and liabilities associated with the implementation of and efforts to achieve its carbon emission reduction goals.

In September 2021, CenterPoint Energy announced its new net zero emission goals for Scope 1 and 2 emissions by 2035 and a 20-30% reduction in Scope 3 emissions by 2035 as compared to 2021 levels. CenterPoint Energy’s analysis and plan for execution requires it to make a number of assumptions. These goals and underlying assumptions involve risks and uncertainties and are not guarantees. Should one or more of CenterPoint Energy’s underlying assumptions prove incorrect, its actual results and ability to achieve net zero emissions by 2035 could differ materially from its expectations. Certain of the assumptions that could impact CenterPoint Energy’s ability to meet its net zero emissions goals include, but are not limited to: emission levels, service territory size and capacity needs remaining in line with expectations; regulatory approval of Indiana Electric’s generation transition plan; impacts of future environmental regulations or legislation; impact of future carbon pricing regulations or legislation, including a future carbon tax; price, availability and regulation of carbon offsets; price of fuel, such as natural gas; cost of energy generation technologies, such as wind and solar, natural gas and storage solutions; adoption of alternative energy by the public, including adoption of electric vehicles; rate of technology innovation with regards to alternative energy resources; CenterPoint Energy’s ability to implement its modernization plans for its pipelines and facilities; the ability to complete and implement generation alternatives to Indiana Electric’s coal generation and retirement dates of Indiana Electric’s coal facilities by 2035; the ability to construct and/or permit new natural gas pipelines; the ability to procure resources needed to build at a reasonable cost, the lack of or scarcity of resources and labor, any project cancellations, construction delays or overruns and the ability to appropriately estimate costs of new generation; impact of any supply chain disruptions; changes in applicable standards or methodologies; and enhancement of energy efficiencies. Our businesses may face increased scrutiny from investors and other stakeholders related to our sustainability activities, including the goals, targets, and objectives that we announce, and our methodologies and timelines for pursuing them. If our sustainability practices do not meet investor or other stakeholder expectations and standards, which continue to evolve, our reputation, our ability to attract or retain employees, and our attractiveness as an investment or business partner could be negatively affected. Similarly, our failure or perceived failure to pursue or fulfill our sustainability-focused goals, targets, and objectives, to comply with ethical, environmental, or other standards, regulations, or expectations, or to satisfy various reporting standards with respect to these matters, within the timelines we announce, or at all, could adversely affect our business or reputation, as well as expose us to government enforcement actions and private litigation.

Developing and implementing plans for compliance with voluntary climate commitments can lead to additional capital, personnel and operation and maintenance expenditures and could significantly affect the economic position of existing facilities and proposed projects. To the extent that we believe any of these costs are recoverable in rates, cost recovery could be resisted

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by our regulators and our regulators might attempt to deny or defer timely recovery of these costs. Moreover, we cannot predict the ultimate impact of achieving our emissions reduction goals, or the various implementation aspects, on our system reliability or our financial condition and results of operations.

Continued disruptions to the global supply chain may lead to higher prices for goods and services and impact our operations, which could have a material adverse impact on our ability to execute our capital plan and on our financial condition, results of operations and cash flows.

The global supply chain has experienced and is expected to continue to experience disruptions due to a multitude of factors, such as the COVID-19 pandemic, labor shortages, resource availability, long lead time, inflation and weather, and these disruptions have adversely impacted the utility industry. We have experienced disruptions to our supply chain, as well as increased prices, and we may continue to experience this in the future. For example, we, along with the developer of the project, recently announced plans to downsize the previously announced solar array to be built in Posey County, Indiana from 300 MW to 200 MW due to supply chain issues experienced in the energy industry, the rising cost of commodities and community feedback. Additionally, we, as well as other companies in our industry, have experienced difficulties in procuring certain materials necessary for the transmission and distribution of power, such as transformers, wires, cables and meters. We may continue to experience difficulties in procuring these resources and others necessary to operate our businesses in the future, and if we were to experience other significant supply chain disruptions in the future, we may not be able to procure the resources, including labor, needed to fully execute on our ten-year capital plan or achieve our net zero emission goals. Even if we are able to procure the necessary resources, we might not be able to do so at a reasonable cost or in a timely manner which could result in project cancellations or scope changes, delays, cost overruns and under-recovery of costs. If we are unable to fully execute on capital plans as a result of supply chain disruptions, our financial condition, results of operations and cash flows may be materially and adversely affected.

The February 2021 Winter Storm Event caused severe disruptions in certain of our jurisdictions and could have a material adverse impact to our financial condition, results of operations, cash flows and liquidity.

In February 2021, certain of our jurisdictions experienced an extreme and unprecedented winter weather event with prolonged freezing temperatures that resulted in an electricity generation shortage in our Houston Electric service area, which impacted our businesses. The electricity generation shortages necessitated ERCOT to direct TDUs, including Houston Electric, to implement controlled outages in their respective service areas. In compliance with ERCOT’s directives and emergency procedures, Houston Electric implemented controlled electricity outages across its service territory, resulting in a substantial number of its customers (on certain days over a million residents) being without power, many for extended periods of time. ERCOT has stated that the electric outages were necessary to avoid prolonged large-scale, state-wide blackouts and long-term damage to the electric system in Texas. As a result, Houston Electric’s sales of transmission and distribution services were diminished or interrupted for several days. Additionally, the electricity generation shortage resulted in wholesale electricity prices increasing to their maximum allowed limit.

During and in the aftermath of the February 2021 Winter Storm Event, the Texas legislature revised applicable statutes and granted the PUCT and ERCOT additional regulatory authority, both oversight and enforcement, that focuses on ensuring that ERCOT market participants, including power generation facilities and TDUs (like Houston Electric), have sufficient winterization standards and protection. Houston Electric is in compliance with the requirements applicable to it. If any additional protections are required in the future, complying with these new protections may increase the cost of electricity and reduce consumption of electricity by ultimate consumers in Houston Electric’s service territory, which could adversely affect Houston Electric’s results of operations. Any potential decreases in customer usage due to higher electricity prices charged by REPs may not result in increased base rates charged by Houston Electric for its services until its next general base rate proceeding. For further information on Houston Electric’s regulatory proceedings, see “— Rate regulation of Houston Electric’s...”

Furthermore, the February 2021 Winter Storm Event also impacted the wholesale prices CenterPoint Energy and CERC paid for natural gas and their ability to service customers in their Natural Gas service territories, including due to the reduction in available natural gas capacity, impacts to CenterPoint Energy’s and CERC’s natural gas supply portfolio activities, and their ability to transport natural gas, among other things. In particular, the February 2021 Winter Storm Event also caused severe disruptions in the markets from which CenterPoint Energy and CERC sourced a significant portion of their natural gas for their utility operations, resulting in extraordinary increases in the price of natural gas to CenterPoint Energy and CERC. From February 12, 2021 to February 22, 2021, CenterPoint Energy spent approximately an incremental $2.2 billion more on natural gas supplies compared to plan. These amounts are based on final settlements of supplier and pipeline invoices from February 2021, including amounts negotiated to resolve disputes with various suppliers as of January 2022.

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In addition to the risks discussed in this risk factor, for further information on risks related to:

•the arranging of future financings on acceptable terms, see “— If we are unable to...”;

•the ability to receive payment from a REP, see “— Houston Electric’s receivables are primarily...”

•the ability to seek recovery of the additional costs of natural gas, see “— Rate regulation of Natural Gas...”;

•access to natural gas supplies, see “— Access to natural gas supplies...”;

•various regulatory, investigations, litigation or other proceedings, see “— In connection with the February...” and Note 16 to the consolidated condensed financial statements;

•the fluctuations in notional natural gas prices, see “— Natural Gas is subject to...”; and

•the impact of a decline in CERC’s credit rating, see “— A decline in CERC’s credit ...”

Our financial condition, results of operations and cash flows may be adversely affected if we are unable to successfully operate our facilities or perform certain corporate functions.

Our performance depends on the successful operation of our facilities. Operating these facilities involves many risks inherent in the generation, transmission and distribution of electricity and in the delivery of natural gas that could result in substantial losses or other damages. These risks include, but are not limited to, the following:

•operator error or failure of equipment or processes, including failure to follow appropriate safety protocols;

•the handling of hazardous equipment or materials that could result in serious personal injury, loss of life and environmental and property damage;

•operating limitations that may be imposed by environmental or other regulatory requirements;

•labor disputes;

•information technology or financial and billing system failures, including those due to the implementation and integration of new technology, that impair our information technology infrastructure, reporting systems or disrupt normal business operations;

•failure to obtain in a timely manner and at reasonable prices the necessary fuel, such as coal and natural gas, building materials or other items needed to operate our facilities;

•information technology failure that affects our ability to access customer information or causes us to lose confidential or proprietary data that materially and adversely affects our reputation or exposes us to legal claims; and

•catastrophic events such as fires, earthquakes, explosions, leaks, floods, droughts, hurricanes, ice storms, flooding, terrorism, wildfires, pandemic health events or other similar occurrences, including any environmental impacts related thereto, which catastrophic events may require participation in mutual assistance efforts by us or other utilities to assist in power restoration efforts.

Such events may result in a decrease or elimination of revenue from our facilities, an increase in the cost of operating our facilities or delays in cash collections, any of which could have a material adverse effect on our financial condition, results of operations and cash flows.

Our revenues and results of operations are seasonal.

A significant portion of Houston Electric’s revenues is derived from rates that it collects from each REP based on the amount of electricity it delivers on behalf of such REP. Similarly, Indiana Electric’s revenues are derived from rates it charges its customers to provide electricity. Natural Gas’ revenues are primarily derived from natural gas sales. Consequently, Houston Electric’s, Indiana Electric’s and Natural Gas’ revenues and results of operations are subject to seasonality, weather conditions and other changes in electricity and natural gas usage, as applicable. Houston Electric’s revenues are generally higher during the warmer months. As in certain past years, unusually mild weather in the warmer months could diminish Houston Electric’s results of operations and harm its financial condition. Conversely, as in certain past years, extreme warm weather conditions could increase Houston Electric’s results of operations in a manner that would not likely be annually recurring. A significant portion of Indiana Electric’s sales are for space heating and cooling. Consequently, as in certain past years, Indiana Electric’s results of operations may be adversely affected by warmer-than-normal heating season weather or colder-than-normal cooling season weather, while more extreme seasonal weather conditions could increase Indiana Electric’s results of operations in a manner that would not likely be annually recurring. Natural Gas’ revenues are customarily higher during the winter months. As in certain past years, unusually mild weather in the winter months could diminish Natural Gas’ results of operations and harm its financial condition. Conversely, as occurred in certain past years, extreme cold weather conditions could increase its results of operations in a manner that would not likely be annually recurring. For information related to our weather hedges, see Note 9(a) to the consolidated financial statements. For additional risks related to the February 2021 Winter Storm Event, see “—The February 2021 Winter Storm...” below and Note 7 to the consolidated condensed financial statements for further information.

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Climate change could adversely impact financial results from our businesses and result in more frequent and more severe weather events that could adversely affect our results of operations.

A changing climate creates uncertainty and could result in broad changes, both physical and financial in nature, to our service territories and our business. If climate changes occur that result in warmer temperatures than normal in our service territories, financial results from our businesses could be adversely impacted. For example, where natural gas is used to heat homes and businesses, warmer weather might result in less natural gas being used, adversely affecting us. Another possible result of climate change is more frequent and more severe weather events, such as hurricanes, tornadoes and severe winter weather conditions, including ice storms, all of which may impact our operations and ability to serve our customers. To the extent the frequency and severity of extreme weather events increases, our costs of providing service may increase, including the costs and availability of procuring insurance related to such impacts, and those costs may not be recoverable. Further, events of extreme weather could make it unsafe or hinder the effectiveness of our employees to fix, maintain and restore power to affected areas and could harm our reputation. Since certain of our facilities are located along or near the Texas gulf coast, increased or more severe hurricanes or tornadoes could increase our costs to repair damaged facilities and restore service to our customers. Our electric and Natural Gas operations in our service territories were both also impacted by the February 2021 Winter Storm Event. In the long term, climate change could also cause shifts in population, including customers moving away from our service territories. When we cannot deliver electricity or natural gas to customers or our customers cannot receive our services, our financial results are impacted by lost revenues, and we generally must seek approval from regulators to recover restoration costs. To the extent we are unable to recover those costs, or if recovery of such costs results in higher rates and reduced demand for our services, our future financial results may be adversely impacted. Any such decreased energy use may also require us to retire current infrastructure that is no longer needed. Similarly, public and private efforts to address climate change, such as by legislation, regulation, actions by private interest groups, and litigation, could impact our ability to continue operating our businesses as we do today, significant aspects of which rely on fossil fuels. These initiatives could have a significant impact on us and our operations as well as on our third party suppliers, vendors and partners, which could impact us by among other things, causing permitting and construction delays, project cancellations or increased project costs passed on to us. In September 2021, CenterPoint Energy announced its new net zero emission goals for Scope 1 and 2 emissions by 2035 and a 20-30% reduction in Scope 3 emissions by 2035 as compared to 2021 levels. Finally, we may be subject to climate change litigation, which could result in substantial fines, penalties or damages and restrictions on our operations. The oil and gas industry has already faced such litigation, challenging its marketing and use of fossil fuels and attributing climate change to emissions resulting from the use of fossil fuels, and other industries, including ours, could face such litigation in the future. For more information, see Note 7 to the consolidated financial statements, “— The February 2021 Winter Storm...” and “— CenterPoint Energy is subject to operational and financial risks...”

Aging infrastructure may lead to increased costs and disruptions in operations that could negatively impact our financial results.

We have risks associated with aging infrastructure assets, including the failure of equipment or processes and potential breakdowns due to such aging. The age of certain of our assets may result in a need for replacement or higher level of maintenance costs because of our risk based federal and state compliant integrity management programs.  Failure to achieve timely and full recovery of these expenses could adversely impact revenues and could result in increased capital expenditures or expenses. In addition, the nature of information available on aging infrastructure assets may make inspections, maintenance, upgrading and replacement of the assets particularly challenging. Also, our ability to successfully maintain or replace our aging infrastructure may be delayed or be at a greater cost than anticipated due to supply chain disruptions. Further, with respect to Natural Gas’ operations, if certain pipeline replacements (for example, cast-iron or bare steel pipe) are not completed timely or successfully, government agencies and private parties might allege the uncompleted replacements caused events such as fires, explosions or leaks. Although we maintain insurance for certain of our facilities, our insurance coverage may not be sufficient in the event that a catastrophic loss is alleged to have been caused by a failure to timely complete equipment replacements. Insufficient insurance coverage and increased insurance costs could adversely impact our financial condition, results of operations and cash flows. Finally, aging infrastructure may complicate our utility operations ability to address climate change concerns and efforts to enhance resiliency and reliability. See “— Continued disruptions to the supply...”

Our businesses will continue to have to adapt to technological change and may not be successful or may have to incur significant expenditures to adapt to technological change.

We operate businesses that require sophisticated data collection, processing systems, software and other technology. Some of the technologies supporting the industries we serve are changing rapidly and increasing in complexity. New technologies will emerge or grow that may be superior to, or may not be compatible with, some of our existing technologies, and may require us to make significant investments and expenditures so that we can continue to provide cost-effective and reliable methods for energy production and delivery. Among such technological advances are distributed generation resources (e.g., private solar,

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microturbines, fuel cells), energy storage devices and more energy-efficient buildings and products designed to reduce energy consumption and waste. As these technologies become a more cost-competitive option over time, whether through cost effectiveness or government incentives and subsidies, certain customers may choose to meet their own energy needs and subsequently decrease usage of our systems and services, including Indiana Electric’s generating facilities becoming less competitive and economical. Further, certain regulatory and legislative bodies have introduced or are considering requirements and/or incentives to reduce energy consumption by certain dates. Additionally, technological advances driven by federal laws mandating new levels of energy efficiency in end-use electric and natural gas devices or other improvements in or applications of technology could lead to declines in per capita energy consumption.

Our future success will depend, in part, on our ability to anticipate and adapt to these technological changes in a cost-effective manner, to offer, on a timely basis, reliable services that meet customer demands and evolving industry standards, and to recover all, or a significant portion of, any unrecovered investment in obsolete assets. If we fail to adapt successfully to any technological change or obsolescence, fail to obtain access to important technologies or incur significant expenditures in adapting to technological change, or if implemented technology does not operate as anticipated, our businesses, financial condition, results of operations and cash flows could be materially and adversely affected.

Our potential business strategies and strategic initiatives, including merger and acquisition activities and the disposition of assets or businesses, may not be completed or perform as expected, adversely affecting our financial condition, results of operations and cash flows.

Our financial condition, results of operations and cash flows depend, in part, on our management’s ability to implement our business strategies successfully and realize the anticipated benefits therefrom. From time to time we have made, and may continue to make, acquisitions or divestitures of businesses and assets, such as our recently completed sale of our Natural Gas businesses in Arkansas and Oklahoma and the recently completed Enable Merger and subsequent sale of Energy Transfer Common Units and Energy Transfer Series G Preferred Units, form joint ventures or undertake restructurings. However, suitable acquisition candidates or potential buyers may not continue to be available on terms and conditions we find acceptable, or the expected benefits of completed acquisitions or dispositions may not be realized fully or at all, or may not be realized in the anticipated timeframe. If we are unable to make acquisitions, or if those acquisitions do not perform as anticipated, our future growth may be adversely affected. Further, any completed or future acquisitions involve substantial risks, including the following:

•acquired businesses or assets may not produce revenues, earnings or cash flow at anticipated levels;

•acquired businesses or assets could have environmental, permitting or other problems for which contractual protections prove inadequate;

•we may assume liabilities that were not disclosed to us, that exceed our estimates, or for which our rights to indemnification from the seller are limited;

•we may be unable to integrate acquired businesses successfully and realize anticipated economic, operational and other benefits in a timely manner, which could result in substantial costs and delays or other operational, technical or financial problems; and

•acquisitions, or the pursuit of acquisitions, could disrupt our ongoing businesses, distract management, divert resources and make it difficult to maintain current business standards, controls and procedures.    

We are exposed to risks related to reduction in energy consumption due to factors such as changes in customers’ perceptions from incidents of other utilities involving natural gas pipelines.

Our businesses are affected by reduction in energy consumption due to factors including economic, climate and market conditions in our service territories, energy efficiency initiatives, use of alternative technologies and changes in our customers’ perceptions regarding natural gas usage as a result of incidents of other utilities involving natural gas pipelines, which could impact our ability to grow our customer base and our rate of growth. Growth in customer accounts and growth of customer usage each directly influence demand for electricity and natural gas and the need for additional delivery facilities. Customer growth and customer usage are affected by a number of factors outside our control, such as mandated energy efficiency measures, demand-side management goals, distributed generation resources and economic and demographic conditions, including population changes, job and income growth, housing starts, new business formation and the overall level of economic activity. Declines in demand for electricity and natural gas in our service territories due to pipeline incidents of other utilities, increased electricity and natural gas prices as experienced during the February 2021 Winter Storm Event and economic downturns, among other factors, could reduce overall usage and lessen cash flows, especially as industrial customers reduce production and, therefore, consumption of electricity and natural gas. Although Houston Electric’s and Indiana Electric’s transmission and distribution businesses are subject to regulated allowable rates of return and recovery of certain costs under periodic adjustment clauses, overall declines in electricity delivered and used as a result of economic downturn or recession

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could reduce revenues and cash flows, thereby diminishing results of operations. A reduction in the rate of economic, employment and/or population growth could result in lower growth and reduced demand for and usage of electricity and natural gas in such service territories. Some or all of these factors could result in a lack of growth or decline in customer demand for electricity or natural gas or number of customers and may result in our failure to fully realize anticipated benefits from significant capital investments and expenditures, which could have a material adverse effect on our financial condition, results of operations and cash flows.

General Risk Factors Affecting Our Businesses

Cyberattacks, physical security breaches, acts of terrorism or other disruptions could adversely impact our reputation, financial condition, results of operations and cash flows.

We are subject to cyber and physical security risks related to adversaries attacking information technology systems, network infrastructure, technology and facilities used to conduct almost all of our businesses, which includes, among other things, (i) managing operations and other business processes and (ii) protecting sensitive information maintained in the normal course of business. For example, the operation of our electric generation, transmission and distribution systems are dependent on not only physical interconnection of our facilities but also on communications among the various components of our systems and third-party systems. This reliance on information and communication between and among those components has increased since deployment of the intelligent grid, smart devices and operational technologies across our businesses. Further, certain of the various internal systems we use to conduct our businesses are highly integrated. Consequently, a cyberattack or unauthorized access in any one of these systems could potentially impact the other systems. Similarly, our business operations are interconnected with external networks and facilities. For example, the operation of an efficient deregulated wholesale and retail electric market in Texas mandates communication with ERCOT, and competitive retailers; and our Indiana Electric organization has a similar relationship with MISO. Also, the distribution of natural gas to our customers requires communications with third-party systems. Disruption of those communications, whether caused by physical disruption such as storms or other natural disasters, by failure of equipment or technology or by manmade events, such as cyberattacks or acts of terrorism, may disrupt our ability to conduct operations and control assets.

Cyberattacks, including phishing attacks and threats from the use of malicious code such as malware, ransomware and viruses, and unauthorized access could also result in the loss, or unauthorized use, of confidential, proprietary or critical infrastructure data or security breaches of other information technology systems that could disrupt operations and critical business functions, adversely affect reputation, increase costs and subject us to possible legal claims and liability. While we have implemented and maintain a cybersecurity program designed to protect our information technology, operational technology, and data systems from such attacks, our cybersecurity program does not prevent all breaches or cyberattack incidents. We have experienced an increase in the number of attempts by external parties to access our networks or our company data without authorization. We have experienced, and expect to continue to experience, cyber intrusions and attacks to our information systems and those of third parties, including vendors, suppliers, contractors and quasi government entities, like ERCOT and MISO, who perform certain services for us or administer and maintain our sensitive information. The risk of a disruption or breach of our operational systems, or the compromise of the data processed in connection with our operations, through cybersecurity breach or ransomware attack has increased as attempted attacks have advanced in sophistication and number around the world. We are not fully insured against all cybersecurity risks, any of which could adversely affect our reputation and could have a material adverse effect on our financial condition, results of operations and cash flows.

We depend on the secure operations of our physical assets to transport the energy we deliver and our information technology to process, transmit and store electronic information, including information and operational technology we use to safely operate our energy transportation systems. Security breaches or acts of terrorism could expose our business to a risk of loss, misuse or interruption of critical physical assets or information and functions that affect our operations, as well as potential data privacy breaches and loss of protected personal information. Such losses could result in operational impacts, damage to our assets, public or personal safety incidents, damage to the environment, reputational harm, competitive disadvantage, regulatory enforcement actions, litigation and a potential material adverse effect on our operations, financial condition, results of operations and cash flows. There is no certainty that costs incurred related to securing against security threats will be completely recoverable through rates.

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Compliance with and changes in cybersecurity laws and regulations have a cost and operational impact on our business, and failure to comply with such requirements could adversely impact our reputation, financial condition, results of operations and cash flows.

Cyberattacks are becoming more sophisticated, and U.S. government warnings have indicated that infrastructure assets, including pipelines and electric generation and infrastructure, may be specifically targeted by certain groups. In the second and third quarters of 2021, the TSA announced two new security directives in response to a ransomware attack on the Colonial Pipeline that occurred in 2021. These directives require critical pipeline owners to comply with mandatory reporting measures, designate a cybersecurity coordinator, provide vulnerability assessments, and ensure compliance with certain cybersecurity requirements. We may be required to expend significant additional resources and costs to respond to cyberattacks, to continue to modify or enhance our protective measures, or to assess, investigate and remediate any critical infrastructure security vulnerabilities. There is no certainty that such costs incurred will be recovered through rates. Any failure to remain in compliance with these government regulations or failure in our cybersecurity protective measures may result in enforcement actions which may have a material adverse effect on our reputation, financial condition, results of operations and cash flows.

Failure to maintain the security of personally identifiable information could adversely affect us.

In connection with our businesses, we and our vendors, suppliers and contractors collect and retain personally identifiable information (for example, information of our customers, shareholders, suppliers and employees), and there is an expectation that we and such third parties will adequately protect that information. The regulatory environment surrounding information security and data privacy is increasingly demanding. New laws and regulations governing data privacy and the unauthorized disclosure of confidential information pose increasingly complex compliance challenges and elevate our costs. Any failure by us to comply with these laws and regulations, including as a result of a security or privacy breach, could result in significant costs, fines and penalties and liabilities for us. While we have implemented and maintain a data privacy program designed to protect personal information from any attacks, our data privacy programs does not prevent all security or privacy breaches. Some of our third party vendors who maintain personally identifiable information have experienced a breach of their data privacy. A significant theft, loss or fraudulent use of the personally identifiable information we maintain or failure of our vendors, suppliers and contractors to use or maintain such data in accordance with contractual provisions and other legal requirements could adversely impact our reputation and could result in significant costs, fines and penalties and liabilities for us. Additionally, if we acquire a company that has violated or is not in compliance with applicable data protection laws, we may incur significant liabilities and penalties as a result.

Our insurance coverage may not be sufficient. Insufficient insurance coverage and increased insurance costs could adversely impact our financial condition, results of operations and cash flows.

We currently have insurance in place, such as general liability and property insurance, to cover certain of our facilities in amounts that we consider appropriate. Such policies are subject to certain limits and deductibles and do not include business interruption coverage. Insurance coverage may not be available in the future at current costs or on commercially reasonable terms, and the insurance proceeds received for any loss of, or any damage to, any of our facilities may not be sufficient to fully cover or restore the loss or damage without negative impact on our financial condition, results of operations and cash flows. Costs, damages and other liabilities related to recent events and incidents that affected other utilities, such as wildfires, winter storms and explosions, among other things, have exceeded or could exceed such utilities’ insurance coverage. Further, as a result of these recent events and incidents, the marketplace for insurance coverage to utility companies may be unavailable or limited in capacity or any such available coverage may be deemed by us to be cost prohibitive under current conditions. Insurance premiums for any such coverage, if available, may not be eligible for recovery, whether in full or in part, by us through the rates charged by our utility businesses.

In common with other companies in its line of business that serve coastal regions, Houston Electric does not have insurance covering its transmission and distribution system, other than substations, because Houston Electric believes it to be cost prohibitive and insurance capacity to be limited. Historically, Houston Electric has been able to recover the costs incurred in restoring its transmission and distribution properties following hurricanes or other disasters through issuance of storm restoration bonds or a change in its regulated rates or otherwise. In the future, any such recovery may not be granted. Therefore, Houston Electric may not be able to restore any loss of, or damage to, any of its transmission and distribution properties without negative impact on its financial condition, results of operations and cash flows.

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We face risks related to COVID-19 and other health epidemics and outbreaks, including economic, regulatory, legal, workforce and cyber security risks, which could adversely impact our financial condition, results of operations, cash flows and liquidity.

The COVID-19 pandemic continues to evolve and adversely affect current global economic activities and conditions. An extended slowdown of economic growth, decreased demand for commodities and/or material changes in governmental or regulatory policy in the United States has resulted in, and could continue to result in, lower growth and reduced demand for and usage of electricity and natural gas in our service territories, particularly among our commercial and industrial customers, as customer facilities close, remain closed or potentially close again. The ability of our customers, contractors and suppliers to meet their obligations to us, including payment obligations, has also been negatively affected under the current economic conditions and previously resulted in an increase to allowance for credit losses. To the extent these conditions in our service territories persist, our bad debt expense from uncollectible accounts could continue to increase, negatively impacting our financial condition, results of operations and cash flows. REPs have and could continue to encounter financial difficulties, including bankruptcies, which could impair their ability to pay for Houston Electric’s services or could cause them to delay such payments, adversely affecting Houston Electric’s cash flows and liquidity. Additionally, our state and local regulatory agencies, in response to a federal mandate or otherwise, could impose restrictions on the rates we charge to provide our services, including the inability to implement approved rates, or delay actions with respect to our rate cases and filings. The COVID-19 pandemic may affect our ability to timely satisfy regulatory requirements such as recordkeeping and/or timely reporting requirements. For further information on COVID-19 regulatory matters, please see Note 7 to the consolidated financial statements, which information is incorporated herein by reference.

Additionally, various federal, state, and local governmental entities continue to pass legislation, issue orders, and take other measures to respond to the COVID-19 pandemic, including vaccination, testing and masking requirements. Some of these governmental requirements conflict with others presenting challenges to businesses like ours in interpreting, implementing, and complying with them. Governmental requirements have also been subject to challenges in litigation, such as OSHA’s Emergency Temporary Standard, mandating vaccination for certain employers, which was recently withdrawn by OSHA after being stayed by the Supreme Court of the United States.

With respect to our supply chain, to the extent we experience such disruptions in our supply chain that limit our ability to obtain materials and equipment necessary for our businesses, whether through delayed order fulfillment, limited production or unavailability due to COVID-19, we may be unable to perform our operations timely or as anticipated, which could result in service or construction delays, project cancellations or increased costs. Furthermore, in the event key officers or a substantial portion of our workforce were to be impacted by COVID-19 for an extended period of time, we may face challenges with respect to our services or operations and we may not be able to execute our capital plan as anticipated. There is considerable uncertainty regarding the extent to which COVID-19 and its variants will continue to spread, even with the availability of a vaccine therefor, and the extent and duration of governmental and other measures implemented to try to slow the spread of COVID-19 and variants, such as large-scale travel bans and restrictions, border closures, quarantines, shelter-in-place orders and business and government shutdowns. Restrictions of this nature have caused, and may continue to cause, us, our suppliers and other business counterparties to experience operational delays, shortages of employees, materials and equipment, facility shutdowns or business closures. As appropriate, based on conditions, we have modified certain business and workforce practices (including those related to employee travel, employee work locations and participation in meetings, events and conferences) to conform to government restrictions and best practices encouraged by governmental and regulatory authorities. However, the quarantine of personnel or the inability to access our facilities or customer sites could adversely affect our operations. While certain of our personnel have been, and may continue to be, quarantined, our operations and corporate functions have not been significantly adversely affected to date. As of the date of this Form 10-K, the vast majority of our workforce works from their regular work locations. As appropriate, we have adjusted our operational protocols to minimize exposure and risk to our field personnel, customers and the communities we serve, while continuing to maintain the work activities necessary for safe and reliable service to our customers. Even with increased safety precautions, we cannot assure that such adjustments and precautions will be sufficient to minimize exposure to and risk from COVID-19. Also, we have a limited number of highly skilled employees for some of our operations. If a large proportion of our employees in those critical positions were to contract COVID-19 at the same time, we would rely upon our business continuity plans in an effort to continue operations at our facilities, but there is no certainty that such measures will be sufficient to mitigate the adverse impact to our operations that could result from shortages of highly skilled employees. Additionally, in the event that customers, contractors, employees or others were to allege that they contracted COVID-19 because of actions we took or failed to take, we could face claims, lawsuits and potential legal liability. In addition to the reasonableness of our actions and efforts to comply with applicable COVID-19 guidance, our exposure and ultimate liability would depend upon the applicability of workers’ compensation, the availability of insurance coverage and limitations on liability being considered or enacted at the state and federal level. For more information, see “— Continued disruptions to the supply...”

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Experts have observed an increase in the volume and the sophistication of cyberattacks since the beginning of the COVID-19 pandemic. Any technology system breaches and/or data privacy incidents could disrupt our operations or result in the loss or exposure of confidential or sensitive customer, employee or company information and adversely affect our business, financial condition and results of operations. For those employees and third-party service providers who continue to work remotely, we face heightened cyber security and privacy risks related to unauthorized system access, aggressive social engineering tactics and adversaries attacking the information technology systems, network infrastructure, technology and facilities used to conduct our business. The increase in the remote working arrangements of our employees initially as a result of the COVID-19 pandemic required enhancements and modifications to our information technology infrastructure (for example, virtual private network, or VPN, and remote collaboration systems), and any failures of these technologies, including third-party service providers, that facilitate working remotely could limit our ability to conduct our ordinary operations and expose us to increased risk or impact of a cyberattack. See “— Cyberattacks, physical security breaches, acts...”

We will continue to monitor developments affecting our employees, customers and operations. At this time, however, we cannot predict the extent or duration of the COVID-19 pandemic or its future effects on national, state and local economies, including the impact on our ability to access capital markets, our supply chain, our business strategies and plans and our workforce, nor can we estimate the potential adverse impact from COVID-19 on our financial condition, results of operations, cash flows and liquidity. Other future epidemics and outbreaks may result in potential adverse impacts similar to, or worse than, those from COVID-19.

Our success depends upon our ability to attract, effectively transition, motivate and retain key employees and identify and develop talent to succeed senior management.

We depend on senior executive officers and other key personnel. Our success depends on our ability to attract, effectively transition and retain key personnel. Further tightening of the labor market and increasing wages to attract and retain key personnel may adversely affect our ability to attract and retain key personnel. The inability to recruit and retain or effectively transition key personnel or the unexpected loss of key personnel may adversely affect our operations. In addition, because of the reliance on our management team, our future success depends in part on our ability to identify and develop talent to succeed senior management. The retention of key personnel and appropriate senior management succession planning will continue to be critically important to the successful implementation of our strategies.

Failure to attract and retain an appropriately qualified workforce and maintain good labor relations could adversely impact the operations of our facilities and our results of operations.

Our businesses are dependent on recruiting, retaining and motivating employees. Like many companies in the utilities industry and other industries, we have experienced higher than normal turnover of employees as a result of a number of factors, including the COVID-19 pandemic, a tightening labor market, increasing remote working opportunities, employees shifting industries, individuals deciding not to work and a maturing workforce. Certain circumstances, such as an aging workforce without appropriate replacements, a mismatch of existing skillsets to future needs, or the unavailability of contract resources may lead to operating challenges such as a lack of resources, loss of knowledge or a lengthy time period associated with skill development. Our costs, including costs to replace employees, productivity costs and safety costs, may rise. Failure to hire and adequately train replacement employees, including the transfer of significant internal historical knowledge and expertise to the new employees, or the future availability and cost of contract labor may adversely affect the ability to manage and operate our businesses, particularly the specialized skills and knowledge required to construct and operate generation facilities, a technology-enabled power grid and transmission and distribution facilities, among other facilities. If we are unable to successfully attract and retain an appropriately qualified workforce, our ability to execute on our 10-year capital plan and our results of operations could be negatively affected.

Furthermore, the operations of our facilities depends on good labor relations with our employees, and several of our businesses have in place collective bargaining agreements with different labor unions, comprising approximately 37% of our workforce. We have several separate bargaining units, each with a unique collective bargaining agreement described further in Note 8(j) to the consolidated financial statements, which information is incorporated herein by reference. The collective bargaining agreements with USW Locals 13-227, USW Locals 13-1 and IBEW Local 702 related to Natural Gas and CenterPoint Energy employees are scheduled to expire in June 2022, July 2022 and June 2022, respectively, and negotiations of these agreements are expected to be completed before the respective expirations. Any failure to reach an agreement on new labor contracts or to negotiate these labor contracts might result in strikes, boycotts or other labor disruptions. These potential labor disruptions could have a material adverse effect on our businesses, results of operations and/or cash flows. Labor disruptions, strikes or significant negotiated wage and benefit increases, whether due to union activities, employee turnover or otherwise, could have a material adverse effect on our businesses, results of operations and cash flows.

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Changing demographics, poor investment performance of pension plan assets and other factors adversely affecting the calculation of pension liabilities could unfavorably impact our financial condition, results of operations and liquidity.

CenterPoint Energy and its subsidiaries maintain qualified defined benefit pension plans covering certain of its employees. Costs associated with these plans are dependent upon a number of factors including the investment returns on plan assets, the level of interest rates used to calculate the funded status of the plan, contributions to the plan, the number of plan participants and government regulations with respect to funding requirements and the calculation of plan liabilities. Funding requirements may increase and CenterPoint Energy may be required to make unplanned contributions in the event of a decline in the market value of plan assets, a decline in the interest rates used to calculate the present value of future plan obligations, or government regulations that increase minimum funding requirements or the pension liability. In addition to affecting CenterPoint Energy’s funding requirements, these factors could adversely affect our financial condition, results of operations and liquidity.

We may be significantly affected by changes in federal income tax laws and regulations, including any comprehensive federal tax reform legislation.

Our businesses are impacted by U.S. federal income tax policy. Under the current administration with the Senate and House of Representatives controlled by the Democratic Party, comprehensive federal tax reform legislation could be enacted that may significantly change the federal income tax laws applicable to domestic businesses, including changes that may increase the federal income tax rate and impact investment incentives and deductions for depreciation and interest, among other deductions. While CenterPoint Energy and its subsidiaries cannot assess the overall impact of any such potential legislation on our businesses, it is possible that our financial condition, results of operations or cash flows could be negatively impacted. Furthermore, with any enacted federal tax reform legislation, it is uncertain how state commissions and local municipalities may require us to respond to the effects of such tax legislation, including determining the treatment of EDIT and other increases and decreases in our revenue requirements. As such, potential regulatory actions in response to any enacted tax legislation could adversely affect our financial condition, results of operations and cash flows.

We are involved in numerous legal proceedings, the outcomes of which are uncertain, and resolutions adverse to us could negatively affect our financial results.

The Registrants are subject to numerous legal proceedings, the most significant of which are summarized in Note 16 to the consolidated financial statements to the Registrants’ respective consolidated financial statements. Litigation is subject to many uncertainties, and recent trends suggest that jury verdicts and other liability have been increasing, and the Registrants cannot predict the outcome of all matters with assurance. Additionally, under some circumstances, the Registrants could potentially have claims filed against them or incur liabilities associated with assets and businesses no longer owned by them as a result of sales, divestitures or other transfers to third parties who may be unable to fulfill their indemnity obligations to the Registrants. Final resolution of these matters, or any potential future claims or liabilities, may require additional expenditures over an extended period of time that may be in excess of established insurance or reserves and may have a material adverse effect on the Registrants’ financial results.

Our businesses may be adversely affected by the intentional misconduct of our employees.

We are committed to living our core values of safety, integrity, accountability, initiative and respect and complying with all applicable laws and regulations. Despite that commitment and efforts to prevent misconduct, it is possible for employees to engage in intentional misconduct, fail to uphold our core values, and violate laws and regulations for individual gain through contract or procurement fraud, misappropriation, bribery or corruption, fraudulent related-party transactions and serious breaches of our Ethics and Compliance Code and other policies. If such intentional misconduct by employees should occur, it could result in substantial liability, higher costs, increased regulatory scrutiny and negative public perceptions, any of which could have a material adverse effect on our financial condition, results of operations and cash flows. From time to time, including as part of our Ethics and Compliance program’s efforts to detect misconduct, we become aware of and expect to continue to become aware of instances of employee misconduct, which we investigate, remediate and disclose as appropriate and proportionate to the incident.

Item 1B.Unresolved Staff Comments

None.

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Item 2.Properties

The following discussion is based on the Registrants’ businesses as of December 31, 2021.

Character of Ownership

We lease or own our principal properties in fee, including our corporate office space and various real property. Most of our electric lines and natural gas mains are located, pursuant to easements and other rights, on public roads or on land owned by others.

Electric (CenterPoint Energy and Houston Electric)

Properties

All of Houston Electric’s properties are located in Texas. Its properties consist primarily of high-voltage electric transmission lines and poles, distribution lines, substations, service centers, service wires, telecommunications network and meters. Most of Houston Electric’s transmission and distribution lines have been constructed over lands of others pursuant to easements or along public highways and streets under franchise agreements and as permitted by law.

All real and tangible properties of Houston Electric, subject to certain exclusions, are currently subject to:

•the lien of a Mortgage and Deed of Trust (the Mortgage) dated November 1, 1944, as supplemented; and

•the lien of a General Mortgage (the General Mortgage) dated October 10, 2002, as supplemented, which is junior to the lien of the Mortgage.

No first mortgage bonds are outstanding under the Mortgage and Houston Electric is contractually obligated to not issue any additional first mortgage bonds under the Mortgage and is undertaking actions to release the lien of the Mortgage. For information related to debt outstanding under the General Mortgage, see Note 14 to the consolidated financial statements.

Indiana Electric’s properties are primarily located in Indiana. They consist of transmission lines in Indiana and Kentucky, distribution lines, substations, service centers, coal-fired generating facilities, gas-fired turbine peaking units, a landfill gas electric generation project and solar generation facilities.

All real and tangible properties of Indiana Electric, subject to certain exclusions, are currently subject to:

•the lien of the First Mortgage Indenture dated as of April 1, 1932, between SIGECO (Indiana Electric) and Bankers Trust Company, as Trustee, and Deutsche Bank, as successor Trustee, as supplemented by various supplemental indentures.

Electric Lines - Transmission and Distribution. As of December 31, 2021, Houston Electric and Indiana Electric owned and operated the following electric transmission and distribution lines:

	Houston Electric		Indiana Electric
Description	Overhead Lines	Underground Lines	Indiana	Kentucky (1)
Transmission lines:	(in Circuit Miles)
69 kV	216	2	564	—
138 kV	2,260	24	411	9
345 kV	1,445	—	63	15
Total	3,921	26	1,038	24
	(in Circuit Miles)
Distribution lines	29,753	27,172	4,614	2,546

(1)These assets interconnect with Louisville Gas and Electric Company’s transmission system at Cloverport, Kentucky and with Big Rivers Electric Cooperative at Sebree, Kentucky.

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Generating Capacity. As of December 31, 2021, Indiana Electric had 1,217 MW of installed generating capacity, as set forth in the following table.

Generation Source	Unit No.	Location	Date in Service	Capacity (MW)
Coal
A.B. Brown	1	Posey County	1979	245
A.B. Brown	2	Posey County	1986	245
F.B. Culley	2	Warrick County	1966	90
F.B. Culley	3	Warrick County	1973	270
Warrick (1)	4	Warrick County	1970	150
Total Coal Capacity				1,000
Gas
Brown (2)	3	Posey County	1991	80
Brown	4	Posey County	2002	80
Renewable Landfill Gas		Pike County	2009	3
Total Gas Capacity				163
Solar
Oak Hill		Evansville, Indiana	2018	2
Volkman		Evansville, Indiana	2018	2
Troy		Spencer County	2021	50
Total Solar Capacity				54
Total Generating Capacity (3)				1,217

(1)SIGECO and AGC own a 300 MW unit at the Warrick Power Plant as tenants in common.

(2)Brown Unit 3 is also equipped to burn oil.

(3)Excludes 1.5% participation in OVEC. See Item 1. Business for more details.

Mobile Generation. As allowed by a new law enacted by the Texas legislature after the February 2021 Winter Storm Event, Houston Electric is now leasing mobile generation facilities that can provide temporary emergency electric energy that can aid in restoring power to customers during certain widespread power outages that are impacting its distribution system. In 2021, Houston Electric entered into two leases for mobile generation: (1) a temporary short-term basis lease initially for 125 MW and that expanded to 220 MW by December 31, 2021 and (2) a 7.5 year lease for up to 505 MW of mobile generation, of which 125 MW was delivered as of December 31, 2021.

Substations.  As of December 31, 2021, Houston Electric owned 239 major substation sites having a total installed rated transformer capacity of 71,241 Mva. As of December 31, 2021, Indiana Electric’s transmission system also includes 33 substations with an installed capacity of approximately 4,555 Mva. In addition, Indiana Electric’s distribution system includes 77 distribution substations with an installed capacity of approximately 2,137 Mva and 56,973 distribution transformers with an installed capacity of 2,580 Mva.

Service Centers.  As of December 31, 2021, Houston Electric operated 13 regional service centers located on a total of 320 acres of land and Indiana Electric operated 6 regional service centers located on a total of 50 acres of land. These service centers consist of office buildings, warehouses and repair facilities that are used in the business of transmitting and distributing electricity.

Natural Gas (CenterPoint Energy and CERC)

As of December 31, 2021, CenterPoint Energy’s and CERC’s Natural Gas owned approximately 100,000 and 78,000 linear miles of natural gas distribution and transmission mains, respectively, varying in size from one-half inch to 24 inches in diameter. CenterPoint Energy’s Natural Gas in Indiana and Ohio includes approximately 22,000 miles of distribution and transmission mains, all of which are located in Indiana and Ohio except for pipeline facilities extending from points in northern Kentucky to points in southern Indiana so that gas may be transported to Indiana and sold or transported to customers in Indiana. Generally, in each of the cities, towns and rural areas served by CenterPoint Energy’s and CERC’s Natural Gas, they

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own the underground gas mains and service lines, metering and regulating equipment located on customers’ premises and the district regulating equipment necessary for pressure maintenance. With a few exceptions, the measuring stations at which CenterPoint Energy’s and CERC’s Natural Gas receives gas are owned, operated and maintained by others, and their distribution facilities begin at the outlet of the measuring equipment. These facilities, including odorizing equipment, are usually located on land owned by suppliers.

As of December 31, 2021, CEIP owned and operated over 285 miles of intrastate pipeline in Louisiana, Texas and Oklahoma.

Item 3.Legal Proceedings

For a discussion of material legal and regulatory proceedings affecting the Registrants as of December 31, 2021, please read “Business — Regulation” and “Business — Environmental Matters” in Item 1 of this report, “Management’s Discussion and Analysis of Financial Condition and Results of Operations — Liquidity and Capital Resources — Regulatory Matters” in Item 7 of this report and Note 16(e) to the consolidated financial statements, which information is incorporated herein by reference.

Item 4.Mine Safety Disclosures

Not applicable.

PART II

This combined Form 10-K is filed separately by three registrants: CenterPoint Energy, Houston Electric and CERC.

Item 5.Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities

CenterPoint Energy

As of February 15, 2022, CenterPoint Energy’s common stock was held by approximately 24,985 shareholders of record. CenterPoint Energy’s common stock is listed on the NYSE and Chicago Stock Exchange and is traded under the symbol “CNP.”

The amount of future cash dividends will be subject to determination based upon CenterPoint Energy’s financial condition and results of operations, future business prospects, any applicable contractual restrictions and other factors that CenterPoint Energy’s Board of Directors considers relevant and will be declared at the discretion of CenterPoint Energy’s Board of Directors. For further information on CenterPoint Energy’s dividends, see Note 13 to the consolidated financial statements.

Repurchases of Equity Securities

During the quarter ended December 31, 2021, none of CenterPoint Energy’s equity securities registered pursuant to Section 12 of the Securities Exchange Act of 1934 were purchased by or on behalf of CenterPoint Energy or any “affiliated purchasers,” as defined in Rule 10b-18(a)(3) under the Securities Exchange Act of 1934.

Houston Electric

As of February 15, 2022, all of Houston Electric’s 1,000 outstanding common shares were held by Utility Holding, LLC, a wholly-owned subsidiary of CenterPoint Energy.

CERC

As of February 15, 2022, all of CERC Corp.’s 1,000 outstanding shares of common stock were held by Utility Holding, LLC, a wholly-owned subsidiary of CenterPoint Energy.

Item 6.        Selected Financial Data (CenterPoint Energy)

Not applicable.

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Item 7.Management’s Discussion and Analysis of Financial Condition and Results of Operations

No Registrant makes any representations as to the information related solely to CenterPoint Energy or the subsidiaries of CenterPoint Energy other than itself.

The following combined discussion and analysis should be read in combination with the consolidated financial statements included in Item 8 herein. When discussing CenterPoint Energy’s consolidated financial information, it includes the results of Houston Electric and CERC, which, along with CenterPoint Energy, are collectively referred to as the Registrants. Where appropriate, information relating to a specific registrant has been segregated and labeled as such. Unless the context indicates otherwise, specific references to Houston Electric and CERC also pertain to CenterPoint Energy. In this combined Form 10-K, the terms “our,” “we” and “us” are used as abbreviated references to CenterPoint Energy, Inc. together with its consolidated subsidiaries.

OVERVIEW

Background

CenterPoint Energy, Inc. is a public utility holding company. CenterPoint Energy’s operating subsidiaries own and operate electric transmission, distribution and generation and natural gas distribution facilities, and provide energy performance contracting and sustainable infrastructure services. For a detailed description of CenterPoint Energy’s operating subsidiaries and discontinued operations, please read Note 1 to the consolidated financial statements.

Houston Electric is an indirect, wholly-owned subsidiary of CenterPoint Energy that provides electric transmission service to transmission service customers in the ERCOT region and distribution service to REPs serving the Texas gulf coast area that includes the city of Houston.

CERC Corp. is an indirect, wholly-owned subsidiary of CenterPoint Energy that owns and operates natural gas distribution facilities in several states, with operating subsidiaries that own and operate permanent pipeline connections through interconnects with various interstate and intrastate pipeline companies.

Reportable Segments

In this Management’s Discussion and Analysis, we discuss our results from continuing operations on a consolidated basis and individually for each of our reportable segments, which are listed below. We also discuss our liquidity, capital resources and critical accounting policies. We are first and foremost an energy delivery company and it is our intention to remain focused on these segments of the energy business. The results of our business operations are significantly impacted by weather, customer growth, economic conditions, cost management, competition, rate proceedings before regulatory agencies and other actions of the various regulatory agencies to whose jurisdiction we are subject, among other factors.

As of December 31, 2021, CenterPoint Energy’s reportable segments were Electric and Natural Gas.

•The Electric reportable segment includes electric transmission and distribution services that are subject to rate regulation in Houston Electric’s and Indiana Electric’s service territories, as well as the impacts of generation-related stranded costs and other true-up balances recoverable by the regulated electric utility and energy delivery services to electric customers and electric generation assets to serve electric customers and optimize those assets in the wholesale power market in Indiana Electric’s service territory. For further information about the Electric reportable segment, see “Business — Our Business — Electric” in Item 1 of Part I of this report.

•The Natural Gas reportable segment includes natural gas distribution services that are subject to rate regulation in CenterPoint Energy’s and CERC’s service territories, as well as home appliance maintenance and repair services to customers in Minnesota and home repair protection plans to natural gas customers in Arkansas, Indiana, Mississippi, Ohio, Oklahoma and Texas through a third party as of December 31, 2021. For further information about the Natural Gas reportable segment, see “Business — Our Business — Natural Gas” in Item 1 of Part I of this report.

CenterPoint Energy’s Corporate and Other includes office buildings and other real estate used for business operations, energy performance contracting and sustainable infrastructure services and other corporate support operations.

Houston Electric and CERC each consist of a single reportable segment.

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EXECUTIVE SUMMARY

We expect our businesses to continue to be affected by the key factors and trends discussed below. Our expectations are based on assumptions made by us and information currently available to us. To the extent our underlying assumptions about, or interpretations of, available information prove to be incorrect, our actual results may vary materially from our expected results.

Factors Influencing Our Businesses and Industry Trends

We are an energy delivery company. The majority of our revenues are generated from the transmission and delivery of electricity and the sale of natural gas by our subsidiaries.

As announced in December 2020, our business strategy incorporated the Business Review and Evaluation Committee’s recommendations to increase our planned capital expenditures in our electric and natural gas businesses to support rate base growth and sell certain of our Natural Gas businesses located in Arkansas and Oklahoma as a means to efficiently finance a portion of such increased capital expenditures. The sale of our Natural Gas businesses in Arkansas and Oklahoma was completed in January 2022. See Note 4 to the consolidated financial statements for further details.

In February 2021, we announced our support for the Enable Merger, which closed in December 2021. At our September 2021 analyst day, we announced our plans to exit the midstream sector by the end of 2022 and become a pure-play utility focusing on growth in our existing service territories. In September 2021, we entered into a Forward Sale Agreement to sell 50 million Energy Transfer Common Units immediately following the closing of the Enable Merger. In December 2021, we completed sales of 150 million Energy Transfer Common Units (inclusive of the Energy Transfer Common Units sold pursuant to the Forward Sale Agreement) and 192,390 Energy Transfer Series G Preferred Units for net proceeds of $1,320 million. See Note 12 to the consolidated financial statements for further details.

The regulation of natural gas pipelines and related facilities by federal and state regulatory agencies affects CenterPoint Energy’s and CERC’s businesses. In accordance with natural gas pipeline safety and integrity regulations, CenterPoint Energy and CERC are making, and will continue to make, significant capital investments in their service territories, which are necessary to help operate and maintain a safe, reliable and growing natural gas system. CenterPoint Energy’s and CERC’s compliance expenses may also increase as a result of preventative measures required under these regulations. Consequently, new rates in the areas they serve are necessary to recover these increasing costs.

To assess our financial performance, our management primarily monitors recovery of costs and return on investments by the evaluation of net income and cash flows, among other things, from our regulated service territories within our reportable segments. Within these broader financial measures, we monitor margins, natural gas and fuel costs, interest expense, capital spending working capital requirements, and operation and maintenance expense. In addition to these financial measures, we also monitor a number of variables that management considers important to gauge the performance of our reportable segments, including the number of customers, throughput, use per customer, commodity prices, heating and cooling degree days, environmental impacts, safety factors, system reliability and customer satisfaction.

The nature of our businesses requires significant amounts of capital investment, particularly in light of our new 10-year capital plan, and we rely on internally generated cash, borrowings under our credit facilities, proceeds from commercial paper and issuances of debt and equity in the capital markets to satisfy these capital needs. Proceeds from future dispositions of Energy Transfer Common Units or Energy Transfer Series G Preferred Units could reduce borrowings or provide additional support for our capital investment needs. With respect to CERC, we intend to use proceeds from the completed dispositions of our Natural Gas businesses in Arkansas and Oklahoma and any potential further asset sales to satisfy a portion of its capital needs. We strive to maintain investment grade ratings for our securities to access the capital markets on terms we consider reasonable. A reduction in our ratings generally would increase our borrowing costs for new issuances of debt, as well as borrowing costs under our existing revolving credit facilities, and may prevent us from accessing the commercial paper markets. Disruptions in the financial markets can also affect the availability of new capital on terms we consider attractive. In those circumstances, we may not be able to obtain certain types of external financing or may be required to accept terms less favorable than they would otherwise accept. For that reason, we seek to maintain adequate liquidity for our businesses through existing credit facilities and prudent refinancing of existing debt.

To the extent adverse economic conditions, including supply chain disruptions, affect our suppliers and customers, results from our energy delivery businesses may suffer. Each state has a unique economy and is driven by different industrial sectors. Our largest customers reflect the diversity in industries in the states across our footprint. For example, Houston Electric is largely concentrated in Houston, Texas, a diverse economy where a higher percentage of employment is tied to the energy sector relative to other regions of the country. Although the Houston area represents a large part of our customer base, we have

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a diverse customer base throughout the various states our utility businesses serve. In Minnesota, for instance, education and health services are the state’s largest sectors. Indiana and Ohio are impacted by changes in the Midwest economy in general and changes in particular industries concentrated in the Midwest such as automotive, feed and grain processing. Some industries are driven by population growth like education and health care, while others may be influenced by strength in the national or international economy.

Further, the global supply chain has experienced significant disruptions due to a multitude of factors, such as labor shortages, resource availability, long lead times, inflation and weather. These disruptions have adversely impacted the utility industry. Like many of our peers, we have experienced disruptions to our supply chain and may continue to experience such disruptions in the future. For example, we, along with the developer of the project, recently announced plans to downsize the solar array to be built in Posey County, Indiana from 300 MW to 200 MW due to supply chain issues experienced in the energy industry, rising cost of commodities and community feedback. For more information, see Note 16 to the consolidated financial statements.

Also, adverse economic conditions, coupled with concerns for protecting the environment and increased availability of alternate energy sources, may cause consumers to use less energy or avoid expansions of their facilities, including natural gas facilities, resulting in less demand for our services. Long-term national trends indicate customers have reduced their energy consumption, which could adversely affect our results. However, due to more affordable energy prices and continued economic improvement in the areas we serve, the trend toward lower usage has slowed. To the extent population growth is affected by lower energy prices and there is financial pressure on some of our customers who operate within the energy industry, there may be an impact on the growth rate of our customer base and overall demand. Lower interest rates have helped single family housing starts in the Houston and Minneapolis to exceed growth in previous years. Multifamily residential customer growth is affected by the cyclical nature of apartment construction. A new construction cycle in Houston helped overall residential customer growth to surpass the long-term trend of 2% for the last two years. Management expects residential meter growth for Houston Electric to remain in line with long term trends at approximately 2%. Typical customer growth in the jurisdictions served by the Natural Gas reportable segment is approximately 1%. Management expects residential meter growth for CERC to remain in line with long term trends at approximately 1%.

Significant Events

Sale of Natural Gas Businesses. On April 29, 2021, CenterPoint Energy, through its subsidiary CERC Corp., entered into an Asset Purchase Agreement to sell its Arkansas and Oklahoma Natural Gas businesses for $2.15 billion in cash, including recovery of approximately $425 million in gas cost, including storm-related incremental natural gas costs incurred in the February 2021 Winter Storm Event, subject to certain adjustments set forth in the Asset Purchase Agreement. The sale closed on January 10, 2022. On August 31, 2021, CenterPoint Energy, through its subsidiary CERC Corp., completed the sale of MES to Last Mile Energy. For further information, see Note 4 to the consolidated financial statements.

Net Zero Emission Goals. In September 2021, CenterPoint Energy announced new net zero emission goals for both Scope 1 and certain Scope 2 emissions by 2035 as well as a goal to reduce certain Scope 3 emissions by 20% to 30% by 2035. For more information regarding CenterPoint Energy’s new net zero emission goals and the risks associated with them, see “Risk Factors — Risk Factors Affecting Our Businesses — CenterPoint Energy is subject to operational and financial risks...” and “Management’s Discussion and Analysis — Liquidity and Capital Resources” in this Form 10-K.

February 2021 Winter Storm Event. In February 2021, portions of the United States experienced an extreme and unprecedented winter weather event that resulted in corresponding electricity generation shortages, including in Texas, natural gas shortages and increased wholesale prices of natural gas in the United States. Many customers of Houston Electric’s REPs and, to a lesser extent, of CERC, were severely impacted by outages in electricity and natural gas delivery during the February 2021 Winter Storm Event. As a result of this weather event, the governors of Texas, Oklahoma and Louisiana declared states of either disaster or emergencies in their respective states. Subsequently, President Biden also approved major disaster declarations for all or parts of Texas, Oklahoma and Louisiana.

The February 2021 Winter Storm Event resulted in financial impacts to CenterPoint Energy, Houston Electric and CERC, including substantial increases in prices for natural gas, decreased revenues at Houston Electric due to ERCOT-mandated outages, additional interest expense related to external financing to pay for natural gas working capital, significant impacts to the REPs, including the REPs’ ability to pay invoices from Houston Electric, increases in bad debt expense, issues with counterparties and customers, litigation and investigations or inquiries from government or regulatory agencies and entities, and other financial impacts. CenterPoint Energy does not, at this time, anticipate long-term financial impacts associated with the February 2021 Winter Storm Event, including changes to its credit profile, credit ratings or liquidity, given the regulatory mechanisms that are in place in our jurisdictions to recover the extraordinary expenses. CenterPoint Energy is, however,

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continuing to work with individual regulatory agencies to reach a successful final resolution on the recovery of the extraordinary costs. For more information regarding regulatory impacts, debt transactions and litigation, see Notes 7, 14 and 16 to the consolidated financial statements and “—Liquidity and Capital Resources —Future Sources and Uses of Cash” and “—Regulatory Matters” below.

Enable Merger Agreement. On February 16, 2021, Enable entered into the Enable Merger Agreement. On December 2, 2021, the Enable Merger closed pursuant to the Enable Merger Agreement. At the closing of the Enable Merger, CenterPoint Energy transferred 100% of the Enable Common Units and Enable Series A Preferred Units it owned in exchange for Energy Transfer Common Units and Energy Transfer Series G Preferred Units, respectively. In December 2021, we completed sales of approximately 75% of the acquired Energy Transfer Common Units and 50% of Energy Transfer Series G Preferred Units for net proceeds of $1,320 million. For more information, see Notes 4, 11 and 12 to the consolidated financial statements.

Debt Transactions. In 2021, CenterPoint Energy, Houston Electric and CERC issued a combined $4.5 billion in new debt and repaid or redeemed a combined $2.7 billion of debt, excluding scheduled principal payments on Securitization Bonds. Additionally, on January 31, 2022, CERC Corp. redeemed $425 million aggregate principal amount of CERC’s outstanding senior notes due 2023. For further information about debt transactions in 2021 and to date in 2022, see Note 12 to the consolidated financial statements.

Preferred Stock Conversions. For information regarding preferred stock conversions in 2021, see Note 19 to the consolidated financial statements.

Regulatory Proceedings. For information related to our pending and completed regulatory proceedings in 2021 and to date in 2022, see “—Liquidity and Capital Resources —Regulatory Matters” below.

Board of Directors Governance Structure. On July 22, 2021, CenterPoint Energy announced the decision of the independent directors of the Board to implement a new independent Board leadership and governance structure and appointed a new independent chair of the Board. To implement this new governance structure, the independent directors of the Board eliminated the Executive Chairman position. For further information, see Note 8 to the consolidated financial statements.

CERTAIN FACTORS AFFECTING FUTURE EARNINGS

Our past earnings and results of operations are not necessarily indicative of our future earnings and results of operations. The magnitude of our future earnings and results of our operations will depend on or be affected by numerous factors that apply to all Registrants unless otherwise indicated including:

•CenterPoint Energy’s business strategies and strategic initiatives, restructurings, joint ventures and acquisitions or dispositions of assets or businesses, including the completed sale of our Natural Gas businesses in Arkansas and Oklahoma, which we cannot assure will have the anticipated benefits to us, our planned sales of our remaining Energy Transfer common and preferred equity securities, which we cannot assure will be completed or will have the anticipated benefits to us;

•industrial, commercial and residential growth in our service territories and changes in market demand, including the demand for our non-utility products and services and effects of energy efficiency measures and demographic patterns;

•our ability to fund and invest planned capital and the timely recovery of our investments, including those related to Indiana Electric’s generation transition plan as part of its most recent IRP;

•our ability to successfully construct and operate electric generating facilities, including complying with applicable environmental standards and the implementation of a well-balanced energy and resource mix, as appropriate;

•the development of new opportunities and the performance of projects undertaken by Energy Systems Group, which are subject to, among other factors, the level of success in bidding contracts and cancellation and/or reductions in the scope of projects by customers, and obligations related to warranties, guarantees and other contractual and legal obligations;

•the recording of impairment charges;

•timely and appropriate rate actions that allow recovery of costs and a reasonable return on investment, including the timing and amount of the recovery of Houston Electric’s mobile generation leases;

•future economic conditions in regional and national markets and their effect on sales, prices and costs;

•weather variations and other natural phenomena, including the impact of severe weather events on operations and capital, such as impacts from the February 2021 Winter Storm Event;

•the ability of REPs, including REP affiliates of NRG and Vistra Energy Corp., to satisfy their obligations to CenterPoint Energy and Houston Electric, including the negative impact on such ability related to COVID-19;

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•the COVID-19 pandemic and its effect on our operations, business and financial condition, our industries and the communities we serve, U.S. and world financial markets and supply chains, potential regulatory actions and changes in customer and stakeholder behaviors relating thereto;

•volatility in the markets for oil and natural gas as a result of, among other factors, the actions of certain crude-oil exporting countries and the Organization of Petroleum Exporting Countries, increasing exports of LNG to Europe and climate change concerns, including the increasing adoption and use of alternative energy sources;

•state and federal legislative and regulatory actions or developments affecting various aspects of our businesses, including, among others, energy deregulation or re-regulation, pipeline integrity and safety and changes in regulation and legislation pertaining to trade, health care, finance and actions regarding the rates charged by our regulated businesses;

•direct or indirect effects on our facilities, resources, operations and financial condition resulting from terrorism, cyber attacks or intrusions, data security breaches or other attempts to disrupt our businesses or the businesses of third parties, or other catastrophic events such as fires, ice, earthquakes, explosions, leaks, floods, droughts, hurricanes, tornadoes and other severe weather events, pandemic health events or other occurrences;

•tax legislation, including the effects of the CARES Act and of the TCJA (which includes but is not limited to any potential changes to tax rates, tax credits and/or interest deductibility), as well as any changes in tax laws under the current administration, and uncertainties involving state commissions’ and local municipalities’ regulatory requirements and determinations regarding the treatment of EDIT and our rates;

•our ability to mitigate weather impacts through normalization or rate mechanisms, and the effectiveness of such mechanisms;

•actions by credit rating agencies, including any potential downgrades to credit ratings;

•matters affecting regulatory approval, legislative actions, construction, implementation of necessary technology or other issues with respect to major capital projects that result in delays or cancellation or in cost overruns that cannot be recouped in rates;

•local, state and federal legislative and regulatory actions or developments relating to the environment, including, among others, those related to global climate change, air emissions, carbon, waste water discharges and the handling and disposal of CCR that could impact operations, cost recovery of generation plant costs and related assets, and CenterPoint Energy’s net zero emission goals;

•the impact of unplanned facility outages or other closures;

•the sufficiency of our insurance coverage, including availability, cost, coverage and terms and ability to recover claims;

•the availability and prices of raw materials and services and changes in labor for current and future construction projects and operations and maintenance costs, including our ability to control such costs;

•the investment performance of CenterPoint Energy’s pension and postretirement benefit plans;

•changes in interest rates and their impact on costs of borrowing and the valuation of CenterPoint Energy’s pension benefit obligation;

•commercial bank and financial market conditions, our access to capital, the cost of such capital, and the results of our financing and refinancing efforts, including availability of funds in the debt capital markets;

•changes in rates of inflation;

•inability of various counterparties to meet their obligations to us;

•non-payment for our services due to financial distress of our customers;

•the extent and effectiveness of our risk management and hedging activities, including, but not limited to financial and weather hedges;

•timely and appropriate regulatory actions, which include actions allowing securitization, for any future hurricanes or other severe weather events, or natural disasters or other recovery of costs;

•acquisition and merger activities involving us or our competitors, including the ability to successfully complete merger, acquisition and divestiture plans;

•our ability to recruit, effectively transition and retain management and key employees and maintain good labor relations;

•changes in technology, particularly with respect to efficient battery storage or the emergence or growth of new, developing or alternative sources of generation, and their adoption by consumers;

•the impact of alternate energy sources on the demand for natural gas;

•the timing and outcome of any audits, disputes and other proceedings related to taxes;

•the effective tax rates;

•political and economic developments, including energy and environmental policies under the Biden administration;

•the transition to a replacement for the LIBOR benchmark interest rate;

•CenterPoint Energy’s ability to execute on its initiatives, targets and goals, including its net zero emission goals and its operations and maintenance expenditure goals;

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•the outcome of litigation, including litigation related to the February 2021 Winter Storm Event;

•the effect of changes in and application of accounting standards and pronouncements; and

•other factors discussed in “Risk Factors” in Item 1A of this report and in other reports that the Registrants file from time to time with the SEC.

CENTERPOINT ENERGY CONSOLIDATED RESULTS OF OPERATIONS

CenterPoint Energy’s results of operations are affected by seasonal fluctuations in the demand for electricity and natural gas. CenterPoint Energy’s results of operations are also affected by, among other things, the actions of various governmental authorities having jurisdiction over rates its subsidiaries charge, debt service costs, income tax expense, its subsidiaries ability to collect receivables from REPs and customers and its ability to recover its regulatory assets. For information regarding factors that may affect the future results of our consolidated operations, please read “Risk Factors” in Item 1A of Part I of this report.

Income (loss) available to common shareholders for the years ended December 31, 2021, 2020 and 2019 was as follows:

	Year Ended December 31,						Favorable (Unfavorable)
	2021		2020		2019 (1)		2021 to 2020		2020 to 2019
	(in millions)
Electric	$	475	$	230	$	419	$	245	$	(189)
Natural Gas	403		278		251		125		27
Total Utility Operations	878		508		670		370		(162)
Corporate & Other (2)	(305)		(201)		(272)		(104)		71
Discontinued Operations	818		(1,256)		276		2,074		(1,532)
Total CenterPoint Energy	$	1,391	$	(949)	$	674	$	2,340	$	(1,623)

(1)Includes only February 1, 2019 through December 31, 2019 results of acquired electric and natural gas businesses due to the Merger.

(2)Includes energy performance contracting and sustainable infrastructure services through Energy Systems Group, unallocated corporate costs, interest income and interest expense, intercompany eliminations and the reduction of income allocated to preferred shareholders.

2021 Compared to 2020

Net Income.  CenterPoint Energy reported income available to common shareholders of $1,391 million for 2021 compared to a loss available to common shareholders of $949 million for 2020.

The increase in income available to common shareholders of $2,340 million was primarily due to the following key factors:

•an increase in earnings from discontinued operations primarily related to the Enable Merger discussed further in Note 4 to the consolidated financial statements and the 2020 impairment in Enable discussed further in Notes 10 and 11 to the consolidated financial statements;

•goodwill impairment at Indiana Electric in 2020;

•the dividend requirement and amortization of beneficial conversion feature associated with Series C Preferred Stock in 2020; and

•favorable income tax impacts in 2021, partially offset by the CARES Act in 2020.

These increases were partially offset by:

•losses on the sale of Energy Transfer Common Units and Energy Transfer Series G Preferred Units in 2021;

•make-whole premiums on debt redeemed in 2021; and

•the impact of the Board-implemented governance changes announced in July 2021.

Excluding those items, income available to common shareholders increased $191 million primarily due to the following key factors:

•rate relief, net of increases in depreciation and amortization and taxes other than income taxes;

•reduced impact of COVID-19;

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•continued customer growth; and

•reduced interest expense.

2020 Compared to 2019

Net Income.  CenterPoint Energy reported a loss available to common shareholders of $949 million for 2020 compared to income available to common shareholders of $674 million for 2019.

The decrease in income available to common shareholders of $1,623 million was primarily due to the following key factors:

•a decrease in earnings from discontinued operations as a result of the 2020 impairment in Enable discussed further in Note 10 and 11 to the consolidated financial statements;

•goodwill impairment at Indiana Electric in 2020; and

•the dividend requirement and amortization of beneficial conversion feature associated with Series C Preferred Stock in 2020

These decreases were partially offset by the CARES Act in 2020.

Excluding those items, income available to common shareholders increased $115 million primarily due to the following key factors:

•rate relief, net of increases in depreciation and amortization and taxes other than income taxes;

•continued customer growth;

•operation and maintenance expense discipline; and

•the impact of twelve months in 2020 versus eleven months in 2019 for businesses acquired in the Merger.

These increases were partially offset by the impact of COVID-19.

Discontinued Operations. In September 2021, CenterPoint Energy’s equity investment in Enable met the held for sale criteria. On December 2, 2021, Enable completed the previously announced Enable Merger pursuant to the Enable Merger Agreement entered into on February 16, 2021. CenterPoint Energy’s plan to exit its Midstream Investment reportable segment in 2022 represents a strategic shift to CenterPoint Energy. Therefore, the assets and liabilities associated with the equity investment in Enable are reflected as discontinued operations on CenterPoint Energy’s Statements of Consolidated Income, and the December 31, 2020 Consolidated Balance Sheet was required to be recast for assets held for sale. For further information, see Note 4 to the consolidated financial statements.

On February 3, 2020, CenterPoint Energy, through its subsidiary VUSI, entered into the Securities Purchase Agreement to sell the Infrastructure Services Disposal Group. Accordingly, the previously reported Infrastructure Services reportable segment has been eliminated. The transaction closed on April 9, 2020. For further information, see Note 4 to the consolidated financial statements.

Additionally, on February 24, 2020, CenterPoint Energy, through its subsidiary CERC Corp., entered into the Equity Purchase Agreement to sell the Energy Services Disposal Group. Accordingly, the previously reported Energy Services reportable segment has been eliminated. The transaction closed on June 1, 2020. For further information, see Note 4 to the consolidated financial statements.

Income Tax Expense. For a discussion of effective tax rate per period, see Note 15 to the consolidated financial statements.

CENTERPOINT ENERGY’S RESULTS OF OPERATIONS BY REPORTABLE SEGMENT

CenterPoint Energy’s CODM views net income as the measure of profit or loss for the reportable segments. Segment results include inter-segment interest income and expense, which may result in inter-segment profit and loss.

The following discussion of results of operations by reportable segment concentrates on CenterPoint Energy’s Utility Operations, conducted through two reportable segments, Electric and Natural Gas. CenterPoint Energy’s formerly reported Midstream Investments reportable segment results are now included in discontinued operations. For additional information regarding the Midstream Investments reportable segment, see Notes 4, 10, 11 and 18 to the consolidated financial statements.

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ELECTRIC

The following table provides summary data of CenterPoint Energy’s Electric reportable segment:

	Year Ended December 31,									Favorable (Unfavorable)
	2021			2020			2019 (1)			2021 to 2020			2020 to 2019
	(in millions, except throughput, weather and customer data)
Revenues	$	3,763		$	3,470		$	3,519		$	293		$	(49)
Cost of revenues (2)	186			147			149			(39)			2
Revenues less cost of revenues	3,577			3,323			3,370			254			(47)
Expenses:
Operation and maintenance	1,780			1,697			1,649			(83)			(48)
Depreciation and amortization	756			670			746			(86)			76
Taxes other than income taxes	268			268			261			—			(7)
Goodwill Impairment (3)	—			185			—			185			(185)
Total expenses	2,804			2,820			2,656			16			(164)
Operating Income	773			503			714			270			(211)
Other Income (Expense):
Interest and other finance charges	(226)			(220)			(225)			(6)			5
Other income (expense), net	23			19			26			4			(7)
Income before income taxes	570			302			515			268			(213)
Income tax expense	95			72			96			(23)			24
Net income	$	475		$	230		$	419		$	245		$	(189)
Throughput (in GWh):
Residential	32,067			32,630			31,605			(2)		%	3		%
Total	103,000			98,647			96,866			4		%	2		%
Weather (percentage of normal weather for service area):
Cooling degree days	108		%	109		%	109		%	(1)		%	—		%
Heating degree days	82		%	76		%	96		%	6		%	(20)		%
Number of metered customers at end of period:
Residential	2,493,832			2,433,474			2,372,135			2		%	3		%
Total	2,814,859			2,749,116			2,682,228			2		%	2		%

(1)Includes only February 1, 2019 through December 31, 2019 results of acquired electric businesses due to the Merger.

(2)Includes Utility natural gas, fuel and purchased power.

(3)For information related to the 2020 goodwill impairment at the Indiana Electric reporting unit, see Note 6 to the consolidated financial statements.

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The following table provides variance explanations by major income statement caption for the Electric reportable segment:

	Favorable (Unfavorable)
	2021 to 2020		2020 to 2019
	(in millions)
Revenues less Cost of revenues
Transmission Revenues, including TCOS and TCRF and impact of the change in rate design, inclusive of costs billed by transmission providers, partially offset in operation and maintenance below	$	254	$	363
Bond Companies, offset in other line items below	52		(124)
Customer growth	32		37
Impacts on usage from COVID-19	28		(40)
Energy efficiency, partially offset in operation and maintenance below	12		5
Equity return, related to the annual true-up of transition charges for amounts over or under collected in prior periods	9		(14)
Impacts from increased peak demand in the prior year, collected in rates in the current year	6		19
Miscellaneous revenues, primarily related to service connections and off-system sales	4		11
Pass-through revenues, offset in operation and maintenance below	2		2
AMS, offset in depreciation and amortization below	—		(3)
Twelve months in 2020 versus eleven months in 2019 for Indiana Electric due to Merger	—		34
Refund of protected and unprotected EDIT, offset in income tax expense	(8)		(31)
Weather, efficiency improvements and other usage impacts, excluding impact of COVID-19	(57)		(17)
Customer rates and impact of the change in rate design	(80)		(289)
Total	$	254	$	(47)
Operation and maintenance
Transmission costs billed by transmission providers, offset in revenues less cost of revenues above	$	(90)	$	(61)
All other operation and maintenance expense, including materials and supplies and insurance	(8)		14
Pass through expenses, offset in revenues less cost of revenues above	(3)		(2)
Bond Companies, offset in other line items	(1)		1
Energy efficiency program costs	(1)		—
Contract services	—		12
Twelve months in 2020 versus eleven months in 2019 for Indiana Electric due to Merger	—		(17)
Support services	1		(13)
Labor and benefits	9		(2)
Merger related expenses, primarily severance and technology	10		20
Total	$	(83)	$	(48)
Depreciation and amortization
Bond Companies, offset in other line items	$	(58)	$	116
Ongoing additions to plant-in-service	(28)		(31)
AMS, offset by revenues less cost of revenues above	—		(1)
Twelve months in 2020 versus eleven months in 2019 for Indiana Electric due to Merger	—		(8)
Total	$	(86)	$	76
Taxes other than income taxes
Incremental capital projects placed in service	$	(2)	$	(4)
Twelve months in 2020 versus eleven months in 2019 for Indiana Electric	—		(1)
Franchise fees and other taxes	2		(2)
Total	$	—	$	(7)
Goodwill impairment
See Note 6 for further information	$	185	$	(185)
Total	$	185	$	(185)
Interest expense and other finance charges
Debt to fund incremental capital projects, and refinance maturing debt	$	(13)	$	(5)
Twelve months in 2020 versus eleven months in 2019 for Indiana Electric due to Merger	—		(2)
Bond Companies, offset in other line items above	7		12
Total	$	(6)	$	5
Other income (expense), net
Reduction to non-service benefit cost	$	5	$	17
Bond Companies, offset in other line items above	—		(4)
Investments in CenterPoint Energy Money Pool interest income	(1)		(20)
Total	$	4	$	(7)

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Income Tax Expense. For a discussion of effective tax rate per period by Registrant, see Note 15 to the consolidated financial statements.

NATURAL GAS

The following table provides summary data of CenterPoint Energy’s Natural Gas reportable segment:

	Year Ended December 31,									Favorable (Unfavorable)
	2021			2020			2019 (1)			2021 to 2020			2020 to 2019
	(in millions, except throughput, weather and customer data)
Revenues	$	4,336		$	3,631		$	3,750		$	705		$	(119)
Cost of revenues (2)	1,959			1,358			1,652			(601)			294
Revenues less Cost of revenues	2,377			2,273			2,098			104			175
Expenses:
Operation and maintenance	1,004			1,013			1,051			9			38
Depreciation and amortization	502			473			439			(29)			(34)
Taxes other than income taxes	253			237			206			(16)			(31)
Total expenses	1,759			1,723			1,696			(36)			(27)
Operating Income	618			550			402			68			148
Other Income (Expense)
Gain on sale	8			—			—			8			—
Interest expense and other finance charges	(141)			(153)			(144)			12			(9)
Other income (expense), net	(2)			6			(5)			(8)			11
Income from Continuing Operations Before Income Taxes	483			403			253			80			150
Income tax expense	80			125			2			45			(123)
Net Income	$	403		$	278		$	251		$	125		$	27
Throughput (in Bcf):
Residential	241			237			246			2		%	(4)		%
Commercial and industrial	428			439			458			(3)		%	(4)		%
Total Throughput	669			676			704			(1)		%	(4)		%
Weather (percentage of 10-year average for service area):
Heating degree days	91		%	91		%	101		%	—		%	(10)		%
Number of customers at end of period:
Residential	4,372,428			4,328,607			4,252,361			1		%	2		%
Commercial and industrial	354,602			349,725			349,749			1		%	—		%
Total	4,727,030			4,678,332			4,602,110			1		%	2		%

(1)Includes only February 1, 2019 through December 31, 2019 results of acquired natural gas businesses due to the Merger.

(2)Includes Utility natural gas, fuel and purchased power and Non-utility cost of revenues, including natural gas.

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The following table provides variance explanations by major income statement caption for the Natural Gas reportable segment:

	Favorable (Unfavorable)
	2021 to 2020		2020 to 2019
	(in millions)
Revenues less Cost of revenues
Customer rates and impact of the change in rate design, exclusive of the TCJA impact below	$	65	$	108
Impacts of COVID-19, including usage and other miscellaneous charges	16		(25)
Customer growth	13		20
Gross receipts tax, offset in taxes other than income taxes below	13		(6)
Weather and usage, excluding impacts from COVID-19	12		4
Twelve months in 2020 versus eleven months in 2019 in Indiana and Ohio jurisdictions	—		65
Non-volumetric and miscellaneous revenue, excluding impacts from COVID-19	—		15
Energy efficiency, offset in operation and maintenance below	(7)		(1)
Refund of protected and unprotected EDIT, offset in income tax expense	(8)		(5)
Total	$	104	$	175
Operation and maintenance
Support services and miscellaneous operations and maintenance expenses	$	16	$	(8)
Merger related expenses, primarily severance and technology	8		40
Energy efficiency, offset in revenues less cost of revenues above	7		1
Twelve months in 2020 versus eleven months in 2019 in Indiana and Ohio jurisdictions	—		(14)
Contract services	(3)		20
Labor and benefits, primarily due to headcount	(19)		(1)
Total	$	9	$	38
Depreciation and amortization
Incremental capital projects placed in service	$	(29)	$	(23)
Twelve months in 2020 versus eleven months in 2019 in Indiana and Ohio jurisdictions	—		(11)
Total	$	(29)	$	(34)
Taxes other than income taxes
Gross receipts tax, offset in revenues less cost of revenues above	$	(13)	$	6
Incremental capital projects placed in service	(3)		(31)
Twelve months in 2020 versus eleven months in 2019 in Indiana and Ohio jurisdictions	—		(6)
Total	$	(16)	$	(31)
Gain on Sale
Net gain on sale of MES	$	8	$	—
Total	$	8	$	—
Interest expense and other finance charges
Reduced interest rates on outstanding borrowings, partially offset by incremental borrowings for capital expenditures and make-whole premium	$	12	$	(9)
Total	$	12	$	(9)
Other income (expense), net
Other miscellaneous non-operating expenses, primarily due to non-service benefit cost	$	(10)	$	9
Money pool investments with CenterPoint Energy interest income	2		2
Total	(8)		11

Income Tax Expense. For a discussion of effective tax rate per period by Registrant, see Note 15 to the consolidated financial statements.

50

HOUSTON ELECTRIC CONSOLIDATED RESULTS OF OPERATIONS

Houston Electric’s CODM views net income as the measure of profit or loss for its reportable segment. Houston Electric consists of a single reportable segment. Houston Electric’s results of operations are affected by seasonal fluctuations in the demand for electricity. Houston Electric’s results of operations are also affected by, among other things, the actions of various governmental authorities having jurisdiction over rates Houston Electric charges, debt service costs, income tax expense, Houston Electric’s ability to collect receivables from REPs and Houston Electric’s ability to recover its regulatory assets. For information regarding factors that may affect the future results of Houston Electric’s consolidated operations, please read “Risk Factors” in Item 1A of Part I of this report.

	Year Ended December 31,									Favorable (Unfavorable)
	2021			2020			2019			2021 to 2020			2020 to 2019
	(in millions, except throughput, weather and customer data)
Revenues:
TDU	$	2,894		$	2,723		$	2,678		$	171		$	45
Bond Companies	240			188			312			52			(124)
Total revenues	3,134			2,911			2,990			223			(79)
Expenses:
Operation and maintenance, excluding Bond Companies	1,591			1,517			1,470			(74)			(47)
Depreciation and amortization, excluding Bond Companies	429			405			377			(24)			(28)
Taxes other than income taxes	251			252			247			1			(5)
Bond Companies	219			161			278			(58)			117
Total	2,490			2,335			2,372			(155)			37
Operating Income	644			576			618			68			(42)
Interest expense and other finance charges	(183)			(171)			(164)			(12)			(7)
Interest expense on Securitization Bonds	(21)			(28)			(39)			7			11
Other income, net	17			10			21			7			(11)
Income before income taxes	457			387			436			70			(49)
Income tax expense	76			53			80			(23)			27
Net income	$	381		$	334		$	356		$	47		$	(22)
Throughput (in GWh):
Residential	30,650			31,244			30,334			(2)		%	3		%
Total	96,898			93,768			92,180			3		%	2		%
Weather (percentage of 10-year average for service area):
Cooling degree days	109		%	110		%	106		%	(1)		%	4		%
Heating degree days	80		%	72		%	96		%	8		%	(24)		%
Number of metered customers at end of period:
Residential	2,359,168			2,303,315			2,243,188			2		%	3		%
Total	2,660,938			2,599,827			2,534,286			2		%	3		%

51

The following table provides variance explanations by major income statement caption for the Houston Electric T&D reportable segment:

	Favorable (Unfavorable)
	2021 to 2020		2020 to 2019
	(in millions)
Revenues
Transmission Revenues, including TCOS and TCRF and impact of the change in rate design, inclusive of costs billed by transmission providers	$	254	$	364
Bond Companies, offset in other line items below	52		(124)
Customer growth	31		35
Impacts on usage from COVID-19	19		(31)
Energy efficiency, partially offset in operation and maintenance below	12		5
Equity return, related to the annual true-up of transition charges for amounts over or under collected in prior periods	9		(14)
Impacts from increased peak demand in the prior year, collected in rates in the current year	6		19
AMS, offset in depreciation and amortization below	—		(3)
Miscellaneous revenues	(1)		7
Refund of protected and unprotected EDIT, offset in income tax expense	(8)		(32)
Weather impacts and other usage	(51)		(7)
Customer rates and impact of the change in rate design	(100)		(298)
Total	$	223	$	(79)
Operation and maintenance, excluding Bond Companies
Transmission costs billed by transmission providers, offset in revenues above	$	(90)	$	(61)
Contract services	(3)		6
All other operation and maintenance expense, including materials and supplies and insurance	(2)		14
Energy efficiency program costs, offset in revenues above	(1)		—
Support services	2		(6)
Merger related expenses, primarily severance and technology	9		2
Labor and benefits	11		(2)
Total	$	(74)	$	(47)
Depreciation and amortization, excluding Bond Companies
Ongoing additions to plant-in-service	$	(24)	$	(31)
AMS, offset by revenues	—		3
Total	$	(24)	$	(28)
Taxes other than income taxes
Franchise fees and other taxes	$	4	$	(1)
Incremental capital projects placed in service	(3)		(4)
Total	$	1	$	(5)
Bond Companies expense
Operations and maintenance and depreciation expense, offset by revenues above	$	(58)	$	117
Total	$	(58)	$	117
Interest expense and other finance charges
Debt to fund incremental capital projects, and refinance maturing debt	$	(12)	$	(7)
Total	$	(12)	$	(7)
Interest expense on Securitization Bonds
Lower outstanding principal balance, offset by revenues above	$	7	$	11
Total	$	7	$	11
Other income (expense), net
Reduction to non-service benefit cost	$	8	$	13
Bond Companies, offset by revenues above	—		(4)
Investments in CenterPoint Energy Money Pool interest income	(1)		(20)
Total	$	7	$	(11)

Income Tax Expense. For a discussion of effective tax rate per period, see Note 15 to the consolidated financial statements.

52

CERC CONSOLIDATED RESULTS OF OPERATIONS

CERC’s CODM views net income as the measure of profit or loss for its reportable segment. CERC consists of a single reportable segment. CERC’s results of operations are affected by seasonal fluctuations in the demand for natural gas. CERC’s results of operations are also affected by, among other things, the actions of various federal, state and local governmental authorities having jurisdiction over rates CERC charges, debt service costs and income tax expense, CERC’s ability to collect receivables from customers and CERC’s ability to recover its regulatory assets. For information regarding factors that may affect the future results of CERC’s consolidated operations, please read “Risk Factors” in Item 1A of Part I of this report.

	Year Ended December 31,									Favorable (Unfavorable)
	2021			2020			2019			2021 to 2020			2020 to 2019
	(in millions, except throughput, weather and customer data)
Revenues	$	3,248		$	2,763		$	3,018		$	485		$	(255)
Cost of Revenues (1)	1,532			1,117			1,430			(415)			313
Revenues less Cost of Revenues	1,716			1,646			1,588			70			58
Expenses:
Operation and maintenance	790			798			824			8			26
Depreciation and amortization	326			304			293			(22)			(11)
Taxes other than income taxes	193			182			161			(11)			(21)
Total expenses	1,309			1,284			1,278			(25)			(6)
Operating Income	407			362			310			45			52
Other Income (Expense)
Gain on sale	11			—			—			11			—
Interest expense and other finance charges	(103)			(111)			(116)			8			5
Other income (expense), net	(10)			(7)			(8)			(3)			1
Income from Continuing Operations Before Income Taxes	305			244			186			61			58
Income tax expense (benefit)	51			97			(3)			46			(100)
Income From Continuing Operations	254			147			189			107			(42)
Income (Loss) from Discontinued Operations (net of tax expense (benefit) of $—, $(2), and $17, respectively)	—			(66)			23			66			(89)
Net Income	$	254		$	81		$	212		$	173		$	(131)
Throughput (in BCF):
Residential	173			167			188			4		%	(11)		%
Commercial and industrial	264			260			292			2		%	(11)		%
Total Throughput	437			427			480			2		%	(11)		%
Weather (percentage of 10-year average for service area):
Heating degree days	92		%	91		%	101		%	1		%	(10)		%
Number of customers at end of period:
Residential	3,383,819			3,349,828			3,287,343			1		%	2		%
Commercial and industrial	264,843			260,400			260,872			2		%	—		%
Total	3,648,662			3,610,228			3,548,215			1		%	2		%

(1)Includes Utility natural gas and Non-utility cost of revenues, including natural gas.

Discontinued Operations. On February 24, 2020, CenterPoint Energy, through its subsidiary CERC Corp., entered into the Equity Purchase Agreement to sell the Energy Services Disposal Group. Accordingly, the previously reported Energy Services reportable segment has been eliminated. The transaction closed on June 1, 2020. For further information, see Note 4 to the consolidated financial statements.

53

The following table provides variance explanations by major income statement caption for CERC’s Natural Gas reportable segment:

	Favorable (Unfavorable)
	2021 to 2020		2020 to 2019
	(in millions)
Revenues less Cost of revenues
Customer rates and impact of the change in rate design, exclusive of the TCJA impact below	$	31	$	62
Impacts on usage from COVID-19	16		(22)
Gross receipts tax, offset in taxes other than income taxes below	13		(4)
Customer growth	9		14
Weather and usage, excluding impacts from COVID-19	8		2
Energy efficiency, offset in operation and maintenance below	1		(8)
Non-volumetric and miscellaneous revenue, excluding impacts from COVID-19	(1)		18
Refund of protected and unprotected EDIT, offset in income tax expense	(7)		(4)
Total	$	70	$	58
Operation and maintenance
Merger related expenses, primarily severance and technology	$	8	$	—
Support services and miscellaneous operations and maintenance expenses	8		(2)
Contracted services	1		24
Energy efficiency, offset in revenues less cost of revenues above	(1)		8
Labor and benefits, primarily due to headcount	(8)		(4)
Total	$	8	$	26
Depreciation and amortization
Incremental capital projects placed in service	$	(22)	$	(11)
Total	$	(22)	$	(11)
Taxes other than income taxes
Gross receipts tax, offset in revenues less cost of revenues above	$	(13)	$	4
Incremental capital projects placed in service	2		(25)
Total	$	(11)	$	(21)
Gain on Sale
Net gain on sale of MES	$	11	$	—
Total	$	11	$	—
Interest expense and other finance charges
Reduced interest rates on outstanding borrowings, partially offset by incremental borrowings for capital expenditures and make-whole premium	$	8	$	5
Total	$	8	$	5
Other income (expense), net
Other miscellaneous non-operating expenses, primarily due to non-service benefit cost	$	(4)	$	6
Money pool investments with CenterPoint Energy interest income	1		(5)
Total	$	(3)	$	1

Income Tax Expense. For a discussion of effective tax rate per period, see Note 15 to the consolidated financial statements.

54

LIQUIDITY AND CAPITAL RESOURCES

Historical Cash Flows

The net cash provided by (used in) operating, investing and financing activities for 2021, 2020 and 2019 is as follows:

	Year Ended December 31,
	2021						2020						2019
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Cash provided by (used in):
Operating activities	$	22	$	770	$	(1,440)	$	1,995	$	899	$	729	$	1,638	$	918	$	466
Investing activities	(1,851)		(1,617)		(859)		(1,265)		(564)		(452)		(8,421)		(1,495)		(662)
Financing activities	1,916		926		2,306		(834)		(416)		(278)		2,776		442		173

Operating Activities. The following items contributed to increased (decreased) net cash provided by operating activities:

	Year Ended December 31,
	2021 compared to 2020						2020 compared to 2019
	CenterPoint Energy		Houston  Electric		CERC		CenterPoint Energy		Houston  Electric		CERC
	(in millions)
Changes in net income after adjusting for non-cash items	$	2,098	$	203	$	88	$	(1,785)	$	(128)	$	9
Changes in working capital	(155)		(101)		(274)		811		61		355
Increase in regulatory assets (1)	(2,188)		(226)		(1,927)		(85)		37		(128)
Change in equity in earnings of unconsolidated affiliates	(1,767)		—		—		1,658		—		—
Change in distributions from unconsolidated affiliates (2) (3)	42		—		—		(148)		—		—
Higher pension contribution	25		—		—		23		—		—
Other	(28)		(5)		(56)		(117)		11		27
	$	(1,973)	$	(129)	$	(2,169)	$	357	$	(19)	$	263

(1)The increase in regulatory assets is primarily due to the incurred natural gas costs associated with the February 2021 Winter Storm Event. See Note 7 to the consolidated financial statements for more information on the February 2021 Winter Storm Event.

(2)In September 2021, CenterPoint Energy’s equity investment in Enable met the held for sale criteria and is reflected as discontinued operations on CenterPoint Energy’s Statements of Consolidated Income. For further information, see Notes 4 and 11 to the consolidated financial statements.

(3)This change is partially offset by the change in distributions from Enable in excess of cumulative earnings in investing activities noted in the table below.

55

Investing Activities. The following items contributed to (increased) decreased net cash used in investing activities:

	Year Ended December 31,
	2021 compared to 2020						2020 compared to 2019
	CenterPoint Energy		Houston  Electric		CERC		CenterPoint Energy		Houston  Electric		CERC
	(in millions)
Proceeds from the sale of equity securities	$	1,320	$	—	$	—	$	—	$	—	$	—
Acquisitions, net of cash acquired	—		—		—		5,991		—		—
Net change in capital expenditures	(568)		(561)		(80)		(90)		(33)		(39)
Transaction costs related to the Enable Merger	(49)		—		—		—		—		—
Cash received related to Enable Merger	5		—		—		—		—		—
Net change in notes receivable from unconsolidated affiliates	—		(481)		9		—		962		(123)
Change in distributions from Enable in excess of cumulative earnings (1)	(80)		—		—		38		—		—
Proceeds from divestitures	(1,193)		—		(343)		1,215		—		365
Other	(21)		(11)		7		2		2		7
	$	(586)	$	(1,053)	$	(407)	$	7,156	$	931	$	210

(1)In September 2021, CenterPoint Energy’s equity investment in Enable met the held for sale criteria and is reflected as discontinued operations on CenterPoint Energy’s Statements of Consolidated Income. For further information, see Notes 4 and 11 to the consolidated financial statements.

Financing Activities. The following items contributed to (increased) decreased net cash used in financing activities:

	Year Ended December 31,
	2021 compared to 2020						2020 compared to 2019
	CenterPoint Energy		Houston  Electric		CERC		CenterPoint Energy		Houston  Electric		CERC
	(in millions)
Net changes in commercial paper outstanding	$	1,893	$	—	$	582	$	(2,652)	$	—	$	(197)
Proceeds from issuances of preferred stock, net	(723)		—		—		723		—		—
Proceeds from issuance of Common Stock, net	(672)		—		—		672		—		—
Net changes in long-term debt outstanding, excluding commercial paper	2,450		415		1,481		(2,539)		(170)		(93)
Net changes in debt and equity issuance costs	(30)		(9)		(6)		12		5		(4)
Net changes in short-term borrowings	(27)		—		(27)		—		—		—
Decreased payment of Common Stock dividends	7		—		—		185		—		—
Decreased (increased) payment of Preferred Stock dividends	30		—		—		(19)		—		—
Payment of obligation for finance lease	(179)		(179)		—		—		—		—
Net change in notes payable from affiliated companies	—		496		224		—		9		—
Contribution from parent	—		68		(37)		—		(528)		88
Dividend to parent	—		551		80		—		(175)		40
Capital contribution to parent associated with the sale of CES	—		—		286		—		—		(286)
Other	1		—		1		8		1		1
	$	2,750	$	1,342	$	2,584	$	(3,610)	$	(858)	$	(451)

56

Future Sources and Uses of Cash

The Registrants expect that anticipated 2022 cash needs will be met with borrowings under their credit facilities, proceeds from the issuance of long-term debt, term loans or common stock, anticipated cash flows from operations, with respect to CenterPoint Energy and CERC, proceeds from commercial paper, and with respect to CenterPoint Energy, distributions from Energy Transfer or proceeds from future dispositions of Energy Transfer Common Units or Energy Transfer Series G Preferred Units, and, with respect to CERC, proceeds from any potential asset sales. Discretionary financing or refinancing may result in the issuance of equity securities of CenterPoint Energy or debt securities of the Registrants in the capital markets or the arrangement of additional credit facilities or term bank loans. Issuances of equity or debt in the capital markets, funds raised in the commercial paper markets and additional credit facilities may not, however, be available on acceptable terms.

Material Current and Long-term Cash Requirements. The liquidity and capital requirements of the Registrants are affected primarily by results of operations, capital expenditures, debt service requirements, tax payments, working capital needs and various regulatory actions. Capital expenditures are expected to be used for investment in infrastructure for electric and natural gas distribution operations. These capital expenditures are anticipated to maintain reliability and safety, increase resiliency and expand our systems through value-added projects. In addition to dividend payments on CenterPoint Energy’s Series A Preferred Stock and Common Stock, and in addition to interest payments on debt, the Registrants’ principal anticipated cash requirements for 2022 include the following:

	CenterPoint Energy		Houston Electric		CERC
	(in millions)
Estimated capital expenditures	$	3,490	$	1,780	$	1,233
Scheduled principal payments on Securitization Bonds	220		220		—
Maturing Houston Electric general mortgage bonds	300		300		—
Finance lease for mobile generation	496		496		—

The following table sets forth the Registrants’ estimates of the Registrants’ capital expenditures currently planned for projects for 2022 through 2026. See Note 18 to the consolidated financial statements for CenterPoint Energy’s actual capital expenditures by reportable segment for 2021. 

	2022		2023		2024		2025		2026
CenterPoint Energy	(in millions)
Electric	$	2,052	$	2,879	$	2,281	$	1,724	$	2,683
Natural Gas	1,427		1,804		1,439		1,490		1,887
Corporate and Other	11		31		18		14		14
Total	$	3,490	$	4,714	$	3,738	$	3,228	$	4,584
Houston Electric (1)	$	1,780	$	2,172	$	1,479	$	1,429	$	2,205
CERC (1)	$	1,233	$	1,725	$	1,360	$	1,422	$	1,807

(1)Houston Electric and CERC each consist of a single reportable segment..

Capital Expenditures for Climate-Related Projects. On September 23, 2021, CenterPoint Energy announced a new 10-year capital expenditure plan. As part of its 10-year plan to spend over $40 billion on capital expenditures, CenterPoint Energy anticipates spending over $3 billion in clean energy investments and enablement, which may be used to support, among other things, renewable energy generation and electric vehicle expansion.

57

The following table summarizes the Registrants’ material current and long-term cash requirements as of December 31, 2021.

	Total		2022		2023-2024		2025-2026		2027 and thereafter
	(in millions)
CenterPoint Energy
Securitization Bonds	$	537	$	220	$	317	$	—	$	—
Other long-term debt (1)	15,549		308		6,082		911		8,248
Interest payments — Securitization Bonds (2)	27		15		12		—		—
Interest payments — other long-term debt (2)	6,386		445		834		761		4,346
Short-term borrowings	7		7		—		—		—
Finance lease for mobile generation	496		496		—		—		—
Commodity and other commitments (3)	4,939		626		1,500		631		2,182
Total cash requirements	$	27,941	$	2,117	$	8,745	$	2,303	$	14,776
Houston Electric
Securitization Bonds	$	537	$	220	$	317	$	—	$	—
Other long-term debt (1)	4,958		300		200		300		4,158
Interest payments — Securitization Bonds (2)	27		15		12		—		—
Interest payments — other long-term debt (2)	3,615		188		351		340		2,736
Finance lease for mobile generation	496		496		—		—		—
Total cash requirements	$	9,633	$	1,219	$	880	$	640	$	6,894
CERC
Long-term debt	$	4,380	$	—	$	2,599	$	—	$	1,781
Interest payments — long-term debt (1)	1,250		91		160		153		846
Short-term borrowings	7		7		—		—		—
Commodity and other commitments (3)	2,486		322		500		382		1,282
Total cash requirements	$	8,123	$	420	$	3,259	$	535	$	3,909

(1)ZENS obligations are included in the 2027 and thereafter column at their contingent principal amount of $38 million as of December 31, 2021. These obligations are exchangeable for cash at any time at the option of the holders for 95% of the current value of the reference shares attributable to each ZENS ($820 million as of December 31, 2021), as discussed in Note 12 to the consolidated financial statements.  

(2)The Registrants calculated estimated interest payments for long-term debt as follows: for fixed-rate debt and term debt, the Registrants calculated interest based on the applicable rates and payment dates; for variable-rate debt and/or non-term debt, the Registrants used interest rates in place as of December 31, 2021. The Registrants typically expect to settle such interest payments with cash flows from operations and short-term borrowings.

(3)For a discussion of commodity and other commitments, see Note 16(a) to the consolidated financial statements.

The table above does not include the following:

•estimated future payments for expected future AROs primarily estimated to be incurred after 2026. See Note 3(c) to the consolidated financial statements for further information.

•expected contributions to pension plans and other postretirement plans in 2022. See Note 8(g) to the consolidated financial statements for further information.

•operating leases. See Note 21 to the consolidated financial statements for further information.

58

February 2021 Winter Storm Event. In February 2021, portions of the United States experienced an extreme and unprecedented winter weather event resulting in corresponding electricity generation shortages, including in Texas, and natural gas shortages and increased prices of natural gas in the United States. Although CenterPoint Energy’s and CERC’s extraordinary costs from the increase in natural gas prices are subject to available natural gas cost recovery mechanisms in their jurisdictions (although timing of recovery is uncertain), until such amounts are ultimately recovered from customers, CenterPoint Energy and CERC will continue to incur increased finance-related costs, resulting in a significant use of cash. See “— Regulatory Matters — February 2021 Winter Storm Event” below and Note 7 to the consolidated financial statements.

Off-Balance Sheet Arrangements. Other than Houston Electric’s general mortgage bonds issued as collateral for tax-exempt long-term debt of CenterPoint Energy (see Note 14 to the consolidated financial statements) and short-term leases, the Registrants have no off-balance sheet arrangements.

Regulatory Matters

COVID-19 Regulatory Matters

For information about COVID-19 regulatory matters, see Note 7 to the consolidated financial statements.

February 2021 Winter Storm Event

For information about the February 2021 Winter Storm Event, see Note 7 to the consolidated financial statements, and for additional information on the Texas electric market, see “Risk Factors — Risk Factors Affecting Electric Generation, Transmission and Distribution Business — In connection with the February...”

The table below presents the incremental natural gas costs included in regulatory assets as of December 31, 2021 by state as a result of the February 2021 Winter Storm Event and CenterPoint Energy’s and CERC’s requested recovery status as of February 2022.

State	Recovery Status	Legislative Activity	Incremental Gas Cost in Regulatory Assets (in millions)
Arkansas and Oklahoma	On January 10, 2022, CERC Corp., completed the sale of its Arkansas and Oklahoma Natural Gas businesses For additional information, see Note 4 to the consolidated financial statements.		$	398
Louisiana	Filed application on April 16, 2021 for North Louisiana to recover over a three-year period beginning May 1, 2021. LPSC approved on April 22, 2021.	None.	67
Minnesota	Filed application on March 15, 2021 requesting to recover over a two-year period beginning May 1, 2021. Modified request and worked with other utilities to propose common definition of extraordinary gas costs to be recovered over a 27-month period starting September 1, 2021 using volumetric, seasonally adjusted, and stepped surcharge rates. MPUC issued order approving modified cost recovery subject to a prudence review. The prudence review schedule has testimonies being filed by parties October 2021 through February 2022, a hearing scheduled in February 2022, an administrative law judge report in May 2022 and MPUC final order issued by August 2022. On December 30, 2021, as part of CERC’s alternative request filed in tandem with its general rate case initial filing, the MPUC ordered the amortization period for extraordinary gas cost recovery be extended from a 27-month period to a 63-month period beginning on January 1, 2022.	None.	379
Mississippi	Recovery began in September 2021 through normal gas cost recovery.	None.	2

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State	Recovery Status	Legislative Activity	Incremental Gas Cost in Regulatory Assets (in millions)
Texas	Securitization application was filed on July 30, 2021. Intervenor and staff testimony was received in September and October and CERC filed rebuttal testimony on October 25, 2021. A joint notice of settlement was filed by the Texas utilities that are requesting securitization, intervenors, and Railroad Commission staff on October 29, 2021. The settlement resolves all contested issues and includes an agreement by all signatories that the costs incurred by the utilities to purchase natural gas volumes during February 2021 are reasonable and necessary and were prudently incurred. As part of the settlement, CERC agreed to limit the interim carrying cost rate to its actual interim financing rate of 0.7%. A merits hearing was held on November 2, 2021. On November 10, 2021, the RRC approved the settlement and the regulatory asset amount to be securitized. On February 8, 2022, the RRC issued a financing order. The Texas Public Finance Authority will have approximately 180 days to issue customer rate relief bonds to recover natural gas costs from the February 2021 Winter Storm Event.	A securitization bill has been signed by the Texas governor which authorizes the Railroad Commission to use securitization financing and issuance of customer rate relief bonds for recovery of extraordinary gas costs.	1,073
		Total CERC	$	1,919
Indiana North	IURC issued order August 25, 2021. Recovery began September 2021 with 50% of the February 2021 variance recovered evenly over the 12‐month period September 2021 to August 2022, with the remainder of the variance recovered through a volumetric per‐therm allocation over the same 12-month period.	None.	63
Indiana South	IURC issued order July 28, 2021. Recovery began August 2021 with 50% of the February 2021 variance recovered evenly over the 12‐month period August 2021 to July 2022, with the remainder of the variance recovered through a volumetric per‐therm allocation over the same 12-month period.	None.	11
		Total CenterPoint Energy	$	1,993

Indiana Electric CPCN (CenterPoint Energy)

On February 9, 2021, Indiana Electric entered into a BTA with a subsidiary of Capital Dynamics. Under the agreement, Capital Dynamics, with its partner Tenaska, contracted to build a 300 MW solar array in Posey County, Indiana through a special purpose entity, Posey Solar. Upon completion of construction, which is projected to be at the end of 2023. Indiana Electric will acquire Posey Solar and its solar array assets for a fixed purchase price. On February 23, 2021, Indiana Electric filed a CPCN with the IURC seeking approval to purchase the project. Indiana Electric also sought approval for a 100 MW solar PPA with Clenera LLC in Warrick County, Indiana. The request accounted for increased cost of debt related to this PPA, which provides equivalent equity return to offset imputed debt during the 25 year life of the PPA. A hearing was conducted on June 21, 2021. On October 27, 2021, the IURC issued an order approving the CPCN, authorizing Indiana Electric to purchase the Posey solar project through a BTA and approved recovery of costs via a levelized rate over the anticipated 35-year life. The IURC also approved the Warrick County solar PPA but denied the request to preemptively offset imputed debt in the PPA cost. The Posey solar project is expected to be in service by 2023. Due to rising cost for the project, caused in part by supply chain issues in the energy industry and the rising costs of commodities, we, along with Capital Dynamics, recently announced plans to downsize the project to approximately 200 MW. Indiana Electric collaboratively agreed to the scope change and is currently working through contract negotiations, contingent on further IURC review and approval.

On June 17, 2021 Indiana Electric filed a CPCN with the IURC seeking approval to construct two natural gas combustion turbines to replace portions of its existing coal-fired generation fleet. Indiana Electric has also requested depreciation expense and post in-service carrying costs to be deferred in a regulatory asset until the date Indiana South’s base rates include a return on and recovery of depreciation expense on the facility. A hearing was conducted on January 26 through 28, 2022. The estimated $334 million turbine facility would be constructed at the current site of the A.B. Brown power plant in Posey County, Indiana and would provide a combined output of 460 MW. Construction of the turbines will begin following receipt of necessary regulatory approvals by the IURC and FERC, which are anticipated in the second half of 2022 and first quarter 2023, respectively. The turbines are targeted to be operational in first quarter of 2025. Subject to IURC approval, recovery of the

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proposed natural gas combustion turbines and regulatory asset will be requested in the next Indiana Electric rate case expected in 2023.

On August 25, 2021, Indiana Electric filed with the IURC seeking approval to purchase 185 MW of solar power, under a 15-year PPA, from Oriden LLC, which is developing a solar project in Vermillion County, Indiana, and 150 MW of solar power, under a 20-year PPA, from Origis Energy USA Inc., which is developing a solar project in Knox County, Indiana. Subject to necessary approvals, both solar arrays are expected to be in service by 2023.

Indiana Electric Securitization of Planned Generation Retirements (CenterPoint Energy)

The State of Indiana has enacted legislation, Senate Bill 386, that would enable CenterPoint Energy to request approval from the IURC to securitize the remaining book value and removal costs associated with generating facilities to be retired in the next twenty-four months. The Governor of Indiana signed the legislation on April 19, 2021. CenterPoint Energy intends to seek securitization in the future associated with planned retirements of coal generation facilities in 2022.

Subsidiary Restructuring

In July 2021, Indiana North and SIGECO filed petitions with the IURC for the approval of a new financial services agreement and the confirmation of Indiana North’s financing authority, and final orders were issued by the IURC on December 28, 2021. VEDO filed a similar application with the PUCO in September 2021 and the PUCO issued an order on January 26, 2022 adopting recommendations by PUCO staff. CenterPoint Energy is evaluating the transfer of Indiana North and VEDO from VUHI to CERC in order to better align its organizational structure with management and financial reporting. Both the IURC and PUCO have approved the transaction. As a part of the restructuring, VUHI may approach certain of its debt holders with an offer to exchange existing VUHI debt for CERC debt. The orders allow the reissuance of existing debt of Indiana North and VEDO to CERC, to continue to amortize existing issuance expenses and discounts, and to treat any potential exchange fees as discounts to be amortized over the life of the debt. If CenterPoint Energy moves forward with the restructuring, including any VUHI debt exchanges, it is expected to be completed in 2022.

Indiana South Base Rate Case (CenterPoint Energy)

On October 30, 2020, and as subsequently amended, Indiana South filed its base rate case with the IURC seeking approval for a revenue increase of approximately $29 million. This rate case filing is required under Indiana TDSIC statutory requirements before the completion of Indiana South’s capital expenditure program, approved in 2014 for investments starting in 2014 through 2020. The revenue increase is based upon a requested ROE of 10.15% and an overall after-tax rate of return of 5.99% on total rate base of approximately $469 million. Indiana South has utilized a projected test year, reflecting its 2021 budget as the basis for the revenue increase requested and proposes to implement rates in two phases. On April 23, 2021, a Stipulation and Settlement Agreement was filed resolving all issues in the case. The settlement recommended a revenue increase of $21 million based on a 9.7% ROE and an overall after-tax rate of return of 5.78% on total rate base of approximately $469 million. A settlement hearing was held on June 24, 2021. On October 6, 2021, the IURC issued an order approving the settlement. Phase one rates, reflecting actual plant-in-service and cost of capital through June 2021, became effective in October 2021 and phase two rates, reflecting actual plant-in-service and cost of capital through December 2021 with certain adjustments, will become effective in March 2022.

Indiana North Base Rate Case (CenterPoint Energy)

On December 18, 2020, Indiana North filed its base rate case with the IURC seeking approval for a revenue increase of approximately $21 million. This rate case filing is required under Indiana TDSIC statutory requirements before the completion of Indiana North’s capital expenditure program, approved in 2014 for investments starting in 2014 through 2020. The revenue increase is based upon a requested ROE of 10.15% and an overall after-tax rate of return of 6.32% on total rate base of approximately $1,611 million. Indiana North has utilized a projected test year, reflecting its 2021 budget as the basis for the revenue increase requested and proposes to implement rates in two phases. On June 25, 2021, a Stipulation and Settlement Agreement was filed resolving all issues in the case. The settlement recommended a revenue decrease of $6 million based on a 9.8% ROE and an overall after-tax rate of return of 6.16% on total rate base of approximately $1,611 million. A settlement hearing was held August 6, 2021. On November 17, 2021, the IURC issued an order approving the settlement. Phase one rates, reflecting actual plant-in-service and cost of capital through June 2021, became effective in November 2021 and phase two rates, reflecting actual plant-in-service and cost of capital through December 2021 with certain adjustments, will become effective in March 2022.

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Bailey to Jones Creek Project (CenterPoint Energy and Houston Electric)

In April 2017, Houston Electric submitted a proposal to ERCOT requesting its endorsement of the Freeport Area Master Plan, which included the Bailey to Jones Creek Project. On November 21, 2019, the PUCT issued its final approval of Houston Electric’s certificate of convenience and necessity application, based on an unopposed settlement agreement under which Houston Electric would construct the project at an estimated cost of approximately $483 million. Houston Electric commenced pre-construction activities on the project in 2019, began construction in 2021, and completed construction and energized the line ahead of schedule in November 2021. Certain residual clean-up activities will continue in 2022.

Space City Solar Transmission Interconnection Project (CenterPoint Energy and Houston Electric)

On December 17, 2020, Houston Electric filed a CCN application with the PUCT for approval to build a 345 kV transmission line in Wharton County, Texas connecting the Hillje substation on Houston Electric’s transmission system to the planned 610 MW Space City Solar Generation facility being developed by third-party developer EDF Renewables. Depending on the route ultimately approved by the PUCT, the estimated capital cost of the transmission line project ranges from approximately $23 million to $71 million. The actual capital costs of the project will depend on actual land acquisition costs, construction costs, and other factors in addition to route selection. In January 2021, Houston Electric executed a Standard Generation Interconnection Agreement for the Space City Solar Generation facility with EDF Renewables, which also provided security for the transmission line project in the form of a $23 million letter of credit, the amount of which is subject to change depending on the route approved. A hearing at the PUCT was held on June 28, 2021. On September 1, 2021, the administrative law judge issued a proposal for decision recommending a route that costs $25 million. The PUCT approved the proposal for decision at the November 18, 2021 open meeting and issued a final order on January 12, 2022. Houston Electric expects to complete construction and energization of the transmission line by the end of 2022.

Texas Legislation (CenterPoint Energy and Houston Electric)

In addition to the legislative activity discussed above, the Texas legislature enacted the following in 2021:

•Senate Bill 2 reforms the ERCOT board to be comprised of a total of eleven directors: three ex officio representatives, and eight members who are unaffiliated with any market participants. The three ex officio directors—the ERCOT CEO, the Public Counsel of the Office of Public Utility Counsel, and the PUCT Chair—serve on the board by virtue of their official position for as long as they hold that position. Two members are non-voting directors: the ERCOT CEO and the PUCT Chair. The other nine members are voting directors. The ERCOT board is currently comprised of the following members: Mr. Paul Foster (Chairman of ERCOT board), Mr. William Flores (Vice Chairman of ERCOT board), Mr. Carlos Aguilar, Mr. Zin Smati, Mr. John Swainson, Mr. Robert Flexon, Ms. Julie England, Ms. Peggy Heeg, Mr. Peter Lake (PUCT Chairman), Mr. Brad Jones (ERCOT Interim President & CEO), and Mr. Chris Ekoh (Public Counsel of the Office of Public Utility Counsel).

•Senate Bill 3 establishes weatherization and other power grid requirements including the design and operation of a load management program for nonresidential customers during an energy emergency activation level 2 or higher event and the ability to recover the reasonable and necessary costs of the program.

•Senate Bill 415 allows a TDU to seek prior PUCT approval to contract with a power generation company for a PUCT assigned proportional share of electric energy storage system at the distribution level and recover certain costs and a reasonable return on contract payments if contract terms satisfy relevant accounting standards for a capital lease or finance lease.

•House Bill 2483 allows a TDU to procure, own and operate, or jointly own with another TDU, transmission and distribution facilities with a lead time of at least six months that would aid in restoring power to the utility's distribution customers following a widespread outage, excluding storage equipment or facilities. Reasonable and necessary costs can be recovered using the rate of return on investment from the most recent base rate proceeding. Recovery of incremental operation and maintenance expenses and any return not recovered in a rate proceeding can be deferred until a future ratemaking proceeding. Additionally, a TDU may lease and operate facilities that provide temporary emergency electric energy to aid in restoring power to the utility’s distribution customers during a widespread power outage. Leasing and operating costs can be recovered using the utility’s rate of return from the most recent base rate proceeding and incremental operation and maintenance expenses can be deferred. The lease must be treated as a capital lease or finance lease for ratemaking purposes.

•Senate Bill 1281 removes the requirement for an electric utility to amend its CCN to construct a transmission line that connects existing transmission facilities to a substation or metering point if certain conditions are met and adds a customer benefit test into consideration. The bill also requires ERCOT to conduct biennial assessments of grid reliability in extreme weather scenarios.

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Houston Electric continues to review the effects of the legislation and is working with the PUCT regarding proposed rulemakings and pursuing implementation of these items where applicable. For example, in 2021 Houston Electric entered into two leases for mobile generation: (1) a temporary short-term lease initially for 125 MW that expanded to 220 MW by December 31, 2021 and (2) a 7.5 year lease for up to 505 MW of mobile generation of which 125 MW was delivered as of December 31, 2021. As of December 31, 2021, CenterPoint Energy and Houston Electric intends to seek recovery in its DCRF of deferred costs and the applicable return under these lease agreements, approximating $200 million. These mobile generation leases will support resiliency in major weather events and were deployed during the restoration process for Hurricane Nicholas. See Note 21 to the consolidated financial statements.

In addition to these measures taken by Houston Electric to support system preparedness and reliability, the City of Houston recently launched the first-of-its-kind long-term strategic power resilience initiative called “Resilient Now.” In a joint effort, Houston Electric is working with the City of Houston to develop the Master Energy Plan for the city to help the community thrive through economic changes, digital transformation, and advancing environmental goals for the benefit of its communities. The Master Energy Plan could develop into capital opportunities for Houston Electric, including relating to infrastructure modernization, residential weatherization, and investments around electric vehicles infrastructure.

Minnesota Base Rate Cases (CenterPoint Energy and CERC)

On October 28, 2019, CERC filed a general rate case with the MPUC seeking approval for a revenue increase of approximately $62 million with a projected test year ended December 31, 2020. The revenue increase is based upon a requested ROE of 10.15% and an overall after-tax rate of return of 7.41% on a total rate base of approximately $1,307 million. CERC implemented interim rates reflecting $53 million for natural gas used on and after January 1, 2020. In September 2020, a settlement that addressed all issues except the Inclusive Financing/TOB Financing proposal by the City of Minneapolis was signed by a majority of all parties and was filed with the Office of Administrative Hearings. A stipulation between the City of Minneapolis and CERC addressing the TOB proposal was filed on September 2, 2020. The settlement reflects a $39 million increase and was based on an overall after-tax rate of return of 6.86% and does not specify individual cost of capital components. On March 1, 2021, the MPUC issued a written final order approving the $39 million increase and rejected the TOB stipulation. The order also required CERC and the City of Minneapolis to submit a future filing to allow for further development of a potential TOB pilot program and additional or expanded low-income conservation improvement programs. A compliance filing was submitted on March 12, 2021 proposing a final rate implementation on June 1, 2021 and the interim refund occurring in June 2021, contingent on final MPUC approval. Pursuant to MPUC approval, final rates were implemented on June 1, 2021 and the interim rate refunds were applied to customer accounts starting on June 12, 2021.

On November 1, 2021, CERC filed a general rate case with the MPUC seeking approval for a revenue increase of approximately $67 million with a projected test year ended December 31, 2022. The revenue increase is based upon a requested ROE of 10.2% and an overall rate of return of 7.06% on a total rate base of approximately $1.8 billion. CERC requested that an interim rate increase of approximately $52 million be implemented January 1, 2022 while the rate case is litigated. An alternative request was also filed on November 1, 2021. The alternative request proposed a final rate increase of $40 million that would be implemented in the rate case on January 1, 2022, and offered: an increase in rates for plant investment only using the overall rate of return approved in the prior rate case, an asymmetrical capital true-up, extension of the recovery of gas costs incurred to serve customers in February 2021 from the then current 27 month mechanism to 63 months, an income tax rider, continuation of the existing property tax rider and continued deferral of COVID-19 incremental costs along with additional adjustments. On December 30, 2021, the MPUC issued a written order denying the alternative request but extended the amortization period for extraordinary gas costs to 63-months beginning on January 1, 2022. The MPUC also issued written orders on the general rate case filing which (1) accepted CERC’s rate-increase application with a time for final determination of September 1, 2022, (2) authorized the implementation of interim rates on January 1, 2022, of $42 million based on an overall rate of return of 6.46%, and (3) referred the case to the Office of Administrative Hearings for a contested case proceeding. A procedural schedule has been set with intervenor testimony that was due on February 7, 2022, rebuttal testimony due on March 7, 2022, surrebuttal testimony due March 30, 2022, a hearing scheduled April 6, 2022 through April 8, 2022, the administrative law judge to issue a report on July 12, 2022 and the MPUC to issue an order in October 2022.

Minnesota Legislation (CenterPoint Energy and CERC)

The Natural Gas Innovation Act was passed by the Minnesota legislature in June 2021 with bipartisan support. This law establishes a regulatory framework to enable the state’s investor-owned natural gas utilities to provide customers with access to renewable energy resources and innovative technologies, with the goal of reducing greenhouse gas emissions and advancing the

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state’s clean energy future. Specifically, the Natural Gas Innovation Act allows a natural gas utility to submit an innovation plan for approval by the MPUC which could propose the use of renewable energy resources and innovative technologies such as:

•renewable natural gas (produces energy from organic materials such as wastewater, agricultural manure, food waste, agricultural or forest waste);

•renewable hydrogen gas (produces energy from water through electrolysis with renewable electricity such as solar);

•energy efficiency measures (avoids energy consumption in excess of the utility’s existing conservation programs); and

•innovative technologies (reduces or avoids greenhouse gas emissions using technologies such as carbon capture).

CERC expects to submit its first innovation plan to the MPUC in 2022. The maximum allowable cost for an innovation plan will start at 1.75% of the utility's revenue in the state and could increase to 4% by 2033, subject to review and approval by the MPUC.

Rate Change Applications

The Registrants are routinely involved in rate change applications before state regulatory authorities. Those applications include general rate cases, where the entire cost of service of the utility is assessed and reset. In addition, Houston Electric is periodically involved in proceedings to adjust its capital tracking mechanisms (TCOS and DCRF) and annually files to adjust its EECRF. CERC is periodically involved in proceedings to adjust its capital tracking mechanisms in Texas (GRIP), its cost of service adjustments in Arkansas, Louisiana, Mississippi and Oklahoma (FRP, RSP, RRA and PBRC, respectively), its decoupling mechanism in Minnesota, and its energy efficiency cost trackers in Arkansas, Minnesota, Mississippi and Oklahoma (EECR, CIP, EECR and EECR, respectively). CenterPoint Energy is periodically involved in proceedings to adjust its capital tracking mechanisms in Indiana (CSIA for gas and TDSIC for electric) and Ohio (DRR), its decoupling mechanism in Indiana (SRC for gas), and its energy efficiency cost trackers in Indiana (EEFC for gas and DSMA for electric) and Ohio (EEFR). The table below reflects significant applications pending or completed since the Registrants’ combined 2020 Form 10-K was filed with the SEC.

Mechanism	Annual Increase (Decrease) (1) (in millions)	Filing  Date	Effective Date	Approval Date	Additional Information
CenterPoint Energy and Houston Electric (PUCT)
TCOS (1)	64	February 2022	TBD	TBD	Based on net change of invested capital of $574 million.
TCOS	19	August 2021	October 2021	October 2021	Based on net change of invested capital of $166 million.
EECRF	22	June 2021	March 2022	November 2021	The requested $63 million is comprised of the following: 2022 Program and Evaluation, Measurement and Verification costs of $38 million, 2020 under-recovery of $3 million including interest, and 2020 earned bonus of $22 million. A settlement was filed in September 2021 reducing the amount requested by $315 thousand and recommending 2022 Program and Evaluation, Measurement and Verification costs of $38 million, 2020 under-recovery of $3 million including interest, and 2020 earned bonus of $22 million.
TCOS	9	March 2021	April 2021	April 2021	Based on net change in invested capital of $80 million.
CenterPoint Energy and CERC - Arkansas (APSC)
FRP	(10)	April 2021	October 2021	September 2021	Based on ROE of 9.50% with 50 basis point (+/-) earnings band. Revenue decrease of $10.4 million based on prior test year true-up earned return on equity of 11.53%. The initial term of Rider FRP was terminated in September 2021. A petition for rehearing was filed on October 8, 2021. On October 14, 2021, as part of the settlement filed in the asset sale docket, CERC filed a motion to hold the petition for rehearing in abeyance pending closing of the asset sale. The APSC issued an order on October 15, 2021 granting the motion. Additionally, a request to extend the Rider FRP term for an additional five years was filed on May 5, 2021. On October 19, 2021, as part of the settlement filed in the asset sale docket, CERC filed a motion to hold this proceeding in abeyance and the APSC granted the motion on October 21, 2021.
CenterPoint Energy and CERC - Beaumont/East Texas, South Texas, Houston and Texas Coast (Railroad Commission)
GRIP	28	March 2021	June 2021	June 2021	Based on net change in invested capital of $197 million.

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Mechanism	Annual Increase (Decrease) (1) (in millions)	Filing  Date	Effective Date	Approval Date	Additional Information
CenterPoint Energy and CERC - Louisiana (LPSC)
RSP	7	September 2021	December 2021	December 2021	Based on authorized ROE of 9.95% with 50 basis point (+/-) earnings band. The North Louisiana decrease, with certain non-recurring true-up adjustments outside the earnings band, is a decrease of $1 million based on a test year ended June 2021 and adjusted earned ROE of 15.17%. The South Louisiana increase, with certain non-recurring true-up adjustments outside the earnings band, is an increase of $8 million based on a test year ended June 2021 and adjusted earned ROE of 1.93%. Per the 2020 RSP order, a request to extend the RSP for an additional three year term was filed in July 2021 and a hearing is scheduled for May 2022.
CenterPoint Energy and CERC - Minnesota (MPUC)
Rate Case (1)	67	November 2021	TBD	TBD	See discussion above under Minnesota Base Rate Case.
Decoupling (1)	N/A	September 2021	September 2021	TBD	Represents under-recovery of approximately $19 million recorded for and during the period July 1, 2020 through June 30, 2021, including an approximately $5 million adjustment related to the implementation of final rates from the general rate case filed in 2019.
CIP Financial Incentive	10	May 2021	December 2021	October 2021	CIP Financial Incentive based on 2020 activity.
Decoupling	N/A	September 2020	September 2020	March 2021	Represents under-recovery of approximately $2 million recorded for and during the period July 1, 2019 through June 30, 2020, including approximately $1 million related to the period July 1, 2018 through June 30, 2019.
Rate Case	39	October 2019	June 2021	March 2021	See discussion above under Minnesota Base Rate Case.
CenterPoint Energy and CERC - Mississippi (MPSC)
RRA	3	April 2021	September 2021	September 2021	Based on ROE of 9.81% with 100 basis point (+/-) earnings band. Revenue increase of approximately $3 million based on 2020 test year adjusted earned ROE of 7.49%.
CenterPoint Energy and CERC - Oklahoma (OCC)
PBRC	(1)	March 2021	August 2021	August 2021	Based on ROE of 10% with 50 basis point (+/-) earnings band. Revenue credit of approximately $1 million based on 2020 test year adjusted earned ROE of 12.42%. A settlement was filed in June 2021 with a hearing held on July 1, 2021. OCC approved revenue credit of approximately $1 million on August 6, 2021.
CenterPoint Energy - Indiana South - Gas (IURC)
CSIA	(1)	April 2021	July 2021	July 2021	Requested an increase of $11 million to rate base, which reflects a $(1 million) annual decrease in current revenues. 80% of revenue requirement is included in requested rate increase and 20% is deferred until the next rate case. The mechanism also includes refunds associated with the TCJA, resulting in no change to the previous credit provided, and a change in the total (over)/under-recovery variance of less than $1 million annually.
Rate Case	21	October 2020	October 2021	October 2021	See discussion above under Indiana South Base Rate Case.
CenterPoint Energy - Indiana North - Gas (IURC)
CSIA	5	April 2021	July 2021	July 2021	Requested an increase of $37 million to rate base, which reflects a $5 million annual increase in current revenues. 80% of revenue requirement is included in requested rate increase and 20% is deferred until the next rate case. The mechanism also includes refunds associated with the TCJA, resulting in no change to the previous credit provided, and a change in the total (over)/under-recovery variance of $6 million annually.
Rate Case	21	December 2020	November 2021	November 2021	See discussion above under Indiana North Base Rate Case.
CenterPoint Energy - Ohio (PUCO)
DRR	9	April 2021	September 2021	September 2021	Requested an increase of $71 million to rate base for investments made in 2020, which reflects a $9 million annual increase in current revenues. A change in (over)/under-recovery variance of $5 million annually is also included in rates.

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Mechanism	Annual Increase (Decrease) (1) (in millions)	Filing  Date	Effective Date	Approval Date	Additional Information
CenterPoint Energy - Indiana Electric (IURC)
TDSIC (1)	3	February 2022	TBD	TBD	Requested an increase of $42 million to rate base, which reflects a $3 million annual increase in current revenues. 80% of the revenue requirement is included in requested rate increase and 20% is deferred until next rate case. The mechanism also includes a change in (over)/under-recovery variance of less than $1 million.
CECA (1)	(2)	February 2022	TBD	TBD	Requested a decrease of less than $1 million to rate base, which reflects a $3 million annual decrease in current revenues. The mechanism also includes a change in (over)/under-recovery variance of less than $1 million. This mechanism includes a non-traditional rate making approach related to a 50 MW universal solar array placed in service in January 2021.
TDSIC	3	August 2021	November 2021	November 2021	Requested an increase of $35 million to rate base, which reflects a $3 million annual increase in current revenues. 80% of the revenue requirement is included in requested rate increase and 20% is deferred until next rate case. The mechanism also includes a change in (over)/under-recovery variance of less than $1 million.
ECA	2	May  2021	September 2021	September 2021	Requested an increase of $39 million to rate base, which reflects a $2 million annual increase in current revenues. 80% of the revenue requirement is included in requested rate increase and 20% is deferred until next rate case. The mechanism also included a change in (over)/under-recovery variance of less than $1 million annually.
TDSIC	3	February 2021	May  2021	May  2021	Requested an increase of $28 million to rate base, which reflects a $3 million annual increase in current revenues. 80% of the revenue requirement is included in requested rate increase and 20% is deferred until next rate case. The mechanism also includes a change in (over)/under-recovery variance of less than $1 million.
CECA	8	February 2021	June 2021	May  2021	Reflects an $8 million annual increase in current revenues through a non-traditional rate making approach related to a 50 MW universal solar array placed in service in January 2021.

(1)Represents proposed increases (decreases) when effective date and/or approval date is not yet determined. Approved rates could differ materially from proposed rates.

Greenhouse Gas Regulation and Compliance (CenterPoint Energy)

On August 3, 2015, the EPA released its CPP rule, which required a 32% reduction in carbon emissions from 2005 levels. The final rule was published in the Federal Register on October 23, 2015, and that action was immediately followed by litigation ultimately resulting in the U.S. Supreme Court staying implementation of the rule. On July 8, 2019, the EPA published the ACE rule, which (i) repealed the CPP rule; (ii) replaced the CPP rule with a program that requires states to implement a program of energy efficiency improvement targets for individual coal-fired electric generating units; and (iii) amended the implementing regulations for Section 111(d) of the Clean Air Act. On January 19, 2021, the majority of the ACE rule — including the CPP repeal, CPP replacement, and the timing-related portions of the Section 111(d) implementing rule — was struck down by the U.S. Court of Appeals for the D.C. Circuit and on October 29, 2021, the U.S. Supreme Court agreed to consider four petitions filed by various coal interests and a coalition of 19 states that seek review of the lower court’s decision vacating the ACE rule. CenterPoint Energy is currently unable to predict what a replacement rule for either the ACE rule or CPP would require.

The Biden administration recommitted the United States to the Paris Agreement, which can be expected to drive a renewed regulatory push to require further GHG emission reductions from the energy sector and proceeded to lead negotiations at the global climate conference in Glasgow, Scotland. On April 22, 2021, President Biden announced new goals of 50% reduction of economy-wide GHG emissions, and 100% carbon-free electricity by 2035, which formed the basis of the US commitments announced in Glasgow. In September 2021, CenterPoint Energy announced its new net zero emissions goals for both Scope 1 and Scope 2 emissions by 2035 as well as a goal to reduce Scope 3 emissions by 20% to 30% by 2035. Because Texas is an unregulated market, CenterPoint Energy’s Scope 2 estimates do not take into account Texas electric transmission and distribution assets in the line loss calculation and exclude emissions related to purchased power in Indiana between 2024 and 2026 as estimated. CenterPoint Energy’s Scope 3 estimates do not take into account the emissions of transport customers and emissions related to upstream extraction. These emission goals are expected to be used to position CenterPoint Energy to comply with anticipated future regulatory requirements from the current and future administrations to further reduce GHG

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emissions. CenterPoint Energy’s and CERC’s revenues, operating costs and capital requirements could be adversely affected as a result of any regulatory action that would require installation of new control technologies or a modification of their operations or would have the effect of reducing the consumption of natural gas. For more information regarding CenterPoint Energy’s new net zero emission goals and the risks associated with them, see “Risk Factors — Risk Factors Affecting Our Businesses — CenterPoint Energy is subject to operational and financial risks...” In addition, the EPA has indicated that it intends to implement new regulations targeting reductions in methane emissions, which are likely to increase costs related to production, transmission and storage of natural gas. Houston Electric, in contrast to some electric utilities including Indiana Electric, does not generate electricity, other than leasing facilities that provide temporary emergency electric energy to aid in restoring power to distribution customers during certain widespread power outages as allowed by a new law enacted after the February 2021 Winter Storm Event, and thus is not directly exposed to the risk of high capital costs and regulatory uncertainties that face electric utilities that burn fossil fuels to generate electricity. CenterPoint Energy’s new net zero emissions goals are aligned with Indiana Electric’s generation transition plan and are expected to position Indiana Electric to comply with anticipated future regulatory requirements related to GHG emissions reductions. Nevertheless, Houston Electric’s and Indiana Electric’s revenues could be adversely affected to the extent any resulting regulatory action has the effect of reducing consumption of electricity by ultimate consumers within their respective service territories. Likewise, incentives to conserve energy or to use energy sources other than natural gas could result in a decrease in demand for the Registrants’ services. For example, Minnesota has enacted the Natural Gas Innovation Act that seeks to provide customers with access to renewable energy resources and innovative technologies, with the goal of reducing GHG emissions. Further, certain local government bodies have introduced or are considering requirements and/or incentives to reduce energy consumption by certain specified dates. For example, Minneapolis has adopted carbon emission reduction goals in an effort to decrease reliance on fossil gas. Additionally, cities in Minnesota within CenterPoint Energy’s Natural Gas operational footprint are considering initiatives to eliminate natural gas use in buildings and focus on electrification. Also, Minnesota cities may consider seeking legislative authority for the ability to enact voluntary enhanced energy standards for all development projects. These initiatives could have a significant impact on CenterPoint Energy and its operations, and this impact could increase if other cities and jurisdictions in its service area enact similar initiatives. Further, our third party suppliers, vendors and partners may also be impacted by climate change laws and regulations, which could impact CenterPoint Energy’s business by, among other things, causing permitting and construction delays, project cancellations or increased project costs passed on to CenterPoint Energy. Conversely, regulatory actions that effectively promote the consumption of natural gas because of its lower emissions characteristics would be expected to benefit CenterPoint Energy and CERC and their natural gas-related businesses. At this time, however, we cannot quantify the magnitude of the impacts from possible new regulatory actions related to GHG emissions, either positive or negative, on the Registrants’ businesses.

Compliance costs and other effects associated with climate change, reductions in GHG emissions and obtaining renewable energy sources remain uncertain. Although the amount of compliance costs remains uncertain, any new regulation or legislation relating to climate change will likely result in an increase in compliance costs. While the requirements of a federal or state rule remain uncertain, CenterPoint Energy will continue to monitor regulatory activity regarding GHG emission standards that may affect its business. Currently, CenterPoint Energy does not purchase carbon credits. In connection with its net zero emissions goals, CenterPoint Energy is expected to purchase carbon credits in the future; however, CenterPoint Energy does not currently expect the number of credits, or cost for those credits, to be material.

Climate Change Trends and Uncertainties

As a result of increased awareness regarding climate change, coupled with adverse economic conditions, availability of alternative energy sources, including private solar, microturbines, fuel cells, energy-efficient buildings and energy storage devices, and new regulations restricting emissions, including potential regulations of methane emissions, some consumers and companies may use less energy, meet their own energy needs through alternative energy sources or avoid expansions of their facilities, including natural gas facilities, resulting in less demand for the Registrants’ services. As these technologies become a more cost-competitive option over time, whether through cost effectiveness or government incentives and subsidies, certain customers may choose to meet their own energy needs and subsequently decrease usage of the Registrants’ systems and services, which may result in, among other things, Indiana Electric’s generating facilities becoming less competitive and economical. Further, evolving investor sentiment related to the use of fossil fuels and initiatives to restrict continued production of fossil fuels have had significant impacts on CenterPoint Energy’s electric generation and natural gas businesses. For example, because Indiana Electric’s current generating facilities substantially rely on coal for their operations, certain financial institutions choose not to participate in CenterPoint Energy’s financing arrangements. Conversely, demand for the Registrants’ services may increase as a result of customer changes in response to climate change. For example, as the utilization of electric vehicles increases, demand for electricity may increase, resulting in increased usage of CenterPoint Energy’s systems and services. Any negative opinions with respect to CenterPoint Energy’s environmental practices or its ability to meet the

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challenges posed by climate change formed by regulators, customers, investors, legislators or other stakeholders could harm its reputation.

To address these developments, CenterPoint Energy announced its new net zero emissions goals for both Scope 1 and Scope 2 emissions by 2035. In June of 2020, Indiana Electric identified a preferred generation resource in its most recent IRP submitted to the IURC that aligns with its new net zero emission goals and includes the replacement of 730 MW of coal-fired generation facilities with a significant portion comprised of renewables, including solar and wind, supported by dispatchable natural gas combustion turbines, including a pipeline to serve such natural gas generation, as well as storage. Additionally, as reflected in its 10-year capital plan announced in September 2021, CenterPoint Energy anticipates spending over $3 billion in clean energy investments and enablement, which may be used to support, among other things, renewable energy generation and electric vehicle expansion. CenterPoint Energy believes its planned investments in renewable energy generation and corresponding planned reduction in its GHG emissions as part of its newly adopted net zero emissions goals support global efforts to reduce the impacts of climate change. For more information regarding CenterPoint Energy’s new net zero emission goals and the risks associated with them, see “Risk Factors — Risk Factors Affecting Our Businesses — CenterPoint Energy is subject to operational and financial risks...”

To the extent climate changes result in warmer temperatures in the Registrants’ service territories, financial results from the Registrants’ businesses could be adversely impacted. For example, CenterPoint Energy’s and CERC’s Natural Gas could be adversely affected through lower natural gas sales. On the other hand, warmer temperatures in CenterPoint Energy’s and Houston Electric’s electric service territory may increase revenues from transmission and distribution and generation through increased demand for electricity used for cooling. Another possible result of climate change is more frequent and more severe weather events, such as hurricanes, tornadoes and flooding, including such storms as the February 2021 Winter Storm Event. Since many of the Registrants’ facilities are located along or near the Texas gulf coast, increased or more severe hurricanes or tornadoes could increase costs to repair damaged facilities and restore service to customers. CenterPoint Energy’s recently announced 10-year capital plan includes capital expenditures to maintain reliability and safety and increase resiliency of its systems as climate change may result in more frequent significant weather events. Houston Electric does not own or operate any electric generation facilities other than, since September 2021, leasing facilities that provide temporary emergency electric energy to aid in restoring power to distribution customers during certain widespread power outages as allowed by a new law enacted after the February 2021 Winter Storm Event. Houston Electric transmits and distributes to customers of REPs electric power that the REPs obtain from power generation facilities owned by third parties. To the extent adverse weather conditions affect the Registrants’ suppliers, results from their energy delivery businesses may suffer. For example, in Texas, the February 2021 Winter Storm Event caused an electricity generation shortage that was severely disruptive to Houston Electric’s service territory and the wholesale generation market and also caused a reduction in available natural gas capacity. When the Registrants cannot deliver electricity or natural gas to customers, or customers cannot receive services, the Registrants’ financial results can be impacted by lost revenues, and they generally must seek approval from regulators to recover restoration costs. To the extent the Registrants are unable to recover those costs, or if higher rates resulting from recovery of such costs result in reduced demand for services, the Registrants’ future financial results may be adversely impacted. Further, as the intensity and frequency of significant weather events continues, it may impact our ability to secure cost-efficient insurance.

Other Matters

Credit Facilities

The Registrants may draw on their respective revolving credit facilities from time to time to provide funds used for general corporate and limited liability company purposes, including to backstop CenterPoint Energy’s and CERC’s commercial paper programs. The facilities may also be utilized to obtain letters of credit. For further details related to the Registrants’ revolving credit facilities, please see Note 14 to the consolidated financial statements.

Based on the consolidated debt to capitalization covenant in the Registrants’ revolving credit facilities, the Registrants would have been permitted to utilize the full capacity of such revolving credit facilities, which aggregated approximately $4 billion as of December 31, 2021.

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As of February 15, 2022, the Registrants had the following revolving credit facilities and utilization of such facilities:

			Amount Utilized as of February 15, 2022
Registrant	Size of Facility		Loans		Letters of Credit		Commercial Paper		Weighted Average Interest Rate	Termination Date
	(in millions)
CenterPoint Energy	$	2,400	$	—	$	11	$	710	0.23%	February 4, 2024
CenterPoint Energy (1)	400		—		—		264		0.22%	February 4, 2024
Houston Electric	300		—		—		—		—%	February 4, 2024
CERC	900		—		—		100		0.19%	February 4, 2024
Total	$	4,000	$	—	$	11	$	1,074

(1)The credit facility was issued by VUHI and is guaranteed by SIGECO, Indiana Gas and VEDO.

Borrowings under each of the revolving credit facilities are subject to customary terms and conditions. However, there is no requirement that the borrower makes representations prior to borrowing as to the absence of material adverse changes or litigation that could be expected to have a material adverse effect. Borrowings under each of the revolving credit facilities are subject to acceleration upon the occurrence of events of default that we consider customary. The revolving credit facilities also provide for customary fees, including commitment fees, administrative agent fees, fees in respect of letters of credit and other fees. In each of the revolving credit facilities, the spread to LIBOR and the commitment fees fluctuate based on the borrower’s credit rating. Each of the Registrant’s credit facilities provide for a mechanism to replace LIBOR with possible alternative benchmarks upon certain benchmark replacement events. The borrowers are currently in compliance with the various business and financial covenants in the four revolving credit facilities.

Long-term Debt

For detailed information about the Registrants’ debt issuances in 2021, see Note 14 to the consolidated financial statements.

Securities Registered with the SEC

On May 29, 2020, the Registrants filed a joint shelf registration statement with the SEC registering indeterminate principal amounts of Houston Electric’s general mortgage bonds, CERC Corp.’s senior debt securities and CenterPoint Energy’s senior debt securities and junior subordinated debt securities and an indeterminate number of shares of Common Stock, shares of preferred stock, depositary shares, as well as stock purchase contracts and equity units. The joint shelf registration statement will expire on May 29, 2023. For information related to the Registrants’ debt and equity security issuances in 2021, see Notes 13 and 14 to the consolidated financial statements.

Temporary Investments

As of February 15, 2022, the Registrants had no temporary investments.

Money Pool

The Registrants participate in a money pool through which they and certain of their subsidiaries can borrow or invest on a short-term basis. Funding needs are aggregated and external borrowing or investing is based on the net cash position. The net funding requirements of the CenterPoint Energy money pool are expected to be met with borrowings under CenterPoint Energy’s revolving credit facility or the sale of CenterPoint Energy’s commercial paper. The net funding requirements of the CERC money pool are expected to be met with borrowings under CERC’s revolving credit facility or the sale of CERC’s commercial paper. The money pool may not provide sufficient funds to meet the Registrants’ cash needs.

The table below summarizes CenterPoint Energy money pool activity by Registrant as of February 15, 2022:

	Weighted Average Interest Rate	Houston Electric		CERC
		(in millions)
Money pool investments	0.22%	$	(731)	$	—

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Impact on Liquidity of a Downgrade in Credit Ratings

The interest rate on borrowings under the Registrants’ credit facilities is based on their respective credit ratings. As of February 15, 2022, Moody’s, S&P and Fitch had assigned the following credit ratings to senior debt of the Registrants:

		Moody’s		S&P		Fitch
Registrant	Borrower/Instrument	Rating	Outlook (1)	Rating	Outlook (2)	Rating	Outlook (3)
CenterPoint Energy	CenterPoint Energy Senior Unsecured Debt	Baa2	Stable	BBB	Stable	BBB	Stable
CenterPoint Energy	Vectren Corp. Issuer Rating	n/a	n/a	BBB+	Stable	n/a	n/a
CenterPoint Energy	VUHI Senior Unsecured Debt	A3	Stable	BBB+	Stable	n/a	n/a
CenterPoint Energy	Indiana Gas Senior Unsecured Debt	n/a	n/a	BBB+	Stable	n/a	n/a
CenterPoint Energy	SIGECO Senior Secured Debt	A1	Stable	A	Stable	n/a	n/a
Houston Electric	Houston Electric Senior Secured Debt	A2	Stable	A	Stable	A	Stable
CERC	CERC Corp. Senior Unsecured Debt	A3	Stable	BBB+	Stable	A-	Stable

(1)A Moody’s rating outlook is an opinion regarding the likely direction of an issuer’s rating over the medium term.

(2)An S&P outlook assesses the potential direction of a long-term credit rating over the intermediate to longer term.

(3)A Fitch rating outlook indicates the direction a rating is likely to move over a one- to two-year period.

The Registrants cannot assure that the ratings set forth above will remain in effect for any given period of time or that one or more of these ratings will not be lowered or withdrawn entirely by a rating agency. The Registrants note that these credit ratings are included for informational purposes and are not recommendations to buy, sell or hold the Registrants’ securities and may be revised or withdrawn at any time by the rating agency. Each rating should be evaluated independently of any other rating. Any future reduction or withdrawal of one or more of the Registrants’ credit ratings could have a material adverse impact on the Registrants’ ability to obtain short- and long-term financing, the cost of such financings and the execution of the Registrants’ commercial strategies.

A decline in credit ratings could increase borrowing costs under the Registrants’ revolving credit facilities. If the Registrants’ credit ratings had been downgraded one notch by S&P and Moody’s from the ratings that existed as of December 31, 2021, the impact on the borrowing costs under the four revolving credit facilities would have been insignificant. A decline in credit ratings would also increase the interest rate on long-term debt to be issued in the capital markets and could negatively impact the Registrants’ ability to complete capital market transactions and to access the commercial paper market. Additionally, a decline in credit ratings could increase cash collateral requirements and reduce earnings of CenterPoint Energy’s and CERC’s Natural Gas reportable segments.

Pipeline tariffs and contracts typically provide that if the credit ratings of a shipper or the shipper’s guarantor drop below a threshold level, which is generally investment grade ratings from both Moody’s and S&P, cash or other collateral may be demanded from the shipper in an amount equal to the sum of three months’ charges for pipeline services plus the unrecouped cost of any lateral built for such shipper. If the credit ratings of CERC Corp. decline below the applicable threshold levels, CERC might need to provide cash or other collateral of as much as $213 million as of December 31, 2021. The amount of collateral will depend on seasonal variations in transportation levels.

ZENS and Securities Related to ZENS (CenterPoint Energy)

If CenterPoint Energy’s creditworthiness were to drop such that ZENS holders thought its liquidity was adversely affected or the market for the ZENS were to become illiquid, some ZENS holders might decide to exchange their ZENS for cash. Funds for the payment of cash upon exchange could be obtained from the sale of the shares of ZENS-Related Securities that CenterPoint Energy owns or from other sources. CenterPoint Energy owns shares of ZENS-Related Securities equal to approximately 100% of the reference shares used to calculate its obligation to the holders of the ZENS. ZENS exchanges result in a cash outflow because tax deferrals related to the ZENS and shares of ZENS-Related Securities would typically cease when ZENS are exchanged or otherwise retired and shares of ZENS-Related Securities are sold. The ultimate tax liability related to the ZENS and ZENS-Related Securities continues to increase by the amount of the tax benefit realized each year, and there could be a significant cash outflow when the taxes are paid as a result of the retirement or exchange of the ZENS. If all ZENS had been exchanged for cash on December 31, 2021, deferred taxes of approximately $539 million would have been payable in

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2021. If all the ZENS-Related Securities had been sold on December 31, 2021, capital gains taxes of approximately $146 million would have been payable in 2021. For additional information about ZENS, see Note 12 to the consolidated financial statements.

Cross Defaults

Under each of CenterPoint Energy’s (including VUHI’s), Houston Electric’s and CERC’s respective revolving credit facilities, a payment default on, or a non-payment default that permits acceleration of, any indebtedness for borrowed money and certain other specified types of obligations (including guarantees) exceeding $125 million by the borrower or any of their respective significant subsidiaries will cause a default under such borrower’s respective credit facility or term loan agreement. A default by CenterPoint Energy would not trigger a default under its subsidiaries’ debt instruments or revolving credit facilities.

Possible Acquisitions, Divestitures and Joint Ventures

From time to time, the Registrants consider the acquisition or the disposition of assets or businesses or possible joint ventures, strategic initiatives or other joint ownership arrangements with respect to assets or businesses. Any determination to take action in this regard will be based on market conditions and opportunities existing at the time, and accordingly, the timing, size or success of any efforts and the associated potential capital commitments are unpredictable. The Registrants may seek to fund all or part of any such efforts with proceeds from debt and/or equity issuances. Debt or equity financing may not, however, be available to the Registrants at that time due to a variety of events, including, among others, maintenance of our credit ratings, industry conditions, general economic conditions, market conditions and market perceptions. As announced in September 2021, CenterPoint Energy plans to increase its planned capital expenditures in its Electric and Natural Gas businesses to support rate base growth and may explore asset sales in addition to the recently completed sale of its Natural Gas businesses located in Arkansas and Oklahoma as a means to efficiently finance a portion of such increased capital expenditures. On January 10, 2022, CERC Corp. completed the sale of its Arkansas and Oklahoma regulated natural gas LDC businesses. For further information, see Notes 4 and 22 to the consolidated financial statements.

On December 2, 2021, the Enable Merger closed and, as a result, CenterPoint Energy received Energy Transfer Common Units and Energy Transfer Series G Preferred Units. Subsequent to the closing of the Enable Merger, in December 2021, CenterPoint Energy sold 150 million of the Energy Transfer Common Units (inclusive of the Energy Transfer Common Units sold pursuant to the Forward Sale Agreement) and half of the Energy Transfer Series G Preferred Units it received in the Enable Merger. CenterPoint Energy has announced plans to dispose of all of its interests in Energy Transfer by the end of 2022. CenterPoint Energy may not realize any or all of the anticipated strategic, financial, operational or other benefits from any disposition or reduction of its investment in Energy Transfer. There can be no assurances that any further disposal of Energy Transfer Common Units or Energy Transfer Series G Preferred Units will be completed. Any disposal of such securities may involve significant costs and expenses, including in connection with any public offering, a significant underwriting discount. For information regarding the Enable Merger, see Notes 4, 11 and 12 to the consolidated financial statements.

Hedging of Interest Expense for Future Debt Issuances

From time to time, the Registrants may enter into interest rate agreements to hedge, in part, volatility in the U.S. treasury rates by reducing variability in cash flows related to interest payments. For further information, see Note 9(a) to the consolidated financial statements.

Weather Hedge (CenterPoint Energy and CERC)

CenterPoint Energy and CERC have historically entered into partial weather hedges for certain Natural Gas jurisdictions and electric operations’ Texas service territory to mitigate the impact of fluctuations from normal weather. CenterPoint Energy and CERC remain exposed to some weather risk as a result of the partial hedges. CenterPoint Energy and CERC did not enter into any weather hedges during the year ended December 31, 2021. For more information about weather hedges, see Note 9(a) to the consolidated financial statements.

Collection of Receivables from REPs (CenterPoint Energy and Houston Electric)

Houston Electric’s receivables from the distribution of electricity are collected from REPs that supply the electricity Houston Electric distributes to their customers. Before conducting business, a REP must register with the PUCT and must meet certain financial qualifications. Nevertheless, adverse economic conditions, structural problems in the market served by ERCOT

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or financial difficulties of one or more REPs could impair the ability of these REPs to pay for Houston Electric’s services or could cause them to delay such payments. Houston Electric depends on these REPs to remit payments on a timely basis, and any delay or default in payment by REPs could adversely affect Houston Electric’s cash flows. In the event of a REP’s default, Houston Electric’s tariff provides a number of remedies, including the option for Houston Electric to request that the PUCT suspend or revoke the certification of the REP. Applicable regulatory provisions require that customers be shifted to another REP or a provider of last resort if a REP cannot make timely payments. However, Houston Electric remains at risk for payments related to services provided prior to the shift to the replacement REP or the provider of last resort. If a REP were unable to meet its obligations, it could consider, among various options, restructuring under the bankruptcy laws, in which event such REP might seek to avoid honoring its obligations and claims might be made against Houston Electric involving payments it had received from such REP. If a REP were to file for bankruptcy, Houston Electric may not be successful in recovering accrued receivables owed by such REP that are unpaid as of the date the REP filed for bankruptcy. However, PUCT regulations authorize utilities, such as Houston Electric, to defer bad debts resulting from defaults by REPs for recovery in future rate cases, subject to a review of reasonableness and necessity.

Other Factors that Could Affect Cash Requirements

In addition to the above factors, the Registrants’ liquidity and capital resources could also be negatively affected by:

•cash collateral requirements that could exist in connection with certain contracts, including weather hedging arrangements, and natural gas purchases, natural gas price and natural gas storage activities of CenterPoint Energy’s and CERC’s Natural Gas reportable segment; 

•reductions in the cash distributions we receive from Energy Transfer;

•acceleration of payment dates on certain gas supply contracts, under certain circumstances, as a result of increased natural gas prices, and concentration of natural gas suppliers (CenterPoint Energy and CERC); 

•increased costs related to the acquisition of natural gas (CenterPoint Energy and CERC); 

•increases in interest expense in connection with debt refinancings and borrowings under credit facilities or term loans or the use of alternative sources of financings due to the effects of COVID-19 on capital and other financial markets; 

•various legislative or regulatory actions; 

•incremental collateral, if any, that may be required due to regulation of derivatives (CenterPoint Energy); 

•the ability of REPs, including REP affiliates of NRG and Vistra Energy Corp., to satisfy their obligations to CenterPoint Energy and Houston Electric, including the negative impact on such ability related to COVID-19 and the February 2021 Winter Storm Event;

•slower customer payments and increased write-offs of receivables due to higher natural gas prices, changing economic conditions, COVID-19 or the February 2021 Winter Storm Event (CenterPoint Energy and CERC); 

•the satisfaction of any obligations pursuant to guarantees;

•the outcome of litigation, including litigation related to the February 2021 Winter Storm Event;

•contributions to pension and postretirement benefit plans; 

•restoration costs and revenue losses resulting from future natural disasters such as hurricanes and the timing of recovery of such restoration costs; and

•various other risks identified in “Risk Factors” in Item 1A of Part I of this report.

Certain Contractual Limits on Our Ability to Issue Securities and Borrow Money

Certain provisions in certain note purchase agreements relating to debt issued by VUHI have the effect of restricting the amount of additional first mortgage bonds issued by SIGECO. Additionally, such note purchase agreements would restrict the securitization (as enabled by Senate Bill 386 as enacted by the State of Indiana) that CenterPoint Energy intends to seek in 2022 of remaining book value and removal costs associated with generating facilities to be retired by Indiana Electric. For information about the total debt to capitalization financial covenants in the Registrants’ and certain of CenterPoint Energy’s subsidiaries’ revolving credit facilities, see Note 14 to the consolidated financial statements.

CRITICAL ACCOUNTING POLICIES

A critical accounting policy is one that is both important to the presentation of the Registrants’ financial condition and results of operations and requires management to make difficult, subjective or complex accounting estimates. An accounting estimate is an approximation made by management of a financial statement element, item or account in the financial statements. Accounting estimates in the Registrants’ historical consolidated financial statements measure the effects of past business transactions or events, or the present status of an asset or liability. The accounting estimates described below require the Registrants to make assumptions about matters that are highly uncertain at the time the estimate is made. Additionally, different estimates that the Registrants could have used or changes in an accounting estimate that are reasonably likely to occur could

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have a material impact on the presentation of their financial condition, results of operations or cash flows. The circumstances that make these judgments difficult, subjective and/or complex have to do with the need to make estimates about the effect of matters that are inherently uncertain. Estimates and assumptions about future events and their effects cannot be predicted with certainty. The Registrants base their estimates on historical experience and on various other assumptions that they believe to be reasonable under the circumstances, the results of which form the basis for making judgments. These estimates may change as new events occur, as more experience is acquired, as additional information is obtained and as the Registrants’ operating environment changes. The Registrants’ significant accounting policies are discussed in Note 2 to the consolidated financial statements. The Registrants believe the following accounting policies involve the application of critical accounting estimates. Accordingly, these accounting estimates have been reviewed and discussed with the Audit Committee of CenterPoint Energy’s Board of Directors.

Accounting for Rate Regulation

Accounting guidance for regulated operations provides that rate-regulated entities account for and report assets and liabilities consistent with the recovery of those incurred costs in rates if the rates established are designed to recover the costs of providing the regulated service and if the competitive environment makes it probable that such rates can be charged and collected. CenterPoint Energy, for its Electric and Natural Gas reportable segments, Houston Electric and CERC apply this accounting guidance. Certain expenses and revenues subject to utility regulation or rate determination normally reflected in income are deferred on the balance sheet as regulatory assets or liabilities and are recognized in income as the related amounts are included in service rates and recovered from or refunded to customers. Regulatory assets and liabilities are recorded when it is probable that these items will be recovered or reflected in future rates. Determining probability requires significant judgment on the part of management and includes, but is not limited to, consideration of testimony presented in regulatory hearings, proposed regulatory decisions, final regulatory orders and the strength or status of applications for rehearing or state court appeals. If events were to occur that would make the recovery of these assets and liabilities no longer probable, the Registrants would be required to write off or write down these regulatory assets and liabilities. For further detail on the Registrants’ regulatory assets and liabilities, see Note 7 to the consolidated financial statements.

Impairment of Long-Lived Assets, Including Identifiable Intangibles, Goodwill, and Equity Method Investments

The Registrants review the carrying value of long-lived assets, including identifiable intangibles, goodwill, equity method investments, and investments without a readily determinable fair value whenever events or changes in circumstances indicate that such carrying values may not be recoverable, and at least annually, goodwill is tested for impairment as required by accounting guidance for goodwill and other intangible assets.  Unforeseen events, changes in market conditions, and probable regulatory disallowances, where applicable, could have a material effect on the value of long-lived assets, including intangibles, goodwill, equity method investments, and investments without a readily determinable fair value due to changes in observable or estimated market value, future cash flows, interest rate, and regulatory matters could result in an impairment charge. The Registrants recorded no impairments to long-lived assets, including intangibles, goodwill, or equity method investments during 2021 and 2019. During 2020, CenterPoint Energy recognized equity method investment impairment losses as discussed further in Note 11 to the consolidated financial statements and goodwill impairment losses as discussed further in Notes 6 and 10 to the consolidated financial statements.

Fair value is the amount at which an asset, liability or business could be bought or sold in a current transaction between willing parties and may be estimated using a number of techniques, including quoted market prices or valuations by third parties, present value techniques based on estimates of cash flows, or multiples of earnings or revenue performance measures. The fair value could be different using different estimates and assumptions in these valuation techniques.

Fair value measurements require significant judgment and unobservable inputs, including (i) projected timing and amount of future cash flows, which factor in planned growth initiatives, (ii) the regulatory environment, as applicable, and (iii) discount rates reflecting risk inherent in the future market prices. Determining the discount rates for the non-rate regulated businesses requires the estimation of the appropriate company specific risk premiums for those non-rate regulated businesses based on evaluation of industry and entity-specific risks, which includes expectations about future market or economic conditions existing on the date of the impairment test. Changes in these assumptions could have a significant impact on results of the impairment tests.

Annual goodwill impairment test

CenterPoint Energy and CERC completed their 2021 annual goodwill impairment test during the third quarter of 2021 and determined, based on an income approach or a weighted combination of income and market approaches, that no goodwill

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impairment charge was required for any reporting unit. The fair values of each reporting unit significantly exceeded the carrying value of the reporting unit.

Although no goodwill impairment resulted from the 2021 annual test, an interim goodwill impairment test could be triggered by the following: actual earnings results that are materially lower than expected, significant adverse changes in the operating environment, an increase in the discount rate, changes in other key assumptions which require judgment and are forward looking in nature, if CenterPoint Energy’s market capitalization falls below book value for an extended period of time, or events affecting a reporting unit such as a contemplated disposal of all or part of a reporting unit.

Assets Held for Sale and Discontinued Operations

Generally, a long-lived asset to be sold is classified as held for sale in the period in which management, with approval from the Board of Directors, as applicable, commits to a plan to sell, and a sale is expected to be completed within one year. The Registrants record assets and liabilities held for sale, or the disposal group, at the lower of their carrying value or their estimated fair value less cost to sell. If a disposal group reflects a component of a reporting unit and meets the definition of a business, the goodwill within that reporting unit is allocated to the disposal group based on the relative fair value of the components representing a business that will be retained and disposed. Goodwill is not allocated to a portion of a reporting unit that does not meet the definition of a business. A disposal group that meets the held for sale criteria and also represents a strategic shift to the Registrant is also reflected as discontinued operations on the Statements of Consolidated Income, and prior periods are recast to reflect the earnings or losses from such businesses as income from discontinued operations, net of tax.

During the year ended December 31, 2021, as described further in Note 4 to the consolidated financial statements, certain assets and liabilities representing a business met the held for sale criteria. As a result, goodwill attributable to the natural gas reporting unit of $398 million and $144 million at CenterPoint Energy and CERC, respectively, was deemed attributable to assets held for sale as of December 31, 2021. Neither CenterPoint Energy nor CERC recognized any gains or losses upon classification of held for sale, including impairments of goodwill, during the year ended December 31, 2021.

Fair value is the amount at which an asset, liability or business could be bought or sold in a current transaction between willing parties and may be estimated using a number of techniques, including quoted market prices, present value techniques based on estimates of cash flows, or multiples of earnings or revenue performance measures. The fair value could be different if different estimates and assumptions in these valuation techniques were applied.

Fair value measurements require significant judgment and often unobservable inputs, including (i) projected timing and amount of future cash flows, which factor in planned growth initiatives, (ii) the regulatory environment, as applicable, and (iii) discount rates reflecting risk inherent in the future market prices. Changes in these assumptions could have a significant impact on the resulting fair value.

CenterPoint Energy and CERC used a market approach consisting of the contractual sales price adjusted for estimated working capital and other contractual purchase price adjustments to determine fair value of the businesses classified as held for sale. The fair value of the retained businesses within the natural gas reporting unit was estimated based on a weighted combination of income and market approaches, consistent with the methodology used in the 2021 and 2020 annual goodwill impairment tests. A third-party valuation specialist was utilized to determine the key assumptions used in the estimate of fair value of the retained natural gas reporting unit as of December 31, 2021. The fair value of the retained natural gas reporting unit at CenterPoint Energy and CERC significantly exceeded the carrying value of the retained businesses within that reporting unit immediately after classifying the Arkansas and Oklahoma Natural Gas businesses as held for sale.

For further information, see Note 4 to the consolidated financial statements.

Unbilled Revenues

Revenues related to electricity delivery and natural gas sales and services are generally recognized upon delivery to customers. However, the determination of deliveries to individual customers is based on the reading of their meters, which is performed on a systematic basis throughout the month either electronically through AMS meter communications or manual readings. At the end of each month, deliveries to non-AMS customers since the date of the last meter reading are estimated and the corresponding unbilled revenue is estimated. Information regarding deliveries to AMS customers after the last billing is obtained from actual AMS meter usage data. Unbilled electricity delivery revenue is estimated each month based on actual AMS meter data, daily supply volumes and applicable rates. Unbilled natural gas sales are estimated based on estimated

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purchased gas volumes, estimated lost and unaccounted for gas and tariffed rates in effect. As additional information becomes available, or actual amounts are determinable, the recorded estimates are revised. Consequently, operating results can be affected by revisions to prior accounting estimates.

Pension and Other Retirement Plans

CenterPoint Energy sponsors pension and other retirement plans in various forms covering all employees who meet eligibility requirements. CenterPoint Energy uses several statistical and other factors that attempt to anticipate future events in calculating the expense and liability related to its plans. These factors include assumptions about the discount rate, expected return on plan assets and rate of future compensation increases as estimated by management, within certain guidelines. In addition, CenterPoint Energy’s actuarial consultants use subjective factors such as withdrawal and mortality rates. The actuarial assumptions used may differ materially from actual results due to changing market and economic conditions, higher or lower withdrawal rates or longer or shorter life spans of participants. These differences may result in a significant impact to the amount of pension and other retirement plans expense recorded. Please read “— Other Significant Matters — Pension Plans” for further discussion.

NEW ACCOUNTING PRONOUNCEMENTS

See Note 2(u) to the consolidated financial statements, incorporated herein by reference, for a discussion of new accounting pronouncements that affect the Registrants.

OTHER SIGNIFICANT MATTERS

Pension Plans (CenterPoint Energy).  As discussed in Note 8(b) to the consolidated financial statements, CenterPoint Energy maintains non-contributory qualified defined benefit pension plans covering eligible employees. Employer contributions for the qualified plans are based on actuarial computations that establish the minimum contribution required under ERISA and the maximum deductible contribution for income tax purposes.

Under the terms of CenterPoint Energy’s pension plans, it reserves the right to change, modify or terminate the plan. CenterPoint Energy’s funding policy is to review amounts annually and contribute an amount at least equal to the minimum contribution required under ERISA.

Additionally, CenterPoint Energy maintains unfunded non-qualified benefit restoration plans that allows participants to receive the benefits to which they would have been entitled under the non-contributory qualified pension plan except for the federally mandated limits on qualified plan benefits or on the level of compensation on which qualified plan benefits may be calculated.

CenterPoint Energy’s funding requirements and employer contributions for the years ended December 31, 2021, 2020 and 2019 were as follows:

	Year Ended December 31,
	2021		2020		2019
CenterPoint Energy	(in millions)
Minimum funding requirements for qualified pension plans	$	—	$	76	$	86
Employer contributions to the qualified pension plans	53		76		86
Employer contributions to the non-qualified benefit restoration plans	8		10		23

Although CenterPoint Energy’s minimum contribution requirement to the qualified pension plans in 2022 is zero, it expects to make contributions aggregating up to $50 million. CenterPoint Energy expects to make contributions aggregating approximately $7 million to the non-qualified benefit restoration plans in 2022.

Changes in pension obligations and assets may not be immediately recognized as pension expense in CenterPoint Energy’s Statements of Consolidated Income, but generally are recognized in future years over the remaining average service period of plan participants. As such, significant portions of pension expense recorded in any period may not reflect the actual level of benefit payments provided to plan participants.

As the sponsor of a plan, CenterPoint Energy is required to (a) recognize on its Consolidated Balance Sheet an asset for the plan’s over-funded status or a liability for the plan’s under-funded status, (b) measure a plan’s assets and obligations as of the

75

end of the fiscal year and (c) recognize changes in the funded status of the plans in the year that changes occur through adjustments to other comprehensive income and, when related to its rate-regulated utilities with recoverability of cost, to regulatory assets.

The projected benefit obligation for all defined benefit pension plans was $2.3 billion and $2.5 billion as of December 31, 2021 and 2020, respectively.

As of December 31, 2021, the projected benefit obligation exceeded the market value of plan assets of CenterPoint Energy’s pension plans by $226 million. Changes in interest rates or the market values of the securities held by the plan during 2022 could materially, positively or negatively, change the funded status and affect the level of pension expense and required contributions.

Houston Electric and CERC participate in CenterPoint Energy’s qualified and non-qualified pension plans covering substantially all employees. Pension cost by Registrant were as follows:

	Year Ended December 31,
	2021						2020						2019
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Pension cost	$	69	$	34	$	27	$	49	$	19	$	20	$	93	$	40	$	35

The calculation of pension cost and related liabilities requires the use of assumptions. Changes in these assumptions can result in different expense and liability amounts, and future actual experience can differ from the assumptions. Two of the most critical assumptions are the expected long-term rate of return on plan assets and the assumed discount rate.

As of December 31, 2021, CenterPoint Energy’s qualified pension plans had an expected long-term rate of return on plan assets of 5.00% rate, which is the same rate assumed as of December 31, 2020. The expected rate of return assumption was developed using the targeted asset allocation of our plans and the expected return for each asset class. CenterPoint Energy regularly reviews its actual asset allocation and periodically rebalances plan assets to reduce volatility and better match plan assets and liabilities.

As of December 31, 2021, the projected benefit obligation was calculated assuming a discount rate of 2.80%, which is 0.35% higher than the 2.45% discount rate assumed as of December 31, 2020. The discount rate was determined by reviewing yields on high-quality bonds that receive one of the two highest ratings given by a recognized rating agency and the expected duration of pension obligations specific to the characteristics of CenterPoint Energy’s plans.

CenterPoint Energy’s actuarially determined pension and other postemployment cost for 2021 and 2020 that is greater or less than the amounts being recovered through rates in the majority of Texas jurisdictions is deferred as a regulatory asset or liability, respectively.  Pension cost for 2022, including the nonqualified benefit restoration plan, is estimated to be $22 million before applicable regulatory deferrals and capitalization, based on an expected return on plan assets of 5.00% and a discount rate of 2.80% as of December 31, 2021. If the expected return assumption were lowered by 0.50% from 5.00% to 4.50%, 2022 pension cost would increase by approximately $10 million.

As of December 31, 2021, the pension plans projected benefit obligation, including the unfunded nonqualified pension plans, exceeded plan assets by $226 million.  If the discount rate were lowered by 0.50% from 2.80% to 2.30%, the assumption change would increase CenterPoint Energy’s projected benefit obligation by approximately $118 million and decrease its 2022 pension cost by approximately $5 million. The expected reduction in pension cost due to the decrease in discount rate is a result of the expected correlation between the reduced interest rate and appreciation of fixed income assets in pension plans with significantly more fixed income instruments than equity instruments. In addition, the assumption change would impact CenterPoint Energy’s Consolidated Balance Sheets by increasing the regulatory asset recorded as of December 31, 2021 by $100 million and would result in a charge to comprehensive income in 2021 of $14 million, net of tax of $4 million, due to the increase in the projected benefit obligation.

Future changes in plan asset returns, assumed discount rates and various other factors related to the pension plans will impact CenterPoint Energy’s future pension expense and liabilities. CenterPoint Energy cannot predict with certainty what these factors will be in the future.

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Item 7A.     Quantitative and Qualitative Disclosures About Market Risk

Impact of Changes in Interest Rates, Equity Prices and Energy Commodity Prices

The Registrants are exposed to various market risks. These risks arise from transactions entered into in the normal course of business and are inherent in the Registrants’ consolidated financial statements. Most of the revenues and income from the Registrants’ business activities are affected by market risks. Categories of market risk include exposure to commodity prices through non-trading activities, interest rates and equity prices. A description of each market risk is set forth below:

•Interest rate risk primarily results from exposures to changes in the level of borrowings and changes in interest rates.

•Equity price risk results from exposures to changes in prices of individual equity securities (CenterPoint Energy).

•Commodity price risk results from exposures to price volatilities of commodities, such as natural gas, NGLs and other energy commodities (CenterPoint Energy).

Management has established comprehensive risk management policies to monitor and manage these market risks.

Interest Rate Risk

As of December 31, 2021, the Registrants had outstanding long-term debt and lease obligations and CenterPoint Energy had obligations under its ZENS that subject them to the risk of loss associated with movements in market interest rates.

CenterPoint Energy’s floating rate obligations aggregated $4.5 billion and $2.4 billion as of December 31, 2021 and 2020, respectively. If the floating interest rates were to increase by 10% from December 31, 2021 rates, CenterPoint Energy’s combined interest expense would increase by approximately $2 million annually.

Houston Electric did not have any floating rate obligations as of either December 31, 2021 or 2020.

CERC’s floating rate obligations aggregated $1.9 billion and $347 million as of December 31, 2021 and 2020, respectively. If the floating interest rates were to increase by 10% from December 31, 2021 rates, CERC’s combined interest expense would increase by approximately $1 million annually.

As of December 31, 2021 and 2020, CenterPoint Energy had outstanding fixed-rate debt (excluding indexed debt securities) aggregating $11.7 billion and $11.1 billion, respectively, in principal amount and having a fair value of $13.0 billion and $12.9 billion, respectively. Because these instruments are fixed-rate, they do not expose CenterPoint Energy to the risk of loss in earnings due to changes in market interest rates. However, the fair value of these instruments would increase by approximately $359 million if interest rates were to decline by 10% from their levels as of December 31, 2021.

As of December 31, 2021 and 2020, Houston Electric had outstanding fixed-rate debt aggregating $5.5 billion and $5.1 billion, respectively, in principal amount and having a fair value of approximately $6.3 billion and $6.0 billion, respectively. Because these instruments are fixed-rate, they do not expose Houston Electric to the risk of loss in earnings due to changes in market interest rates. However, the fair value of these instruments would increase by approximately $214 million if interest rates were to decline by 10% from their levels as of December 31, 2021.

As of December 31, 2021 and 2020, CERC had outstanding fixed-rate debt aggregating $2.5 billion and $2.1 billion, respectively, in principal amount and having a fair value of $2.8 billion and $2.5 billion, respectively. Because these instruments are fixed-rate, they do not expose CERC to the risk of loss in earnings due to changes in market interest rates. However, the fair value of these instruments would increase by approximately $71 million if interest rates were to decline by 10% from their levels at December 31, 2021.

In general, such an increase in fair value would impact earnings and cash flows only if the Registrants were to reacquire all or a portion of these instruments in the open market prior to their maturity.

As discussed in Note 12 to the consolidated financial statements, the ZENS obligation is bifurcated into a debt component and a derivative component. The debt component of $10 million at December 31, 2021 was a fixed-rate obligation and, therefore, did not expose CenterPoint Energy to the risk of loss in earnings due to changes in market interest rates. However, the fair value of the debt component would increase by approximately $1 million if interest rates were to decline by 10% from levels at December 31, 2021. Changes in the fair value of the derivative component, a $903 million recorded liability at December 31, 2021, are recorded in CenterPoint Energy’s Statements of Consolidated Income and, therefore, it is exposed to changes in the fair value of the derivative component as a result of changes in the underlying risk-free interest rate. If the risk-

77

free interest rate were to increase by 10% from December 31, 2021 levels, the fair value of the derivative component liability would decrease by approximately $1 million, which would be recorded as an unrealized gain in CenterPoint Energy’s Statements of Consolidated Income.

Equity Market Value Risk (CenterPoint Energy)

CenterPoint Energy is exposed to equity market value risk through its ownership of 10.2 million shares of AT&T Common and 0.9 million shares of Charter Common, which CenterPoint Energy holds to facilitate its ability to meet its obligations under the ZENS and through its ownership of 51 million shares of Energy Transfer Common Units and 0.2 million shares of Energy Transfer Series G Preferred Units. See Note 12 to the consolidated financial statements for a discussion of CenterPoint Energy’s ZENS obligation and the Energy Transfer Common Units and Energy Transfer Series G Preferred Units that CenterPoint Energy holds. Changes in the fair value of the ZENS-Related Securities held by CenterPoint Energy are expected to substantially offset changes in the fair value of the derivative component of the ZENS. A decrease of 10% from the December 31, 2021 aggregate market value of these shares would result in a net loss of less than $1 million, which would be recorded as a loss on debt securities in CenterPoint Energy’s Statements of Consolidated Income.

Commodity Price Risk From Non-Trading Activities (CenterPoint Energy)

CenterPoint Energy’s regulated operations in Indiana have limited exposure to commodity price risk for transactions involving purchases and sales of natural gas, coal and purchased power for the benefit of retail customers due to current state regulations, which, subject to compliance with those regulations, allow for recovery of the cost of such purchases through natural gas and fuel cost adjustment mechanisms. CenterPoint Energy’s utility natural gas operations in Indiana have regulatory authority to lock in pricing for up to 50% of annual natural gas purchases using arrangements with an original term of up to 10 years. This authority has been utilized to secure fixed price natural gas using both physical purchases and financial derivatives. As of December 31, 2021, the recorded fair value of non-trading energy derivative assets was $14 million for CenterPoint Energy’s utility natural gas operations in Indiana, which is offset by a regulatory asset.

Although CenterPoint Energy’s regulated operations are exposed to limited commodity price risk, natural gas and coal prices have other effects on working capital requirements, interest costs, and some level of price-sensitivity in volumes sold or delivered. Constructive regulatory orders, such as those authorizing lost margin recovery, other innovative rate designs and recovery of unaccounted for natural gas and other natural gas-related expenses, also mitigate the effect natural gas costs may have on CenterPoint Energy’s financial condition. In 2008, the PUCO approved an exit of the merchant function in CenterPoint Energy’s Ohio natural gas service territory, allowing Ohio customers to purchase substantially all natural gas directly from retail marketers rather than from CenterPoint Energy.

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Item 8.        Financial Statements and Supplementary Data

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the Board of Directors and Shareholders of

CenterPoint Energy, Inc.

Opinion on the Financial Statements

We have audited the accompanying consolidated balance sheets of CenterPoint Energy, Inc. and subsidiaries (the "Company") as of December 31, 2021 and 2020, the related statements of consolidated income, comprehensive income, changes in equity, and cash flows, for each of the three years in the period ended December 31, 2021, and the related notes (collectively referred to as the "financial statements"). In our opinion, the financial statements present fairly, in all material respects, the financial position of the Company as of December 31, 2021 and 2020, and the results of its operations and its cash flows for each of the three years in the period ended December 31, 2021, in conformity with accounting principles generally accepted in the United States of America.

We have also audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the Company's internal control over financial reporting as of December 31, 2021, based on criteria established in Internal Control — Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission and our report dated February 22, 2022, expressed an unqualified opinion on the Company's internal control over financial reporting.

Basis for Opinion

These financial statements are the responsibility of the Company's management. Our responsibility is to express an opinion on the Company's financial statements based on our audits. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement, whether due to error or fraud. Our audits included performing procedures to assess the risks of material misstatement of the financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the financial statements. We believe that our audits provide a reasonable basis for our opinion.

Critical Audit Matter

The critical audit matter communicated below is a matter arising from the current-period audit of the financial statements that was communicated or required to be communicated to the audit committee and that (1) relates to accounts or disclosures that are material to the financial statements and (2) involved our especially challenging, subjective, or complex judgments. The communication of critical audit matters does not alter in any way our opinion on the financial statements, taken as a whole, and we are not, by communicating the critical audit matters below, providing a separate opinion on the critical audit matter or on the accounts or disclosures to which it relates.

Impact of Rate Regulation on the Financial Statements — Refer to Notes 2 and 7 to the financial statements

Critical Audit Matter Description

The Company is subject to rate regulation by regulators and commissions in various jurisdictions (collectively, the “Commissions”) that have jurisdiction with respect to the rates of electric and gas transmission and distribution companies in those jurisdictions. Management has determined its regulated operations meet the requirements under accounting principles generally accepted in the United States of America to prepare its financial statements applying the specialized rules to account for the effects of cost-based rate regulation. Accounting for the economics of rate regulation impacts multiple financial statement line items and disclosures, such as property, plant, and equipment, net; prepaid expenses and other current assets; regulatory assets and liabilities; utility revenues and expenses; operation and maintenance expense; depreciation and amortization expense; and income tax expense.

The Company’s rates are subject to regulatory rate-setting processes by the Commissions. Rates are determined and approved in regulatory proceedings based on an analysis of the Company’s costs to provide utility service and a return on, and recovery of, the Company’s investment in the utility business. Regulatory decisions can have an impact on the recovery of costs, the rate of return earned on investment, and the timing and amount of assets to be recovered by rates. The regulation of rates is premised on the full recovery of prudently incurred costs and a reasonable rate of return on invested capital. Decisions to be made by the Commissions in

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the future will impact the accounting for regulated operations, including decisions about the amount of allowable costs and return on invested capital included in rates and any refunds that may be required. While the Company has indicated it expects to recover costs from customers through regulated rates, there is a risk that the Commissions will not approve: (1) full recovery of the costs of providing utility service, or (2) full recovery of all amounts invested in the utility business and a reasonable return on that investment.

We identified the impact of rate regulation as a critical audit matter due to the significant judgments made by management to support its assertions about affected account balances and disclosures and the high degree of subjectivity involved in assessing the impact of future regulatory actions on the financial statements. Management judgments include assessing the likelihood of (1) recovery in future rates of incurred costs, (2) a disallowance of capital investments made by the Company and (3) refunds to customers. Given that certain of management’s accounting judgments are based on assumptions about the outcome of future decisions by the Commissions, auditing these judgments required specialized knowledge of accounting for rate regulation and the rate setting process.

How the Critical Audit Matter Was Addressed in the Audit

Our audit procedures related to the uncertainty of future decisions by the Commissions included the following, among others:

•We tested the effectiveness of management’s controls over the evaluation of the likelihood of (1) the recovery in future rates of costs incurred and deferred as regulatory assets, and (2) refund or future reductions in rates that should be reported as regulatory liabilities. We also tested the effectiveness of management’s controls over the initial recognition of amounts as regulatory assets or liabilities; and the monitoring and evaluation of regulatory developments that may affect the likelihood of recovering costs in future rates or of a future reduction in rates.

•We evaluated the Company’s disclosures related to the impacts of rate regulation, including the balances recorded and regulatory developments.

•We read relevant regulatory orders issued by the Commissions for the Company and other public utilities, regulatory statutes, interpretations, procedural memorandums, filings made by intervenors, and other publicly available information to assess the likelihood of recovery in future rates or of a future reduction in rates based on precedents of the Commissions’ treatment of similar costs under similar circumstances. We evaluated the external information and compared to management’s recorded regulatory asset and liability balances for completeness.

•For regulatory matters in process, we inspected the Company’s filings with the Commissions and the filings with the Commissions by intervenors that may impact the Company’s future rates, for any evidence that might contradict management’s assertions.

•We evaluated management’s assertion that no indicators of impairment were identified in connection with the Company's property, plant, and equipment. We inspected the capital projects budget and inquired of management to identify projects that are designed to replace assets that may be retired prior to the end of the useful life. We inspected minutes of the board of directors and regulatory orders and other filings with the Commissions to identify any evidence that may contradict management’s assertion regarding probability of a disallowance of long-lived assets.

•We evaluated regulatory filings for any evidence that intervenors are challenging full recovery of the cost of any capital projects and inquired of management to assess whether capitalized costs are probable of disallowance.

•We obtained an analysis from management and letters from internal and external legal counsel, as appropriate, regarding probability of recovery for regulatory assets or refund or future reduction in rates for regulatory liabilities not yet addressed in a regulatory order to assess management’s assertion that amounts are probable of recovery or a future reduction in rates.

/s/ DELOITTE & TOUCHE LLP

Houston, Texas

February 22, 2022 

We have served as the Company’s auditor since 1932.

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CENTERPOINT ENERGY, INC. AND SUBSIDIARIES

STATEMENTS OF CONSOLIDATED INCOME

	Year Ended December 31,
	2021		2020		2019
	(in millions, except per share amounts)
Revenues:
Utility revenues	$	8,042	$	7,049	$	7,202
Non-utility revenues	310		369		362
Total	8,352		7,418		7,564
Expenses:
Utility natural gas, fuel and purchased power	2,127		1,488		1,762
Non-utility cost of revenues, including natural gas	208		257		257
Operation and maintenance	2,810		2,744		2,775
Depreciation and amortization	1,316		1,189		1,225
Taxes other than income taxes	528		516		474
Goodwill impairment	—		185		—
Total	6,989		6,379		6,493
Operating Income	1,363		1,039		1,071
Other Income (Expense):
Gain (loss) on equity securities	(172)		49		282
Gain (loss) on indexed debt securities	50		(60)		(292)
Gain on sale	8		—		—
Interest expense and other finance charges	(508)		(501)		(528)
Interest expense on Securitization Bonds	(21)		(28)		(39)
Other income, net	58		64		51
Total	(585)		(476)		(526)
Income from Continuing Operations Before Income Taxes	778		563		545
Income tax expense	110		80		30
Income from Continuing Operations	668		483		515
Income (Loss) from Discontinued Operations (net of tax expense (benefit) of $201, $(333), and $108, respectively)	818		(1,256)		276
Net Income (Loss)	1,486		(773)		791
Income allocated to preferred shareholders	95		176		117
Income (Loss) Available to Common Shareholders	$	1,391	$	(949)	$	674
Basic earnings per common share - continuing operations	$	0.97	$	0.58	$	0.79
Basic earnings (loss) per common share - discontinued operations	1.38		(2.37)		0.55
Basic Earnings (Loss) Per Common Share	$	2.35	$	(1.79)	$	1.34
Diluted earnings per common share - continuing operations	$	0.94	$	0.58	$	0.79
Diluted earnings (loss) per common share - discontinued operations	1.34		(2.37)		0.54
Diluted Earnings (Loss) Per Common Share	$	2.28	$	(1.79)	$	1.33
Weighted Average Common Shares Outstanding, Basic	593		531		502
Weighted Average Common Shares Outstanding, Diluted	610		531		505

See Combined Notes to Consolidated Financial Statements

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CENTERPOINT ENERGY, INC. AND SUBSIDIARIES

STATEMENTS OF CONSOLIDATED COMPREHENSIVE INCOME

	Year Ended December 31,
	2021		2020		2019
	(in millions)
Net Income (Loss)	$	1,486	$	(773)	$	791
Other comprehensive income (loss):
Adjustment to pension and other postemployment plans (net of tax expense of $7, $-0- and $4, respectively)	21		(5)		12
Net deferred loss from cash flow hedges (net of tax benefit of $-0-, $-0- and $1, respectively)	—		—		(2)
Reclassification of deferred loss from cash flow hedges realized in net income (net of tax expense of $-0-, $-0- and $-0-, respectively)	2		—		1
Reclassification of net deferred losses from cash flow hedges (net of tax expense of $-0-, $4, and $-0-, respectively)	—		15		—
Other comprehensive income (loss) from unconsolidated affiliates (net of tax of $-0-, $-0-, and $-0-, respectively)	3		(2)		(1)
Total	26		8		10
Comprehensive income (loss)	1,512		(765)		801
Income allocated to preferred shareholders	95		176		117
Comprehensive income (loss) available to common shareholders	$	1,417	$	(941)	$	684

See Combined Notes to Consolidated Financial Statements

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CENTERPOINT ENERGY, INC. AND SUBSIDIARIES

CONSOLIDATED BALANCE SHEETS

	December 31, 2021		December 31, 2020
	(in millions)
ASSETS
Current Assets:
Cash and cash equivalents ($92 and $139 related to VIEs, respectively)	$	230	$	147
Investment in equity securities	1,439		871
Accounts receivable ($29 and $23 related to VIEs, respectively), less allowance for credit losses of $44 and $52, respectively	690		676
Accrued unbilled revenues, less allowance for credit losses of $6 and $5, respectively	513		505
Natural gas and coal inventory	186		203
Materials and supplies	422		297
Non-trading derivative assets	9		—
Taxes receivable	1		82
Current assets held for sale	2,338		—
Regulatory assets	1,395		18
Prepaid expense and other current assets ($19 and $15 related to VIEs, respectively)	132		121
Total current assets	7,355		2,920
Property, Plant and Equipment, net	23,484		22,362
Other Assets:
Goodwill	4,294		4,697
Regulatory assets ($420 and $633 related to VIEs, respectively)	2,321		2,094
Non-trading derivative assets	5		—
Preferred units - unconsolidated affiliate	—		363
Non-current assets held for sale	—		782
Other non-current assets	220		253
Total other assets	6,840		8,189
Total Assets	$	37,679	$	33,471

See Combined Notes to Consolidated Financial Statements

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CENTERPOINT ENERGY, INC. AND SUBSIDIARIES

CONSOLIDATED BALANCE SHEETS, cont.

	December 31, 2021		December 31, 2020
	(in millions, except par value  and shares)
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current Liabilities:
Short-term borrowings	$	7	$	24
Current portion of VIE Securitization Bonds long-term debt	220		211
Indexed debt, net	10		15
Current portion of other long-term debt	308		1,669
Indexed debt securities derivative	903		953
Accounts payable	1,196		853
Taxes accrued	378		265
Interest accrued	136		145
Dividends accrued	131		136
Customer deposits	111		119
Non-trading derivative liabilities	2		3
Current liabilities held for sale	562		—
Other	323		432
Total current liabilities	4,287		4,825
Other Liabilities:
Deferred income taxes, net	3,904		3,603
Non-trading derivative liabilities	12		27
Benefit obligations	511		680
Regulatory liabilities	3,153		3,448
Other	836		1,019
Total other liabilities	8,416		8,777
Long-term Debt:
VIE Securitization Bonds, net	317		536
Other long-term debt, net	15,241		10,985
Total long-term debt, net	15,558		11,521
Commitments and Contingencies (Note 16)
Temporary Equity (Note 19)	3		—
Shareholders’ Equity:
Cumulative preferred stock, $0.01 par value, 20,000,000 shares authorized, 800,000 shares and 2,402,400 shares outstanding, respectively, $800 and $2,402 liquidation preference, respectively (Note 13)	790		2,363
Common stock, $0.01 par value, 1,000,000,000 shares authorized, 628,923,534 shares and 551,355,861 shares outstanding, respectively	6		6
Additional paid-in capital	8,529		6,914
Retained earnings (accumulated deficit)	154		(845)
Accumulated other comprehensive loss	(64)		(90)
Total shareholders’ equity	9,415		8,348
Total Liabilities and Shareholders’ Equity	$	37,679	$	33,471

See Combined Notes to Consolidated Financial Statements

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CENTERPOINT ENERGY, INC. AND SUBSIDIARIES

STATEMENTS OF CONSOLIDATED CASH FLOWS

	Year Ended December 31,
	2021		2020		2019
	(in millions)
Cash Flows from Operating Activities:
Net income	$	1,486	$	(773)	$	791
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	1,316		1,189		1,225
Deferred income taxes	213		(429)		69
Goodwill impairment and loss from reclassification to held for sale	—		175		48
Goodwill impairment	—		185		—
Gain on Enable Merger	(681)		—		—
Loss (gain) on equity securities	172		(49)		(282)
Loss (gain) on indexed debt securities	(50)		60		292
Equity in (earnings) losses of unconsolidated affiliates	(339)		1,428		(230)
Distributions from unconsolidated affiliates	155		113		261
Pension contributions	(61)		(86)		(109)
Changes in other assets and liabilities, excluding acquisitions:
Accounts receivable and unbilled revenues, net	(98)		90		226
Inventory	(140)		9		(52)
Taxes receivable	81		24		(106)
Accounts payable	175		2		(455)
Net regulatory assets and liabilities	(2,295)		(107)		(22)
Other current assets and liabilities	56		104		(195)
Other assets and liabilities	(53)		25		49
Other operating activities, net	85		35		128
Net cash provided by operating activities	22		1,995		1,638
Cash Flows from Investing Activities:
Capital expenditures	(3,164)		(2,596)		(2,506)
Acquisitions, net of cash acquired	—		—		(5,991)
Transaction costs related to Enable Merger (Note 4)	(49)		—		—
Cash received related to Enable Merger	5		—		—
Distributions from unconsolidated affiliates in excess of cumulative earnings	—		80		42
Proceeds from sale of equity securities, net of transaction costs	1,320		—		—
Proceeds from divestitures (Note 4)	22		1,215		—
Other investing activities, net	15		36		34
Net cash used in investing activities	(1,851)		(1,265)		(8,421)
Cash Flows from Financing Activities:
Decrease in short-term borrowings, net	(27)		—		—
Payment of obligation for finance lease	(179)		—		—
Borrowings from revolving credit facilities	—		1,050		135
Repayments of revolving credit facilities	—		(1,050)		(135)
Proceeds from (payments of) commercial paper, net	1,132		(761)		1,891
Proceeds from long-term debt	4,493		799		2,916
Payments of long-term debt, including make-whole premiums	(2,968)		(1,724)		(1,302)
Payment of debt issuance costs	(38)		(8)		(20)
Payment of dividends on Common Stock	(385)		(392)		(577)
Payment of dividends on Preferred Stock	(107)		(137)		(118)
Proceeds from issuance of Common Stock, net	—		672		—
Proceeds from issuance of Series C Preferred stock, net	—		723		—
Other financing activities, net	(5)		(6)		(14)
Net cash provided by (used in) financing activities	1,916		(834)		2,776
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash	87		(104)		(4,007)
Cash, Cash Equivalents and Restricted Cash at Beginning of Year	167		271		4,278
Cash, Cash Equivalents and Restricted Cash at End of Year	$	254	$	167	$	271

See Combined Notes to Consolidated Financial Statements

85

CENTERPOINT ENERGY, INC. AND SUBSIDIARIES

STATEMENTS OF CONSOLIDATED CHANGES IN EQUITY

	2021			2020			2019
	Shares	Amount		Shares	Amount		Shares	Amount
	(in millions of dollars and shares, except authorized shares and per share amounts)
Cumulative Preferred Stock, $0.01 par value; authorized 20,000,000 shares
Balance, beginning of year	3	$	2,363	2	$	1,740	2	$	1,740
Issuances of Series C Preferred Stock, net of issuance costs	—	—		1	723		—	—
Conversion of Series B Preferred Stock and Series C Preferred Stock	(2)	(1,573)		—	(100)		—	—
Balance, end of year	1	790		3	2,363		2	1,740
Common Stock, $0.01 par value; authorized 1,000,000,000 shares
Balance, beginning of year	551	6		502	5		501	5
Issuances related to benefit and investment plans	1	—		1	—		1	—
Issuances of Common Stock	77	—		48	1		—	—
Balance, end of year	629	6		551	6		502	5
Additional Paid-in-Capital
Balance, beginning of year		6,914			6,080			6,072
Issuances related to benefit and investment plans		41			30			8
Issuances of Common Stock, net of issuance costs		1			672			—
Conversion of Series B Preferred Stock and Series C Preferred Stock		1,573			100			—
Recognition of beneficial conversion feature		—			32			—
Balance, end of year		8,529			6,914			6,080
Retained Earnings (Accumulated Deficit)
Balance, beginning of year		(845)			632			349
Net income (loss)		1,486			(773)			791
Common Stock dividends declared (see Note 13)		(404)			(480)			(433)
Series A Preferred Stock dividends declared (see Note 13)		(49)			(73)			(24)
Series B Preferred Stock dividends declared (see Note 13)		(34)			(85)			(51)
Series C Preferred Stock dividends declared (see Note 13)		—			(27)			—
Amortization of beneficial conversion feature		—			(32)			—
Adoption of ASU 2016-13		—			(7)			—
Balance, end of year		154			(845)			632
Accumulated Other Comprehensive Loss
Balance, beginning of year		(90)			(98)			(108)
Other comprehensive income		26			8			10
Balance, end of year		(64)			(90)			(98)
Total Shareholders’ Equity		$	9,415		$	8,348		$	8,359

See Combined Notes to Consolidated Financial Statements

86

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the Member of

CenterPoint Energy Houston Electric, LLC

Opinion on the Financial Statements

We have audited the accompanying balance sheets of CenterPoint Energy Houston Electric, LLC and subsidiaries (an indirect wholly-owned subsidiary of CenterPoint Energy, Inc.) (the "Company") as of December 31, 2021 and 2020, the related statements of consolidated income, comprehensive income, changes in equity, and cash flows, for each of the three years in the period ended December 31, 2021, and the related notes (collectively referred to as the "financial statements"). In our opinion, the financial statements present fairly, in all material respects, the financial position of the Company as of December 31, 2021 and 2020, and the results of its operations and its cash flows for each of the three years in the period ended December 31, 2021, in conformity with accounting principles generally accepted in the United States of America.

Basis for Opinion

These financial statements are the responsibility of the Company's management. Our responsibility is to express an opinion on the Company's financial statements based on our audits. We are a public accounting firm registered with the Public Company Accounting Oversight Board (United States) (PCAOB) and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement, whether due to error or fraud. The Company is not required to have, nor were we engaged to perform, an audit of its internal control over financial reporting. As part of our audits, we are required to obtain an understanding of internal control over financial reporting but not for the purpose of expressing an opinion on the effectiveness of the Company’s internal control over financial reporting. Accordingly, we express no such opinion.

Our audits included performing procedures to assess the risks of material misstatement of the financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the financial statements. We believe that our audits provide a reasonable basis for our opinion.

Critical Audit Matter

The critical audit matter communicated below is a matter arising from the current-period audit of the financial statements that was communicated or required to be communicated to the audit committee and that (1) relates to accounts or disclosures that are material to the financial statements and (2) involved our especially challenging, subjective, or complex judgments. The communication of critical audit matters does not alter in any way our opinion on the financial statements, taken as a whole, and we are not, by communicating the critical audit matter below, providing a separate opinion on the critical audit matter or on the accounts or disclosures to which it relates.

Impact of Rate Regulation on the Financial Statements — Refer to Note 2 and 7 to the financial statements

Critical Audit Matter Description

The Company is subject to rate regulation by the Public Utility Commission of Texas (“PUCT”), which has jurisdiction with respect to the rates charged by electric transmission and distribution companies in Texas. Management has determined it meets the requirements under accounting principles generally accepted in the United States of America to prepare its financial statements applying the specialized rules to account for the effects of cost-based rate regulation. Accounting for the economics of rate regulation impacts multiple financial statement line items and disclosures, such as property, plant, and equipment, net; regulatory assets and liabilities; utility revenues; operation and maintenance expense; depreciation and amortization expense; and income tax expense.

The Company’s rates are subject to regulatory rate-setting processes by the PUCT. Rates are determined and approved in regulatory proceedings based on an analysis of the Company’s costs to provide utility service and a return on, and recovery of, the Company’s investment in the utility business. Regulatory decisions can have an impact on the recovery of costs, the rate of return earned on investment, and the timing and amount of assets to be recovered by rates. The PUCT’s regulation of rates is premised on the full recovery of prudently incurred costs and a reasonable rate of return on invested capital. Decisions to be made by the PUCT in the future will impact the accounting for regulated operations, including decisions about the amount of allowable costs and return on invested capital included in rates and any refunds that may be required. While the Company has indicated it expects to recover costs

87

from customers through regulated rates, there is a risk that the PUCT will not approve: (1) full recovery of the costs of providing utility service, or (2) full recovery of all amounts invested in the utility business and a reasonable return on that investment.

We identified the impact of rate regulation as a critical audit matter due to the significant judgments made by management to support its assertions about affected account balances and disclosures and the high degree of subjectivity involved in assessing the impact of future regulatory actions on the financial statements. Management judgments include assessing the likelihood of (1) recovery in future rates of incurred costs, (2) a disallowance capital of investments made by the Company, and (3) refunds to customers. Given that certain of management’s accounting judgments are based on assumptions about the outcome of future decisions by the PUCT, auditing these judgments required specialized knowledge of accounting for rate regulation and the rate setting process.

How the Critical Audit Matter Was Addressed in the Audit

Our audit procedures related to the uncertainty of future decisions by the PUCT included the following, among others:

•We tested the effectiveness of management’s controls over the evaluation of the likelihood of (1) the recovery in future rates of costs incurred and deferred as regulatory assets, and (2) refunds or future reductions in rates that should be reported as regulatory liabilities. We also tested the effectiveness of management’s controls over the initial recognition of amounts as regulatory assets or liabilities; and the monitoring and evaluation of regulatory developments that may affect the likelihood of recovering costs in future rates or of a future reduction in rates.

•We evaluated the Company’s disclosures related to the impacts of rate regulation, including the balances recorded and regulatory developments.

•We read relevant regulatory orders issued by the PUCT for the Company, regulatory statutes, interpretations, procedural memorandums, filings made by intervenors, and other publicly available information to assess the likelihood of recovery in future rates or of a future reduction in rates based on precedents of the PUCT’s treatment of similar costs under similar circumstances. We evaluated the external information and compared to management’s recorded regulatory asset and liability balances for completeness.

•For regulatory matters in process, we inspected the Company’s filings with the PUCT and the filings with the PUCT by intervenors that may impact the Company’s future rates, for any evidence that might contradict management’s assertions.

•We evaluated management’s assertion that no indicators of impairment were identified in connection with the Company's property, plant, and equipment. We inspected the capital projects budget and inquired of management to identify projects that are designed to replace assets that may be retired prior to the end of the useful life. We inspected minutes of the board of directors and regulatory orders and other filings with the PUCT to identify any evidence that may contradict management’s assertion regarding probability of a disallowance of long-lived assets.

•We evaluated regulatory filings for any evidence that intervenors are challenging full recovery of the cost of any capital projects and inquired of management to assess whether capitalized costs are probable of disallowance.

•We obtained an analysis from management and letters from internal and external legal counsel, as appropriate, regarding probability of recovery for regulatory assets or refund or future reduction in rates for regulatory liabilities not yet addressed in a regulatory order to assess management’s assertion that amounts are probable of recovery or a future reduction in rates.

/s/ DELOITTE & TOUCHE LLP

Houston, Texas

February 22, 2022

We have served as the Company’s auditor since 1932.

88

CENTERPOINT ENERGY HOUSTON ELECTRIC, LLC AND SUBSIDIARIES

(An Indirect, Wholly-Owned Subsidiary of CenterPoint Energy, Inc.)

STATEMENTS OF CONSOLIDATED INCOME

	Year Ended December 31,
	2021		2020		2019
	(in millions)
Revenues	$	3,134	$	2,911	$	2,990
Expenses:
Operation and maintenance	1,597		1,523		1,477
Depreciation and amortization	642		560		648
Taxes other than income taxes	251		252		247
Total	2,490		2,335		2,372
Operating Income	644		576		618
Other Income (Expense):
Interest expense and other finance charges	(183)		(171)		(164)
Interest expense on Securitization Bonds	(21)		(28)		(39)
Other income, net	17		10		21
Total	(187)		(189)		(182)
Income Before Income Taxes	457		387		436
Income tax expense	76		53		80
Net Income	$	381	$	334	$	356

See Combined Notes to Consolidated Financial Statements

89

CENTERPOINT ENERGY HOUSTON ELECTRIC, LLC AND SUBSIDIARIES

(An Indirect, Wholly-Owned Subsidiary of CenterPoint Energy, Inc.)

STATEMENTS OF CONSOLIDATED COMPREHENSIVE INCOME

	Year Ended December 31,
	2021		2020		2019
	(in millions)
Net income	$	381	$	334	$	356
Other comprehensive income (loss):
Net deferred loss from cash flow hedges (net of tax expense of $-0-, $-0-, and $-0-, respectively)	—		—		(1)
Reclassification of net deferred losses from cash flow hedges (net of tax expense of $-0-, $4, and $-0-, respectively)	—		15		—
Other comprehensive income (loss)	—		15		(1)
Comprehensive income	$	381	$	349	$	355

See Combined Notes to Consolidated Financial Statements

90

CENTERPOINT ENERGY HOUSTON ELECTRIC, LLC AND SUBSIDIARIES

(An Indirect, Wholly-Owned Subsidiary of CenterPoint Energy, Inc.)

CONSOLIDATED BALANCE SHEETS

	December 31, 2021		December 31, 2020
	(in millions)
ASSETS
Current Assets:
Cash and cash equivalents ($92 and $139 related to VIEs, respectively)	$	214	$	139
Accounts and notes receivable, net ($29 and $23 related to VIEs, respectively), less allowance for credit losses of $1 and $1, respectively	263		268
Accounts and notes receivable—affiliated companies	11		7
Accrued unbilled revenues	127		113
Materials and supplies	292		195
Prepaid expenses and other current assets ($19 and $15 related to VIEs, respectively)	49		47
Total current assets	956		769
Property, Plant and Equipment, net	11,203		9,663
Other Assets:
Regulatory assets ($420 and $633 related to VIEs, respectively)	789		848
Other non-current assets	32		36
Total other assets	821		884
Total Assets	$	12,980	$	11,316

See Combined Notes to Consolidated Financial Statements

91

CENTERPOINT ENERGY HOUSTON ELECTRIC, LLC AND SUBSIDIARIES

(AN INDIRECT, WHOLLY-OWNED SUBSIDIARY OF CENTERPOINT ENERGY, INC.)

CONDENSED CONSOLIDATED BALANCE SHEETS – (continued)

LIABILITIES AND MEMBER’S EQUITY

	December 31, 2021		December 31, 2020
	(in millions)
LIABILITIES AND MEMBER’S EQUITY
Current Liabilities:
Current portion of VIE Securitization Bonds long-term debt	$	220	$	211
Current portion of other long-term debt	300		402
Accounts payable	510		281
Accounts and notes payable—affiliated companies	568		96
Taxes accrued	193		158
Interest accrued	74		71
Other current liabilities	91		117
Total current liabilities	1,956		1,336
Other Liabilities:
Deferred income taxes, net	1,122		1,041
Benefit obligations	55		75
Regulatory liabilities	1,152		1,252
Other non-current liabilities	98		95
Total other liabilities	2,427		2,463
Long-Term Debt, net:
VIE Securitization Bonds, net	317		536
Other long-term debt, net	4,658		3,870
Total long-term debt, net	4,975		4,406
Commitments and Contingencies (Note 16)
Member’s Equity:
Common stock	—		—
Additional paid-in capital	2,678		2,548
Retained earnings	944		563
Total member’s equity	3,622		3,111
Total Liabilities and Member’s Equity	$	12,980	$	11,316

See Combined Notes to Consolidated Financial Statements

92

CENTERPOINT ENERGY HOUSTON ELECTRIC, LLC AND SUBSIDIARIES

(An Indirect, Wholly-Owned Subsidiary of CenterPoint Energy, Inc.)

STATEMENTS OF CONSOLIDATED CASH FLOWS

	Year Ended December 31,
	2021		2020		2019
	(in millions)
Cash Flows from Operating Activities:
Net income	$	381	$	334	$	356
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	642		560		648
Deferred income taxes	32		(42)		(24)
Changes in other assets and liabilities:
Accounts and notes receivable, net	(17)		(26)		38
Accounts receivable/payable–affiliated companies	(36)		47		(23)
Inventory	(97)		(48)		(12)
Accounts payable	66		28		13
Taxes receivable	—		—		5
Net regulatory assets and liabilities	(237)		(11)		(48)
Other current assets and liabilities	39		55		(26)
Other assets and liabilities	6		4		(7)
Other operating activities, net	(9)		(2)		(2)
Net cash provided by operating activities	770		899		918
Cash Flows from Investing Activities:
Capital expenditures	(1,619)		(1,058)		(1,025)
Decrease (increase) in notes receivable–affiliated companies	—		481		(481)
Other investing activities, net	2		13		11
Net cash used in investing activities	(1,617)		(564)		(1,495)
Cash Flows from Financing Activities:
Proceeds from long-term debt	1,096		299		696
Payments of long-term debt	(613)		(231)		(458)
Dividend to parent	—		(551)		(376)
Increase (decrease) in notes payable–affiliated companies	504		8		(1)
Payment of debt issuance costs	(12)		(3)		(8)
Contribution from parent	130		62		590
Payment of obligation for finance lease	(179)		—		—
Other financing activities, net	—		—		(1)
Net cash provided by (used in) financing activities	926		(416)		442
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash	79		(81)		(135)
Cash, Cash Equivalents and Restricted Cash at Beginning of the Year	154		235		370
Cash, Cash Equivalents and Restricted Cash at End of the Year	$	233	$	154	$	235

See Combined Notes to Consolidated Financial Statements

93

CENTERPOINT ENERGY HOUSTON ELECTRIC, LLC AND SUBSIDIARIES

(An Indirect, Wholly-Owned Subsidiary of CenterPoint Energy, Inc.)

STATEMENTS OF CONSOLIDATED CHANGES IN EQUITY

	2021			2020			2019
	Shares	Amount		Shares	Amount		Shares	Amount
	(in millions, except share amounts)
Common Stock
Balance, beginning of year	1,000	$	—	1,000	$	—	1,000	$	—
Balance, end of year	1,000	—		1,000	—		1,000	—
Additional Paid-in-Capital
Balance, beginning of year		2,548			2,486			1,896
Contribution from parent		130			62			590
Other		—			—			—
Balance, end of year		2,678			2,548			2,486
Retained Earnings
Balance, beginning of year		563			780			800
Net income		381			334			356
Dividend to parent		—			(551)			(376)
Balance, end of year		944			563			780
Accumulated Other Comprehensive Loss
Balance, beginning of year		—			(15)			(14)
Other comprehensive income (loss)		—			15			(1)
Balance, end of year		—			—			(15)
Total Member’s Equity		$	3,622		$	3,111		$	3,251

See Combined Notes to Consolidated Financial Statements

94

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the Stockholder of

CenterPoint Energy Resources Corp.

Opinion on the Financial Statements

We have audited the accompanying consolidated balance sheets of CenterPoint Energy Resources Corp. and subsidiaries (an indirect wholly-owned subsidiary of CenterPoint Energy, Inc.) (the "Company") as of December 31, 2021 and 2020, the related statements of consolidated income, comprehensive income, changes in equity, and cash flows, for each of the three years in the period ended December 31, 2021, and the related notes (collectively referred to as the "financial statements"). In our opinion, the financial statements present fairly, in all material respects, the financial position of the Company as of December 31, 2021 and 2020, and the results of its operations and its cash flows for each of the three years in the period ended December 31, 2021, in conformity with accounting principles generally accepted in the United States of America.

Basis for Opinion

These financial statements are the responsibility of the Company's management. Our responsibility is to express an opinion on the Company's financial statements based on our audits. We are a public accounting firm registered with the Public Company Accounting Oversight Board (United States) (PCAOB) and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement, whether due to error or fraud. The Company is not required to have, nor were we engaged to perform, an audit of its internal control over financial reporting. As part of our audits, we are required to obtain an understanding of internal control over financial reporting but not for the purpose of expressing an opinion on the effectiveness of the Company’s internal control over financial reporting. Accordingly, we express no such opinion.

Our audits included performing procedures to assess the risks of material misstatement of the financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the financial statements. We believe that our audits provide a reasonable basis for our opinion.

Critical Audit Matter

The critical audit matter communicated below is a matter arising from the current-period audit of the financial statements that was communicated or required to be communicated to the audit committee and that (1) relates to accounts or disclosures that are material to the financial statements and (2) involved our especially challenging, subjective, or complex judgments. The communication of critical audit matters does not alter in any way our opinion on the financial statements, taken as a whole, and we are not, by communicating the critical audit matter below, providing a separate opinion on the critical audit matter or on the accounts or disclosures to which it relates.

Impact of Rate Regulation on the Financial Statements — Refer to Note 2 and 7 to the financial statements

Critical Audit Matter Description

The Company is subject to rate regulation by regulators and commissions in various jurisdictions (collectively, the “Commissions”) that have jurisdiction with respect to the rates of electric and gas transmission and distribution companies in those jurisdictions. Management has determined it meets the requirements under accounting principles generally accepted in the United States of America to prepare its financial statements applying the specialized rules to account for the effects of cost-based rate regulation. Accounting for the economics of rate regulation impacts multiple financial statement line items and disclosures, such as property, plant, and equipment, net; prepaid expenses and other current assets; regulatory assets and liabilities; utility revenues and expenses; operation and maintenance expense; depreciation and amortization expense; and income tax expense.

The Company’s rates are subject to regulatory rate-setting processes by the Commissions. Rates are determined and approved in regulatory proceedings based on an analysis of the Company’s costs to provide utility service and a return on, and recovery of, the Company’s investment in the utility business. Regulatory decisions can have an impact on the recovery of costs, the rate of return earned on investment, and the timing and amount of assets to be recovered by rates. The Commissions’ regulation of rates is premised on the full recovery of prudently incurred costs and a reasonable rate of return on invested capital. Decisions to be made by the Commissions in the future will impact the accounting for regulated operations, including decisions about the amount of allowable

95

costs and return on invested capital included in rates and any refunds that may be required. While the Company has indicated it expects to recover costs from customers through regulated rates, there is a risk that the Commissions will not approve: (1) full recovery of the costs of providing utility service, or (2) full recovery of all amounts invested in the utility business and a reasonable return on that investment.

We identified the impact of rate regulation as a critical audit matter due to the significant judgments made by management to support its assertions about affected account balances and disclosures and the high degree of subjectivity involved in assessing the impact of future regulatory actions on the financial statements. Management judgments include assessing the likelihood of (1) recovery in future rates of incurred costs, (2) a disallowance of capital investments made by the Company and (3) refunds to customers. Given that certain of management’s accounting judgments are based on assumptions about the outcome of future decisions by the Commissions, auditing these judgments required specialized knowledge of accounting for rate regulation and the rate setting process.

How the Critical Audit Matter Was Addressed in the Audit

Our audit procedures related to the uncertainty of future decisions by the Commissions included the following, among others:

•We tested the effectiveness of management’s controls over the evaluation of the likelihood of (1) the recovery in future rates of costs incurred and deferred as regulatory assets, and (2) refunds or future reductions in rates that should be reported as regulatory liabilities. We also tested the effectiveness of management’s controls over the initial recognition of amounts as regulatory assets or liabilities; and the monitoring and evaluation of regulatory developments that may affect the likelihood of recovering costs in future rates or of a future reduction in rates.

•We evaluated the Company’s disclosures related to the impacts of rate regulation, including the balances recorded and regulatory developments.

•We read relevant regulatory orders issued by the Commissions for the Company and other public utilities, regulatory statutes, interpretations, procedural memorandums, filings made by intervenors, and other publicly available information to assess the likelihood of recovery in future rates or of a future reduction in rates based on precedents of the Commissions’ treatment of similar costs under similar circumstances. We evaluated the external information and compared to management’s recorded regulatory asset and liability balances for completeness.

•For regulatory matters in process, we inspected the Company’s filings with the Commissions and the filings with the Commissions by intervenors that may impact the Company’s future rates, for any evidence that might contradict management’s assertions.

•We evaluated management’s assertion that no indicators of impairment were identified in connection with the Company's property, plant, and equipment. We inspected the capital projects budget and inquired of management to identify projects that are designed to replace assets that may be retired prior to the end of the useful life. We inspected minutes of the board of directors and regulatory orders and other filings with the Commissions to identify any evidence that may contradict management’s assertion regarding probability of a disallowance of long-lived assets.

•We evaluated regulatory filings for any evidence that intervenors are challenging full recovery of the cost of any capital projects and inquired of management to assess whether capitalized costs are probable of disallowance.

•We obtained an analysis from management and letters from internal and external legal counsel, as appropriate, regarding probability of recovery for regulatory assets or refund or future reduction in rates for regulatory liabilities not yet addressed in a regulatory order to assess management’s assertion that amounts are probable of recovery or a future reduction in rates.

/s/ DELOITTE & TOUCHE LLP

Houston, Texas  

February 22, 2022  

We have served as the Company’s auditor since 1997.

96

CENTERPOINT ENERGY RESOURCES CORP. AND SUBSIDIARIES

(An Indirect, Wholly-Owned Subsidiary of CenterPoint Energy, Inc.)

STATEMENTS OF CONSOLIDATED INCOME

	Year Ended December 31,
	2021		2020		2019
	(in millions)
Revenues:
Utility revenues	$	3,191	$	2,711	$	2,951
Non-utility revenues	57		52		67
Total	3,248		2,763		3,018
Expenses:
Utility natural gas	1,515		1,100		1,391
Non-utility cost of revenue, including natural gas	17		17		39
Operation and maintenance	790		798		824
Depreciation and amortization	326		304		293
Taxes other than income taxes	193		182		161
Total	2,841		2,401		2,708
Operating Income	407		362		310
Other Income (Expense):
Gain on sale	11		—		—
Interest expense and other finance charges	(103)		(111)		(116)
Other, net	(10)		(7)		(8)
Total	(102)		(118)		(124)
Income From Continuing Operations Before Income Taxes	305		244		186
Income tax expense (benefit)	51		97		(3)
Income From Continuing Operations	254		147		189
Income (Loss) from Discontinued Operations (net of tax expense (benefit) of $—, $(2), and $17, respectively)	—		(66)		23
Net Income	$	254	$	81	$	212

See Combined Notes to Consolidated Financial Statements

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CENTERPOINT ENERGY RESOURCES CORP. AND SUBSIDIARIES

(An Indirect, Wholly-Owned Subsidiary of CenterPoint Energy, Inc.)

STATEMENTS OF CONSOLIDATED COMPREHENSIVE INCOME

	Year Ended December 31,
	2021		2020		2019
	(in millions)
Net income	$	254	$	81	$	212
Other comprehensive income (loss):
Adjustment to other postemployment plans (net of tax expense of $1, $1 and $2, respectively)	—		—		5
Other comprehensive income (loss)	—		—		5
Comprehensive income	$	254	$	81	$	217

See Combined Notes to Consolidated Financial Statements

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CENTERPOINT ENERGY RESOURCES CORP. AND SUBSIDIARIES

(An Indirect, Wholly-Owned Subsidiary of CenterPoint Energy, Inc.)

CONSOLIDATED BALANCE SHEETS

	December 31, 2021		December 31, 2020
	(in millions)
ASSETS
Current Assets:
Cash and cash equivalents	$	8	$	1
Accounts receivable, less allowance for credit losses of $39 and $45, respectively	240		233
Accrued unbilled revenue, less allowance for credit losses of $5 and $4, respectively	247		260
Accounts and notes receivable — affiliated companies	16		8
Material and supplies	74		58
Natural gas inventory	127		121
Taxes receivable	28		—
Current assets held for sale	2,084		—
Regulatory assets	1,289		18
Prepaid expenses and other current assets	15		8
Total current assets	4,128		707
Property, Plant and Equipment, Net	5,763		6,558
Other Assets:
Goodwill	611		757
Regulatory assets	577		220
Other non-current assets	31		66
Total other assets	1,219		1,043
Total Assets	$	11,110	$	8,308

See Combined Notes to Consolidated Financial Statements

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CENTERPOINT ENERGY RESOURCES CORP. AND SUBSIDIARIES

(An Indirect, Wholly-Owned Subsidiary of CenterPoint Energy, Inc.)

CONSOLIDATED BALANCE SHEETS, cont.

	December 31, 2021		December 31, 2020
	(in millions)
LIABILITIES AND STOCKHOLDER’S EQUITY
Current Liabilities:
Short-term borrowings	$	7	$	24
Accounts payable	365		296
Accounts and notes payable–affiliated companies	56		50
Notes payable - affiliated companies	224		—
Taxes accrued	90		74
Interest accrued	27		28
Customer deposits	63		76
Current liabilities held for sale	562		—
Other current liabilities	113		178
Total current liabilities	1,507		726
Other Liabilities:
Deferred income taxes, net	680		584
Benefit obligations	81		83
Regulatory liabilities	979		1,226
Other non-current liabilities	482		694
Total other liabilities	2,222		2,587
Long-Term Debt	4,380		2,428
Commitments and Contingencies (Note 16)
Stockholder’s Equity:
Common stock	—		—
Additional paid-in capital	2,226		2,046
Retained earnings	765		511
Accumulated other comprehensive income	10		10
Total stockholder’s equity	3,001		2,567
Total Liabilities and Stockholder’s Equity	$	11,110	$	8,308

See Combined Notes to Consolidated Financial Statements

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CENTERPOINT ENERGY RESOURCES CORP. AND SUBSIDIARIES

(An Indirect, Wholly-Owned Subsidiary of CenterPoint Energy, Inc.)

STATEMENTS OF CONSOLIDATED CASH FLOWS

	Year Ended December 31,
	2021		2020		2019
	(in millions)
Cash Flows from Operating Activities:
Net income	$	254	$	81	$	212
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	326		304		293
Deferred income taxes	77		91		7
Goodwill impairment and loss from reclassification to held for sale	—		93		48
Changes in other assets and liabilities:
Accounts receivable and unbilled revenues, net	(60)		151		252
Accounts receivable/payable–affiliated companies	(4)		4		(6)
Inventory	(54)		63		(12)
Taxes receivable	(28)		—		—
Accounts payable	76		(72)		(305)
Net regulatory assets and liabilities	(1,979)		(52)		76
Other current assets and liabilities	(11)		47		(91)
Other assets and liabilities	(45)		14		(33)
Other operating activities, net	8		5		25
Net cash provided by (used in) operating activities	(1,440)		729		466
Cash Flows from Investing Activities:
Capital expenditures	(895)		(815)		(776)
(Increase) decrease in notes receivable–affiliated companies	—		(9)		114
Proceeds from divestitures (Note 4)	22		365		—
Other investing activities, net	14		7		—
Net cash used in investing activities	(859)		(452)		(662)
Cash Flows from Financing Activities:
Decrease in short-term borrowings, net	(27)		—		—
Proceeds from (payments of) commercial paper, net	552		(30)		167
Proceeds from long-term debt	1,699		500		—
Payments of long-term debt, including make-whole premiums	(311)		(593)		—
Payment of debt issuance costs	(10)		(4)		—
Dividends to parent	—		(80)		(120)
Contribution from parent	180		217		129
Capital distribution to parent associated with the sale of CES	—		(286)		—
Increase in notes payable–affiliated companies	224		—		—
Other financing activities, net	(1)		(2)		(3)
Net cash provided by (used in) financing activities	2,306		(278)		173
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash	7		(1)		(23)
Cash, Cash Equivalents and Restricted Cash at Beginning of Year	1		2		25
Cash, Cash Equivalents and Restricted Cash at End of Year	$	8	$	1	$	2

See Combined Notes to Consolidated Financial Statements

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CENTERPOINT ENERGY RESOURCES CORP. AND SUBSIDIARIES

(An Indirect, Wholly-Owned Subsidiary of CenterPoint Energy, Inc.)

STATEMENTS OF CONSOLIDATED CHANGES IN EQUITY

	2021			2020			2019
	Shares	Amount		Shares	Amount		Shares	Amount
	(in millions, except share amounts)
Common Stock
Balance, beginning of year	1,000	$	—	1,000	$	—	1,000	$	—
Balance, end of year	1,000	—		1,000	—		1,000	—
Additional Paid-in-Capital
Balance, beginning of year		2,046			2,116			2,015
Contribution from parent		180			217			129
Capital distribution to parent associated with the sale of CES		—			(286)			—
Capital distribution to parent associated with Internal Spin		—			—			(28)
Other		—			(1)			—
Balance, end of year		2,226			2,046			2,116
Retained Earnings
Balance, beginning of year		511			515			423
Net income		254			81			212
Dividend to parent		—			(80)			(120)
Adoption of ASU 2016-13		—			(5)			—
Balance, end of year		765			511			515
Accumulated Other Comprehensive Income
Balance, beginning of year		10			10			5
Other comprehensive income		—			—			5
Balance, end of year		10			10			10
Total Stockholder’s Equity		$	3,001		$	2,567		$	2,641

See Combined Notes to Consolidated Financial Statements

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CENTERPOINT ENERGY, INC. AND SUBSIDIARIES

CENTERPOINT ENERGY HOUSTON ELECTRIC, LLC AND SUBSIDIARIES

CENTERPOINT ENERGY RESOURCES CORP. AND SUBSIDIARIES

COMBINED NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(1) Background

General. This combined Form 10-K is filed separately by three registrants: CenterPoint Energy, Inc., CenterPoint Energy Houston Electric, LLC and CenterPoint Energy Resources Corp. Information contained herein relating to any individual registrant is filed by such registrant solely on its own behalf. Each registrant makes no representation as to information relating exclusively to the other Registrants or the subsidiaries of CenterPoint Energy other than itself or its subsidiaries.

Except as discussed in Note 14 to the Registrants’ Consolidated Financial Statements, no registrant has an obligation in respect of any other Registrant’s debt securities, and holders of such debt securities should not consider the financial resources or results of operations of any Registrant other than the obligor in making a decision with respect to such securities.

Included in this combined Form 10-K are the Financial Statements of CenterPoint Energy, Houston Electric and CERC, which are referred to collectively as the Registrants. The Combined Notes to the Consolidated Financial Statements apply to all Registrants and specific references to Houston Electric and CERC herein also pertain to CenterPoint Energy, unless otherwise indicated.

Background. CenterPoint Energy, Inc. is a public utility holding company. As of December 31, 2021, CenterPoint Energy’s operating subsidiaries were as follows:

•Houston Electric owns and operates electric transmission and distribution facilities in the Texas gulf coast area that includes the city of Houston; and

•CERC Corp. (i) owns and operates natural gas distribution systems in six states and (ii) owns and operates permanent pipeline connections through interconnects with various interstate and intrastate pipeline companies through CEIP.

•Vectren holds three public utilities through its wholly-owned subsidiary, VUHI, a public utility holding company:

◦Indiana Gas provides energy delivery services to natural gas customers located in central and southern Indiana;

◦SIGECO provides energy delivery services to electric and natural gas customers located in and near Evansville in southwestern Indiana and owns and operates electric generation assets to serve its electric customers and optimizes those assets in the wholesale power market; and

◦VEDO provides energy delivery services to natural gas customers located in and near Dayton in west-central Ohio.

•Vectren performs non-utility activities through Energy Systems Group, which provides energy performance contracting and sustainable infrastructure services, such as renewables, distributed generation and combined heat and power projects.

For a description of CenterPoint Energy’s reportable segments, see Note 18. Houston Electric consists of a single reportable segment, Houston Electric T&D and CERC consists of a single reportable segment, Natural Gas.

Held for Sale and Discontinued Operations. On January 10, 2022, CERC Corp. completed the sale of its Arkansas and Oklahoma Natural Gas businesses. For additional information regarding held for sale, discontinued operations and divestitures, see Note 4.

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(2) Summary of Significant Accounting Policies

(a)Use of Estimates

The preparation of financial statements in conformity with generally accepted accounting principles requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, disclosure of contingent assets and liabilities at the date of the financial statements, and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.

(b)Principles of Consolidation

The accounts of the Registrants and their wholly-owned and majority-owned and controlled subsidiaries are included in the consolidated financial statements. All intercompany transactions and balances are eliminated in consolidation, except as described below.

Businesses within the Infrastructure Services Disposal Group provided underground pipeline construction and repair services for customers that included Natural Gas utilities. In accordance with consolidation guidance in ASC 980—Regulated Operations, costs incurred by Natural Gas utilities for these pipeline construction and repair services were not eliminated in consolidation when capitalized and included in rate base by the Natural Gas utility. On February 3, 2020, CenterPoint Energy, through its subsidiary VUSI, entered into the Securities Purchase Agreement to sell the Infrastructure Services Disposal Group. The transaction closed on April 9, 2020. For further information, see Note 4.

As of December 31, 2021, CenterPoint Energy and Houston Electric had VIEs consisting of the Bond Companies, which are consolidated. The consolidated VIEs are wholly-owned, bankruptcy remote special purpose entities that were formed solely for the purpose of securitizing transition and system restoration related property. Creditors of CenterPoint Energy and Houston Electric have no recourse to any assets or revenues of the Bond Companies. The bonds issued by these VIEs are payable only from and secured by transition and system restoration property and the bondholders have no recourse to the general credit of CenterPoint Energy or Houston Electric.

(c)Equity Method and Investments without a Readily Determinable Fair Value (CenterPoint Energy)

CenterPoint Energy uses the equity method for investments in entities when it exercises significant influence, does not have control and is not considered the primary beneficiary, if applicable. Generally, equity investments in limited partnerships with interest greater than approximately 3-5% is accounted for under the equity method.

Under the equity method, CenterPoint Energy adjusts its investments each period for contributions made, distributions received, respective shares of comprehensive income and amortization of basis differences, as appropriate. CenterPoint Energy evaluates its equity method investments for impairment when events or changes in circumstances indicate there is a loss in value of the investment that is other than a temporary decline.

CenterPoint Energy considers distributions received from equity method investments which do not exceed cumulative equity in earnings subsequent to the date of investment to be a return on investment and classifies these distributions as operating activities in its Statements of Consolidated Cash Flows. CenterPoint Energy considers distributions received from equity method investments in excess of cumulative equity in earnings subsequent to the date of investment to be a return of investment and classifies these distributions as investing activities in its Statements of Consolidated Cash Flows.

Investments without a readily determinable fair value will be measured at cost, less impairment, plus or minus observable prices changes of an identical or similar investment of the same issuer.

(d)Revenues

The Registrants record revenue for electricity delivery and natural gas sales and services under the accrual method and these revenues are recognized upon delivery to customers. Electricity deliveries not billed by month-end are accrued based on actual AMS/AMI data, supply volumes, estimated line loss and applicable tariff rates. Natural gas sales not billed by month-end are accrued based upon estimated purchased gas volumes, estimated lost and unaccounted for gas and currently effective tariff rates. For further discussion, see Note 5.

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(e) MISO Transactions

Indiana Electric is a member of the MISO. MISO-related purchase and sale transactions are recorded using settlement information provided by the MISO. These purchase and sale transactions are accounted for on at least a net hourly position, meaning net purchases within that interval are recorded on CenterPoint Energy’s Statements of Consolidated Income in Utility natural gas, fuel and purchased power, and net sales within that interval are recorded on CenterPoint Energy’s Statements of Consolidated Income in Utility revenues. On occasion, prior period transactions are resettled outside the routine process due to a change in the MISO’s tariff or a material interpretation thereof. Expenses associated with resettlements are recorded once the resettlement is probable and the resettlement amount can be estimated. Revenues associated with resettlements are recognized when the amount is determinable and collectability is reasonably assured.

(f) Guarantees

CenterPoint Energy recognizes guarantee obligations at fair value. CenterPoint Energy discloses parent company guarantees of a subsidiary’s obligation when that guarantee results in the exposure of a material obligation of the parent company even if the probability of fulfilling such obligation is considered remote. See Note 16(c) and (d).  

(g) Long-lived Assets, Goodwill and Intangibles

The Registrants record property, plant and equipment at historical cost and expense repair and maintenance costs as incurred.

The Registrants periodically evaluate long-lived assets, including property, plant and equipment, and specifically identifiable intangibles subject to amortization, when events or changes in circumstances indicate that the carrying value of these assets may not be recoverable. For rate regulated businesses, recoverability of long-lived assets is assessed by determining if a capital disallowance from a regulator is probable through monitoring the outcome of rate cases and other proceedings. For non-rate regulated businesses, recoverability is assessed based on an estimate of undiscounted cash flows attributable to the assets compared to the carrying value of the assets. No long-lived asset or intangible asset impairments were recorded in 2021, 2020 or 2019.

CenterPoint Energy and CERC perform goodwill impairment tests at least annually and evaluate goodwill when events or changes in circumstances indicate that its carrying value may not be recoverable. CenterPoint Energy and CERC recognize a goodwill impairment by the amount a reporting unit’s carrying value exceeds its fair value, not to exceed the carrying amount of goodwill within that reporting unit. CenterPoint Energy includes deferred tax assets and liabilities within its reporting unit’s carrying value for the purposes of annual and interim impairment tests, regardless of whether the estimated fair value reflects the disposition of such assets and liabilities. For further information about the goodwill impairment tests during 2021, see Note 6.

(h) Assets Held for Sale and Discontinued Operations

Generally, a long-lived asset to be sold is classified as held for sale in the period in which management, with approval from the Board of Directors, as applicable, commits to a plan to sell and a sale is expected to be completed within one year. The Registrants record assets and liabilities held for sale at the lower of their carrying value or their estimated fair value less cost to sell. If the disposal group reflects a component of a reporting unit and meets the definition of a business, the goodwill within that reporting unit is allocated to the disposal group based on the relative fair value of the components representing a business that will be retained and disposed. Goodwill is not allocated to a portion of a reporting unit that does not meet the definition of a business. A disposal group that meets the held for sale criteria and also represents a strategic shift to the Registrant, is also reflected as discontinued operations on the Statements of Consolidated Income, and prior periods are recast to reflect the earnings or losses from such businesses as income from discontinued operations, net of tax.

(i) Regulatory Assets and Liabilities

The Registrants apply the guidance for accounting for regulated operations within the Electric reportable segment and the Natural Gas reportable segment. The Registrants’ rate-regulated subsidiaries may collect revenues subject to refund pending final determination in rate proceedings. In connection with such revenues, estimated rate refund liabilities are recorded which reflect management’s current judgment of the ultimate outcomes of the proceedings.

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The Registrants’ rate-regulated businesses recognize removal costs as a component of depreciation expense in accordance with regulatory treatment. In addition, a portion of the amount of removal costs collected from customers that relate to AROs has been reflected as an asset retirement liability in accordance with accounting guidance for AROs.

For further detail on the Registrants’ regulatory assets and liabilities, see Note 7.

(j) Depreciation and Amortization Expense

The Registrants compute depreciation and amortization using the straight-line method based on economic lives or regulatory-mandated recovery periods. Amortization expense includes amortization of certain regulatory assets and other intangibles.

(k) Capitalization of Interest and AFUDC

The Registrants capitalize interest and AFUDC as a component of projects under construction and amortize it over the assets’ estimated useful lives once the assets are placed in service. AFUDC represents the composite interest cost of borrowed funds and a reasonable return on the equity funds used for construction for subsidiaries that apply the guidance for accounting for regulated operations. Although AFUDC increases both utility plant and earnings, it is realized in cash when the assets are included in rates.

	Year Ended December 31,
	2021						2020						2019
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Interest and AFUDC debt (1)	$	34	$	13	$	2	$	27	$	8	$	3	$	36	$	8	$	3
AFUDC equity (2)	28		20		3		25		14		3		22		15		3

(1)Included in Interest and other finance charges on the Registrants’ respective Statements of Consolidated Income, inclusive of $16 million, $13 million and $21 million of debt post in-service carrying costs on property, plant and equipment, primarily in Indiana, deferred into a regulatory asset in the years ended December 31, 2021, 2020 and 2019, respectively.

(2)Included in Other Income (Expense) on the Registrants’ respective Statements of Consolidated Income.

(l) Income Taxes

Houston Electric and CERC are included in CenterPoint Energy’s U.S. federal consolidated income tax return. Houston Electric and CERC report their income tax provision on a separate entity basis pursuant to a tax sharing agreement with CenterPoint Energy. Current federal and certain state income taxes are payable to or receivable from CenterPoint Energy.

The Registrants use the asset and liability method of accounting for deferred income taxes. Deferred income tax assets and liabilities are recognized for the future tax consequences attributable to differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax basis. A valuation allowance is established against deferred tax assets for which management believes realization is not considered to be more likely than not. The Registrants recognize interest and penalties as a component of income tax expense (benefit), as applicable, in their respective Statements of Consolidated Income. CenterPoint Energy reports the income tax provision associated with its interest in Enable in income tax expense (benefit) in its Statements of Consolidated Income.

To the extent certain EDIT of the Registrants’ rate-regulated subsidiaries may be recoverable or payable through future rates, regulatory assets and liabilities have been recorded, respectively. See Note 15 for further discussion.

The Registrants use the portfolio approach to recognize income tax effects on other comprehensive income from accumulated other comprehensive income.

Investment tax credits are deferred and amortized to income over the approximate lives of the related property.

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(m) Accounts Receivable and Allowance for Credit Losses

Accounts receivable are recorded at the invoiced amount and do not bear interest. Management reviews historical write-offs, current available information, and reasonable and supportable forecasts to estimate and establish allowance for credit losses. Account balances are charged off against the allowance when management determines it is probable the receivable will not be recovered. See Note 7 for further information about regulatory deferrals of bad debt expense related to COVID-19.

(n) Inventory

The Registrants’ inventory consists principally of materials and supplies, and for CERC, natural gas, and for CenterPoint Energy, coal inventory. Materials and supplies are valued at the lower of average cost or market. Materials and supplies are recorded to inventory when purchased and subsequently charged to expense or capitalized to plant when installed. Certain natural gas in storage at CenterPoint Energy’s and CERC’s utilities are recorded using the LIFO method. CenterPoint Energy’s and CERC’s balances in inventory that were valued using LIFO method were as follows:

	Year Ended December 31,
	2021 (1)		2020		2021 (1)		2020 (1)
	CenterPoint Energy				CERC
	(in millions)
LIFO inventory	$	101	$	92	$	56	$	55

(1)Based on the average cost of gas purchased during December 2021, CenterPoint Energy’s and CERC’s cost of replacing inventories carried at LIFO cost was less than the carrying value at December 31, 2021 by $48 million and $-0-, respectively.

(o) Derivative Instruments

The Registrants are exposed to various market risks. These risks arise from transactions entered into in the normal course of business. The Registrants, from time to time, utilize derivative instruments such as physical forward contracts, swaps and options to mitigate the impact of changes in commodity prices, weather and interest rates on operating results and cash flows. Such derivatives are recognized in the Registrants’ Consolidated Balance Sheets at their fair value unless the Registrant elects the normal purchase and sales exemption for qualified physical transactions. A derivative may be designated as a normal purchase or normal sale if the intent is to physically receive or deliver the product for use or sale in the normal course of business. CenterPoint Energy elected to record changes in the fair value of amounts excluded from the assessment of effectiveness immediately in its Statements of Consolidated Income.

(p) Investments in Equity Securities (CenterPoint Energy)

CenterPoint Energy reports equity securities at estimated fair value in the Consolidated Balance Sheets, and any gains and losses, net of any transaction costs, are recorded as Gain (Loss) on Equity Securities in the Statements of Consolidated Income.

(q) Environmental Costs

The Registrants expense or capitalize environmental expenditures, as appropriate, depending on their future economic benefit. The Registrants expense amounts that relate to an existing condition caused by past operations that do not have future economic benefit. The Registrants record undiscounted liabilities related to these future costs when environmental assessments and/or remediation activities are probable and the costs can be reasonably estimated.

(r) Cash and Cash Equivalents and Restricted Cash

For purposes of reporting cash flows, the Registrants consider cash equivalents to be short-term, highly-liquid investments with maturities of three months or less from the date of purchase. Cash and cash equivalents held by the Bond Companies (VIEs) solely to support servicing the Securitization Bonds as of December 31, 2021 and 2020 are reflected on CenterPoint Energy’s and Houston Electric’s Consolidated Balance Sheets.

In connection with the issuance of Securitization Bonds, CenterPoint Energy and Houston Electric were required to establish restricted cash accounts to collateralize the bonds that were issued in these financing transactions. These restricted

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cash accounts are not available for withdrawal until the maturity of the bonds and are not included in cash and cash equivalents. For more information on restricted cash see Note 19.

(s) Preferred Stock and Dividends

Preferred stock is evaluated to determine balance sheet classification, and all conversion and redemption features are evaluated for bifurcation treatment. Proceeds received net of issuance costs are recognized on the settlement date. Cash dividends become a liability once declared. Income available to common stockholders is computed by deducting from net income the dividends accumulated and earned during the period on cumulative preferred stock.

(t) Purchase Accounting

The Registrants evaluate acquisitions to determine when a set of acquired activities and assets represent a business. When control of a business is obtained, the Registrants apply the acquisition method of accounting and record the assets acquired, liabilities assumed and any non-controlling interest obtained based on fair value at the acquisition date. The excess of the fair value of purchase consideration over the fair value of the net assets acquired is recorded as goodwill. The results of operations of the acquired business are included in the Registrants’ respective Statements of Consolidated Income beginning on the date of the acquisition.

(u) New Accounting Pronouncements

Management believes that other recently adopted and recently issued accounting standards that are not yet effective will not have a material impact on the Registrants’ financial position, results of operations or cash flows upon adoption.

(3) Property, Plant and Equipment

(a) Property, Plant and Equipment

Property, plant and equipment includes the following:

		December 31, 2021						December 31, 2020
	Weighted Average Useful Lives	Property, Plant and Equipment, Gross		Accumulated Depreciation & Amortization		Property, Plant and Equipment, Net		Property, Plant and Equipment, Gross		Accumulated Depreciation & Amortization		Property, Plant and Equipment, Net
	(in years)	(in millions)
CenterPoint Energy
Electric transmission and distribution	36	$	17,156	$	4,658	$	12,498	$	15,225	$	4,785	$	10,440
Electric generation (1)	26	1,807		1,179		628		1,922		754		1,168
Natural gas distribution	30	13,578		3,981		9,597		14,022		4,019		10,003
Finance ROU asset mobile generation	7.5	179		—		179		—		—		—
Other property	16	953		371		582		1,345		594		751
Total		$	33,673	$	10,189	$	23,484	$	32,514	$	10,152	$	22,362
Houston Electric
Electric transmission and distribution	38	$	13,321	$	3,502	$	9,819	$	11,911	$	3,396	$	8,515
Finance ROU asset mobile generation	7.5	179		—		179		—		—		—
Other property	19	1,773		568		1,205		1,682		534		1,148
Total		$	15,273	$	4,070	$	11,203	$	13,593	$	3,930	$	9,663
CERC
Natural gas distribution	29	$	7,833	$	2,093	$	5,740	$	8,928	$	2,392	$	6,536
Other property	19	45		22		23		44		22		22
Total		$	7,878	$	2,115	$	5,763	$	8,972	$	2,414	$	6,558

(1)SIGECO and AGC own a 300 MW unit at the Warrick Power Plant (Warrick Unit 4) as tenants in common. SIGECO’s share of the cost of this unit as of December 31, 2021, is $196 million with accumulated depreciation totaling $154 million. AGC and SIGECO share equally in the cost of operation and output of the unit. SIGECO’s share

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of operating costs is included in Operation and maintenance expense in CenterPoint Energy’s Statements of Consolidated Income.

(b) Depreciation and Amortization

The following table presents depreciation and amortization expense for 2021, 2020 and 2019:

	Year Ended December 31,
	2021						2020						2019
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Depreciation	$	1,024	$	391	$	311	$	961	$	368	$	289	$	879	$	339	$	277
Amortization of securitized regulatory assets	213		213		—		155		155		—		271		271		—
Other amortization	79		38		15		73		37		15		75		38		16
Total	$	1,316	$	642	$	326	$	1,189	$	560	$	304	$	1,225	$	648	$	293

(c) AROs

The Registrants recorded AROs associated with the removal of asbestos and asbestos-containing material in its buildings, including substation building structures. CenterPoint Energy recorded AROs relating to the closure of the ash ponds at A.B. Brown and F.B. Culley. CenterPoint Energy and Houston Electric also recorded AROs relating to treated wood poles for electric distribution, distribution transformers containing PCB (also known as Polychlorinated Biphenyl), and underground fuel storage tanks. CenterPoint Energy and CERC also recorded AROs relating to gas pipelines abandoned in place. The estimates of future liabilities were developed using historical information, and where available, quoted prices from outside contractors.

A reconciliation of the changes in the ARO liability recorded in Other non-current liabilities on each of the Registrants’ respective Consolidated Balance Sheets is as follows:

	December 31, 2021						December 31, 2020
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Beginning balance	$	787	$	43	$	571	$	539	$	42	$	325
Accretion expense (1)	21		1		12		16		1		11
Revisions in estimates (2)	(67)		(2)		(93)		232		—		235
Ending balance	$	741	$	42	$	490	$	787	$	43	$	571

(1)Reflected in Regulatory assets on each of the Registrants’ respective Consolidated Balance Sheets.

(2)In 2021, the Registrants reflected a decrease in their respective ARO liability, which is primarily attributable to increases in the long-term interest rates used for discounting in the ARO calculation.

(4) Held for Sale, Divestitures and Mergers (CenterPoint Energy and CERC)

Held for Sale

Held for Sale. On April 29, 2021, CenterPoint Energy, through its subsidiary CERC Corp., entered into an Asset Purchase Agreement to sell its Arkansas and Oklahoma Natural Gas businesses for $2.15 billion in cash, including recovery of approximately $425 million in gas cost, including storm-related incremental natural gas costs incurred in the February 2021 Winter Storm Event, subject to certain adjustments set forth in the Asset Purchase Agreement. The assets include approximately 17,000 miles of main pipeline in Arkansas, Oklahoma and certain portions of Bowie County, Texas serving more than half a million customers. The Arkansas and Oklahoma Natural Gas businesses are reflected in CenterPoint Energy’s Natural Gas reportable segment and CERC’s single reportable segment, as applicable. Filings were made on June 11, 2021 to the APSC and June 24, 2021 to the OCC requesting approval of the transaction. On August 18, 2021, the Hart-Scott-Rodino antitrust waiting period expired. On October 14, 2021, a unanimous settlement agreement was filed with the APSC resolving all matters associated with the sale and the FRP. As part of the settlement agreement, CERC committed to provide $22 million in cash at the closing of the transaction, which will be passed through to Arkansas customers. CERC also committed to return any

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insurance proceeds it may receive for claims submitted with respect to Arkansas, if any, for costs incurred as part of the February 2021 Winter Storm Event to reduce the balance of the incurred costs. The settlement agreement also provides for the extinguishment of CERC’s obligation to refund through the FRP approximately $10 million as of December 31, 2021. On November 16, 2021, the OCC issued its order approving the transaction, and the order became non-appealable on December 16, 2021. On December 6, 2021, the APSC issued its order approving the transaction, and the order became non-appealable on January 5, 2022. The transaction closed on January 10, 2022.

In April 2021, certain assets and liabilities representing the Arkansas and Oklahoma Natural Gas businesses met the held for sale criteria. The sale is considered an asset sale for tax purposes, requiring net deferred tax liabilities to be excluded from held for sale balances. The deferred taxes associated with the businesses were recognized as a deferred income tax benefit by CenterPoint Energy and CERC upon closing in 2022.

Although the Arkansas and Oklahoma Natural Gas businesses met the held for sale criteria, their disposals do not represent a strategic shift to CenterPoint Energy and CERC, as both will retain significant operations in, and will continue to invest in, their natural gas businesses. Therefore, the assets and liabilities associated with the transaction are not reflected as discontinued operations on CenterPoint Energy’s and CERC’s Statements of Consolidated Income, as applicable, and the December 31, 2020 Consolidated Balance Sheets were not required to be recast for assets held for sale. Since the depreciation on the Arkansas and Oklahoma Natural Gas assets continued to be reflected in revenues through customer rates until the closing of the transaction and will be reflected in the carryover basis of the rate-regulated assets, CenterPoint Energy and CERC continued to record depreciation on those assets through the closing of the transaction.

In September 2021, CNP Midstream entered into the Forward Sale Agreement to sell certain Energy Transfer Common Units upon the completion of the Enable Merger. Additionally, CenterPoint Energy’s announced plan to exit its Midstream Investment reportable segment by the end of 2022 represented a strategic shift that will have a major effect on CenterPoint Energy’s operations or financial results, and as such, its equity investment in Enable are classified and presented as discontinued operations. Equity method investments that qualify for discontinued operations are also presented as assets held for sale. Therefore, the equity in earnings (loss) of unconsolidated affiliates, net of tax, associated with the equity investment in Enable are reflected as discontinued operations on CenterPoint Energy’s Statements of Consolidated Income, and the December 31, 2020 Consolidated Balance Sheet was required to be recast for assets held for sale. For further information about CenterPoint Energy’s equity investment in Enable, see Note 11.

The Registrants record assets and liabilities held for sale at the lower of their carrying value or their estimated fair value less cost to sell. Neither CenterPoint Energy nor CERC recognized any gains or losses on the measurement of assets held for sale during the year ended December 31, 2021. See Note 6 for further information about the allocation of goodwill to the businesses to be disposed.

The assets and liabilities of the Arkansas and Oklahoma Natural Gas businesses and equity method investment in Enable classified as held for sale in CenterPoint Energy’s and CERC’s Consolidated Balance Sheets, as applicable, included the following:

	December 31, 2021
	CenterPoint Energy		CERC
	(in millions)
Receivables, net	$	46	$	46
Accrued unbilled revenues	48		48
Natural gas inventory	46		46
Materials and supplies	9		9
Property, plant and equipment, net	1,314		1,314
Goodwill	398		144
Investment in unconsolidated affiliate (1)	—		—
Regulatory assets	471		471
Other	6		6
Total current assets held for sale	$	2,338	$	2,084

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	December 31, 2021
	CenterPoint Energy		CERC
	(in millions)
Short term borrowings (2)	$	36	$	36
Accounts payable	40		40
Taxes accrued	7		7
Customer deposits	12		12
Regulatory liabilities	365		365
Other	102		102
Total current liabilities held for sale	$	562	$	562

(1)Balance of $782 million as of December 31, 2020 is reported as Non-current assets held for sale on CenterPoint Energy’s Consolidated Balance Sheets.

(2)Represents third-party AMAs associated with utility distribution service in Arkansas and Oklahoma. These transactions are accounted for as an inventory financing. For further information, see Notes 14 and 16.

The pre-tax income for the Arkansas and Oklahoma Natural Gas businesses, excluding interest and corporate allocations, included in CenterPoint Energy’s and CERC’s Statements of Consolidated Income is as follows:

	Year Ended December 31,
	2021		2020
	(in millions)
Income from Continuing Operations Before Income Taxes	$	78	$	73

Discontinued Operations

Enable Merger. On December 2, 2021, Enable, completed the previously announced Enable Merger pursuant to the Enable Merger Agreement entered into on February 16, 2021.

Pursuant to the terms of the Enable Merger Agreement, (i) Elk Merger Sub merged with and into Enable, with Enable surviving as a wholly owned subsidiary of Energy Transfer, (ii) Elk GP Merger Sub merged with and into Enable GP, with Enable GP surviving as a direct wholly owned subsidiary of Energy Transfer and (iii) CenterPoint Energy contributed, assigned, transferred, conveyed and delivered to Energy Transfer, and Energy Transfer acquired, assumed, accepted and received from CenterPoint Energy, all of CenterPoint Energy’s right, title and interest in each Enable Series A Preferred Units issued and outstanding at such time in exchange for 0.0265 newly issued Energy Transfer Series G Preferred Units for each Enable Series A Preferred Unit. Upon the consummation of the transactions contemplated by the Enable Merger Agreement, the agreements relating to Enable between CenterPoint Energy, OGE and Enable and certain of their affiliates terminated, and CenterPoint Energy paid $30 million to OGE.

The Enable Series A Preferred Units are accounted for under Topic 321 - Investments - Equity Securities and are out of scope for held-for-sale and discontinued operations guidance.

At the closing of the Enable Merger on December 2, 2021, Energy Transfer acquired 100% of Enable’s outstanding common units, resulting in the exchange of Enable Common Units owned by CenterPoint Energy at the Enable Merger exchange ratio of 0.8595x Energy Transfer Common Units for each Enable Common Unit. CenterPoint Energy also received $5 million in cash in exchange for its interest in the Enable GP. See Note 19 for supplemental information regarding the non-cash exchange transaction. See Note 12 for further information regarding Energy Transfer security equities.

Divestiture of Infrastructure Services (CenterPoint Energy). On February 3, 2020, CenterPoint Energy, through its subsidiary VUSI, entered into the Securities Purchase Agreement to sell the Infrastructure Services Disposal Group to PowerTeam Services. Subject to the terms and conditions of the Securities Purchase Agreement, PowerTeam Services agreed to purchase all of the outstanding equity interests of VISCO for approximately $850 million, subject to customary adjustments set forth in the Securities Purchase Agreement, including adjustments based on VISCO’s net working capital at closing, indebtedness, cash and cash equivalents and transaction expenses. The transaction closed on April 9, 2020 for $850 million in cash, subject to the working capital adjustment. Additionally, as of December 31, 2020, CenterPoint Energy had a receivable

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from PowerTeam Services for working capital and other adjustments set forth in the Security Purchase Agreement. CenterPoint Energy collected a receivable of $4 million from PowerTeam Services in January 2021 for full and final settlement of the working capital adjustment under the Securities Purchase Agreement.

In February 2020, certain assets and liabilities representing the Infrastructure Services Disposal Group met the held for sale criteria and represented all of the businesses within the reporting unit. In accordance with the Securities Purchase Agreement, VISCO was converted from a wholly-owned corporation to a limited liability company that was disregarded for federal income tax purposes immediately prior to the closing of the transaction resulting in the sale of membership units. The sale was considered an asset sale for tax purposes, requiring net deferred tax liabilities of approximately $129 million as of April 9, 2020, the date the transaction closed, to be recognized as a deferred income tax benefit by CenterPoint Energy. Additionally, CenterPoint Energy recognized a current tax expense of $158 million during the year ended December 31, 2020, as a result of the cash taxes payable upon sale.

Upon classifying the Infrastructure Services Disposal Group as held for sale and in connection with the preparation of CenterPoint Energy’s financial statements as of March 31, 2020, CenterPoint Energy recorded a goodwill impairment of approximately $82 million, plus an additional loss of $14 million for cost to sell, during the year ended December 31, 2020. Additionally, CenterPoint Energy recognized a net pre-tax loss of $6 million in connection with the closing of the disposition of the Infrastructure Services Disposal Group during the year ended December 31, 2020, respectively.

In the Securities Purchase Agreement, CenterPoint Energy agreed to a mechanism to reimburse PowerTeam Services subsequent to closing of the sale for certain amounts of specifically identified change orders that may be ultimately rejected by one of VISCO’s customers as part of on-going audits. CenterPoint Energy’s maximum contractual exposure under the Securities Purchase Agreement, in addition to the amount reflected in the working capital adjustment, for these change orders is $21 million. CenterPoint Energy does not expect the ultimate outcome of this matter to have a material adverse effect on its financial condition, results of operations or cash flows. CenterPoint Energy anticipates this matter will be resolved in 2022.

Divestiture of Energy Services (CenterPoint Energy and CERC). On February 24, 2020, CenterPoint Energy, through its subsidiary CERC Corp., entered into the Equity Purchase Agreement to sell the Energy Services Disposal Group to Symmetry Energy Solutions Acquisition. This transaction did not include CEIP and its assets or MES. Symmetry Energy Solutions Acquisition agreed to purchase all of the outstanding equity interests of the Energy Services Disposal Group for approximately $400 million, subject to customary adjustments set forth in the Equity Purchase Agreement, and inclusive of an estimate of the cash adjustment for the Energy Services Disposal Group’s net working capital at closing, indebtedness and transaction expenses. The transaction closed on June 1, 2020 for approximately $286 million in cash, subject to the working capital adjustment. CenterPoint Energy collected a receivable of $79 million from Symmetry Energy Solutions Acquisition in October 2020 for full and final settlement of the working capital adjustment under the Equity Purchase Agreement.

In February 2020, certain assets and liabilities representing the Energy Services Disposal Group met the criteria to be classified as held for sale and represented substantially all of the businesses within the reporting unit. In accordance with the Equity Purchase Agreement, CES was converted from a wholly-owned corporation to a limited liability company that is disregarded for federal income tax purposes immediately prior to the closing of the transaction resulting in the sale of membership units. The sale was considered an asset sale for tax purposes, requiring the net deferred tax liability of approximately $4 million as of June 1, 2020, the date the transaction closed, to be recognized as a deferred tax benefit by CenterPoint Energy and CERC upon closing. Additionally, CenterPoint Energy and CERC recognized current tax expense of $4 million during the year ended December 31, 2020, respectively, as a result of the cash taxes payable upon sale.

Upon classifying the Energy Services Disposal Group as held for sale and in connection with the preparation of CenterPoint Energy’s and CERC’s respective financial statements as of March 31, 2020, CenterPoint Energy and CERC recorded a goodwill impairment of approximately $62 million during the year ended December 31, 2020. Additionally, CenterPoint Energy recognized a loss on assets held for sale of approximately $31 million, plus an additional loss $6 million for cost to sell, recorded only at CenterPoint Energy during the year ended December 31, 2020, respectively. CenterPoint Energy and CERC recognized a gain on sale of $3 million during the year ended December 31, 2020.

As a result of the sale of the Energy Services and Infrastructure Services Disposal Groups, there were no assets or liabilities classified as held for sale as of December 31, 2020.

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Because the Infrastructure Services and Energy Services Disposal Groups met the held for sale criteria and their disposals also represent a strategic shift to CenterPoint Energy and CERC, as applicable, the earnings and expenses directly associated with these dispositions, including operating results of the businesses through the date of sale, are reflected as discontinued operations on CenterPoint Energy’s and CERC’s Statements of Consolidated Income, as applicable. As a result, prior periods have also been recast to reflect the earnings or losses from such businesses as income from discontinued operations, net of tax.

A summary of discontinued operations presented in CenterPoint Energy’s Statements of Consolidated Income is as follows:

	Year Ended December 31, 2021
	Equity Method Investment in Enable
	(in millions)
Equity in earnings of unconsolidated affiliate, net	$	1,019
Income from discontinued operations before income taxes	1,019
Income tax expense	201
Net income from discontinued operations	$	818

	Year Ended December 31, 2020
	Equity Method Investment in Enable		Infrastructure Services Disposal Group		Energy Services Disposal Group		Total
	(in millions)
Revenues	$	—	$	250	$	1,167	$	1,417
Expenses:
Non-utility cost of revenues	—		50		1,108		1,158
Operation and maintenance	—		184		34		218
Taxes other than income taxes	—		1		3		4
Total	—		235		1,145		1,380
Operating income	—		15		22		37
Equity in losses of unconsolidated affiliate, net (1)	(1,428)		—		—		(1,428)
Income (loss) from Discontinued Operations before income taxes	(1,428)		15		22		(1,391)
Loss on classification to held for sale, net (2)	—		(102)		(96)		(198)
Income tax expense (benefit)	(354)		24		(3)		(333)
Net loss from Discontinued Operations	$	(1,074)	$	(111)	$	(71)	$	(1,256)

	Year Ended December 31, 2019
	Equity Method Investment in Enable		Infrastructure Services Disposal Group (3)		Energy Services Disposal Group		Total
	(in millions)
Revenues	$	—	$	1,190	$	3,767	$	4,957
Expenses:
Non-utility cost of revenues	—		309		3,597		3,906
Operation and maintenance	—		714		68		782
Depreciation and amortization	—		50		12		62
Taxes other than income taxes	—		2		2		4
Goodwill Impairment	—		—		48		48
Total	—		1,075		3,727		4,802
Operating income	—		115		40		155
Equity in earnings of unconsolidated affiliate, net (4)	229		—		—		229
Income from Discontinued Operations before income taxes	229		115		40		384
Income tax expense	62		29		17		108
Net income from Discontinued Operations	$	167	$	86	$	23	$	276

(1)CenterPoint Energy recognized a loss of $1,428 million from its investment in Enable for the year ended December 31, 2020. This loss included an impairment charge on CenterPoint Energy’s investment in Enable of $1,541 million and CenterPoint Energy’s interest in Enable’s $225 million impairment on an equity method investment.

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(2)Loss from classification to held for sale is inclusive of goodwill impairments, gains and losses recognized upon sale, and for CenterPoint Energy, its costs to sell.

(3)Reflects February 1, 2019 to December 31, 2019 results only due to the Merger.

(4)Includes CenterPoint Energy’s share of Enable’s $86 million goodwill impairment recorded in the fourth quarter of 2019.

A summary of the Energy Services Disposal Group presented as discontinued operations in CERC’s Statements of Consolidated Income, as applicable, is as follows:

	Year Ended December 31,
	2020		2019
	CERC
	(in millions)
Revenues	$	1,167	$	3,767
Expenses:
Non-utility cost of revenues	1,108		3,597
Operation and maintenance	34		68
Depreciation and amortization	—		12
Taxes other than income taxes	3		2
Goodwill Impairment	—		48
Total	1,145		3,727
Income from Discontinued Operations before income taxes	22		40
Loss on classification to held for sale, net (1)	(90)		—
Income tax expense (benefit)	(2)		17
Net income (loss) from Discontinued Operations	$	(66)	$	23

(1)Loss from classification to held for sale is inclusive of goodwill impairment, gains and losses recognized upon sale, and for CenterPoint Energy, its costs to sell.

CenterPoint Energy and CERC have elected not to separately disclose discontinued operations on their respective Condensed Statements of Consolidated Cash Flows. Except as discussed in Note 2, long-lived assets are not depreciated or amortized once they are classified as held for sale. The following table summarizes CenterPoint Energy’s and CERC’s cash flows from discontinued operations and certain supplemental cash flow disclosures as applicable:

	Year Ended December 31, 2021
	CenterPoint Energy
	Equity Method Investment in Enable
	(in millions)
Cash flows from operating activities:
Adjustments to reconcile net income to net cash provided by operating activities:
Gain on Enable Merger	$	(681)
Equity in earnings of unconsolidated affiliate	(339)
Distributions from unconsolidated affiliate	155
Cash flows from investing activities:
Transaction costs related to the Enable Merger	(49)
Cash received related to Enable Merger	5

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	Year Ended December 31, 2020
	CenterPoint Energy
	Equity Method Investment in Enable		Infrastructure Services Disposal Group		Energy Services Disposal Group
	(in millions)
Cash flows from operating activities:
Adjustments to reconcile net income to net cash provided by operating activities:
Write-down of natural gas inventory	$	—	$	—	$	3
Equity in losses of unconsolidated affiliate	1,428		—		—
Distributions from unconsolidated affiliate	113		—		—
Cash flows from investing activities:
Capital expenditures	—		18		3
Distributions from unconsolidated affiliate in excess of cumulative earnings	80		—		—

	Year Ended December 31, 2019
	CenterPoint Energy
	Equity Method Investment in Enable		Infrastructure Services Disposal Group (1)		Energy Services Disposal Group
	(in millions)
Cash flows from operating activities:
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	$	—	$	50	$	12
Amortization of intangible assets in Non-utility cost of revenues	—		19		—
Write-down of natural gas inventory	—		—		4
Equity in losses of unconsolidated affiliate	(229)		—		—
Distributions from unconsolidated affiliate	261		—		—
Cash flows from investing activities:
Capital expenditures	—		67		12
Distributions from unconsolidated affiliate in excess of cumulative earnings	42		—		—
Non-cash transactions:
Accounts payable related to capital expenditures	—		—		2

(1)Reflects February 1, 2019 to December 31, 2019 results only due to the Merger.

	Year Ended December 31,
	2020		2019
	CERC
	Energy Services Disposal Group
	(in millions)
Cash flows from operating activities:
Depreciation and amortization	$	—	$	12
Write-down of natural gas inventory	3		4
Cash flows from investing activities:
Capital expenditures	3		12
Non-cash transactions:
Accounts payable related to capital expenditures	—		2

Other Sale Related Matters of Infrastructure Services and Energy Services (CenterPoint Energy and CERC). CES provided natural gas supply to CenterPoint Energy’s and CERC’s Natural Gas under contracts executed in a competitive bidding process, with the duration of some contracts extending into 2021. In addition, CERC is the natural gas transportation provider for a portion of CES’s customer base and will continue to be the transportation provider for these customers as long as these customers retain a relationship with the divested CES business.

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Transactions between CES and CenterPoint Energy’s and CERC’s Natural Gas that were previously eliminated in consolidation have been reflected in continuing operations until the closing of the sale of the Energy Services Disposal Group. Revenues and expenses included in continuing operations were as follows:

	Year Ended December 31,
	2020 (1)		2019		2020 (1)		2019
	CenterPoint Energy				CERC
	(in millions)
Transportation revenue	$	34	$	101	$	34	$	101
Natural gas expense	48		125		47		124

(1)Represents charges for the period January 1, 2020 until the closing of the sale of the Energy Services Disposal Group.

In the normal course of business prior to June 1, 2020, the Energy Services Disposal Group through CES traded natural gas under supply contracts and entered into natural gas related transactions under transportation, storage and other contracts. In connection with the Energy Services Disposal Group’s business activities prior to the closing of the sale of the Energy Services Disposal Group on June 1, 2020, CERC Corp. issued guarantees to certain of CES’s counterparties to guarantee the payment of CES’s obligations. For further information, see Note 16.

CenterPoint Energy’s and CERC’s Natural Gas businesses had AMAs associated with their utility distribution service in Arkansas, Louisiana and Oklahoma with the Energy Services Disposal Group that expired in March 2021. See Note 16 for further information.

The Infrastructure Services Disposal Group provided pipeline construction and repair services to CenterPoint Energy’s and CERC’s Natural Gas. In accordance with consolidation guidance in ASC 980—Regulated Operations, costs incurred by Natural Gas utilities for these pipeline construction and repair services are not eliminated in consolidation when capitalized and included in rate base by the Natural Gas utility. Amounts charged for these services that are not capitalized are included primarily in Operation and maintenance expenses.

Fees incurred by CenterPoint Energy’s and CERC’s Natural Gas reportable segment for pipeline construction and repair services are as follows:

	Year Ended December 31,
	2020 (1)		2019 (2)		2020		2019
	CenterPoint Energy				CERC
	(in millions)
Pipeline construction and repair services capitalized	$	34	$	162	$	—	$	20
Pipeline construction and repair service charges in operations and maintenance expense	1		4		1		4

(1)Represents charges for the period January 1, 2020 until the closing of the sale of the Infrastructure Services Disposal Group.

(2)Represents charges for the period beginning February 1, 2019 through December 31, 2019 due to the Merger.

Divestiture of MES (CenterPoint Energy and CERC). CenterPoint Energy, through its subsidiary CERC Corp., completed the sale of MES on August 31, 2021 to Last Mile Energy. Prior to the transaction, MES provided temporary delivery of LNG and CNG throughout the contiguous 48 states and MES was reflected in CenterPoint Energy’s Natural Gas reportable segment and CERC’s single reportable segment, as applicable.

The MES disposal does not represent a strategic shift to CenterPoint Energy and CERC, as both will retain significant operations in, and will continue to invest in, their natural gas businesses. Therefore, the assets and liabilities associated with MES are not reflected as discontinued operations on CenterPoint Energy’s and CERC’s Statements of Consolidated Income, as applicable, and the December 31, 2020 Consolidated Balance Sheets were not required to be recast for assets held for sale. CenterPoint Energy and CERC recognized a pre-tax gain on the sale of $8 million and $11 million, respectively, during year ended December 31, 2021. See Note 6 for further information about the allocation of goodwill to the MES disposal.

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Merger with Vectren. On the Merger Date, pursuant to the Merger Agreement, CenterPoint Energy consummated the previously announced Merger and acquired Vectren for approximately $6 billion in cash. Each share of Vectren common stock issued and outstanding immediately prior to the closing was canceled and converted into the right to receive $72.00 in cash per share, without interest. At the closing, each stock unit payable in Vectren common stock or whose value was determined with reference to the value of Vectren common stock, whether vested or unvested, was canceled with cash consideration paid in accordance with the terms of the Merger Agreement. These amounts did not include a stub period cash dividend of $0.41145 per share, which was declared, with CenterPoint Energy’s consent, by Vectren’s board of directors on January 16, 2019, and paid to Vectren stockholders as of the Merger Date.

Pursuant to the Merger Agreement and immediately subsequent to the close of the Merger, CenterPoint Energy cash settled $78 million in outstanding share-based awards issued prior to the Merger Date by Vectren to its employees. As a result of the Merger, CenterPoint Energy assumed a liability for these share-based awards of $41 million and recorded an incremental cost of $37 million in Operation and maintenance expenses on its Statements of Consolidated Income during the year ended December 31, 2019 for the accelerated vesting of the awards in accordance with the Merger Agreement.

Subsequent to the close of the Merger, CenterPoint Energy recognized severance totaling $61 million to employees terminated immediately subsequent to the Merger close, inclusive of change of control severance payments to executives of Vectren under existing agreements, and which is included in Operation and maintenance expenses on its Statements of Consolidated Income during the year ended December 31, 2019. Total severance cost for the year ended December 31, 2019 was $102 million.

Amortization expense related to the operation and maintenance agreements and construction backlog was $24 million in 2019, and is included in Non-utility cost of revenues, including natural gas on CenterPoint Energy’s Statements of Consolidated Income. Amortization expense related to customer relationships and trade names was $16 million in 2019 and is included in Depreciation and amortization expense on CenterPoint Energy’s Statements of Consolidated Income.

The results of operations for Vectren included in CenterPoint Energy’s Consolidated Financial Statements from the Merger Date for the year ended December 31, 2019, reflecting results included in both continuing operations and discontinued operations, are as follows:

	(in millions)
Operating revenues	$	2,729
Net income	190

CenterPoint Energy incurred integration costs in connection with the Merger of $83 million for the year ended December 31, 2019, which were included in Operation and maintenance expenses in CenterPoint Energy’s Statements of Consolidated Income.

(5) Revenue Recognition

In accordance with ASC 606, revenue is recognized when a customer obtains control of promised goods or services. The amount of revenue recognized reflects the consideration to which the Registrants expect to be entitled to receive in exchange for these goods or services.

The following tables disaggregate revenues by reportable segment and major source and exclude operating revenues from the Energy Services and Infrastructure Services Disposal Groups, which are reflected as discontinued operations prior to the date of closing of each transaction. See Note 4 for further information.

CenterPoint Energy

	Year Ended December 31, 2021
	Electric		Natural Gas		Corporate and Other		Total
	(in millions)
Revenue from contracts	$	3,726	$	4,281	$	249	$	8,256
Other (1)	37		55		4		96
Total revenues	$	3,763	$	4,336	$	253	$	8,352

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	Year Ended December 31, 2020
	Electric		Natural Gas		Corporate and Other		Total
	(in millions)
Revenue from contracts	$	3,451	$	3,586	$	313	$	7,350
Other (1)	19		45		4		68
Total revenues	$	3,470	$	3,631	$	317	$	7,418
	Year Ended December 31, 2019
	Electric (2)		Natural Gas (2)		Corporate and Other (2)		Total
	(in millions)
Revenue from contracts	$	3,507	$	3,714	$	290	$	7,511
Other (1)	12		36		5		53
Total revenues	$	3,519	$	3,750	$	295	$	7,564

(1)Primarily consists of income from ARPs and leases. ARPs are contracts between the utility and its regulators, not between the utility and a customer. The Registrants recognize ARP revenue as other revenues when the regulator-specified conditions for recognition have been met. Upon recovery of ARP revenue through incorporation in rates charged for utility service to customers, ARP revenue is reversed and recorded as revenue from contracts with customers. The recognition of ARP revenues and the reversal of ARP revenues upon recovery through rates charged for utility service may not occur in the same period. Total lease income was $7 million for the year ended December 31, 2021 and $6 million for each of the years ended December 31, 2020 and 2019.

(2)Reflects revenues from Vectren subsidiaries for the period from February 1, 2019 to December 31, 2019.

Houston Electric

	Year Ended December 31,
	2021		2020		2019
	(in millions)
Revenue from contracts	$	3,117	$	2,896	$	2,984
Other (1)	17		15		6
Total revenues	$	3,134	$	2,911	$	2,990

(1)Primarily consists of income from ARPs and leases. ARPs are contracts between the utility and its regulators, not between the utility and a customer. The Registrants recognize ARP revenue as other revenues when the regulator-specified conditions for recognition have been met. Upon recovery of ARP revenue through incorporation in rates charged for utility service to customers, ARP revenue is reversed and recorded as revenue from contracts with customers. The recognition of ARP revenues and the reversal of ARP revenues upon recovery through rates charged for utility service may not occur in the same period. Lease income was not significant for the years ended December 31, 2021, 2020, and 2019.

CERC

	Year Ended December 31,
	2021		2020		2019
	(in millions)
Revenue from contracts	$	3,210	$	2,714	$	2,979
Other (1)	38		49		39
Total revenues	$	3,248	$	2,763	$	3,018

(1)Primarily consists of income from ARPs and leases. ARPs are contracts between the utility and its regulators, not between the utility and a customer. The Registrants recognize ARP revenue as other revenues when the regulator-specified conditions for recognition have been met. Upon recovery of ARP revenue through incorporation in rates charged for utility service to customers, ARP revenue is reversed and recorded as revenue from contracts with

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customers. The recognition of ARP revenues and the reversal of ARP revenues upon recovery through rates charged for utility service may not occur in the same period. Lease income was $3 million, $2 million and less than $1 million, respectively, for the years ended December 31, 2021, 2020 and 2019.

Revenues from Contracts with Customers

Electric (CenterPoint Energy and Houston Electric). Houston Electric distributes electricity to customers over time and customers consume the electricity when delivered. Indiana Electric generates, distributes and transmits electricity to customers over time, and customers consume the electricity when delivered. Revenue, consisting of both volumetric and fixed tariff rates set by state regulators, such as the PUCT and the IURC, is recognized as electricity is delivered and represents amounts both billed and unbilled. Discretionary services requested by customers are provided at a point in time with control transferring upon the completion of the service. Revenue for discretionary services provided by Houston Electric is recognized upon completion of service based on the tariff rates set by the PUCT. Payments for electricity distribution and discretionary services are aggregated and received on a monthly basis. Houston Electric performs transmission services over time as a stand-ready obligation to provide a reliable network of transmission systems. Revenue is recognized upon time elapsed, and the monthly tariff rate set by the regulator. Payments are received on a monthly basis. Indiana Electric customers are billed monthly and payment terms, set by the regulator, require payment within a month of billing.

Natural Gas (CenterPoint Energy and CERC). CenterPoint Energy and CERC distribute and transport natural gas to customers over time, and customers consume the natural gas when delivered. Revenue, consisting of both volumetric and fixed tariff rates set by the state governing agency for that service area, is recognized as natural gas is delivered and represents amounts both billed and unbilled. Discretionary services requested by the customer are satisfied at a point in time and revenue is recognized upon completion of service and the tariff rates set by the applicable state regulator. Payments of natural gas distribution, transportation and discretionary services are aggregated and received on a monthly basis.

Contract Balances. When the timing of delivery of service is different from the timing of the payments made by customers and when the right to consideration is conditioned on something other than the passage of time, the Registrants recognize either a contract asset (performance precedes billing) or a contract liability (customer payment precedes performance). Those customers that prepay are represented by contract liabilities until the performance obligations are satisfied. The Registrants’ contract assets are included in Accrued unbilled revenues in their Consolidated Balance Sheets. As of December 31, 2021, CenterPoint Energy’s contract assets primarily relate to Energy Systems Group contracts where revenue is recognized using the input method. The Registrants’ contract liabilities are included in Accounts payable and Other current liabilities in their Consolidated Balance Sheets. On an aggregate basis as of December 31, 2021, CenterPoint Energy’s contract liabilities primarily relate to Energy Systems Group contracts where revenue is recognized using the input method.

The opening and closing balances of accounts receivable, other accrued unbilled revenue, contract assets and contract liabilities from contracts with customers are as follows:

CenterPoint Energy

	Accounts Receivable		Other Accrued Unbilled Revenues		Contract Assets		Contract Liabilities
	(in millions)
Opening balance as of December 31, 2020	$	604	$	505	$	27	$	18
Closing balance as of December 31, 2021	627		513		15		16
Increase	$	23	$	8	$	(12)	$	(2)

The amount of revenue recognized in the year ended December 31, 2021 that was included in the opening contract liability was $17 million. The difference between the opening and closing balances of the contract liabilities primarily results from the timing difference between CenterPoint Energy’s performance and the customer’s payment.

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Houston Electric

	Accounts Receivable		Other Accrued Unbilled Revenues		Contract Liabilities
	(in millions)
Opening balance as of December 31, 2020	$	225	$	113	$	3
Closing balance as of December 31, 2021	225		127		4
Increase (decrease)	$	—	$	14	$	1

The amount of revenue recognized in the year ended December 31, 2021 that was included in the opening contract liability was $3 million. The difference between the opening and closing balances of the contract liabilities primarily results from the timing difference between Houston Electric’s performance and the customer’s payment.

CERC

	Accounts Receivable		Other Accrued Unbilled Revenues
	(in millions)
Opening balance as of December 31, 2020	$	214	$	261
Closing balance as of December 31, 2021	223		247
Increase (decrease)	$	9	$	(14)

CERC does not have any opening or closing contract asset or contract liability balances.

Remaining Performance Obligations (CenterPoint Energy). The table below discloses (1) the aggregate amount of the transaction price allocated to performance obligations that are unsatisfied (or partially unsatisfied) as of the end of the reporting period for contracts and (2) when CenterPoint Energy expects to recognize this revenue. Such contracts include energy performance and sustainable infrastructure services contracts of Energy Systems Group, which are included in Corporate and Other.

	Rolling 12 Months		Thereafter		Total
	(in millions)
Revenue expected to be recognized on contracts in place as of December 31, 2021:
Corporate and Other	$	232	$	549	$	781
	$	232	$	549	$	781

Practical Expedients and Exemption. Sales taxes and other similar taxes collected from customers are excluded from the transaction price. For contracts for which revenue from the satisfaction of the performance obligations is recognized in the amount invoiced, the practical expedient was elected and revenue expected to be recognized on these contracts has not been disclosed.

Allowance for Credit Losses and Bad Debt Expense

CenterPoint Energy and CERC segregate financial assets that fall under the scope of Topic 326, primarily trade receivables due in one year or less, into portfolio segments based on shared risk characteristics, such as geographical location and regulatory environment, for evaluation of expected credit losses. Historical and current information, such as average write-offs, are applied to each portfolio segment to estimate the allowance for losses on uncollectible receivables. Additionally, the allowance for losses on uncollectible receivables is adjusted for reasonable and supportable forecasts of future economic conditions, which can include changing weather, commodity prices, regulations, and macroeconomic factors, among others. Houston Electric had no material changes in its methodology to recognize losses on financial assets that fall under the scope of Topic 326, primarily due to the nature of its customers and regulatory environment. For a discussion of regulatory deferrals related to COVID-19, see Note 7.

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The table below summarizes the Registrants’ bad debt expense amounts for 2021, 2020 and 2019, net of regulatory deferrals, including those related to COVID-19:

	Year Ended December 31,
	2021						2020						2019
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Bad debt expense	$	12	$	—	$	11	$	24	$	—	$	18	$	18	$	—	$	14

(6) Goodwill and Other Intangibles (CenterPoint Energy and CERC)

CenterPoint Energy’s goodwill by reportable segment as of December 31, 2020 and changes in the carrying amount of goodwill as of December 31, 2021 are as follows:

	December 31, 2020		Held for Sale			Disposals			December 31, 2021
	(in millions)
Electric (1)	$	936	$	—		$	—		$	936
Natural Gas	3,323		398		(2)	5		(3)	2,920
Corporate and Other	438		—			—			438
Total	$	4,697	$	398		$	5		$	4,294

CERC’s goodwill is as follows:

	December 31, 2020		Held for Sale			Disposals			December 31, 2021
	(in millions)
Goodwill	$	757	$	144	(2)	$	2	(3)	$	611

(1)Amount presented is net of the accumulated goodwill impairment charge of $185 million recorded in 2020.

(2)Represents goodwill attributable to the Natural Gas businesses. For further information, see Note 4.

(3)Represents goodwill attributable to the MES disposal. For further information, see Note 4.

When a disposal group reflects a component of a reporting unit and meets the definition of a business, the goodwill within that reporting unit is allocated to the disposal group based on the relative fair value of the components representing a business that will be retained and disposed. As a result, goodwill attributable to the Natural Gas businesses to be disposed is classified as held for sale as of December 31, 2021, and goodwill attributable to MES was reflected in the gain on sale during the year ended December 31, 2021.

CenterPoint Energy and CERC perform goodwill impairment tests at least annually and evaluate goodwill when events or changes in circumstances indicate that its carrying value may not be recoverable. The impairment evaluation for goodwill is performed by comparing the fair value of each reporting unit with the carrying amount of the reporting unit, including goodwill. The estimated fair value of a reporting unit is primarily determined based on an income approach or a weighted combination of income and market approaches. If the carrying amount of the reporting unit is in excess of the estimated fair value of the reporting unit, then the excess amount is the impairment charge that should be recorded, not to exceed the carrying amount of goodwill. See Note 2(g) for further discussion.

CenterPoint Energy and CERC performed the annual goodwill impairment tests in the third quarter of each of 2021 and 2020 and determined that no goodwill impairment charge was required for any reporting unit as a result of those tests.

In connection with their preparation of the financial statements for the three months ended March 31, 2020, CenterPoint Energy and CERC identified triggering events to perform interim goodwill impairment tests for each of their reporting units due to the macroeconomic conditions related in part to the COVID-19 pandemic and the resulting decrease in CenterPoint Energy’s enterprise market capitalization below book value from the decline in CenterPoint Energy’s Common Stock price.

CenterPoint Energy’s interim impairment test in the three months ended March 31, 2020 resulted in a non-cash goodwill impairment charge in the amount of $185 million for a reporting unit, Indiana Electric, within the Electric reportable segment.

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The fair value analysis resulted in an implied fair value of goodwill of $936 million for this reporting unit as of March 31, 2020, and as a result, the non-cash impairment charge was recorded in the year ended December 31, 2020.

CenterPoint Energy estimated the fair value of the Indiana Electric reporting unit using primarily an income approach. Under the income approach, the fair value of the reporting unit is determined by using the present value of future expected cash flows, which include management’s projections of the amount and timing of future capital expenditures and the cash inflows from the related regulatory recovery. These estimated future cash flows are then discounted using a rate that approximates the weighted average cost of capital of a market participant. The selection of the discount rate requires significant judgment.

With the exception of Indiana Electric reporting unit discussed above, the fair value of each of CenterPoint Energy’s and CERC’s reporting units exceeded their carrying value, resulting in no goodwill impairment from the March 31, 2020 interim impairment test. See Note 4 for goodwill impairments included within discontinued operations.

The tables below present information on CenterPoint Energy’s other intangible assets recorded in Other in Other Assets on the Consolidated Balance Sheets and the related amortization expense included in Depreciation and amortization on CenterPoint Energy’s Statements of Consolidated Income, unless otherwise indicated in the tables below.

	December 31, 2021						December 31, 2020
	Gross Carrying Amount		Accumulated Amortization		Net Balance		Gross Carrying Amount		Accumulated Amortization		Net Balance
	(in millions)
Customer relationships	$	33	$	(12)	$	21	$	33	$	(8)	$	25
Trade names	16		(5)		11		16		(3)		13
Construction backlog (1)	—		—		—		5		(5)		—
Operation and maintenance       agreements (1)	12		(1)		11		12		(1)		11
Other	2		(1)		1		2		(1)		1
Total	$	63	$	(19)	$	44	$	68	$	(18)	$	50

(1)Amortization expense related to the operation and maintenance agreements and construction backlog is included in Non-utility cost of revenues, including natural gas on CenterPoint Energy’s Statements of Consolidated Income.

	Year Ended December 31,
	2021		2020		2019
	(in millions)
Amortization expense of intangible assets recorded in Depreciation and amortization (1) (2)	$	6	$	6	$	5
Amortization expense of intangible assets recorded in Non-utility cost of revenues, including natural gas (2)	1		2		4

(1)Includes $5 million for the year ended December 31, 2019 of amortization expense related to intangibles acquired in the Merger.

(2)Assets held for sale are not amortized. The table reflects amortization on continuing operations. For further information on discontinued operations, see Note 4.

CenterPoint Energy estimates that amortization expense of intangible assets with finite lives for the next five years will be as follows:

	Amortization Expense
	(in millions)
2022	$	6
2023	6
2024	5
2025	5
2026	5

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(7) Regulatory Matters

The following is a list of regulatory assets and liabilities, excluding amounts related to the Arkansas and Oklahoma Natural Gas businesses classified as held for sale, reflected on the Registrants’ respective Consolidated Balance Sheets as of December 31, 2021 and 2020. For information about regulatory assets and liabilities in held for sale, see Note 4.

	December 31, 2021
	CenterPoint Energy		Houston Electric		CERC
	(in millions)
Regulatory Assets:
Future amounts recoverable from ratepayers related to:
Benefit obligations (1)	$	412	$	—	$	5
Asset retirement obligations & other	240		45		192
Net deferred income taxes	41		29		2
Total future amounts recoverable from ratepayers	693		74		199
Amounts deferred for future recovery related to:
Extraordinary gas costs	1,528		—		1,454
Cost recovery riders	124		—		—
Hurricane and February 2021 Winter Storm Event restoration costs	105		105		—
Other regulatory assets	94		57		37
Gas recovery costs	29		—		29
Decoupling	25		—		25
COVID-19 incremental costs	23		8		15
Emergency generation costs	21		21		—
Unrecognized equity return	(28)		(3)		(4)
Total amounts deferred for future recovery	1,921		188		1,556
Amounts currently recovered in customer rates related to:
Authorized trackers and cost deferrals	504		24		11
Securitized regulatory assets	420		420		—
Unamortized loss on reacquired debt and hedging	92		67		—
Gas recovery costs	72		—		40
Extraordinary gas costs	66		—		66
Regulatory assets related to TCJA	48		46		2
Hurricane Harvey restoration costs	43		43		—
Benefit obligations	28		24		4
Unrecognized equity return (2)	(171)		(97)		(12)
Total amounts recovered in customer rates (3)	1,102		527		111
Total Regulatory Assets	$	3,716	$	789	$	1,866
Total Current Regulatory Assets (4)	$	1,395	$	—	$	1,289
Total Non-Current Regulatory Assets	$	2,321	$	789	$	577
Regulatory Liabilities:
Regulatory liabilities related to TCJA	$	1,389	$	738	$	400
Estimated removal costs	1,304		229		452
Other regulatory liabilities	481		205		128
Total Regulatory Liabilities	$	3,174	$	1,172	$	980
Total Current Regulatory Liabilities (5)	$	21	$	20	$	1
Total Non-Current Regulatory Liabilities	$	3,153	$	1,152	$	979

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	December 31, 2020
	CenterPoint Energy		Houston Electric		CERC
	(in millions)
Regulatory Assets:
Future amounts recoverable from ratepayers related to:
Benefit obligations (1)	$	550	$	—	$	4
Asset retirement obligations & other	173		39		125
Net deferred income taxes	37		25		3
Total future amounts recoverable from ratepayers	760		64		132
Amounts deferred for future recovery related to:
Cost recovery riders	221		—		—
Other regulatory assets	90		38		52
Hurricane restoration costs	36		36		—
COVID-19 incremental costs	23		5		18
Gas recovery costs	9		—		9
Decoupling	2		—		2
Unrecognized equity return	(42)		—		(5)
Total amounts deferred for future recovery	339		79		76
Amounts currently recovered in customer rates related to:
Securitized regulatory assets	633		633		—
Authorized trackers and cost deferrals	332		30		20
Unamortized loss on reacquired debt and hedging	111		73		—
Hurricane Harvey restoration costs	55		55		—
Benefit obligations	37		31		6
Regulatory assets related to TCJA	25		20		5
Gas recovery costs	7		—		7
Unrecognized equity return (2)	(187)		(137)		(8)
Total amounts recovered in customer rates	1,013		705		30
Total Regulatory Assets	$	2,112	$	848	$	238
Total Current Regulatory Assets	$	18	$	—	$	18
Total Non-Current Regulatory Assets	$	2,094	$	848	$	220
Regulatory Liabilities:
Regulatory liabilities related to TCJA	$	1,484	$	764	$	421
Estimated removal costs	1,470		231		656
Other regulatory liabilities	566		300		178
Total Regulatory Liabilities	$	3,520	$	1,295	$	1,255
Total Current Regulatory Liabilities (5)	$	72	$	43	$	29
Total Non-Current Regulatory Liabilities	$	3,448	$	1,252	$	1,226

(1)Pension and postretirement-related regulatory assets balances are measured annually, and the ending amortization period may change based on the actuarial valuation.

(2)Represents the following: (a) CenterPoint Energy’s allowed equity return on post in-service carrying cost generally associated with investments in Indiana; (b) Houston Electric’s allowed equity return on its true-up balance of stranded costs, other changes and related interest resulting from the formerly integrated electric utilities prior to Texas deregulation to be recovered in rates through 2024 and certain storm restoration balances pending recovery in the next rate proceeding; and (c) CERC’s allowed equity return on post in-service carrying cost associated with certain distribution facilities replacements expenditures in Texas.

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(3)Of the $1.1 billion, $527 million and $111 million currently being recovered in customer rates related to CenterPoint Energy, Houston Electric and CERC, respectively, $558 million, $459 million and $7 million is earning a return, respectively. The weighted average recovery period of regulatory assets currently being recovered in base rates, not earning a return, which totals $175 million, $67 million and $69 million for CenterPoint Energy, Houston Electric and CERC, respectively, is 11 years, 23 years and 2 years, respectively. Regulatory assets not earning a return with perpetual or undeterminable lives have been excluded from the weighted average recovery period calculation.

(4)Current regulatory assets for CenterPoint Energy and CERC include extraordinary gas costs of $1,256 million and $1,182 million, respectively.

(5)Current regulatory liabilities are included in Other current liabilities in each of the Registrants’ respective Consolidated Balance Sheets.

The table below reflects the amount of allowed equity return recognized by each Registrant in its Statements of Consolidated Income:

	Year Ended December 31,
	2021						2020						2019
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Allowed equity return recognized	$	40	$	37	$	1	$	31	$	31	$	—	$	45	$	45	$	—

February 2021 Winter Storm Event

In February 2021, certain of the Registrants’ jurisdictions experienced an extreme and unprecedented winter weather event that resulted in prolonged freezing temperatures, which impacted their businesses. In Texas, the February 2021 Winter Storm Event caused an electricity generation shortage that was severely disruptive to Houston Electric’s service territory and the wholesale generation market. While demand for electricity reached extraordinary levels due to the extreme cold, the supply of electricity significantly decreased in part because of the inability of certain power generation facilities to supply electric power to the grid. Houston Electric does not own or operate any electric generation facilities other than leasing facilities that provide temporary emergency electric energy to aid in restoring power to distribution customers during certain widespread power outages as allowed by a new law enacted after the February 2021 Winter Storm Event. Houston Electric transmits and distributes to customers of REPs electric power that the REPs obtain from power generation facilities owned by third parties. ERCOT serves as the independent system operator and regional reliability coordinator for member electric power systems in most of Texas. To comply with ERCOT’s orders, Houston Electric implemented controlled outages across its service territory, resulting in a substantial number of businesses and residents being without power, many for extended periods of time, in compliance with ERCOT’s directives as an emergency procedure to avoid prolonged large-scale state-wide blackouts and long-term damage to the electric system in Texas. In anticipation of this weather event, Houston Electric implemented its emergency operations plan’s processes and procedures necessary to respond to such events, including establishing an incident command center and calling for mutual assistance from other utilities where needed, among other measures. Throughout the February 2021 Winter Storm Event, Houston Electric remained in contact with its regulators and stakeholders, including federal, state and local officials, as well as the PUCT and ERCOT.

The February 2021 Winter Storm Event also impacted wholesale prices of CenterPoint Energy’s and CERC’s natural gas purchases and their ability to serve customers in their Natural Gas service territories, including due to the reduction in available natural gas capacity and impacts to CenterPoint Energy’s and CERC’s natural gas supply portfolio activities, and the effects of weather on their systems and their ability to transport natural gas, among other things. The overall natural gas market, including the markets from which CenterPoint Energy and CERC sourced a significant portion of their natural gas for their operations, experienced significant impacts caused by the February 2021 Winter Storm Event, resulting in extraordinary increases in the price of natural gas purchased by CenterPoint Energy and CERC.

On February 13, 2021, the Railroad Commission authorized each Texas natural gas distribution utility to record in a regulatory asset the extraordinary expenses associated with the February 2021 Winter Storm Event, including, but not limited to, natural gas cost and other costs related to the procurement and transportation of natural gas supply, subject to recovery in future regulatory proceedings. The Texas governor signed legislation in June 2021 that authorizes the Railroad Commission to use securitization financing and the issuance of customer rate relief bonds for recovery of extraordinary natural gas costs incurred by natural gas utilities as a result of the February 2021 Winter Storm Event. On November 12, 2021, the RRC issued a Regulatory Asset Determination Order which authorized CERC to include $1.1 billion in a regulatory asset which should be

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included for recovery through customer rate relief bond financing. In addition, CenterPoint Energy’s and CERC’s Natural Gas utilities in jurisdictions outside of Texas deferred under-recovered natural gas cost as regulatory assets under existing recovery mechanisms and are seeking recovery of the increased cost of natural gas. As of December 31, 2021, CenterPoint Energy and CERC have recorded current regulatory assets of $1,410 million and $1,336 million, respectively, of which $154 million related to Arkansas and Oklahoma has been recast to held for sale at both CenterPoint Energy and CERC, and non-current regulatory assets of $583 million and $583 million respectively, of which $244 million related to Arkansas and Oklahoma has been recast to held for sale at both CenterPoint Energy and CERC, associated with the February 2021 Winter Storm Event. See Note 4 for further information.

Amounts for the under recovery of natural gas costs are reflected in regulatory assets included in Prepaid expenses and other current assets and Regulatory assets on CenterPoint Energy’s and CERC’s Condensed Consolidated Balance Sheets. Recovery of natural gas costs within the regulatory assets are probable and are subject to customary regulatory prudence reviews in all jurisdictions that may impact the amounts ultimately recovered. CenterPoint Energy and CERC, as applicable, have begun recovery of natural gas costs in Indiana, Louisiana, Mississippi and Minnesota. CenterPoint Energy and CERC have filed for securitization of natural gas costs in Texas, received commission approval and issuance of financing order in 2022, and expect the Texas Public Financing Authority to issue customer rate relief bonds in 2022. As part of the closing of the sale of CenterPoint Energy’s and CERC’s Natural Gas businesses in Arkansas and Oklahoma, CERC received as part of the purchase price $398 million for unrecovered natural gas costs of the February 2021 Winter Storm Event. In testimonies filed on December 22, 2021 and February 11, 2022, in CERC’s high gas cost prudency review case, the Minnesota Attorney General’s Office, Department of Commerce, and Citizens Utility Board have proposed significant disallowances for all natural gas utilities, resulting in a potential disallowances for CenterPoint Energy and CERC. Recommended disallowances for CERC include up to $45 million proposed by the Department of Commerce, $82 million proposed by the Citizens Utility Board, and $409 million (or in the alternative $57 million) proposed by the Attorney General’s Office. The natural gas costs in Minnesota were incurred in accordance with the plan on file with the MPUC and CenterPoint Energy believes the costs were prudently incurred and are eligible for recovery through an existing mechanism. The MPUC has ordered that the amortization period for extraordinary gas costs resulting from the February 2021 Winter Storm Event be increased from a 27-months to 63-months beginning on January 1, 2022, and that CERC forego recovery of the associated carrying costs. Additionally, due to the uncertainty of timing and method of recovery in some jurisdictions, CenterPoint Energy and CERC may not earn a return on amounts deferred in the regulatory assets associated with the February 2021 Winter Storm Event.

On February 21, 2021, in response to the 2021 February Winter Storm Event, the PUCT issued an order prohibiting REPs from sending a request to TDUs to disconnect such REPs’ customers for non-payment, effective February 21, 2021. As a result of this order, Houston Electric did not execute any requests for disconnection from any REPs until the PUCT issued orders for disconnects to resume. In June 2021, the PUCT issued an updated order relating to disconnections and REPs resumed the distribution of disconnection notices thereafter. As of December 31, 2021, as authorized by the PUCT, CenterPoint Energy and Houston Electric recorded a regulatory asset of $8 million for bad debt expenses resulting from REPs’ default on their obligation to pay delivery charges to Houston Electric net of collateral. Additionally, as of December 31, 2021, CenterPoint Energy and Houston Electric recorded a regulatory asset of $15 million to defer operations and maintenance costs associated with the February 2021 Winter Storm Event.

See Notes 14 and 16(e) for further information regarding debt financing transactions and litigation related to the February 2021 Winter Storm Event, respectively.

COVID-19 Regulatory Matters

Governors, public utility commissions and other authorities in the states in which the Registrants operate have issued a number of different orders related to the COVID-19 pandemic, including orders addressing customer non-payment and disconnection. Although the disconnect moratoriums have expired in the Registrants’ service territories, CenterPoint Energy continues to support those customers who may need payment assistance, arrangements or extensions.

On March 26, 2020, the PUCT issued two orders related to COVID-19 issues that affect Houston Electric. First, the PUCT issued an order related to accrual of regulatory assets granting authority for utilities to record as a regulatory asset expenses resulting from the effects of COVID-19. In the order, the PUCT noted that it will consider whether a utility’s request for recovery of the regulatory asset is reasonable and necessary in a future proceeding. Second, the PUCT issued an order related to the COVID-19 ERP, as modified, which, in light of the disaster declarations issued by the governor of Texas, authorized a customer assistance program for certain residential customers of electric service in areas of Texas open to customer choice, which includes Houston Electric’s service territory. 

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The PUCT issued an order on August 27, 2020 to conclude the COVID-19 ERP. The PUCT determined that enrollment in the COVID-19 ERP would end on August 31, 2020 and benefits under the program ended on September 30, 2020. Final claims for reimbursement were required to be submitted to the transmission and distribution utilities by November 30, 2020. The transmission and distribution utilities must file a tariff rider cancellation seven days before the date on which it is estimated that revenues from the COVID-19 ERP are approximately equal to its program expenses. Final program reports were required to be submitted to the PUCT by January 15, 2021. The COVID-19 ERP allows for any over/under collection of program expenses to be recorded as a regulatory asset or liability. In December 2021, Houston Electric filed with the PUCT a proposal to reduce the TCRF revenue requirement by the final amount of COVID-19 ERP regulatory liability balance. On January 25, 2022, the PUCT issued approval of the TCRF update with rates effective March 1, 2022.

The COVID-19 ERP allows program expenses to be recovered in rates. CenterPoint Energy’s and Houston Electric’s COVID-19 ERP regulatory assets were $-0- million as of December 31, 2021 and $6 million as of December 31, 2020.

Commissions in all of Indiana Electric’s and CenterPoint Energy’s and CERC’s Natural Gas service territories have either (1) issued orders to record a regulatory asset for incremental bad debt expenses related to COVID-19, including costs associated with the suspension of disconnections and payment plans or (2) provided authority to recover bad debt expense through an existing tracking mechanism. CenterPoint Energy and CERC have recorded estimated incremental uncollectible receivables to the associated regulatory asset of $29 million and $27 million, respectively, as of December 31, 2021 and $22 million and $19 million, respectively, as of December 31, 2020.

In some of the states in which the Registrants operate, public utility commissions have authorized utilities to employ deferred accounting authority for certain COVID-19 related costs which ensure the safety and health of customers, employees, and contractors, that would not have been incurred in the normal course of business. CERC’s Natural Gas service territory in Minnesota will include any offsetting savings in the deferral. Other jurisdictions where the Registrants operate may require them to offset the deferral with savings as well. The Mississippi RRA, filed on April 30, 2021, included the unamortized balance of the regulatory asset as of December 31, 2020 in rate base per Docket No. 2018-AD-141 Order Authorizing Utility Response and Accounting for COVID-19. The Minnesota general rate case filing, filed on November 1, 2021, included a request to recover the COVID-19 regulatory asset balance as of June 30, 2021 over a two-year amortization period.

(8) Stock-Based Incentive Compensation Plans and Employee Benefit Plans

(a) Stock-Based Incentive Compensation Plans (CenterPoint Energy)

CenterPoint Energy has LTIPs that provide for the issuance of stock-based incentives, including stock options, performance awards, restricted stock unit awards and restricted and unrestricted stock awards to officers, employees and non-employee directors.  Approximately 14 million shares of Common Stock are authorized under these plans for awards. CenterPoint Energy issues new shares of its Common Stock to satisfy stock-based payments related to LTIPs. Equity awards are granted to employees without cost to the participants.

Compensation costs for the performance and stock unit awards granted under LTIPs are measured using fair value and expected achievement levels on the grant date. For performance awards with operational goals, the achievement levels are revised as goals are evaluated. The fair value of awards granted to employees is based on the closing stock price of CenterPoint Energy’s Common Stock on the grant date. The compensation expense is recorded on a straight-line basis over the vesting period.  Forfeitures are estimated on the date of grant based on historical averages and estimates are updated periodically throughout the vesting period. 

The performance awards granted in 2021, 2020 and 2019 are distributed based upon the achievement of certain objectives over a three-year performance cycle. The stock unit awards granted in 2020 and 2019 are service based, and the stock unit awards granted in 2021 are service based, subject to the achievement of a performance goal. The stock unit awards generally vest at the end of a three-year period, provided, however, that stock unit awards granted to non-employee directors vested immediately upon grant. Upon vesting, shares under the performance and stock unit awards are issued to the participants along with the value of dividend equivalents earned over the performance cycle or vesting period.

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The following table summarizes CenterPoint Energy’s expenses related to LTIPs for 2021, 2020 and 2019:

	Year Ended December 31,
	2021		2020		2019
	(in millions)
LTIP compensation expense (1)	$	48	$	38	$	28
Income tax benefit recognized	11		9		7
Actual tax benefit realized for tax deductions	4		5		12

(1)Amounts presented in the table above are included in Operation and maintenance expense in CenterPoint Energy’s Statements of Consolidated Income and shown prior to any amounts capitalized.

The following tables summarize CenterPoint Energy’s LTIP activity for 2021:

	Year Ended December 31, 2021
	Shares (Thousands)	Weighted-Average Grant Date Fair Value		Remaining Average Contractual Life (Years)	Aggregate Intrinsic Value (2) (Millions)
Performance Awards (1)
Outstanding and nonvested as of December 31, 2020	3,900	$	26.58
Granted	2,095	21.89
Forfeited or canceled	(1,017)	26.44
Vested and released to participants	(315)	26.79
Outstanding and nonvested as of December 31, 2021	4,663	$	24.48	1.2	$	90
Stock Unit Awards
Outstanding and nonvested as of December 31, 2020	1,289	$	25.71
Granted	1,609	24.20
Forfeited or canceled	(91)	26.23
Vested and released to participants	(440)	25.26
Outstanding and nonvested as of December 31, 2021	2,367	$	24.75	1.4	$	66

 

(1)Reflects maximum performance achievement.

(2)Reflects the impact of current expectations of achievement and stock price.

The weighted average grant date fair values per unit of awards granted were as follows for 2021, 2020 and 2019:

	Year Ended December 31,
	2021		2020		2019
	(in millions, except for per unit amounts)
Performance Awards
Weighted-average grant date fair value per unit of awards granted	$	21.89	$	23.82	$	31.16
Total intrinsic value of awards received by participants	7		9		36
Vested grant date fair value	8		9		20
Stock Unit Awards
Weighted-average grant date fair value per unit of awards granted	$	24.20	$	21.53	$	31.07
Total intrinsic value of awards received by participants	11		12		15
Vested grant date fair value	11		12		9

As of December 31, 2021, there was $58 million of total unrecognized compensation cost related to nonvested performance and stock unit awards which is expected to be recognized over a weighted-average period of 1.7 years.

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(b) Pension Benefits (CenterPoint Energy)

CenterPoint Energy maintains a non-contributory qualified defined benefit pension plan covering eligible employees, with benefits determined using a cash balance formula. In addition to the non-contributory qualified defined benefit pension plan, CenterPoint Energy maintains unfunded non-qualified benefit restoration plans which allow participants to receive the benefits to which they would have been entitled under CenterPoint Energy’s non-contributory qualified pension plan except for federally mandated limits on qualified plan benefits or on the level of compensation on which qualified plan benefits may be calculated.

As a result of the Merger, CenterPoint Energy now also maintains three additional qualified defined benefit pension plans, two of which are closed to new participants and one of which is completely frozen, and a non-qualified supplemental retirement plan. The defined benefit pension plans cover eligible full-time regular employees and retirees of Vectren and are primarily non-contributory.

CenterPoint Energy’s net periodic cost includes the following components relating to pension, including the non-qualified benefit plans:

	Year Ended December 31,
	2021		2020		2019
	(in millions)
Service cost (1)	$	39	$	43	$	40
Interest cost (2)	59		75		96
Expected return on plan assets (2)	(103)		(112)		(105)
Amortization of prior service cost (2)	—		—		9
Amortization of net loss (2)	36		41		52
Settlement cost (2) (3)	38		2		2
Curtailment gain (2) (4)	—		—		(1)
Net periodic cost	$	69	$	49	$	93

 

(1)Amounts presented in the table above are included in Operation and maintenance expense in CenterPoint Energy’s Statements of Consolidated Income, net of regulatory deferrals and amounts capitalized.

(2)Amounts presented in the table above are included in Other, net in CenterPoint Energy’s Statements of Consolidated Income, net of regulatory deferrals.

(3)A one-time, non-cash settlement cost is required when the total lump sum distributions or other settlements of plan benefit obligations during a plan year exceed the service cost and interest cost components of the net periodic cost for that year. In 2021, 2020 and 2019, CenterPoint Energy recognized non-cash settlement cost due to lump sum settlement payments.

(4)A curtailment gain or loss is required when the expected future services of a significant number of employees are reduced or eliminated for the accrual of benefits. In 2019, CenterPoint Energy recognized a pension curtailment gain related to employees who were terminated after the Merger Date.

CenterPoint Energy used the following assumptions to determine net periodic cost relating to pension benefits:

	Year Ended December 31,
	2021		2020		2019
Discount rate	2.45	%	3.20	%	4.35	%
Expected return on plan assets	5.00		5.75		6.00
Rate of increase in compensation levels	5.05		4.95		4.60

In determining net periodic benefit cost, CenterPoint Energy uses fair value, as of the beginning of the year, as its basis for determining expected return on plan assets.

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The following table summarizes changes in the benefit obligation, plan assets, the amounts recognized in the Consolidated Balance Sheets as well as the key assumptions of CenterPoint Energy’s pension plans. The measurement dates for plan assets and obligations were December 31, 2021 and 2020.

	December 31,
	2021			2020
	(in millions, except for actuarial assumptions)
Change in Benefit Obligation
Benefit obligation, beginning of year	$	2,507		$	2,453
Service cost	38			43
Interest cost	59			75
Benefits paid	(285)			(207)
Actuarial (gain) loss (1)	(22)			143
Plan amendment	1			—
Benefit obligation, end of year	2,298			2,507
Change in Plan Assets
Fair value of plan assets, beginning of year	2,135			2,005
Employer contributions	61			86
Benefits paid	(285)			(207)
Actual investment return	161			251
Fair value of plan assets, end of year	2,072			2,135
Funded status, end of year	$	(226)		$	(372)
Amounts Recognized in Balance Sheets
Non-current assets	$	6		$	—
Current liabilities-other	(7)			(8)
Other liabilities-benefit obligations	(225)			(364)
Net liability, end of year	$	(226)		$	(372)
Actuarial Assumptions
Discount rate (2)	2.80		%	2.45		%
Expected return on plan assets (3)	5.00			5.00
Rate of increase in compensation levels	4.95			5.05
Interest crediting rate	2.25			2.25

(1)Significant sources of gain for 2021 include the increase in discount rate from 2.45% to 2.80%, and actual return on plan assets exceeding expected return on assets during 2021.

(2)The discount rate assumption was determined by matching the projected cash flows of CenterPoint Energy’s plans against a hypothetical yield curve of high-quality corporate bonds represented by a series of annualized individual discount rates from one-half to 99 years.

(3)The expected rate of return assumption was developed using the targeted asset allocation of CenterPoint Energy’s plans and the expected return for each asset class.

The following table displays pension benefits related to CenterPoint Energy’s pension plans that have accumulated benefit obligations in excess of plan assets:

	December 31,
	2021				2020
	Pension (Qualified)		Pension (Non-qualified)		Pension (Qualified)		Pension (Non-qualified)
	(in millions)
Accumulated benefit obligation	$	2,216	$	62	$	2,427	$	68
Projected benefit obligation	2,237		62		2,440		68
Fair value of plan assets	2,072		—		2,135		—

The accumulated benefit obligation for all defined benefit pension plans on CenterPoint Energy’s Consolidated Balance Sheets was $2,278 million and $2,495 million as of December 31, 2021 and 2020, respectively.

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(c) Postretirement Benefits

CenterPoint Energy provides certain healthcare and life insurance benefits for eligible retired employees on both a contributory and non-contributory basis. The Registrants’ employees (other than employees of Vectren and its subsidiaries) who were hired before January 1, 2018 and who have met certain age and service requirements at retirement, as defined in the plans, are eligible to participate in these benefit plans, provided, however, that life insurance benefits are available only for eligible retired employees who retired before January 1, 2022. Employees hired on or after January 1, 2018 are not eligible for these benefits, except that such employees represented by IBEW Local Union 66 are eligible to participate in certain of the benefits, subject to the applicable age and service requirements. With respect to retiree medical and prescription drug benefits, and, effective January 1, 2021, dental and vision benefits, employees represented by the IBEW Local Union 66 who retire on or after January 1, 2017, and their dependents, receive any such benefits exclusively through the NECA/IBEW Family Medical Care Plan pursuant to the terms of the applicable collective bargaining agreement. Houston Electric and CERC are required to fund a portion of their obligations in accordance with rate orders. All other obligations are funded on a pay-as-you-go basis.

CenterPoint Energy, through Vectren, also maintains a postretirement benefit plan that provides health care and life insurance benefits, which are a combination of self-insured and fully insured programs, to eligible Vectren retirees on both a contributory and non-contributory basis.

Postretirement benefits are accrued over the active service period of employees. The net postretirement benefit cost includes the following components:

	Year Ended December 31,
	2021						2020						2019
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Service cost (1)	$	2	$	—	$	1	$	2	$	—	$	1	$	3	$	1	$	1
Interest cost (2)	9		4		3		11		5		3		15		7		5
Expected return on plan assets (2)	(4)		(3)		(1)		(5)		(4)		(1)		(5)		(4)		(1)
Amortization of prior service cost (credit) (2)	(4)		(5)		1		(4)		(5)		1		(5)		(6)		1
Net postretirement benefit cost (credit)	$	3	$	(4)	$	4	$	4	$	(4)	$	4	$	8	$	(2)	$	6

(1)Amounts presented in the table above are included in Operation and maintenance expense in each of the Registrants’ respective Statements of Consolidated Income, net of regulatory deferrals and amounts capitalized.

(2)Amounts presented in the table above are included in Other, net in each of the Registrants’ respective Statements of Consolidated Income, net of regulatory deferrals.

The following assumptions were used to determine net periodic cost relating to postretirement benefits:

	Year Ended December 31,
	2021						2020						2019
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
Discount rate	2.50	%	2.50	%	2.50	%	3.25	%	3.25	%	3.25	%	3.20	%	3.20	%	3.20	%
Expected return on plan assets	3.20		3.30		2.85		3.95		4.05		3.35		4.60		4.70		4.15

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The following table summarizes changes in the benefit obligation, plan assets, the amounts recognized in consolidated balance sheets and the key assumptions of the postretirement plans. The measurement dates for plan assets and benefit obligations were December 31, 2021 and 2020.

	December 31,
	2021									2020
	CenterPoint Energy			Houston Electric			CERC			CenterPoint Energy			Houston Electric			CERC
	(in millions, except for actuarial assumptions)
Change in Benefit Obligation
Benefit obligation, beginning of year	$	366		$	168		$	105		$	356		$	162		$	102
Service cost	2			—			1			2			—			1
Interest cost	9			4			3			11			5			3
Participant contributions	7			2			2			6			2			2
Benefits paid	(21)			(9)			(6)			(22)			(10)			(6)
Early Retiree Reinsurance Program	20			—			11			—			—			—
Plan amendment	—			5			—			—			—			—
Actuarial (gain) loss (1)	(47)			(22)			(11)			13			9			3
Benefit obligation, end of year	336			148			105			366			168			105
Change in Plan Assets
Fair value of plan assets, beginning of year	134			106			28			128			101			27
Employer contributions	7			1			3			10			3			3
Participant contributions	7			2			2			6			2			2
Benefits paid	(21)			(9)			(6)			(22)			(10)			(6)
Actual investment return	5			4			1			12			10			2
Fair value of plan assets, end of year	132			104			28			134			106			28
Funded status, end of year	$	(204)		$	(44)		$	(77)		$	(232)		$	(62)		$	(77)
Amounts Recognized in Balance Sheets
Current liabilities — other	$	(7)		$	—		$	(3)		$	(9)		$	—		$	(3)
Other liabilities — benefit obligations	(197)			(44)			(73)			(223)			(62)			(74)
Net liability, end of year	$	(204)		$	(44)		$	(76)		$	(232)		$	(62)		$	(77)
Actuarial Assumptions
Discount rate (2)	2.85		%	2.85		%	2.85		%	2.50		%	2.50		%	2.50		%
Expected return on plan assets (3)	3.22			3.32			2.86			3.20			3.30			2.85
Medical cost trend rate assumed for the next year - Pre-65	6.00			6.00			6.00			5.25			5.25			5.25
Medical/prescription drug cost trend rate assumed for the next year - Post-65	18.71			18.71			18.71			19.70			19.70			19.70
Prescription drug cost trend rate assumed for the next year - Pre-65	8.00			8.00			8.00			7.50			7.50			7.50
Rate to which the cost trend rate is assumed to decline (the ultimate trend rate)	4.50			4.50			4.50			4.50			4.50			4.50
Year that the cost trend rates reach the ultimate trend rate - Pre-65	2029			2029			2029			2028			2028			2028
Year that the cost trend rates reach the ultimate trend rate - Post-65	2030			2030			2030			2029			2029			2029

(1)Significant sources of gain for 2021 include updated claims and demographic experience and the increase in discount rate from 2.50% to 2.85%.

(2)The discount rate assumption was determined by matching the projected cash flows of the plans against a hypothetical yield curve of high-quality corporate bonds represented by a series of annualized individual discount rates from one-half to 99 years.

(3)The expected rate of return assumption was developed using the targeted asset allocation of the plans and the expected return for each asset class.

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(d) Accumulated Other Comprehensive Income (Loss) (CenterPoint Energy and CERC)

CenterPoint Energy recognizes the funded status of its pension and other postretirement plans on its Consolidated Balance Sheets. To the extent this obligation exceeds amounts previously recognized in the Statements of Consolidated Income, CenterPoint Energy records a regulatory asset for that portion related to its rate regulated utilities. To the extent that excess liability does not relate to a rate regulated utility, the offset is recorded as a reduction to equity in accumulated other comprehensive income.

Amounts recognized in accumulated other comprehensive loss (gain) consist of the following:

	December 31,
	2021						2020
	Pension Benefits		Postretirement Benefits				Pension Benefits		Postretirement Benefits
	CenterPoint Energy		CenterPoint Energy		CERC		CenterPoint Energy		CenterPoint Energy		CERC
	(in millions)
Unrecognized actuarial loss (gain)	$	99	$	(23)	$	(18)	$	109	$	(14)	$	(12)
Unrecognized prior service cost	—		13		12		—		7		7
Net amount recognized in accumulated other comprehensive loss (gain)	$	99	$	(10)	$	(6)	$	109	$	(7)	$	(5)

The changes in plan assets and benefit obligations recognized in other comprehensive income during 2021 are as follows:

	Pension Benefits		Postretirement Benefits
	CenterPoint Energy		CenterPoint Energy		CERC
	(in millions)
Net loss (gain)	$	1	$	(2)	$	—
Amortization of net loss	(7)		—		—
Amortization of prior service cost	—		(1)		(1)
Settlement	(4)		—		—
Total recognized in comprehensive income	$	(10)	$	(3)	$	(1)
Total recognized in net periodic costs and Other comprehensive income	$	59	$	—	$	3

(e) Pension Plan Assets (CenterPoint Energy)

In managing the investments associated with the benefit plans, CenterPoint Energy’s objective is to achieve and maintain a fully funded plan. This objective is expected to be achieved through an investment strategy that manages liquidity requirements while maintaining a long-term horizon in making investment decisions and efficient and effective management of plan assets.

As part of the investment strategy discussed above, CenterPoint Energy maintained the following weighted average allocation targets for its pension plans as of December 31, 2021:

	Minimum		Maximum
U.S. equity	17	%	27	%
International equity	9	%	19	%
Real estate	2	%	8	%
Fixed income	54	%	64	%
Cash	—	%	2	%

133

The following tables set forth by level, within the fair value hierarchy (see Note 10), CenterPoint Energy’s pension plan assets at fair value as of December 31, 2021 and 2020:

	Fair Value Measurements as of December 31,
	2021								2020
	(Level 1)		(Level 2)		(Level 3)		Total		(Level 1)		(Level 2)		(Level 3)		Total
	(in millions)
Cash	$	26	$	—	$	—	$	26	$	29	$	—	$	—	$	29
Corporate bonds:
Investment grade or above	—		833		—		833		—		767		—		767
Equity securities:
U.S. companies	89		—		—		89		76		—		—		76
Cash received as collateral from securities lending	80		—		—		80		81		—		—		81
U.S. treasuries and government agencies	285		—		—		285		225		—		—		225
Mortgage backed securities	—		7		—		7		—		5		—		5
Asset backed securities	—		3		—		3		—		3		—		3
Municipal bonds	—		40		—		40		—		43		—		43
Mutual funds (2)	—		—		—		—		301		—		—		301
International government bonds	—		20		—		20		—		18		—		18
Obligation to return cash received as collateral from securities lending	(80)		—		—		(80)		(81)		—		—		(81)
Total investments at fair value	$	400	$	903	$	—	$	1,303	$	631	$	836	$	—	$	1,467
Investments measured by net asset value per share or its equivalent (1) (2)							769								668
Total Investments							$	2,072							$	2,135

(1)Represents investments in common collective trust funds.

(2)The amounts invested in mutual funds and common collective trust funds were allocated as follows:

	As of December 31,
	2021		2020
	Common Collective Trust Funds		Mutual Funds		Common Collective Trust Funds
International equities	41	%	14	%	37	%
U.S. equities	58	%	55	%	3	%
Real estate	—	%	5	%	1	%
Fixed income	1	%	27	%	59	%

Level 2 investments, which do not have a quoted price in active market, are valued using the market data provided by independent pricing services or major market makers, to arrive at a price a dealer would pay for the security.

The pension plans utilized both exchange traded and over-the-counter financial instruments such as futures, interest rate options and swaps that were marked to market daily with the gains/losses settled in the cash accounts. The pension plans did not include any holdings of CenterPoint Energy Common Stock as of December 31, 2021 or 2020.

(f) Postretirement Plan Assets

In managing the investments associated with the postretirement plans, the Registrants’ primary objective is to preserve and improve the funded status of the plan, while minimizing volatility. This objective is expected to be achieved through an investment strategy that manages liquidity requirements while maintaining a long-term horizon in making investment decisions and efficient and effective management of plan assets.

134

As part of the investment strategy discussed above, the Registrants maintained the following weighted average allocation targets for the postretirement plans as of December 31, 2021:

	CenterPoint Energy				Houston Electric				CERC
	Minimum		Maximum		Minimum		Maximum		Minimum		Maximum
U.S. equities	13	%	23	%	13	%	23	%	15	%	25	%
International equities	3	%	13	%	3	%	13	%	2	%	12	%
Fixed income	69	%	79	%	69	%	79	%	68	%	78	%
Cash	—	%	2	%	—	%	2	%	—	%	2	%

The following table presents mutual funds by level, within the fair value hierarchy, the Registrants’ postretirement plan assets at fair value as of December 31, 2021 and 2020:

	Fair Value Measurements as of December 31,
	2021								2020
	Mutual Funds
	(Level 1)		(Level 2)		(Level 3)		Total		(Level 1)		(Level 2)		(Level 3)		Total
	(in millions)
CenterPoint Energy	$	133	$	—	$	—	$	133	$	134	$	—	$	—	$	134
Houston Electric	105		—		—		105		106		—		—		106
CERC	28		—		—		28		28		—		—		28

The amounts invested in mutual funds were allocated as follows:

	As of December 31,
	2021						2020
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
Fixed income	72	%	73	%	71	%	74	%	74	%	72	%
U.S. equities	20	%	19	%	22	%	19	%	18	%	21	%
International equities	8	%	8	%	7	%	7	%	8	%	7	%

(g) Benefit Plan Contributions

The Registrants made the following contributions in 2021 and expect to make the following minimum contributions in 2022 to the indicated benefit plans below:

	Contributions in 2021						Expected Minimum Contributions in 2022
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Qualified pension plans	$	53	$	—	$	—	$	—	$	—	$	—
Non-qualified pension plans	8		—		—		7		—		—
Postretirement benefit plans	7		1		3		8		1		3

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The following benefit payments are expected to be paid by the pension and postretirement benefit plans:

	Pension Benefits		Postretirement Benefits
	CenterPoint Energy		CenterPoint Energy		Houston Electric		CERC
	(in millions)
2022	$	166	$	16	$	7	$	4
2023	168		17		8		5
2024	167		18		9		5
2025	167		19		9		5
2026	163		20		9		6
2027-2031	730		103		48		30

(h) Savings Plan

CenterPoint Energy maintains the CenterPoint Energy Savings Plan, a tax-qualified employee savings plan that includes a cash or deferred arrangement under Section 401(k) of the Code, and an employee stock ownership plan under Section 4975(e)(7) of the Code. Under the plan, participating employees may make pre-tax or Roth contributions and, if eligible, after-tax contributions up to certain federally mandated limits. Participating Registrants provide matching contributions and, as of January 1, 2020, for certain eligible employees, nonelective contributions up to certain limits. CenterPoint Energy, through the Merger, also acquired additional defined contribution retirement savings plans sponsored by Vectren and its subsidiaries that are qualified under sections 401(a) and 401(k) of the Code, one of which merged into the CenterPoint Energy Savings Plan as of January 1, 2020 and one of which merged into the CenterPoint Energy Savings Plan as of January 1, 2022. As of January 1, 2022, the CenterPoint Energy Savings Plan is the only remaining qualified defined contribution retirement savings plan maintained by CenterPoint Energy.

The CenterPoint Energy Savings Plan has significant holdings of Common Stock. As of December 31, 2021, 8,688,841 shares of Common Stock were held by the savings plan, which represented approximately 8% of its investments. Given the concentration of the investments in Common Stock, the savings plan and its participants have market risk related to this investment. The savings plan limits the percentage of future contributions that can be invested in Common Stock to 25% and prohibits transfers of account balances where the transfer would result in more than 25% of a participant’s total account balance invested in Common Stock.

CenterPoint Energy allocates the savings plan benefit expense to Houston Electric and CERC related to their respective employees. The following table summarizes the Registrants’ savings plan benefit expense for 2021, 2020 and 2019:

	Year Ended December 31,
	2021						2020						2019
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Savings plan benefit  expenses (1)	$	58	$	20	$	18	$	58	$	18	$	19	$	58	$	18	$	18

(1)Amounts presented in the table above are included in Operation and maintenance expense in the Registrants’ respective Statements of Consolidated Income and shown prior to any amounts capitalized.

(i) Other Benefits Plans

The Registrants participate in CenterPoint Energy’s plans that provide postemployment benefits for certain former or inactive employees, their beneficiaries and covered dependents, after employment but before retirement (primarily healthcare and life insurance benefits for participants in the long-term disability plan).

CenterPoint Energy maintains non-qualified deferred compensation plans, including plans acquired in the Merger, that provide benefits payable to eligible directors, officers and select employees or their designated beneficiaries at specified future dates or upon termination, retirement or death. Benefit payments are made from the general assets of the participating Registrants or, in the case of certain plans acquired in the Merger, from a rabbi trust that is a grantor trust and remains subject to the claims of general creditors under applicable state and federal law.

136

Expenses related to other benefit plans were recorded as follows:

	Year Ended December 31,
	2021						2020						2019
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Postemployment benefits	$	3	$	1	$	2	$	1	$	1	$	—	$	2	$	1	$	1
Deferred compensation plans	3		—		—		4		1		—		4		1		—

Amounts related to other benefit plans were included in Benefit Obligations in the Registrants’ accompanying Consolidated Balance Sheets as follows:

	December 31, 2021						December 31, 2020
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Postemployment benefits	$	8	$	3	$	5	$	8	$	3	$	5
Deferred compensation plans	40		6		3		43		7		2
Split-dollar life insurance arrangements	29		1		—		32		1		—

(j) Change in Control Agreements and Other Employee Matters

CenterPoint Energy has a change in control plan, which was amended and restated on May 1, 2017. The plan generally provides, to the extent applicable, in the case of a change in control of CenterPoint Energy and covered termination of employment, for severance benefits of up to three times annual base salary plus bonus, and other benefits. Certain CenterPoint Energy officers are participants under the plan.

Certain key employees of a subsidiary of Vectren have employment agreements that provide payments and other benefits upon a covered termination of employment.

As of December 31, 2021, the Registrants’ employees were covered by collective bargaining agreements as follows:

		Percentage of Employees Covered
	Agreement Expiration	CenterPoint Energy		Houston Electric		CERC
IBEW Local 66	May 2023	15	%	54	%	—	%
OPEIU Local 12	December 2025	2	%	—	%	3	%
Gas Workers Union Local 340	April 2025	5	%	—	%	12	%
IBEW Locals 1393 and USW Locals 12213 & 7441	December 2023	3	%	—	%	—	%
IBEW Locals 949	December 2025	3	%	—	%	7	%
USW Locals 13-227	June 2022	5	%	—	%	14	%
USW Locals 13-1	July 2022	—	%	—	%	1	%
IBEW Local 702	June 2022	3	%	—	%	—	%
Teamsters Local 135	October 2024	—	%	—	%	—	%
UWUA Local 175	October 2024	1	%	—	%	—	%
Total		37	%	54	%	37	%

Negotiations are currently in progress for the collective bargaining agreements scheduled to expire in 2022 and are expected to be completed before the respective expirations.

Board of Directors Actions. On July 22, 2021, CenterPoint Energy announced the decision of the independent directors of the Board to implement a new independent Board leadership and governance structure and appointed a new independent chair of the Board. To implement this new governance structure, the independent directors of the Board eliminated the Executive Chairman position that was formerly held by Milton Carroll.

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On the approval and recommendation of the Compensation Committee and approval of the Board (acting solely through its independent directors), CenterPoint Energy entered into a separation agreement between CenterPoint Energy and Mr. Carroll, dated July 21, 2021. Under the terms of the separation agreement, Mr. Carroll exited the positions of Executive Chairman on July 21, 2021 and Board member on September 30, 2021. Under the terms of the separation agreement, Mr. Carroll received a lump sum cash payment of $28 million and his separation was treated as an “enhanced retirement” for purposes of his outstanding 2019, 2020 and 2021 equity award agreements.

On the approval and recommendation of the Compensation Committee and approval of the Board (acting solely through its independent directors), CenterPoint Energy has entered into a retention incentive agreement with David J. Lesar, President and Chief Executive Officer of CenterPoint Energy, dated July 20, 2021. For information about the classification of this award, see Note 13.

(9) Derivative Instruments

The Registrants are exposed to various market risks. These risks arise from transactions entered into in the normal course of business. The Registrants utilize derivative instruments such as physical forward contracts, swaps and options to mitigate the impact of changes in commodity prices, weather and interest rates on operating results and cash flows.

(a) Non-Trading Activities

Commodity Derivative Instruments (CenterPoint Energy). CenterPoint Energy, through its Indiana utilities, enter into certain derivative instruments to mitigate the effects of commodity price movements. Outstanding derivative instruments designated as economic hedges at the Indiana Utilities hedge long-term variable rate natural gas purchases. The Indiana utilities have authority to refund and recover mark-to-market gains and losses associated with hedging natural gas purchases, and thus the gains and losses on derivatives are deferred in a regulatory liability or asset. All other financial instruments do not qualify or are not designated as cash flow or fair value hedges.

On February 24, 2020, CenterPoint Energy, through its subsidiary CERC Corp., entered into the Equity Purchase Agreement to sell the Energy Services Disposal Group. The transaction closed on June 1, 2020. As a result, the following disclosures do not include the Energy Services Disposal Group. See Note 4 for further information.

Interest Rate Risk Derivative Instruments. From time to time, the Registrants may enter into interest rate derivatives that are designated as economic or cash flow hedges. The objective of these hedges is to offset risk associated with interest rates borne by the Registrants in connection with an anticipated future fixed rate debt offering or other exposure to variable rate debt. The Indiana Utilities have authority to refund and recover mark-to-market gains and losses associated with hedging financing activity, and thus the gains and losses on derivatives are deferred in a regulatory liability or asset. For the impacts of cash flow hedges to Accumulated other comprehensive income, see Note 13.

The table below summarizes the Registrants’ outstanding interest rate hedging activity:

	December 31, 2021		December 31, 2020
Hedging Classification	Notional Principal
	(in millions)
Economic hedge (1)	$	84	$	84

(1)Relates to interest rate derivative instruments at SIGECO.

Weather Hedges (CenterPoint Energy and CERC). As of December 31, 2021, CenterPoint Energy and CERC had weather normalization or other rate mechanisms that largely mitigate the impact of weather on Natural Gas in Arkansas, Indiana, Louisiana, Mississippi, Minnesota, Ohio and Oklahoma, as applicable. CenterPoint Energy’s and CERC’s Natural Gas in Texas and CenterPoint Energy’s electric operations in Texas and Indiana do not have such mechanisms, although fixed customer charges are historically higher in Texas for Natural Gas compared to its other jurisdictions. As a result, fluctuations from normal weather may have a positive or negative effect on CenterPoint Energy’s and CERC’s Natural Gas’ results in Texas and on CenterPoint Energy’s electric operations’ results in its Texas and Indiana service territories.

CenterPoint Energy and CERC, as applicable, may enter into winter season weather hedges from time to time for certain Natural Gas jurisdictions and electric operations’ service territory to mitigate the effect of fluctuations from normal weather on results of operations and cash flows. These weather hedges are based on heating degree days at 10-year normal weather.

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Houston Electric and Indiana Electric do not enter into weather hedges. CenterPoint Energy and CERC did not enter into any weather hedges during the year ended December 31, 2021.

(b) Derivative Fair Values and Income Statement Impacts (CenterPoint Energy)

The following tables present information about derivative instruments and hedging activities. The first table provides a balance sheet overview of Derivative Assets and Liabilities as of December 31, 2021 and 2020, while the last table provides a breakdown of the related income statement impacts for the years ending December 31, 2021, 2020 and 2019.

Fair Value of Derivative Instruments and Hedged Items (CenterPoint Energy)

		December 31, 2021				December 31, 2020
	Balance Sheet Location	Derivative Assets Fair Value		Derivative Liabilities Fair Value		Derivative Assets Fair Value		Derivative Liabilities Fair Value
		(in millions)
Derivatives not designated as hedging instruments:
Natural gas derivatives (1)	Current Assets: Non-trading derivative assets	$	9	$	—	$	—	$	—
Natural gas derivatives (1)	Other Assets: Non-trading derivative assets	5		—		—		—
Natural gas derivatives (1)	Current Liabilities: Non-trading derivative liabilities	—		—		—		3
Interest rate derivatives	Current Liabilities: Non-trading derivative liabilities	—		2		—		—
Natural gas derivatives (1)	Other Liabilities: Non-trading derivative liabilities	—		—		—		7
Interest rate derivatives	Other Liabilities: Non-trading derivative liabilities	—		12		—		20
Indexed debt securities derivative (2)	Current Liabilities	—		903		—		953
	Total	$	14	$	917	$	—	$	983

(1)Natural gas contracts are subject to master netting arrangements. This netting applies to all undisputed amounts due or past due. However, the mark-to-market fair value of each natural gas contract is in a liability position with no offsetting amount

(2)Derivative component of the ZENS obligation that represents the ZENS holder’s option to receive the appreciated value of the reference shares at maturity. See Note 12 for further information.

Income Statement Impact of Hedge Accounting Activity (CenterPoint Energy)

		Year Ended December 31,
	Income Statement Location	2021		2020		2019
		(in millions)
Effects of derivatives not designated as hedging instruments on the income statement:
Indexed debt securities derivative	Gain (loss) on indexed debt securities	$	50	$	(60)	$	(292)
Total CenterPoint Energy		$	50	$	(60)	$	(292)

(c) Credit Risk Contingent Features (CenterPoint Energy)

Certain of CenterPoint Energy’s derivative instruments contain provisions that require CenterPoint Energy’s debt to maintain an investment grade credit rating on its long-term unsecured unsubordinated debt from S&P and Moody’s. If CenterPoint Energy’s debt were to fall below investment grade, it would be in violation of these provisions, and the counterparties to the derivative instruments could request immediate payment.

	As of December 31,
	2021		2020
	(in millions)
Aggregate fair value of derivatives with credit-risk-related contingent features in a liability position	$	14	$	20
Fair value of collateral already posted	7		7
Additional collateral required to be posted if credit risk contingent features triggered (1)	7		3

(1)The maximum collateral required if further escalating collateral is triggered would equal the net liability position.

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(10) Fair Value Measurements

Assets and liabilities that are recorded at fair value in the Registrants’ Consolidated Balance Sheets are categorized based upon the level of judgment associated with the inputs used to measure their value. Hierarchical levels, as defined below and directly related to the amount of subjectivity associated with the inputs to fair valuations of these assets and liabilities, are as follows:

Level 1: Inputs are unadjusted quoted prices in active markets for identical assets or liabilities at the measurement date. The types of assets carried at Level 1 fair value generally are exchange-traded derivatives and equity securities, as well as natural gas inventory that has been designated as the hedged item in a fair value hedge.

Level 2: Inputs, other than quoted prices included in Level 1, are observable for the asset or liability, either directly or indirectly. Level 2 inputs include quoted prices for similar instruments in active markets, and inputs other than quoted prices that are observable for the asset or liability. Fair value assets and liabilities that are generally included in this category are derivatives with fair values based on inputs from actively quoted markets. A market approach is utilized to value the Registrants’ Level 2 natural gas derivative assets or liabilities. CenterPoint Energy’s Level 2 indexed debt securities derivative is valued using an option model and a discounted cash flow model, which uses projected dividends on the ZENS-Related Securities and a discount rate as observable inputs.

Level 3: Inputs are unobservable for the asset or liability, and include situations where there is little, if any, market activity for the asset or liability. Unobservable inputs reflect the Registrants’ judgments about the assumptions market participants would use in pricing the asset or liability since limited market data exists. The Registrants develop these inputs based on the best information available, including the Registrants’ own data.

The Registrants determine the appropriate level for each financial asset and liability on a quarterly basis and recognize transfers between levels at the end of the reporting period.  

On February 24, 2020, CenterPoint Energy, through its subsidiary CERC Corp., entered into the Equity Purchase Agreement to sell the Energy Services Disposal Group. The transaction closed on June 1, 2020. As a result, the following disclosures do not include the Energy Services Disposal Group. See Note 4 for further information.

The following tables present information about the Registrants’ assets and liabilities (including derivatives that are presented net) measured at fair value on a recurring basis as of December 31, 2021 and December 31, 2020, and indicate the fair value hierarchy of the valuation techniques utilized by the Registrants to determine such fair value.

CenterPoint Energy

	December 31, 2021								December 31, 2020
	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Assets	(in millions)
Equity securities	$	1,439	$	—	$	—	$	1,439	$	873	$	—	$	—	$	873
Investments, including money market funds (1)	42		—		—		42		43		—		—		43
Natural gas derivatives	—		14		—		14		—		—		—		—
Total assets	$	1,481	$	14	$	—	$	1,495	$	916	$	—	$	—	$	916
Liabilities
Indexed debt securities derivative	$	—	$	903	$	—	$	903	$	—	$	953	$	—	$	953
Interest rate derivatives	—		14		—		14		—		20		—		20
Natural gas derivatives	—		—		—		—		—		10		—		10
Total liabilities	$	—	$	917	$	—	$	917	$	—	$	983	$	—	$	983

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Houston Electric

	December 31, 2021								December 31, 2020
	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Assets	(in millions)
Investments, including money market funds (1)	$	27	$	—	$	—	$	27	$	26	$	—	$	—	$	26
Total assets	$	27	$	—	$	—	$	27	$	26	$	—	$	—	$	26

CERC

	December 31, 2021								December 31, 2020
	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Assets	(in millions)
Investments, including money market funds (1)	$	14	$	—	$	—	$	14	$	13	$	—	$	—	$	13
Total assets	$	14	$	—	$	—	$	14	$	13	$	—	$	—	$	13

(1)Amounts are included in Prepaid and Other Current Assets in the respective Consolidated Balance Sheets.

During 2021 and 2020, CenterPoint Energy did not have any assets or liabilities designated as Level 3.

Items Measured at Fair Value on a Nonrecurring Basis

As a result of classifying the Arkansas and Oklahoma Natural Gas businesses as held for sale, including the allocation of goodwill, CenterPoint Energy and CERC used a market approach consisting of the contractual sales price adjusted for estimated working capital and other contractual purchase price adjustments to determine fair value of the businesses classified as held for sale, which are Level 2 inputs. Neither CenterPoint Energy nor CERC recognized any gains or losses upon classification of held for sale during 2021. See Note 4 for further information.

Based on the severity of the decline in the price of Enable Common Units during the three months ended March 31, 2020 primarily due to the macroeconomic conditions related in part to the COVID-19 pandemic, combined with Enable’s announcement on April 1, 2020 to reduce its quarterly distributions per Enable Common Unit by 50%, and the market outlook indicating excess supply and continued depressed crude oil and natural gas prices impacting the midstream oil and gas industry, CenterPoint Energy determined, in connection with its preparation of the financial statements, that an other than temporary decrease in the value of its investment in Enable had occurred. The impairment analysis compared the estimated fair value of CenterPoint Energy’s investment in Enable to its carrying value. The fair value of the investment was determined using multiple valuation methodologies under both the market and income approaches. Both of these approaches incorporate significant estimates and assumptions, including:

Market Approach

• quoted price of Enable Common Units;

• recent market transactions of comparable companies; and

• EBITDA to total enterprise multiples for comparable companies.

Income Approach

• Enable’s forecasted cash distributions;

• projected cash flows of incentive distribution rights;

• forecasted growth rate of Enable’s cash distributions; and

• determination of the cost of equity, including market risk premiums.

Weighting of the Different Approaches

Significant unobservable inputs used include the growth rate applied to the projected cash distributions beyond 2020 and the discount rate used to determine the present value of the estimated future cash flows. Based on the significant unobservable estimates and assumptions required, CenterPoint Energy concluded that the fair value estimate should be classified as a Level 3

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measurement within the fair value hierarchy. As a result of this analysis, CenterPoint Energy recorded an other than temporary impairment on its investment in Enable of $1,541 million during the year ended December 31, 2020, reducing the carrying value of the investment to its estimated fair value of $848 million as of March 31, 2020. See Note 11 for further discussion of the impairment.

During the year ended December 31, 2020, CenterPoint Energy recorded a goodwill impairment charge of $185 million in the Indiana Electric Integrated reporting unit, reducing the carrying value of the reporting unit to its fair value as of March 31, 2020. See Note 6 for further information.

As a result of classifying the Infrastructure Services and Energy Services Disposal Groups as held for sale, CenterPoint Energy and CERC recognized a goodwill impairment and loss on held for sale during the year ended December 31, 2020. CenterPoint Energy and CERC, as applicable, used the contractual sales price adjusted for estimated working capital and other contractual purchase price adjustments to determine fair value, which are Level 2 inputs. Using this market approach, the fair value of the Infrastructure Services Disposal Group as of March 31, 2020 was determined to be approximately $864 million and the fair value of the Energy Services Disposal Group as of March 31, 2020 was determined to be approximately $402 million. The same methodology was applied to estimate the fair value of the Infrastructure Services Disposal Group and Energy Services Disposal Group on the closing date and through the settlement of the net working capital adjustment, resulting in additional gains or losses upon sale during 2020 . See Note 4 for further information.

Estimated Fair Value of Financial Instruments

The fair values of cash and cash equivalents, investments in debt and equity securities classified as “trading” and short-term borrowings are estimated to be approximately equivalent to carrying amounts and have been excluded from the table below. The carrying amounts of non-trading derivative assets and liabilities and CenterPoint Energy’s equity securities, including ZENS related derivative liabilities, are stated at fair value and are excluded from the table below. The fair value of each debt instrument is determined by multiplying the principal amount of each debt instrument by a combination of historical trading prices and comparable issue data. These liabilities, which are not measured at fair value in the Registrants’ Consolidated Balance Sheets, but for which the fair value is disclosed, would be classified as Level 2 in the fair value hierarchy.

	December 31, 2021						December 31, 2020
	CenterPoint Energy (1)		Houston Electric (1)		CERC		CenterPoint Energy (1)		Houston Electric (1)		CERC
Long-term debt, including current maturities	(in millions)
Carrying amount	$	16,086	$	5,495	$	4,380	$	13,401	$	5,019	$	2,428
Fair value	17,385		6,230		4,682		15,226		5,957		2,855

(1)Includes Securitization Bond debt.

(11) Unconsolidated Affiliates (CenterPoint Energy and CERC)

Through its investment in Enable, CenterPoint Energy had the ability to significantly influence the operating and financial policies of Enable, a publicly traded MLP, and, accordingly, accounted for its investment in Enable’s common units using the equity method of accounting. Enable was considered to be a VIE because the power to direct the activities that most significantly impact Enable’s economic performance did not reside with the holders of equity investment at risk. However, CenterPoint Energy was not considered the primary beneficiary of Enable since it did not have the power to direct the activities of Enable that were considered most significant to the economic performance of Enable.

On February 16, 2021, Enable entered into the Enable Merger Agreement. On December 2, 2021, the Enable Merger closed pursuant to the Enable Merger Agreement. At the closing of the Enable Merger, CenterPoint Energy transferred 100% of the Enable Common Units and Enable Series A Preferred Units it owned in exchange for Energy Transfer Common Units and Energy Transfer Series G Preferred Units, respectively. CenterPoint Energy also received $5 million in cash in exchange for its interests in Enable GP. CenterPoint Energy has no continuing ownership interest in Enable after the close of the Enable Merger. See Note 12 for further information. Pursuant to previously disclosed support agreements, CenterPoint Energy and OGE, who collectively owned approximately 79.2% of Enable’s common units, delivered written consents approving the Enable Merger Agreement and, on a non-binding, advisory basis, the compensation that will or may become payable to Enable’s named executive officers in connection with the transactions contemplated by the Enable Merger Agreement. Upon the consummation

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of the transactions contemplated by the Enable Merger Agreement, the agreements relating to Enable between CenterPoint Energy, OGE and Enable and certain of their affiliates terminated, and CenterPoint Energy paid $30 million to OGE.

The proceeds from the Enable Merger Agreement were allocated to each element based on the relative fair value of the interests being sold. Accordingly, CenterPoint Energy realized gains of $680 million and $1 million related to the transfer of its Enable Common Units and Enable Series A Preferred Units, respectively, from the Enable Merger Agreement. The realized gains from CenterPoint Energy’s transferred Enable Common Units and Enable Series A Preferred Units are reflected as discontinued operations and Other Income, respectively, on CenterPoint Energy’s Statements of Consolidated Income.

The carrying value of CenterPoint Energy’s equity method investment in Enable is reflected as held for sale on CenterPoint Energy’s Consolidated Balance Sheet as of December 31, 2020 and equity in earnings (losses) from Enable are reflected as discontinued operations on CenterPoint Energy’s Statements of Consolidated Income. For further information, see Note 4. The Enable Series A Preferred Units are not reflected in the Midstream Investments reportable segment as equity investments without a readily determinable fair value are not included in the scope of discontinued operations.

2020 Impairment in Enable

CenterPoint Energy evaluates its equity method investments, when not reflected as held for sale, for impairment when factors indicate that a decrease in the value of its investment has occurred and the carrying amount of its investment may not be recoverable. An impairment loss, based on the excess of the carrying value over the estimated fair value of the investment, is recognized in earnings when an impairment is deemed to be other than temporary. Considerable judgment is used in determining if an impairment loss is other than temporary and the amount of any impairment. CenterPoint Energy reduced the carrying value of its investment in Enable to its estimated fair value of $848 million as of March 31, 2020 and recognized an impairment charge of $1,541 million during the year ended December 31, 2020. For further information, see Note 10.

Distributions Received from Enable (CenterPoint Energy and CERC):

CenterPoint Energy

	Year Ended December 31,
	2021				2020				2019
	Per Unit		Cash Distribution		Per Unit		Cash Distribution		Per Unit		Cash Distribution
	(in millions, except per unit amounts)
Enable Common Units	$	0.6610	$	155	$	0.8263	$	193	$	1.2970	$	303
Enable Series A Preferred Units (1)	2.2965		34		2.5000		36		2.5000		36
Total			$	189			$	229			$	339

(1)As of December 31, 2020, the Enable Series A Preferred Units annual distribution rate was 10%. On February 18, 2021, five years after the issue date, the Enable Series A Preferred Units annual distribution rate changed to a percentage of the Stated Series A Liquidation Preference per Enable Series A Preferred Unit equal to the sum of (a) Three-Month LIBOR, as calculated on each applicable date of determination, and (b) 8.5%.

Transactions with Enable (CenterPoint Energy and CERC):

The transactions with Enable through December 2, 2021 in the following tables exclude transactions with the Energy Services Disposal Group. See Note 4 for further information.

	CenterPoint Energy and CERC
	Year Ended December 31,
	2021		2020		2019
	(in millions)
Natural gas expenses, including transportation and storage costs (1)	$	85	$	86	$	86

(1)Included in Non-utility costs of revenues, including natural gas on CenterPoint Energy’s and CERC’s respective Statements of Consolidated Income.

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	CenterPoint Energy and CERC
	December 31,
	2020
	(in millions)
Accounts payable for natural gas purchases from Enable	$	9
Accounts receivable for amounts billed for services provided to Enable	1

Summarized consolidated income (loss) information for Enable is as follows:

	Year Ended December 31,
	2021 (1)		2020		2019
	(in millions)
Operating revenues	$	3,466	$	2,463	$	2,960
Cost of sales, excluding depreciation and amortization	1,959		965		1,279
Depreciation and amortization	382		420		433
Goodwill impairment	—		28		86
Operating income	634		465		569
Net income attributable to Enable Common Units	461		52		360
Reconciliation of Equity in Earnings (Losses), net before income taxes:
CenterPoint Energy’s interest	$	248	$	28	$	193
Basis difference amortization (2)	92		87		47
Loss on dilution, net of proportional basis difference recognition	(1)		(2)		(11)
Impairment of CenterPoint Energy’s equity method investment in Enable	—		(1,541)		—
Gain on Enable Merger	680		—		—
CenterPoint Energy’s equity in earnings (losses), net before income taxes (3)	$	1,019	$	(1,428)	$	229

(1)Reflects January 1, 2021 to December 2, 2021 results only due to the closing of the Enable Merger.

(2)Equity in earnings of unconsolidated affiliate includes CenterPoint Energy’s share of Enable earnings adjusted for the amortization of the basis difference of CenterPoint Energy’s original investment in Enable and its underlying equity in net assets of Enable. The basis difference was being amortized through the year 2048 and ceased upon closing of the Enable Merger.

(3)Reported as discontinued operations on CenterPoint Energy’s Statements of Consolidated Income. For further information, see Note 4.

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Summarized consolidated balance sheet information for Enable is as follows:

	December 2,		December 31,
	2021 (1)		2020
	(in millions)
Current assets	$	594	$	381
Non-current assets	11,227		11,348
Current liabilities	1,254		582
Non-current liabilities	3,281		4,052
Non-controlling interest	26		26
Preferred equity	362		362
Accumulated other comprehensive loss	(1)		(6)
Enable partners’ equity	6,899		6,713
Reconciliation of Investment in Enable:
CenterPoint Energy’s ownership interest in Enable partners’ equity	$	3,701	$	3,601
CenterPoint Energy’s basis difference (2)	(2,732)		(2,819)
CenterPoint Energy’s equity method investment in Enable (3)	$	969	$	782

(1)Reflects balances as of the closing of the Enable Merger on December 2, 2021.

(2)Includes the impairment of CenterPoint Energy’s equity method investment in Enable of $1,541 million recorded during the year ended December 31, 2020. The basis difference was being amortized through the year 2048 and ceased upon closing of the Enable Merger.

(3)Reflected in assets held for sale in CenterPoint Energy’s Consolidated Balance Sheet as of December 31, 2020. For further information, see Note 4.

(12) Equity Securities and Indexed Debt Securities (ZENS) (CenterPoint Energy)

(a) Equity Securities

At the closing of the Enable Merger, Energy Transfer acquired 100% of Enable’s outstanding equity interests, resulting in the exchange of 233,856,623 Enable Common Units owned by CenterPoint Energy, at the transaction exchange ratio of 0.8595x Energy Transfer Common Units for each Enable Common Unit, for 200,999,768 Energy Transfer Common Units. CenterPoint Energy also received $5 million in cash in exchange for its interest in Enable GP and 384,780 Energy Transfer Series G Preferred Units with an aggregate liquidation preference of approximately $385 million in exchange for 14,520,000 Enable Series A Preferred Units with a carrying value of $363 million. See Notes 4 and 11 for further information.

CenterPoint Energy’s sales of equity securities during the year ended December 31, 2021 are as follows:

Equity Security/Date Sold	Units Sold	Proceeds (2)
		(in millions)
Energy Transfer Common Units
December 8, 2021 (1)	50,000,000	$	384
December 10, 2021	100,000,000	$	745
Energy Transfer Series G Preferred Units
December 13, 2021	192,390	$	191

(1)Settlement date for a forward sale transaction that CNP Midstream entered into through a Forward Sale Agreement on September 1, 2021 with an investment banking financial institution for 50 million Energy Transfer Common Units CNP Midstream received as consideration in the Enable Merger in exchange for the proceeds of the forward sale transaction.

(2)Proceeds are net of transaction costs.

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Gains and losses on equity securities, net of transaction costs, are recorded as Gain (Loss) on Equity Securities in CenterPoint Energy’s Statements of Consolidated Income.

	Gains (Losses) on Equity Securities
	Year Ended December 31,
	2021		2020		2019
			(in millions)
AT&T Common	$	(43)	$	(105)	$	108
Charter Common	(8)		154		174
Energy Transfer Common Units	(124)		—		—
Energy Transfer Series G Preferred Units	2		—		—
Other	1		—		—
	$	(172)	$	49	$	282

    

CenterPoint Energy recorded unrealized gains (losses) of $(52) million, $49 million, and $282 million for the years ended December 31, 2021, 2020, and 2019, respectively, for equity securities held as of December 31, 2021, 2020, and 2019.

CenterPoint Energy and its subsidiaries hold shares of certain securities detailed in the table below, which are classified as trading securities. Shares of AT&T Common and Charter Common are expected to be held to facilitate CenterPoint Energy’s ability to meet its obligation under the ZENS.

	Shares Held at December 31,		Carrying Value at December 31,
	2021	2020	2021		2020
			(in millions)
AT&T Common	10,212,945	10,212,945	$	251	$	294
Charter Common	872,503	872,503	569		577
Energy Transfer Common Units	50,999,768	—	420		—
Energy Transfer Series G Preferred Units	192,390	—	196		—
Other			3		—
			$	1,439	$	871

(b) ZENS

In September 1999, CenterPoint Energy issued ZENS having an original principal amount of $1.0 billion of which $828 million remained outstanding as of December 31, 2021. Each ZENS is exchangeable at the holder’s option at any time for an amount of cash equal to 95% of the market value of the reference shares attributable to such note. The number and identity of the reference shares attributable to each ZENS are adjusted for certain corporate events.

CenterPoint Energy’s reference shares for each ZENS consisted of the following:

	December 31,
	2021	2020
	(in shares)
AT&T Common	0.7185	0.7185
Charter Common	0.061382	0.061382

CenterPoint Energy pays interest on the ZENS at an annual rate of 2% plus the amount of any quarterly cash dividends paid in respect of the reference shares attributable to the ZENS. The principal amount of the ZENS is subject to increases or decreases to the extent that the annual yield from interest and cash dividends on the reference shares is less than or more than 2.309%. The adjusted principal amount is defined in the ZENS instrument as “contingent principal.” As of December 31, 2021, the ZENS, having an original principal amount of $828 million and a contingent principal amount of $38 million, were outstanding and were exchangeable, at the option of the holders, for cash equal to 95% of the market value of the reference shares attributable to the ZENS. As of December 31, 2021, the market value of such shares was approximately $820 million, which would provide an exchange amount of $941 for each $1,000 original principal amount of ZENS. At maturity of the ZENS in 2029, CenterPoint Energy will be obligated to pay in cash the higher of the contingent principal amount of the ZENS

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or an amount based on the then-current market value of the reference shares, which will include any additional publicly-traded securities distributed with respect to the current reference shares prior to maturity.

The ZENS obligation is bifurcated into a debt component and a derivative component (the holder’s option to receive the appreciated value of the reference shares at maturity). The bifurcated debt component accretes through interest charges annually up to the contingent principal amount of the ZENS in 2029. Such accretion will be reduced by annual cash interest payments, as described above. The derivative component is recorded at fair value and changes in the fair value of the derivative component are recorded in CenterPoint Energy’s Statements of Consolidated Income. Changes in the fair value of the ZENS-Related Securities held by CenterPoint Energy are expected to substantially offset changes in the fair value of the derivative component of the ZENS.

The following table sets forth summarized financial information regarding CenterPoint Energy’s investment in ZENS-Related Securities and each component of CenterPoint Energy’s ZENS obligation. 

	ZENS-Related Securities		Debt Component of ZENS		Derivative Component of ZENS
	(in millions)
Balance as of December 31, 2018	$	540	$	24	$	601
Accretion of debt component of ZENS	—		17		—
2% interest paid	—		(17)		—
Distribution to ZENS holders	—		(5)		—
Loss on indexed debt securities	—		—		292
Gain on ZENS-Related Securities	282		—		—
Balance as of December 31, 2019	822		19		893
Accretion of debt component of ZENS	—		17		—
2% interest paid	—		(16)		—
Distribution to ZENS holders	—		(5)		—
Loss on indexed debt securities	—		—		60
Gain on ZENS-Related Securities	49		—		—
Balance as of December 31, 2020	871		15		953
Accretion of debt component of ZENS	—		17		—
2% interest paid	—		(17)		—
Distribution to ZENS holders	—		(5)		—
Gain on indexed debt securities	—		—		(50)
Loss on ZENS-Related Securities	(51)		—		—
Balance as of December 31, 2021	$	820	$	10	$	903

On May 17, 2021, AT&T announced that it had entered into a definitive agreement with Discovery, Inc. to combine their media assets into a new publicly traded company to be called Warner Bros. Discovery. Pursuant to the definitive agreement, AT&T shareholders are expected to receive an estimated 0.24 shares of Warner Bros. Discovery common stock for each share of AT&T owned, representing 71% of the new company. Upon the closing of the transaction, reference shares attributable to ZENS would consist of AT&T Common, Charter Common and common stock of Warner Bros. Discovery. AT&T announced that the transaction is expected to close in the second quarter of 2022.

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(13) Equity (CenterPoint Energy)

Dividends Declared and Paid (CenterPoint Energy)

CenterPoint Energy declared and paid dividends on its Common Stock during 2021, 2020 and 2019 as presented in the table below:

	Dividends Declared Per Share						Dividends Paid Per Share
	2021		2020 (2)		2019		2021		2020 (2)		2019
Common Stock	$	0.6600	$	0.9000	$	0.8625	$	0.6500	$	0.7400	$	0.8625
Series A Preferred Stock	61.2500		91.8750		30.6250		61.2500		61.2500		30.6250
Series B Preferred Stock	35.0000		87.5000		52.5000		52.5000		70.0000		52.5000
Series C Preferred Stock (1)	—		0.6100		—		0.1600		0.4500		—

(1)The Series C Preferred Stock was entitled to participate in any dividend or distribution (excluding those payable in Common Stock) with the Common Stock on a pari passu, pro rata, as-converted basis. The per share amount reflects the dividend per share of Common Stock as if the Series C Preferred Stock were converted into Common Stock. There were no Series C Preferred Stock outstanding or dividends declared in 2019. All of the outstanding Series C Preferred Stock was converted to Common Stock during 2021 as described below.

(2)On April 1, 2020, in response to the reduction in cash flow related to the reduction in Enable quarterly common unit distributions announced by Enable on April 1, 2020, CenterPoint Energy announced a reduction of its quarterly Common Stock dividend per share from $0.2900 to $0.1500.

Preferred Stock (CenterPoint Energy)

	Liquidation Preference Per Share		Shares Outstanding as of December 31,			Outstanding Value as of December 31,
			2021	2020	2019	2021		2020		2019
	(in millions, except shares and per share amount)
Series A Preferred Stock	$	1,000	800,000	800,000	800,000	$	790	$	790	$	790
Series B Preferred Stock	1,000		—	977,400	977,500	—		950		950
Series C Preferred Stock	1,000		—	625,000	—	—		623		—
			800,000	2,402,400	1,777,500	$	790	$	2,363	$	1,740

Dividend Requirement on Preferred Stock

	Year Ended December 31,
	2021		2020		2019
	(in millions)
Series A Preferred Stock	$	49	$	49	$	49
Series B Preferred Stock	46		68		68
Series C Preferred Stock	—		27		—
Preferred dividend requirement	95		144		117
Amortization of beneficial conversion feature	—		32		—
Total income allocated to preferred shareholders	$	95	$	176	$	117

Series A Preferred Stock

On August 22, 2018, CenterPoint Energy completed the issuance of 800,000 shares of its Series A Preferred Stock, at a price of $1,000 per share, resulting in net proceeds of $790 million after issuance costs. The aggregate liquidation value of the Series A Preferred Stock is $800 million with a per share liquidation value of $1,000.

CenterPoint Energy used the net proceeds from the Series A Preferred Stock offering to fund a portion of the Merger and to pay related fees and expenses.

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Dividends. The Series A Preferred Stock accrue cumulative dividends, calculated as a percentage of the stated amount per share, at a fixed annual rate of 6.125% per annum to, but excluding, September 1, 2023, and at an annual rate of three-month LIBOR plus a spread of 3.270% thereafter to be paid in cash if, when and as declared. If declared, prior to September 1, 2023, dividends are payable semi-annually in arrears on each March 1 and September 1, beginning on March 1, 2019, and, for the period commencing on September 1, 2023, dividends are payable quarterly in arrears each March 1, June 1, September 1 and December 1, beginning on December 1, 2023. Cumulative dividends earned during the applicable periods are presented on CenterPoint Energy’s Statements of Consolidated Income as Preferred stock dividend requirement.

Optional Redemption. On or after September 1, 2023, CenterPoint Energy may, at its option, redeem the Series A Preferred Stock, in whole or in part, at any time or from time to time, for cash at a redemption price of $1,000 per share, plus any accumulated and unpaid dividends thereon to, but excluding, the redemption date.

At any time within 120 days after the conclusion of any review or appeal process instituted by CenterPoint Energy, if any, following the occurrence of a ratings event, CenterPoint Energy may, at its option, redeem the Series A Preferred Stock in whole, but not in part, at a redemption price in cash per share equal to $1,020 (102% of the liquidation value of $1,000) plus an amount equal to all accumulated and unpaid dividends thereon to, but excluding, the redemption date, whether or not declared.

Ranking. The Series A Preferred Stock, with respect to anticipated dividends and distributions upon CenterPoint Energy’s liquidation or dissolution, or winding-up of CenterPoint Energy’s affairs, ranks or will rank:

•senior to Common Stock and to each other class or series of capital stock established after the initial issue date of the Series A Preferred Stock that is expressly made subordinated to the Series A Preferred Stock;

•on a parity with any class or series of capital stock established after the initial issue date of the Series A Preferred Stock that is not expressly made senior or subordinated to the Series A Preferred Stock;

•junior to any class or series of capital stock established after the initial issue date of the Series A Preferred Stock that is expressly made senior to the Series A Preferred Stock;

•junior to all existing and future indebtedness (including indebtedness outstanding under CenterPoint Energy’s credit facilities, senior notes and commercial paper) and other liabilities with respect to assets available to satisfy claims against CenterPoint Energy; and

•structurally subordinated to any existing and future indebtedness and other liabilities of CenterPoint Energy’s subsidiaries and capital stock of CenterPoint Energy’s subsidiaries held by third parties.

Voting Rights. Holders of the Series A Preferred Stock generally will not have voting rights. Whenever dividends on shares of Series A Preferred Stock have not been declared and paid for the equivalent of three or more semi-annual or six or more quarterly dividend periods (including, for the avoidance of doubt, the dividend period beginning on, and including, the original issue date and ending on, but excluding, March 1, 2019), whether or not consecutive, the holders of such shares of Series A Preferred Stock, voting together as a single class with holders of any and all other series of voting preferred stock (as defined in the Statement of Resolution for the Series A Preferred Stock) then outstanding, will be entitled at CenterPoint Energy’s next annual or special meeting of shareholders to vote for the election of a total of two additional members of CenterPoint Energy’s Board of Directors, subject to certain limitations. This right will terminate if and when all accumulated dividends have been paid in full and, upon such termination, the term of office of each director so elected will terminate at such time and the number of directors on CenterPoint Energy’s Board of Directors will automatically decrease by two, subject to the revesting of such rights in the event of each subsequent nonpayment.

Series B Preferred Stock

On October 1, 2018, CenterPoint Energy completed the issuance of 19,550,000 depositary shares, each representing a 1/20th interest in a share of its Series B Preferred Stock, at a price of $50 per depositary share, resulting in net proceeds of $950 million after issuance costs. The aggregate liquidation value of Series B Preferred Stock is $978 million with a per share liquidation value of $1,000. The amount issued included 2,550,000 depositary shares issued pursuant to the exercise in full of the option granted to the underwriters to purchase additional depositary shares.

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Dividends. Dividends on the Series B Preferred Stock were payable on a cumulative basis when, as and if declared at an annual rate of 7.00% on the liquidation value of $1,000 per share. CenterPoint Energy paid declared dividends in cash or, subject to certain limitations, in shares of Common Stock, or in any combination of cash and shares of Common Stock on March 1, June 1, September 1 and December 1 of each year, commencing on December 1, 2018 and ending on, and including, September 1, 2021. Cumulative dividends earned during the applicable periods were presented on CenterPoint Energy’s Statements of Consolidated Income as Preferred stock dividend requirement.

Mandatory Conversion. Each remaining outstanding share of the Series B Preferred Stock was converted on the mandatory conversion date, September 1, 2021, into 36.7677 shares of Common Stock. The conversion rate was determined based on a preceding 20-day volume-weighted-average-price of Common Stock.

Conversion of Series B Preferred Stock. During 2021, 977,400 shares of Series B Preferred Stock were converted into 35,921,441 shares of Common Stock. As of December 31, 2021, all shares of Series B Preferred Stock have been converted into shares of Common Stock.

Series C Preferred Stock Private Placement (CenterPoint Energy)

On May 6, 2020, CenterPoint Energy entered into agreements for the private placement of 725,000 shares of its Series C Preferred Stock, at a price of $1,000 share, resulting in net proceeds of $724 million after issuance costs.

The Series C Preferred Stock was entitled to participate in any dividend or distribution (excluding those payable in Common Stock) with the Common Stock on a pari passu, pro rata, as-converted basis.

Each remaining outstanding share of the Series C Preferred Stock was converted on May 7, 2021 into the number of Common Stock equal to the quotient of $1,000 divided by the prevailing conversion price, which was $15.31.

Conversion of Series C Preferred Stock. During 2021, 625,000 shares of Series C Preferred Stock were converted into 40,822,990 shares of Common Stock. As of December 31, 2021, all shares of Series C Preferred Stock have been converted into shares of Common Stock.

Common Stock Private Placement (CenterPoint Energy)

On May 6, 2020, CenterPoint Energy entered into agreements for the private placement of 41,977,612 shares of its Common Stock, at a price of $16.08 share, resulting in net proceeds of $673 million after issuance costs. On June 1, 2020, CenterPoint Energy filed a shelf registration statement with the SEC registering these 41,977,612 shares of Common Stock.

Temporary Equity (CenterPoint Energy)

On the approval and recommendation of the Compensation Committee and approval of the Board (acting solely through its independent directors), CenterPoint Energy entered into a retention incentive agreement with David J. Lesar, President and Chief Executive Officer of CenterPoint Energy, dated July 20, 2021. Under the terms of the retention incentive agreement, Mr. Lesar will receive equity-based awards under CenterPoint Energy’s LTIP covering a total of 1 million shares of Common Stock (Total Stock Award) to be granted in multiple annual awards. In July 2021, 400 thousand restricted stock unit awards were awarded to Mr. Lesar that will vest in December 2022. Restricted stock unit awards covering the remaining 600 thousand shares will be awarded to Mr. Lesar in February 2022 and February 2023, in each case covering the remainder of the Total Stock Award not previously awarded or such lesser number of restricted stock units as may be permitted under the annual individual award limitations under the CenterPoint Energy’s LTIP and vesting in December 2023. These awards will also fully vest upon death, disability, termination without cause, or resignation for good reason, as defined in the award agreements, that occurs prior to the vesting date. In the event any shares under the Total Stock Award remain unawarded, in February 2024, a fully vested stock bonus award of the remaining shares will be granted. For accounting purposes, the 1 million shares under the Total Stock Award, consisting of both the awarded and unawarded equity-based awards described above, were considered granted in July 2021. In the event of death, disability, termination without cause or resignation for good reason, as defined in the retention incentive agreement, that occurs prior to the full Total Stock Award being awarded, CenterPoint Energy will pay a lump sum cash payment equal to the value of the unawarded equity-based awards, based on the closing trading price of Common Stock on the date of the event’s occurrence. Because the unawarded equity-based awards are redeemable for cash upon events that are not probable at the grant date, the equity associated with the unawarded equity-based awards will be classified as Temporary Equity on CenterPoint Energy’s Consolidated Balance Sheets.

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Undistributed Retained Earnings

As of December 31, 2021 and 2020, CenterPoint Energy’s consolidated retained earnings balance included no undistributed earnings from Enable.

Accumulated Other Comprehensive Income (Loss)

Changes in accumulated comprehensive income (loss) are as follows:

	Year Ended December 31,
	2021						2020
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Beginning Balance	$	(90)	$	—	$	10	$	(98)	$	(15)	$	10
Other comprehensive income (loss) before reclassifications:
Remeasurement of pension and other postretirement plans	16		—		—		(12)		—		—
Other comprehensive income (loss) from unconsolidated affiliates	3		—		—		(2)		—		—
Amounts reclassified from accumulated other comprehensive loss:
Prior service cost (1)	1		—		1		—		—		1
Actuarial losses (1)	7		—		—		7		—		—
Settlement (2)	4		—		—		—		—		—
Reclassification of deferred loss from cash flow hedges realized in net income	2		—		—		—		—		—
Reclassification of deferred loss from cash flow hedges to regulatory assets (3)	—		—		—		19		19		—
Tax benefit (expense)	(7)		—		(1)		(4)		(4)		(1)
Net current period other comprehensive income (loss)	26		—		—		8		15		—
Ending Balance	$	(64)	$	—	$	10	$	(90)	$	—	$	10

(1)Amounts are included in the computation of net periodic cost and are reflected in Other, net in each of the Registrants’ respective Statements of Consolidated Income.

(2)Amounts presented represent a one-time, non-cash settlement cost (benefit), prior to regulatory deferrals, which are required when the total lump sum distributions or other settlements of plan benefit obligations during a plan year exceed the service cost and interest cost components of the net periodic cost for that year. Amounts presented in the table above are included in Other income (expense), net in CenterPoint Energy’s Statements of Consolidated Income, net of regulatory deferrals.

(3)The cost of debt approved by the PUCT as part of Houston Electric’s Stipulation and Settlement Agreement included unrealized gains and losses on interest rate hedges. Accordingly, deferred gains and losses on interest rate hedges were reclassified to regulatory assets or liabilities, as appropriate.

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(14) Short-term Borrowings and Long-term Debt

	December 31, 2021				December 31, 2020
	Long-Term		Current (1)		Long-Term		Current (1)
	(in millions)
CenterPoint Energy:
ZENS due 2029 (2)	$	—	$	10	$	—	$	15
CenterPoint Energy senior notes 0.68% to 4.25% due 2024 to 2049	3,650		—		2,700		500
CenterPoint Energy variable rate term loan 0.865% due 2021	—		—		—		700
CenterPoint Energy pollution control bonds 5.125% due 2028 (3)	68		—		68		—
CenterPoint Energy commercial paper (4) (5)	1,400		—		1,078		—
VUHI senior notes 3.72% to 6.10% due 2023 to 2045 (6)	377		—		377		55
VUHI commercial paper (4) (5)	350		—		92		—
IGC senior notes 6.34% to 7.08% due 2025 to 2029	96		—		96		—
SIGECO first mortgage bonds 0.820% to 6.72% due 2022 to 2055 (7)	288		5		293		—
Other debt	4		3		6		12
Unamortized debt issuance costs	(23)		—		(17)		—
Unamortized discount and premium, net	(7)		—		(6)		—
Houston Electric debt (see details below)	4,975		520		4,406		613
CERC debt (see details below)	4,380		7		2,428		24
Total CenterPoint Energy debt	$	15,558	$	545	$	11,521	$	1,919

Houston Electric:
First mortgage bonds 9.15% due 2021	$	—	$	—	$	—	$	102
General mortgage bonds 2.25% to 6.95% due 2022 to 2051	4,712		300		3,912		300
Restoration Bond Company:
System restoration bonds 4.243% due 2022	—		70		69		66
Bond Company IV:
Transition bonds 3.028% due 2024	317		150		467		145
Unamortized debt issuance costs	(36)		—		(28)		—
Unamortized discount and premium, net	(18)		—		(14)		—
Total Houston Electric debt	$	4,975	$	520	$	4,406	$	613

CERC (8):
Short-term borrowings:
Inventory financing (9)	$	—	$	7	$	—	$	24
Total CERC short-term borrowings	—		7		—		24
Long-term debt:
Senior notes 0.62% to 6.625% due 2023 to 2047	$	3,500	$	—	$	2,100	$	—
Commercial paper (4) (5)	899		—		347		—
Unamortized debt issuance costs	(15)		—		(15)		—
Unamortized discount and premium, net	(4)		—		(4)		—
Total CERC long-term debt	4,380		—		2,428		—
Total CERC debt	$	4,380	$	7	$	2,428	$	24

(1)Includes amounts due or exchangeable within one year of the date noted.

(2)CenterPoint Energy’s ZENS obligation is bifurcated into a debt component and an embedded derivative component. For additional information regarding ZENS, see Note 12(b). As ZENS are exchangeable for cash at any time at the option of the holders, these notes are classified as a current portion of long-term debt.

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(3)These pollution control bonds were secured by general mortgage bonds of Houston Electric as of December 31, 2021 and 2020 and are not reflected in Houston Electric’s consolidated financial statements because of the contingent nature of the obligations.

(4)Classified as long-term debt because the termination date of the facility that backstops the commercial paper is more than one year from the date noted.

(5)Commercial paper issued by CenterPoint Energy, CERC Corp. and VUHI has maturities up to 60 days, 30 days, and 30 days, respectively, and are backstopped by the respective issuer’s long-term revolving credit facility.

(6)The senior notes issued by VUHI are guaranteed by SIGECO, Indiana Gas and VEDO.

(7)The first mortgage bonds issued by SIGECO subject SIGECO’s properties to a lien under the related mortgage indenture as further discussed below.

(8)Issued by CERC Corp.

(9)Represents AMA transactions accounted for as an inventory financing. Outstanding obligations related to third-party AMAs associated with utility distribution service in Arkansas and Oklahoma of $36 million as of December 31, 2021 are reflected in current liabilities held for sale on CenterPoint Energy’s and CERC’s Condensed Consolidated Balance Sheets. For further information about AMAs, see Notes 4 and 16.

Long-term Debt

Debt Transactions. During 2021, the following debt instruments were issued or incurred:

Registrant	Issuance Date	Debt Instrument	Aggregate Principal Amount		Interest Rate	Maturity Date
		(in millions)
CERC	March 2021	Senior Notes	$	700	0.70%	2023
CERC	March 2021	Floating Rate Senior Notes	1,000		Three-month LIBOR plus 0.5%	2023
		Total CERC(1)	1,700
Houston Electric	March 2021	General Mortgage Bonds	400		2.35%	2031
Houston Electric	March 2021	General Mortgage Bonds	700		3.35%	2051
		Total Houston Electric (2)	1,100
CenterPoint Energy	May 2021	Senior Notes	500		1.45%	2026
CenterPoint Energy	May 2021	Senior Notes	500		2.65%	2031
CenterPoint Energy	May 2021	Floating Rate Senior Notes	700		SOFR plus 0.65%	2024
		Total CenterPoint Energy (3)	$	4,500

(1)In February 2021, CERC Corp. received financing commitments totaling $1.7 billion on a 364-day term loan facility to bridge any working capital needs related to the February 2021 Winter Storm Event. Total proceeds of the senior notes and floating rate senior note offerings, net of issuance expenses and fees, of approximately $1.69 billion were used for general corporate purposes, including to fund working capital. Upon the consummation of its senior notes offerings, in March 2021, CERC Corp. terminated all of the commitments for the 364-day term loan facility.

(2)Total proceeds, net of issuance expenses and fees, of approximately $1.08 billion were used for general limited liability company purposes, including capital expenditures and the repayment of outstanding debt discussed below and Houston Electric’s borrowings under the CenterPoint Energy money pool.

(3)Total proceeds, net of issuance expenses and fees, of approximately $1.69 billion, excluding amounts issued by Houston Electric and CERC, were used for general corporate purposes, including the repayment of outstanding debt discussed below and a portion of CenterPoint Energy’s outstanding commercial paper.

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Debt Repayments and Redemptions. During 2021, the following debt instruments were repaid at maturity or redeemed, excluding scheduled principal payments of $211 million on the Securitization bonds:

Registrant	Repayment/Redemption Date	Debt Instrument	Aggregate Principal		Interest Rate	Maturity Date
			(in millions)
CERC (1)	December 2021	Senior Notes	$	300	3.55%	2023
		Total CERC	300
Houston Electric	March 2021	First Mortgage Bonds	102		9.15%	2021
Houston Electric (2)	May 2021	General Mortgage Bonds	300		1.85%	2021
		Total Houston Electric	402
CenterPoint Energy (3)	January 2021	Senior Notes	250		3.85%	2021
CenterPoint Energy (4)	May 2021	Term Loan	700		0.76%	2021
CenterPoint Energy (5)	June 2021	Senior Notes	500		3.60%	2021
CenterPoint Energy	November 2021	Senior Notes	55		4.67%	2021
CenterPoint Energy (6)	December 2021	Senior Notes	500		2.50%	2022
		Total CenterPoint Energy	$	2,707

(1)In December 2021, CERC provided notice of redemption and on December 30, 2021, CERC redeemed all of the outstanding senior notes of the series at a redemption price equal to 100% of the principal amount, plus accrued and unpaid interest and an applicable make-whole premium.

(2)In April 2021, Houston Electric provided notice of redemption and on May 1, 2021, Houston Electric redeemed all of the outstanding bonds of the series at a redemption price equal to 100% of the principal amount, plus accrued and unpaid interest.

(3)In December 2020, CenterPoint Energy provided notice of redemption of a portion of its outstanding $500 million aggregate principal amount of the series and on January 15, 2021, CenterPoint Energy redeemed $250 million aggregate principal amount of the series at a redemption price equal to 100% of the principal amount redeemed, plus accrued and unpaid interest and an applicable make-whole premium.

(4)In April 2021, CenterPoint Energy amended its existing term loan agreement by extending its maturity from May 15, 2021 to June 14, 2021. The outstanding LIBOR rate loan balance was prepaid in full at a price equal to 100% of the principal amount, plus accrued and unpaid interest, which was calculated based on the interest rate at maturity.

(5)In May 2021, CenterPoint Energy provided notice of redemption and on June 1, 2021, CenterPoint Energy redeemed all of the outstanding senior notes of the series at a redemption price equal to 100% of the principal amount, plus accrued and unpaid interest and an applicable make-whole premium.

(6)In December 2021, CenterPoint Energy provided notice of redemption and on December 30, 2021, CenterPoint Energy redeemed all of the outstanding senior notes of the series at a redemption price equal to 100% of the principal amount, plus accrued and unpaid interest and an applicable make-whole premium.

CenterPoint Energy and CERC recorded losses on early extinguishment of debt, including make-whole premiums and recognition of deferred debt related costs, in Interest expense and other finance charges on their respective Statements of Consolidated Income, of $53 million and $11 million, respectively, during the year ended December 31, 2021, and $2 million at both for the year ended December 31, 2020. No losses on early extinguishment of debt were recorded during the year ended December 31, 2019.

On January 14, 2022, CERC Corp. provided notice of redemption and on January 31, 2022, CERC Corp. redeemed $425 million aggregate principal amount of CERC’s outstanding Floating Rate Senior Notes due 2023 at a redemption price equal to 100% of the principal amount of the senior notes to be redeemed plus accrued and unpaid interest thereon, if any, to, but excluding, the redemption date.

Securitization Bonds. As of December 31, 2021, CenterPoint Energy and Houston Electric had special purpose subsidiaries consisting of the Bond Companies, which they consolidate. The consolidated special purpose subsidiaries are wholly-owned, bankruptcy remote entities that were formed solely for the purpose of purchasing and owning transition or system restoration property through the issuance of transition bonds or system restoration bonds and activities incidental thereto. These Securitization Bonds are payable only through the imposition and collection of “transition” or “system restoration” charges, as defined in the Texas Public Utility Regulatory Act, which are irrevocable, non-bypassable charges to

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provide recovery of authorized qualified costs. CenterPoint Energy and Houston Electric have no payment obligations in respect of the Securitization Bonds other than to remit the applicable transition or system restoration charges they collect as set forth in servicing agreements among Houston Electric, the Bond Companies and other parties. Each special purpose entity is the sole owner of the right to impose, collect and receive the applicable transition or system restoration charges securing the bonds issued by that entity. Creditors of CenterPoint Energy or Houston Electric have no recourse to any assets or revenues of the Bond Companies (including the transition and system restoration charges), and the holders of Securitization Bonds have no recourse to the assets or revenues of CenterPoint Energy or Houston Electric.

Credit Facilities. In February 2021, each of CenterPoint Energy, Houston Electric, CERC Corp. and VUHI replaced their existing revolving credit facilities with new amended and restated credit facilities. The size of the CenterPoint Energy facility decreased from $3.3 billion to $2.4 billion, while the sizes of the Houston Electric, CERC Corp. and VUHI facilities remained unchanged.

The Registrants had the following revolving credit facilities as of December 31, 2021:

Execution  Date	Registrant	Size of Facility		Draw Rate of LIBOR plus (1)	Financial Covenant Limit on Debt for Borrowed Money to Capital Ratio		Debt for Borrowed Money to Capital Ratio as of December 31, 2021 (2)	Termination  Date
		(in millions)
February 4, 2021	CenterPoint Energy	$	2,400	1.625%	65%	(3)	61.8%	February 4, 2024
February 4, 2021	CenterPoint Energy (4)	400		1.250%	65%		48.9%	February 4, 2024
February 4, 2021	Houston Electric	300		1.375%	67.5%	(3)	56.2%	February 4, 2024
February 4, 2021	CERC	900		1.250%	65%		60.6%	February 4, 2024
	Total	$	4,000

(1)Based on credit ratings as of December 31, 2021.

(2)As defined in the revolving credit facility agreement, excluding Securitization Bonds.

(3)For CenterPoint Energy and Houston Electric, the financial covenant limit will temporarily increase to 70% if Houston Electric experiences damage from a natural disaster in its service territory and CenterPoint Energy certifies to the administrative agent that Houston Electric has incurred system restoration costs reasonably likely to exceed $100 million in a consecutive 12-month period, all or part of which Houston Electric intends to seek to recover through securitization financing. Such temporary increase in the financial covenant would be in effect from the date CenterPoint Energy delivers its certification until the earliest to occur of (i) the completion of the securitization financing, (ii) the first anniversary of CenterPoint Energy’s certification or (iii) the revocation of such certification.

(4)This credit facility was issued by VUHI, is guaranteed by SIGECO, Indiana Gas and VEDO and includes a $20 million letter of credit sublimit. This credit facility backstops VUHI’s commercial paper program.

The Registrants, as well as the subsidiaries of CenterPoint Energy discussed above, were in compliance with all financial debt covenants as of December 31, 2021.

As of December 31, 2021 and 2020, the Registrants had the following revolving credit facilities and utilization of such facilities:

	December 31, 2021								December 31, 2020
Registrant	Loans		Letters of Credit		Commercial Paper		Weighted Average Interest Rate		Loans		Letters of Credit		Commercial Paper		Weighted Average Interest Rate
	(in millions, except weighted average interest rate)
CenterPoint Energy (1)	$	—	$	11	$	1,400	0.34	%	$	—	$	11	$	1,078	0.23	%
CenterPoint Energy (2)	—		—		350		0.21	%	—		—		92		0.22	%
Houston Electric	—		—		—		—	%	—		—		—		—	%
CERC	—		—		899		0.26	%	—		—		347		0.23	%
Total	$	—	$	11	$	2,649			$	—	$	11	$	1,517

(1)CenterPoint Energy’s outstanding commercial paper generally has maturities of 60 days or less.

(2)This credit facility was issued by VUHI and is guaranteed by SIGECO, Indiana Gas and VEDO.

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Maturities. As of December 31, 2021, maturities of long-term debt, excluding the ZENS obligation and unamortized discounts, premiums and issuance costs, were as follows:

	CenterPoint Energy (1)		Houston  Electric (1)		CERC		Securitization Bonds
	(in millions)
2022	$	524	$	520	$	—	$	220
2023	2,113		356		1,700		156
2024	4,283		161		899		161
2025	51		—		—		—
2026	860		300		—		—

(1)These maturities include Securitization Bonds principal repayments on scheduled payment dates.

Liens. As of December 31, 2021, Houston Electric’s assets were subject to liens securing approximately $4.8 billion of general mortgage bonds outstanding under the General Mortgage, including approximately $68 million held in trust to secure pollution control bonds that mature in 2028 for which CenterPoint Energy is obligated. The general mortgage bonds that are held in trust to secure pollution control bonds are not reflected in Houston Electric’s consolidated financial statements because of the contingent nature of the obligations. Houston Electric may issue additional general mortgage bonds on the basis of retired bonds, 70% of property additions or cash deposited with the trustee. Houston Electric could issue approximately $4.6 billion of additional general mortgage bonds on the basis of retired bonds and 70% of property additions as of December 31, 2021.  No first mortgage bonds are outstanding under the Mortgage, and Houston Electric is contractually obligated to not issue any additional first mortgage bonds under the Mortgage and is undertaking actions to release the lien of the Mortgage.

As of December 31, 2021, SIGECO had approximately $293 million aggregate principal amount of first mortgage bonds outstanding. Generally, of SIGECO’s real and tangible property is subject to the lien of SIGECO’s mortgage indenture. SIGECO may issue additional bonds under its mortgage indenture up to 60% of currently unfunded property additions. As of December 31, 2021, approximately $1.4 billion of additional first mortgage bonds could be issued on this basis. However, SIGECO is also limited in its ability to issue additional bonds under its mortgage indenture due to certain provisions in its parent’s, VUHI, debt agreements.

Other. As of December 31, 2021, certain financial institutions agreed to issue, from time to time, up to $20 million of letters of credit on behalf of certain of Vectren’s subsidiaries in exchange for customary fees. These agreements to issue letters of credit expire on December 31, 2021. As of December 31, 2021, such financial institutions had issued $1 million of letters of credit on behalf of these subsidiaries. 

Houston Electric and CERC participate in a money pool through which they can borrow or invest on a short-term basis. For additional information, see Note 20.

(15) Income Taxes

The components of the Registrant’s income tax expense (benefit) were as follows:

	Year Ended December 31,
	2021		2020		2019
	(in millions)
CenterPoint Energy - Continuing Operations
Current income tax expense (benefit):
Federal	$	—	$	(36)	$	(6)
State	(28)		32		13
Total current expense (benefit)	(28)		(4)		7
Deferred income tax expense (benefit):
Federal	78		63		48
State	60		21		(25)
Total deferred expense	138		84		23
Total income tax expense	$	110	$	80	$	30

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	Year Ended December 31,
	2021		2020		2019
	(in millions)
CenterPoint Energy - Discontinued Operations
Current income tax expense:
Federal	$	91	$	152	$	54
State	35		28		8
Total current expense	126		180		62
Deferred income tax expense (benefit):
Federal	127		(422)		26
State	(52)		(91)		20
Total deferred expense (benefit)	75		(513)		46
Total income tax expense (benefit)	$	201	$	(333)	$	108
Houston Electric
Current income tax expense:
Federal	$	22	$	76	$	84
State	22		19		20
Total current expense	44		95		104
Deferred income tax expense (benefit):
Federal	31		(42)		(24)
State	1		—		—
Total deferred expense (benefit)	32		(42)		(24)
Total income tax expense	$	76	$	53	$	80
CERC - Continuing Operations
Current income tax expense (benefit):
State	$	(26)	$	4	$	5
Total current expense (benefit)	(26)		4		5
Deferred income tax expense (benefit):
Federal	49		26		26
State	28		67		(34)
Total deferred expense (benefit)	77		93		(8)
Total income tax expense (benefit)	$	51	$	97	$	(3)
CERC - Discontinued Operations
Current income tax expense:
State	—		—		2
Total current expense	—		—		2
Deferred income tax expense (benefit):
Federal	—		—		13
State	—		(2)		2
Total deferred expense (benefit)	—		(2)		15
Total income tax expense (benefit)	$	—	$	(2)	$	17

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A reconciliation of income tax expense (benefit) using the federal statutory income tax rate to the actual income tax expense and resulting effective income tax rate is as follows:

	Year Ended December 31,
	2021			2020			2019
	(in millions)
CenterPoint Energy - Continuing Operations (1) (2) (3)
Income before income taxes	$	778		$	563		$	545
Federal statutory income tax rate	21		%	21		%	21		%
Expected federal income tax expense	163			118			114
Increase (decrease) in tax expense resulting from:
State income tax expense, net of federal income tax	63			40			27
State valuation allowance, net of federal income tax	(15)			1			(4)
State law change, net of federal income tax	(23)			—			(33)
Excess deferred income tax amortization	(75)			(76)			(55)
Goodwill impairment	—			39			—
Net operating loss carryback	—			(37)			—
Other, net	(3)			(5)			(19)
Total	(53)			(38)			(84)
Total income tax expense	$	110		$	80		$	30
Effective tax rate	14		%	14		%	6		%
CenterPoint Energy - Discontinued Operations (4)(5) (6)
Income (loss) before income taxes	$	1,019		$	(1,589)		$	384
Federal statutory income tax rate	21		%	21		%	21		%
Expected federal income tax expense (benefit)	214			(334)			81
Increase (decrease) in tax expense resulting from:
State income tax expense, net of federal income tax	14			(60)			9
State law change, net of federal income tax	(27)			—			12
Goodwill impairment	—			25			8
Tax impact of sale of Energy Services and Infrastructure Services Disposal Groups	—			30			—
Other, net	—			6			(2)
Total	(13)			1			27
Total income tax expense (benefit)	$	201		$	(333)		$	108
Effective tax rate	20		%	21		%	28		%
Houston Electric (7) (8) (9)
Income before income taxes	$	457		$	387		$	436
Federal statutory income tax rate	21		%	21		%	21		%
Expected federal income tax expense	96			81			92
Increase (decrease) in tax expense resulting from:
State income tax expense, net of federal income tax	18			15			16
Excess deferred income tax amortization	(41)			(42)			(21)
Other, net	3			(1)			(7)
Total	(20)			(28)			(12)
Total income tax expense	$	76		$	53		$	80
Effective tax rate	17		%	14		%	18		%

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	Year Ended December 31,
	2021			2020			2019
	(in millions)
CERC - Continuing Operations (10) (11) (12)
Income before income taxes	$	305		$	244		$	186
Federal statutory income tax rate	21		%	21		%	21		%
Expected federal income tax expense	64			51			39
Increase (decrease) in tax expense resulting from:
State income tax expense, net of federal income tax	33			55			(15)
State law change, net of federal income tax	(15)			—			(4)
State valuation allowance, net of federal income tax	(15)			1			(4)
Excess deferred income tax amortization	(16)			(16)			(18)
Other, net	—			6			(1)
Total	(13)			46			(42)
Total income tax expense (benefit)	$	51		$	97		$	(3)
Effective tax rate	17		%	40		%	(2)		%
CERC - Discontinued Operations (13) (14)
Income (loss) before income taxes	$	—		$	(68)		$	40
Federal statutory income tax rate	—		%	21		%	21		%
Expected federal income tax expense (benefit)	—			(14)			8
Increase in tax expense resulting from:
State income tax expense, net of federal income tax	—			(2)			3
Goodwill impairment	—			10			8
Other, net	—			4			(2)
Total	—			12			9
Total income tax expense (benefit)	$	—		$	(2)		$	17
Effective tax rate	—		%	3		%	43		%

(1)Recognized a $75 million benefit for the amortization of the net regulatory EDIT liability as decreed by regulators in certain jurisdictions, a $23 million benefit for the impact of state law changes that resulted in the remeasurement of state deferred taxes in those jurisdictions, and a $15 million benefit for the impact of a change in the NOL carryforward period in Louisiana from 20 years to an indefinite period allowing for the release of the valuation allowance on certain Louisiana NOLs.

(2)Recognized a $76 million benefit for the amortization of the net regulatory EDIT liability as decreed by regulators in certain jurisdictions, a $39 million deferred tax expense for the non-deductible portion of the goodwill impairment on SIGECO, and a $37 million benefit for the NOL carryback claim allowed by the CARES Act.

(3)Recognized a $55 million benefit for the amortization of the net regulatory EDIT liability as decreed by regulators in certain jurisdictions, a $33 million net benefit for the impact of state law changes that resulted in the remeasurement of state deferred taxes in those jurisdictions, and a $4 million net benefit for the reduction in valuation allowances on certain state NOLs that are now expected to be realized.

(4)Recognized a $27 million benefit for the impact of state law changes that resulted in the remeasurement of state deferred taxes in those jurisdictions.

(5)Recognized a $25 million deferred tax expense for the non-deductible portion of the goodwill impairment on both the Energy Services and Infrastructure Services Disposal Groups. Also, recognized a $30 million net tax expense on both the sale of the Energy Services and Infrastructure Services Disposal Groups.

(6)Recognized a $12 million deferred tax expense for the impact of state law changes that resulted in the remeasurement of state deferred taxes in those jurisdictions, and an $8 million deferred tax expense for the non-deductible portion of the goodwill impairment on the Energy Services Disposal Group.

(7)Recognized a $41 million benefit for the amortization of the net regulatory EDIT liability as decreed by regulators in certain jurisdictions.

(8)Recognized a $42 million benefit for the amortization of the net regulatory EDIT liability as decreed by regulators in certain jurisdictions.

(9)Recognized a $21 million benefit for the amortization of the net regulatory EDIT liability as decreed by regulators in certain jurisdictions.

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(10)Recognized a $15 million benefit for the impact of state law changes that resulted in the remeasurement of state deferred taxes in those jurisdictions, a $16 million benefit for the amortization of the net regulatory EDIT liability as decreed by regulators in certain jurisdictions, and a $15 million benefit for the impact of a change in the NOL carryforward period in Louisiana from 20 years to an indefinite period allowing for the release of the valuation allowance on certain Louisiana NOLs.

(11)Recognized a $16 million benefit for the amortization of the net regulatory EDIT liability as decreed by regulatory in certain jurisdictions.

(12)Recognized an $18 million benefit for the amortization of the net regulatory EDIT liability as decreed by regulators in certain jurisdictions, a $4 million net benefit for the impact of state law changes that resulted in the remeasurement of state deferred taxes in those jurisdictions and a $4 million net benefit for the reduction in valuation allowances on certain state NOLs that are now expected to be realized.

(13)Recognized a $10 million deferred tax expense for the non-deductible portion of the goodwill impairment on the Energy Services Disposal Group.

(14)Recognized an $8 million deferred tax expense for the non-deductible portion of the goodwill impairment on the Energy Services Disposal Group.

The tax effects of temporary differences that give rise to significant portions of deferred tax assets and liabilities were as follows:

	December 31,
	2021		2020
	(in millions)
CenterPoint Energy
Deferred tax assets:
Benefits and compensation	$	120	$	141
Regulatory liabilities	396		435
Loss and credit carryforwards	76		103
Asset retirement obligations	130		152
Indexed debt securities derivative	36		47
Investment in unconsolidated affiliates	1		—
Other	50		52
Valuation allowance	(11)		(26)
Total deferred tax assets	798		904
Deferred tax liabilities:
Property, plant and equipment	2,912		2,790
Investment in unconsolidated affiliates	—		624
Regulatory assets	741		325
Investment in ZENS and equity securities related to ZENS	693		649
Investment in equity securities	195		—
Other	161		119
Total deferred tax liabilities	4,702		4,507
Net deferred tax liabilities	$	3,904	$	3,603
Houston Electric
Deferred tax assets:
Regulatory liabilities	$	175	$	201
Benefits and compensation	13		17
Asset retirement obligations	9		9
Other	10		9
Total deferred tax assets	207		236
Deferred tax liabilities:
Property, plant and equipment	1,215		1,159
Regulatory assets	114		118
Total deferred tax liabilities	1,329		1,277
Net deferred tax liabilities	$	1,122	$	1,041

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	December 31,
	2021		2020
	(in millions)
CERC
Deferred tax assets:
Benefits and compensation	$	25	$	28
Regulatory liabilities	139		147
Loss and credit carryforwards	571		143
Asset retirement obligations	118		140
Other	26		26
Valuation allowance	—		(15)
Total deferred tax assets	879		469
Deferred tax liabilities:
Property, plant and equipment	948		916
Regulatory assets	514		53
Other	97		84
Total deferred tax liabilities	1,559		1,053
Net deferred tax liabilities	$	680	$	584

Tax Attribute Carryforwards and Valuation Allowance.  CenterPoint Energy has no federal NOL carryforwards and no federal charitable contribution carryforwards as of December 31, 2021. As of December 31, 2021, CenterPoint Energy had $1.3 billion of state NOL carryforwards that expire between 2022 and 2041, and $7 million of state tax credits that do not expire. CenterPoint Energy reported a valuation allowance of $11 million because it is more likely than not that the benefit from certain state NOL carryforwards will not be realized. Due to a change in the NOL carryforward period in Louisiana from 20 years to an indefinite period during 2021, CenterPoint Energy released a $15 million valuation allowance on certain Louisiana NOLs.

CERC has $2.3 billion of federal NOL carryforwards which have an indefinite carryforward period. CERC has $972 million of gross state NOL carryforwards which expire between 2022 and 2041 and $7 million of state tax credits which do not expire. Due to a change in the NOL carryforward period in Louisiana from 20 years to an indefinite period during 2021, CERC released a $15 million valuation allowance on certain Louisiana NOLs.

A reconciliation of CenterPoint Energy’s beginning and ending balance of unrecognized tax benefits, excluding interest and penalties, for 2021 and 2020 are as follows:

	Year Ended December 31,
	2021		2020
	(in millions)
Balance, beginning of year	$	7	$	8
Increases related to tax positions of prior years	—		3
Decreases related to tax positions of prior years	(4)		(4)
Balance, end of year	$	3	$	7

CenterPoint Energy’s net unrecognized tax benefits, including penalties and interest, were $4 million as of December 31, 2021 and are included in other non-current liabilities in the Consolidated Financial Statements. Included in the balance of uncertain tax positions as of December 31, 2021 are $2 million of tax benefits that, if recognized, would affect the effective tax rate. The above table does not include $1 million of accrued penalties and interest as of December 31, 2021. During 2021, CenterPoint Energy released a $6 million net uncertain tax liability, including interest and penalties, upon acceptance of an accounting method change filed with the IRS in 2019. The Registrants recognize interest accrued related to unrecognized tax benefits and penalties as income tax expense. The Registrants believe that it is reasonably possible that a decrease of up to $3 million in unrecognized tax benefits, including penalties and interest, may occur in the next 12 months as a result of a lapse of statutes on older exposures, a tax settlement, and/or a resolution of open audits.

Tax Audits and Settlements. Tax years through 2018 have been audited and settled with the IRS for CenterPoint Energy. For the 2019-2021 tax years, the Registrants are participants in the IRS’s Compliance Assurance Process. Vectren’s pre-Merger 2014-2019 tax years are now under audit by IRS.

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(16) Commitments and Contingencies

(a) Purchase Obligations (CenterPoint Energy and CERC)

Commitments include minimum purchase obligations related to CenterPoint Energy’s and CERC’s Natural Gas reportable segment and CenterPoint Energy’s Electric reportable segment. A purchase obligation is defined as an agreement to purchase goods or services that is enforceable and legally binding on the registrant and that specifies all significant terms, including: fixed or minimum quantities to be purchased; fixed, minimum or variable price provisions; and the approximate timing of the transaction. Contracts with minimum payment provisions have various quantity requirements and durations and are not classified as non-trading derivative assets and liabilities in CenterPoint Energy’s and CERC’s Consolidated Balance Sheets as of December 31, 2021 and 2020. These contracts meet an exception as “normal purchases contracts” or do not meet the definition of a derivative. Natural gas and coal supply commitments also include transportation contracts that do not meet the definition of a derivative.

On February 9, 2021, Indiana Electric entered into a BTA with a subsidiary of Capital Dynamics. Pursuant to the BTA, Capital Dynamics, with its partner Tenaska, will build a 300 MW solar array in Posey County, Indiana through a special purpose entity, Posey Solar. Upon completion of construction, currently projected to be at the end of 2023, and subject to IURC approval, which was received on October 27, 2021, Indiana Electric will acquire Posey Solar and its solar array assets for a fixed purchase price. Due to rising cost for the project, caused in part by supply chain issues in the energy industry, the rising cost of commodities and community feedback, CenterPoint Energy, along with Capital Dynamics, recently announced plans to downsize the project to approximately 200 MW. Indiana Electric collaboratively agreed to the scope change and is currently working through contract negotiations, contingent on further IURC review and approval.

As of December 31, 2021, minimum purchase obligations were approximately:

	Natural Gas and Coal Supply (1)				Other (2)
	CenterPoint Energy		CERC		CenterPoint Energy
	(in millions)
2022	$	560	$	322	$	66
2023	444		253		500
2024	378		247		178
2025	318		206		30
2026	254		176		29
2027 and beyond	1,586		1,282		596

(1)On January 10, 2022, CERC Corp. completed the sale of its Arkansas and Oklahoma Natural Gas businesses; therefore minimum purchase obligations for the Arkansas and Oklahoma Natural Gas businesses have been excluded from the table above. For additional information, see Note 4.

(2)CenterPoint Energy’s undiscounted minimum payment obligations related to PPAs with commitments ranging from 15 to 25 years and its purchase commitment under its BTA in Posey County, Indiana at the original contracted amount, prior to any renegotiation, are included above. The remaining undiscounted payment obligations relate primarily to technology hardware and software agreements.

Excluded from the table above are estimates for cash outlays from other PPAs through Indiana Electric that do not have minimum thresholds but do require payment when energy is generated by the provider. Costs arising from certain of these commitments are pass-through costs, generally collected dollar-for-dollar from retail customers through regulator-approved cost recovery mechanisms

(b) AMAs (CenterPoint Energy and CERC)

Upon expiration of the AMAs with the Energy Services Disposal Group discussed in Note 4, CenterPoint Energy’s and CERC’s Natural Gas businesses entered into new third-party AMAs beginning in April 2021 associated with their utility distribution service in Arkansas, Indiana, Louisiana, Mississippi, Oklahoma and Texas. Additionally, CenterPoint Energy’s and CERC’s Natural Gas business in Minnesota entered into a third-party AMA beginning in February 2021. The AMAs have varying terms, the longest of which expires in 2027. Pursuant to the provisions of the agreements, CenterPoint Energy’s and CERC’s Natural Gas either sells natural gas to the asset manager and agrees to repurchase an equivalent amount of natural gas throughout the year at the same cost, or simply purchases its full natural gas requirements at each delivery point from the asset

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manager. Generally, AMAs are contracts between CenterPoint Energy’s and CERC’s Natural Gas and an asset manager that are intended to transfer the working capital obligation and maximize the utilization of the assets. In these agreements, CenterPoint Energy’s and CERC’s Natural Gas agrees to release transportation and storage capacity to other parties to manage natural gas storage, supply and delivery arrangements for CenterPoint Energy’s and CERC’s Natural Gas and to use the released capacity for other purposes when it is not needed for CenterPoint Energy’s and CERC’s Natural Gas. CenterPoint Energy’s and CERC’s Natural Gas may receive compensation from the asset manager through payments made over the life of the AMAs. CenterPoint Energy’s and CERC’s Natural Gas has an obligation to purchase their winter storage requirements that have been released to the asset manager under these AMAs. For amounts outstanding under these AMAs, see Notes 4 and 14.

(c) Guarantees and Product Warranties (CenterPoint Energy)

In the normal course of business, Energy Systems Group enters into contracts requiring it to timely install infrastructure, operate facilities, pay vendors and subcontractors and support warranty obligations and, at times, issue payment and performance bonds and other forms of assurance in connection with these contracts.

Specific to Energy Systems Group’s role as a general contractor in the performance contracting industry, as of December 31, 2021, there were 53 open surety bonds supporting future performance with an aggregate face amount of approximately $569 million. Energy Systems Group’s exposure is less than the face amount of the surety bonds and is limited to the level of uncompleted work under the contracts. As of December 31, 2021, approximately 30% of the work was yet to be completed on projects with open surety bonds. Further, various subcontractors issue surety bonds to Energy Systems Group. In addition to these performance obligations, Energy Systems Group also warrants the functionality of certain installed infrastructure generally for one year and the associated energy savings over a specified number of years. As of December 31, 2021, there were 35 warranties totaling $550 million and an additional $1.2 billion in energy savings commitments not guaranteed by Vectren Corp. Since Energy Systems Group’s inception in 1994, CenterPoint Energy believes Energy Systems Group has had a history of generally meeting its performance obligations and energy savings guarantees and its installed products operating effectively. CenterPoint Energy assessed the fair value of its obligation for such guarantees as of December 31, 2021 and no amounts were recorded on CenterPoint Energy’s Consolidated Balance Sheets.

CenterPoint Energy issues parent company level guarantees to certain vendors, customers and other commercial counterparties of Energy Systems Group. These guarantees do not represent incremental consolidated obligations, but rather, represent guarantees of subsidiary obligations to allow those subsidiaries to conduct business without posting other forms of assurance. As of December 31, 2021, CenterPoint Energy, primarily through Vectren, has issued parent company level guarantees supporting Energy Systems Group’s obligations. For those obligations where potential exposure can be estimated, management estimates the maximum exposure under these guarantees to be approximately $514 million as of December 31, 2021. This exposure primarily relates to energy savings guarantees on federal energy savings performance contracts. Other parent company level guarantees, certain of which do not contain a cap on potential liability, have been issued in support of federal operations and maintenance projects for which a maximum exposure cannot be estimated based on the nature of the projects. While there can be no assurance that performance under any of these parent company guarantees will not be required in the future, CenterPoint Energy considers the likelihood of a material amount being incurred as remote.

(d) Guarantees and Product Warranties (CenterPoint Energy and CERC)

On February 24, 2020, CenterPoint Energy, through its subsidiary CERC Corp., entered into the Equity Purchase Agreement to sell the Energy Services Disposal Group. The transaction closed on June 1, 2020. In the normal course of business prior to June 1, 2020, the Energy Services Disposal Group through CES, traded natural gas under supply contracts and entered into natural gas related transactions under transportation, storage and other contracts. In connection with the Energy Services Disposal Group’s business activities prior to the closing of the sale of the Energy Services Disposal Group on June 1, 2020, CERC Corp. issued guarantees to CES’s counterparties to guarantee the payment of CES’s obligations. When CES remained wholly owned by CERC Corp., these guarantees did not represent incremental consolidated obligations, but rather, these guarantees represented guarantees of CES’s obligations to allow it to conduct business without posting other forms of assurance. See Note 4 for further information.

A CERC Corp. guarantee primarily had a one- or two-year term, although CERC Corp. would generally not be released from obligations incurred by CES prior to the termination of such guarantee unless the beneficiary of the guarantee affirmatively released CERC Corp. from its obligations under the guarantee. Throughout CERC Corp.’s ownership of CES and subsequent to the sale of the Energy Services Disposal Group through December 31, 2021, CERC Corp. did not pay any amounts under guarantees of CES’s obligations.

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Under the terms of the Equity Purchase Agreement, Symmetry Energy Solutions Acquisition must generally use reasonable best efforts to replace existing CERC Corp. guarantees with credit support provided by a party other than CERC Corp. as of and after the closing of the transaction. Additionally, to the extent that CERC Corp. retains any exposure relating to certain guarantees of CES’s obligations 90 days after closing of the transaction, Symmetry Energy Solutions Acquisition will pay a 3% annualized fee on such exposure, increasing by 1% on an annualized basis every three months. As of December 31, 2020, CES had provided replacement credit support to counterparties to whom CERC Corp. had issued guarantees prior to June 1, 2020, representing all $23 million of the estimated remaining exposure under the previously issued guarantees. CERC believes that counterparties to whom replacement credit support has been provided would seek payment if needed under such replacement credit support instead of a CERC Corp. guarantee. No additional guarantees were provided by CERC Corp. to CES subsequent to the closing of the transaction on June 1, 2020.

If CERC Corp. is required to pay a counterparty under a guarantee in respect of obligations of CES, Symmetry Energy Solutions Acquisition is required to promptly reimburse CERC Corp. for all amounts paid. If Symmetry Energy Solutions Acquisition fails to reimburse CERC Corp., CERC Corp. has the contractual right to seek payment from Shell Energy North America (US), L.P. in an amount up to $40 million in the aggregate. While there can be no assurance that payment under any of these guarantees will not be required in the future, CenterPoint Energy and CERC consider the likelihood of a material amount being incurred as remote.

CenterPoint Energy and CERC recorded no amounts on their respective Consolidated Balance Sheets as of December 31, 2021 and December 31, 2020 related to the performance of these guarantees.

(e) Legal, Environmental and Other Matters

Legal Matters

Minnehaha Academy (CenterPoint Energy and CERC). On August 2, 2017, a natural gas explosion occurred at the Minnehaha Academy in Minneapolis, Minnesota, resulting in the deaths of two school employees, serious injuries to others and significant property damage to the school. CenterPoint Energy, certain of its subsidiaries, including CERC, and the contractor company working in the school were named in wrongful death, property damage and personal injury litigation arising out of the incident and have now reached confidential settlement agreements in all litigation, and all related governmental matters were previously concluded. CenterPoint Energy’s and CERC’s general and excess liability insurance policies provide coverage for third party bodily injury and property damage claims. These matters are now concluded.

Litigation Related to the Merger (CenterPoint Energy). With respect to the Merger, in July 2018, seven separate lawsuits were filed against Vectren and the individual directors of Vectren’s Board of Directors in the U.S. District Court for the Southern District of Indiana. These lawsuits alleged violations of Sections 14(a) of the Exchange Act and SEC Rule 14a-9 on the grounds that the Vectren Proxy Statement filed on June 18, 2018 was materially incomplete because it omitted material information concerning the Merger. The District Court consolidated and subsequently dismissed the lawsuits with prejudice, and the plaintiffs appealed. On September 13, 2021, the U.S. Court of Appeals for the Seventh Circuit affirmed the District Court’s order of dismissal. The plaintiffs did not seek rehearing in the Court of Appeals nor review by the Supreme Court of the United States. This matter is now concluded.

Litigation Related to the February 2021 Winter Storm Event. With respect to the February 2021 Winter Storm Event, CenterPoint Energy and Houston Electric, along with ERCOT, power generation companies, and others, have received claims and lawsuits filed by plaintiffs alleging personal injury, property damage and other injuries and damages. Additionally, various regulatory and governmental entities have announced that they intend to conduct or are conducting inquiries, investigations and other reviews of the February 2021 Winter Storm Event and the efforts made by various entities to prepare for, and respond to, this event, including the electric generation shortfall issues. Such entities include the United States Congress, FERC, NERC, Texas RE, ERCOT, Texas government entities and officials such as the Texas Governor’s office, the Texas Legislature, the Texas Attorney General, the PUCT, the City of Houston and other municipal and county entities in Houston Electric’s service territory, among other entities.

Like other Texas TDUs, Houston Electric has become involved in certain of the above-referenced investigations, litigation or other regulatory and legal proceedings regarding their efforts to restore power and their compliance with NERC, ERCOT and PUCT rules and directives. CenterPoint Energy and Houston Electric have responded to inquiries from the Texas Attorney General and the Galveston County District Attorney’s Office, and CenterPoint Energy and CERC have responded to inquiries from the Arkansas, Minnesota and Oklahoma Attorneys General. CenterPoint Energy and Houston Electric are subject to, and may be further subject to, litigation and claims. Such claims include, or in the future could include, wrongful death, personal

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injury and property damage claims, lawsuits for impacts on businesses and other organizations and entities and shareholder claims, among other claims or litigation matters. CenterPoint Energy and Houston Electric, along with numerous other entities, have been named as defendants in such litigation, all of which is now pending in state court as part of a multi-district litigation proceeding. CenterPoint Energy and Houston Electric intend to vigorously defend themselves against the claims raised. CenterPoint Energy, Houston Electric and CERC are unable to predict the consequences of any such matters or to estimate a range of potential losses.

Environmental Matters

MGP Sites. CenterPoint Energy, CERC and their predecessors operated MGPs in the past. In addition, certain of CenterPoint Energy’s subsidiaries acquired through the Merger operated MGPs in the past. The costs CenterPoint Energy or CERC, as applicable, expect to incur to fulfill their respective obligations are estimated by management using assumptions based on actual costs incurred, the timing of expected future payments and inflation factors, among others. While CenterPoint Energy and CERC have recorded all costs which they presently are obligated to incur in connection with activities at these sites, it is possible that future events may require remedial activities which are not presently foreseen, and those costs may not be subject to PRP or insurance recovery.

(i)Minnesota MGPs (CenterPoint Energy and CERC). With respect to certain Minnesota MGP sites, CenterPoint Energy and CERC have completed state-ordered remediation and continue state-ordered monitoring and water treatment. CenterPoint Energy and CERC recorded a liability as reflected in the table below for continued monitoring and any future remediation required by regulators in Minnesota.

(ii)Indiana MGPs (CenterPoint Energy). In the Indiana Gas service territory, the existence, location and certain general characteristics of 26 gas manufacturing and storage sites have been identified for which CenterPoint Energy may have some remedial responsibility. A remedial investigation/feasibility study was completed at one of the sites under an agreed upon order between Indiana Gas and the IDEM, and a Record of Decision was issued by the IDEM in January 2000. The remaining sites have been submitted to the IDEM’s VRP. CenterPoint Energy has also identified its involvement in 5 manufactured gas plant sites in SIGECO’s service territory, all of which are currently enrolled in the IDEM’s VRP. CenterPoint Energy is currently conducting some level of remedial activities, including groundwater monitoring at certain sites.

(iii)Other MGPs (CenterPoint Energy and CERC). In addition to the Minnesota and Indiana sites, the EPA and other regulators have investigated MGP sites that were owned or operated by CenterPoint Energy or CERC or may have been owned by one of their former affiliates.

Total costs that may be incurred in connection with addressing these sites cannot be determined at this time. The estimated accrued costs are limited to CenterPoint Energy’s and CERC’s share of the remediation efforts and are therefore net of exposures of other PRPs. The estimated range of possible remediation costs for the sites for which CenterPoint Energy and CERC believe they may have responsibility was based on remediation continuing for the minimum time frame given in the table below.

	December 31, 2021
	CenterPoint Energy		CERC
	(in millions, except years)
Amount accrued for remediation	$	16	$	11
Minimum estimated remediation costs	11		8
Maximum estimated remediation costs	58		36
Minimum years of remediation	5		30
Maximum years of remediation	50		50

The cost estimates are based on studies of a site or industry average costs for remediation of sites of similar size. The actual remediation costs will depend on the number of sites to be remediated, the participation of other PRPs, if any, and the remediation methods used.

CenterPoint Energy and CERC do not expect the ultimate outcome of these matters to have a material adverse effect on the financial condition, results of operations or cash flows of either CenterPoint Energy or CERC.

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Asbestos. Some facilities owned by the Registrants or their predecessors contain or have contained asbestos insulation and other asbestos-containing materials. The Registrants are from time to time named, along with numerous others, as defendants in lawsuits filed by a number of individuals who claim injury due to exposure to asbestos, and the Registrants anticipate that additional claims may be asserted in the future. Although their ultimate outcome cannot be predicted at this time, the Registrants do not expect these matters, either individually or in the aggregate, to have a material adverse effect on their financial condition, results of operations or cash flows.

CCR Rule (CenterPoint Energy). In April 2015, the EPA finalized its CCR Rule, which regulates ash as non-hazardous material under the RCRA. The final rule allows beneficial reuse of ash, and the majority of the ash generated by Indiana Electric’s generating plants will continue to be reused. In July 2018, the EPA released its final CCR Rule Phase I Reconsideration which extended the deadline to October 31, 2020 for ceasing placement of ash in ponds that exceed groundwater protections standards or that fail to meet location restrictions. In August 2019, the EPA proposed additional “Part A” amendments to its CCR Rule with respect to beneficial reuse of ash and other materials. Further “Part B” amendments, which related to alternate liners for CCR surface impoundments and the surface impoundment closure process, were published in March 2020. The Part A amendments were finalized in August 2020 and extended the deadline to cease placement of ash in ponds to April 11, 2021, discussed further below. The EPA published the final Part B amendments in November 2020. The Part A amendments do not restrict Indiana Electric’s current beneficial reuse of its fly ash. CenterPoint Energy evaluated the Part B amendments to determine potential impacts and determined that the Part B amendments did not have an impact on its current plans. Shortly after taking office in January 2021, President Biden signed an executive order requiring agencies to review environmental actions taken by the Trump administration, including the CCR Rule Phase I Reconsideration, the Part A amendments, and the Part B amendments; the EPA has completed its review of the Phase I Reconsideration, Part A amendments, and Part B amendments and determined that the most environmentally protective course is to implement the rules.

Indiana Electric has three ash ponds, two at the F.B. Culley facility (Culley East and Culley West) and one at the A.B. Brown facility. Under the existing CCR Rule, Indiana Electric is required to perform integrity assessments, including ground water monitoring, at its F.B. Culley and A.B. Brown generating stations. The ground water studies are necessary to determine the remaining service life of the ponds and whether a pond must be retrofitted with liners or closed in place. Indiana Electric’s Warrick generating unit is not included in the scope of the CCR Rule as this unit has historically been part of a larger generating station that predominantly serves an adjacent industrial facility. Preliminary groundwater monitoring indicates potential groundwater impacts very close to Indiana Electric’s ash impoundments, and further analysis is ongoing. The CCR Rule required companies to complete location restriction determinations by October 18, 2018. Indiana Electric completed its evaluation and determined that one F.B. Culley pond (Culley East) and the A.B. Brown pond fail the aquifer placement location restriction. As a result of this failure, Indiana Electric was required to cease disposal of new ash in the ponds and commence closure of the ponds by April 11, 2021, unless approved for an extension. CenterPoint Energy has applied for the extensions available under the CCR Rule that would allow Indiana Electric to continue to use the ponds through October 15, 2023. The EPA is still reviewing industry extension requests, including CenterPoint Energy’s extension request. Companies can continue to operate ponds pending completion of the EPA’s evaluation of the requests for extension. If the EPA denies a full extension request, that denial may result in increased and potentially significant operational costs in connection with the accelerated implementation of an alternative ash disposal system or may adversely impact Indiana Electric’s future operations. Failure to comply with a cease waste receipt could also result in an enforcement proceeding, resulting in the imposition of fines and penalties. On April 24, 2019, Indiana Electric received an order from the IURC approving recovery in rates of costs associated with the closure of the Culley West pond, which has already completed closure activities. On August 14, 2019, Indiana Electric filed its petition with the IURC for recovery of costs associated with the closure of the A.B. Brown ash pond, which would include costs associated with the excavation and recycling of ponded ash. This petition was subsequently approved by the IURC on May 13, 2020. On October 28, 2020, the IURC approved Indiana Electric’s ECA proceeding, which included the initiation of recovery of the federally mandated project costs.

Indiana Electric continues to refine site specific estimates of closure costs for its ten-acre Culley East pond. In July 2018, Indiana Electric filed a Complaint for Damages and Declaratory Relief against its insurers seeking reimbursement of defense, investigation and pond closure costs incurred to comply with the CCR Rule, and has since reached confidential settlement agreements with its insurers. The proceeds of these settlements will offset costs that have been and will be incurred to close the ponds.

As of December 31, 2021, CenterPoint Energy has recorded an approximate $90 million ARO, which represents the discounted value of future cash flow estimates to close the ponds at A.B. Brown and F.B. Culley. This estimate is subject to change due to the contractual arrangements; continued assessments of the ash, closure methods, and the timing of closure; implications of Indiana Electric’s generation transition plan; changing environmental regulations; and proceeds received from

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the settlements in the aforementioned insurance proceeding. In addition to these removal costs, Indiana Electric also anticipates equipment purchases of between $60 million and $80 million to complete the A.B. Brown closure project.

Clean Water Act Permitting of Groundwater Discharges. In April 2021, the U.S. Supreme Court issued an opinion providing that indirect discharges via groundwater or other non-point sources are subject to permitting and liability under the Clean Water Act when they are the functional equivalent of a direct discharge. The Registrants are evaluating the extent to which this decision will affect Clean Water Act permitting requirements and/or liability for their operations.

Other Environmental. From time to time, the Registrants identify the presence of environmental contaminants during operations or on property where predecessors have conducted operations. Other such sites involving contaminants may be identified in the future. The Registrants have and expect to continue to remediate any identified sites consistent with state and federal legal obligations. From time to time, the Registrants have received notices, and may receive notices in the future, from regulatory authorities or others regarding status as a PRP in connection with sites found to require remediation due to the presence of environmental contaminants. In addition, the Registrants have been, or may be, named from time to time as defendants in litigation related to such sites. Although the ultimate outcome of such matters cannot be predicted at this time, the Registrants do not expect these matters, either individually or in the aggregate, to have a material adverse effect on their financial condition, results of operations or cash flows.

Other Proceedings

The Registrants are involved in other legal, environmental, tax and regulatory proceedings before various courts, regulatory commissions and governmental agencies regarding matters arising in the ordinary course of business. From time to time, the Registrants are also defendants in legal proceedings with respect to claims brought by various plaintiffs against broad groups of participants in the energy industry. Some of these proceedings involve substantial amounts. The Registrants regularly analyze current information and, as necessary, provide accruals for probable and reasonably estimable liabilities on the eventual disposition of these matters. The Registrants do not expect the disposition of these matters to have a material adverse effect on the Registrants’ financial condition, results of operations or cash flows.

(17) Earnings Per Share (CenterPoint Energy)

The Series C Preferred Stock issued in May 2020 were considered participating securities since these shares participated in dividends on Common Stock on a pari passu, pro rata, as-converted basis. As a result, beginning June 30, 2020, earnings per share on Common Stock was computed using the two-class method required for participating securities during the periods the Series C Preferred Stock was outstanding. As of May 7, 2021, all of the remaining outstanding Series C Preferred Stock were converted into shares of Common Stock and earnings per share on Common Stock and, as such, the two-class method was no longer applicable beginning June 30, 2021.

The two-class method uses an earnings allocation formula that treats participating securities as having rights to earnings that otherwise would have been available only to common shareholders. Under the two-class method, income (loss) available to common shareholders from continuing operations is derived by subtracting the following from income (loss) from continuing operations:

•preferred share dividend requirement;

•deemed dividends for the amortization of the beneficial conversion feature recognized at issuance of the Series C Preferred Stock; and

•an allocation of undistributed earnings to preferred shareholders of participating securities (Series C Preferred Stock) based on the securities’ right to receive dividends.

Undistributed earnings are calculated by subtracting dividends declared on Common Stock, the preferred share dividend requirement and deemed dividends for the amortization of the beneficial conversion feature from net income. Net losses are not allocated to the Series C Preferred Stock as it does not have a contractual obligation to share in the losses of CenterPoint Energy.

The Series C Preferred Stock included conversion features at a price that were below the fair value of the Common Stock on the commitment date. This beneficial conversion feature, which was approximately $32 million, represents the difference between the fair value per share of the Common Stock as of the commitment date and the conversion price, multiplied by the number of common shares issuable upon conversion. The beneficial conversion feature was recognized as a discount to Series C Preferred Stock and was amortized as a deemed dividend over the period from the issue date to the first allowable conversion date, which was November 6, 2020.

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Basic earnings per common share is computed by dividing income available to common shareholders from continuing operations by the basic weighted average number of common shares outstanding during the period. Participating securities are excluded from basic weighted average number of common shares outstanding. Diluted earnings per common share is computed by dividing income available to common shareholders from continuing operations by the weighted average number of common shares outstanding, including all potentially dilutive common shares, if the effect of such common shares is dilutive.

Diluted earnings per share reflects the dilutive effect of potential common shares from share-based awards and convertible preferred shares. The dilutive effect of the restricted stock, Series B Preferred Stock and Series C Preferred Stock is computed using the if-converted method, which assumes conversion of the restricted stock, Series B Preferred Stock and Series C Preferred Stock at the beginning of the period, giving income recognition for the add-back of the preferred share dividends, amortization of beneficial conversion feature, and undistributed earnings allocated to preferred shareholders. The dilutive effect of restricted stock is computed using the treasury stock method, as applicable, which includes the incremental shares that would be hypothetically vested in excess of the number of shares assumed to be hypothetically repurchased with the assumed proceeds.

The following table reconciles numerators and denominators of CenterPoint Energy’s basic and diluted earnings per common share. Basic earnings per common share is determined by dividing Income available to common shareholders - basic by the Weighted average common shares outstanding - basic for the applicable period. Diluted earnings per common share is determined by the inclusion of potentially dilutive common stock equivalent shares that may occur if securities to issue Common Stock were exercised or converted into Common Stock.

	For the Year Ended December 31,
	2021		2020		2019
	(in millions, except per share and share amounts)
Numerator:
Income from continuing operations	$	668	$	483	$	515
Less: Preferred stock dividend requirement (Note 13)	95		144		117
Less: Amortization of beneficial conversion feature (Note 13)	—		32		—
Less: Undistributed earnings allocated to preferred shareholders (1)	—		—		—
Income available to common shareholders from continuing operations - basic and diluted	573		307		398
Income (loss) available to common shareholders from discontinued operations - basic and diluted	818		(1,256)		276
Income (loss) available to common shareholders - basic and diluted	$	1,391	$	(949)	$	674
Denominator:
Weighted average common shares outstanding - basic	592,933,000		531,031,000		502,050,000
Plus: Incremental shares from assumed conversions:
Restricted stock	5,181,000		—		3,107,000
Series C Preferred Stock (3)	11,824,000		—		—
Weighted average common shares outstanding - diluted	609,938,000		531,031,000		505,157,000
Anti-dilutive Incremental Shares Excluded from Denominator for Diluted Earnings (Loss) Computation:
Restricted stock	—		3,690,000		—
Series B Preferred Stock (2)	23,906,000		35,922,000		34,354,000
Series C Preferred Stock (3)	—		23,807,000		—

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	For the Year Ended December 31,
	2021		2020		2019
	(in millions, except per share and share amounts)
Earnings (loss) per common share:
Basic earnings per common share - continuing operations	$	0.97	$	0.58	$	0.79
Basic earnings (loss) per common share - discontinued operations	1.38		(2.37)		0.55
Basic Earnings (Loss) Per Common Share	$	2.35	$	(1.79)	$	1.34
Diluted earnings per common share - continuing operations	$	0.94	$	0.58	$	0.79
Diluted earnings (loss) per common share - discontinued operations	1.34		(2.37)		0.54
Diluted Earnings (Loss) Per Common Share	$	2.28	$	(1.79)	$	1.33

(1)There were no undistributed earnings to be allocated to participating securities for the years ended December 31, 2021 and 2020.

(2)As of December 31, 2021, all of the outstanding Series B Preferred Stock have been converted into Common Stock. For further information, see Note 13.

(3)As of December 31, 2021, all of the outstanding Series C Preferred Stock have been converted into Common Stock. For further information, see Note 13.

(18) Reportable Segments

The Registrants’ determination of reportable segments considers the strategic operating units under which its CODM manages sales, allocates resources and assesses performance of various products and services to wholesale or retail customers in differing regulatory environments. Each Registrant’s CODM views net income as the measure of profit or loss for the reportable segments. Certain prior year amounts have been reclassified for assets held for sale and discontinued operations as described below. Additionally, in 2021 CenterPoint Energy transferred certain assets previously recorded in Corporate and Other directly into the reportable segments that received the benefits of such assets, and prior year amounts were reclassified.

As of December 31, 2021, reportable segments by Registrant are as follows:

CenterPoint Energy

•CenterPoint Energy’s Electric reportable segment consisted of electric transmission and distribution services in the Texas gulf coast area and electric transmission and distribution services primarily to southwestern Indiana and includes power generation and wholesale power operations.

•CenterPoint Energy’s Natural Gas reportable segment consisted of (i) intrastate natural gas sales to, and natural gas transportation and distribution for residential, commercial, industrial and institutional customers in Arkansas, Indiana, Louisiana, Minnesota, Mississippi, Ohio, Oklahoma and Texas; (ii) permanent pipeline connections through interconnects with various interstate and intrastate pipeline companies through CEIP.

CenterPoint Energy’s Corporate and Other consists of energy performance contracting and sustainable infrastructure services through Energy Systems Group and other corporate operations which support all of the business operations of CenterPoint Energy.

Houston Electric

•Houston Electric’s single reportable segment consisted of electric transmission services to transmission service customers in the ERCOT region and distribution services to REPs in the Texas gulf coast area.

CERC

•CERC’s single reportable segment consisted of (i) intrastate natural gas sales to, and natural gas transportation and distribution for residential, commercial, industrial and institutional customers in Arkansas, Louisiana, Minnesota, Mississippi, Oklahoma and Texas; and (ii) permanent pipeline connections through interconnects with various interstate and intrastate pipeline companies through CEIP.

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Expenditures for long-lived assets include property, plant and equipment. Intersegment sales are eliminated in consolidation, except as described in Note 2(b).

Financial data for reportable segments is as follows, including Corporate and Other and Discontinued Operations for reconciliation purposes:

CenterPoint Energy

	Revenues from External Customers		Depreciation and Amortization		Interest Income (1)		Interest Expense		Income Tax Expense (Benefit)		Net Income (Loss)
	(in millions)
For the year ended December 31, 2021:
Electric	$	3,763	$	756	$	—	$	(226)	$	95	$	475
Natural Gas	4,336		502		1		(141)		80		403
Corporate and Other	253		58		118		(278)		(65)		(210)
Eliminations	—		—		(116)		116		—		—
Continuing Operations	$	8,352	$	1,316	$	3	$	(529)	$	110	668
Discontinued Operations, net											818
Consolidated											$	1,486
For the year ended December 31, 2020:
Electric	$	3,470	$	670	$	3	$	(220)	$	72	$	230
Natural Gas	3,631		473		8		(153)		125		278
Corporate and Other	317		46		104		(267)		(117)		(25)
Eliminations	—		—		(111)		111		—		—
Continuing Operations	$	7,418	$	1,189	$	4	$	(529)	$	80	483
Discontinued Operations, net											(1,256)
Consolidated											$	(773)
For the year ended December 31, 2019:
Electric	$	3,519	$	746	$	27	$	(225)	$	96	$	419
Natural Gas	3,750		439		6		(144)		2		251
Corporate and Other	295		40		134		(343)		(68)		(155)
Eliminations	—		—		(145)		145		—		—
Continuing Operations	$	7,564	$	1,225	$	22	$	(567)	$	30	515
Discontinued Operations, net											276
Consolidated											$	791

(1) Interest income from Securitization Bonds of less than $1 million, $1 million and $5 million for the years ended December 31, 2021, 2020 and 2019, respectively, is included in Other income, net on CenterPoint Energy’s and Houston Electric’s respective Statements of Consolidated Income.

	Total Assets				Expenditures for Long-lived Assets
	December 31,				December 31,
	2021		2020		2021		2020		2019
	(in millions)
Electric	$	16,439	$	14,516	$	2,008	$	1,281	$	1,216
Natural Gas	16,153		15,041		1,178		1,139		1,098
Corporate and Other, net of eliminations (1)	2,749		3,132		42		95		194
Continuing Operations	35,341		32,689		3,228		2,515		2,508
Assets Held for Sale/Discontinued Operations	2,338		782		171		21		79
Consolidated	$	37,679	$	33,471	$	3,399	$	2,536	$	2,587

(1)Total assets included pension and other postemployment-related regulatory assets of $427 million and $540 million as of December 31, 2021 and 2020, respectively.

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Assets Held for Sale and Discontinued Operations (CenterPoint Energy and CERC)

CenterPoint Energy’s Midstream Investments reportable segment presented in the Registrants’ combined 2020 Form 10-K consisted of the equity investment in Enable (excluding the Enable Series A Preferred Units). In September 2021, CenterPoint Energy’s equity investment in Enable met the held for sale criteria and is reflected as discontinued operations, and as a result this reportable segment is not reflected in the financial data for reportable segments. See Notes 4 and 11 for further information regarding CenterPoint Energy’s equity investment in Enable as held for sale and discontinued operations and the completed Enable Merger.

On February 3, 2020, CenterPoint Energy, through its subsidiary VUSI, entered into the Securities Purchase Agreement to sell the Infrastructure Services Disposal Group, which consisted of underground pipeline construction and repair services. Accordingly, the previously reported Infrastructure Services reportable segment has been eliminated. The transaction closed on April 9, 2020. See Note 4 for further information. Additionally, on February 24, 2020, CenterPoint Energy, through its subsidiary CERC Corp., entered into the Equity Purchase Agreement to sell the Energy Services Disposal Group, which consisted of non-rate regulated natural gas sales and service operations. Accordingly, the previously reported Energy Services reportable segment has been eliminated. The transaction closed on June 1, 2020. See Note 4 for further information.

On April 29, 2021, CenterPoint Energy, through its subsidiary CERC Corp., entered into an Asset Purchase Agreement to sell its Arkansas and Oklahoma Natural Gas businesses. The Arkansas and Oklahoma Natural Gas businesses are reflected in CenterPoint Energy’s Natural Gas reportable segment and CERC’s single reportable segment, as applicable, and are classified as held for sale as of December 31, 2021. On January 10, 2022, CERC Corp. completed the sale of its Arkansas and Oklahoma Natural Gas businesses. See Note 4 for further information.

On August 31, 2021, CenterPoint Energy, through its subsidiary CERC Corp., completed the sale of MES to Last Mile Energy. See Note 4 for further information.

Houston Electric

Houston Electric consists of a single reportable segment; therefore, a tabular reportable segment presentation has not been

included.

CERC

CERC consists of a single reportable segment; therefore, a tabular reportable segment presentation has not been included.

Major Customers (CenterPoint Energy and Houston Electric)

Houston Electric’s revenues from major external customers are as follows:

	Year Ended December 31,
	2021		2020		2019
	(in millions)
Affiliates of NRG	$	905	$	749	$	727
Affiliates of Vistra Energy Corp.	410		404		263

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Revenues by Products and Services

	Year Ended December 31,
	2021						2020						2019
Revenues by Products and Services:	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Electric delivery	$	3,158	$	3,134	$	—	$	2,941	$	2,911	$	—	$	3,019	$	2,990	$	—
Retail electric sales	559		—		—		515		—		—		486		—		—
Wholesale electric sales	46		—		—		14		—		—		14		—		—
Retail gas sales	4,157		—		3,069		3,462		—		2,594		3,563		—		2,831
Gas transportation and processing	12		—		12		15		—		15		33		—		33
Energy products and services	420		—		167		471		—		154		449		—		154
Total	$	8,352	$	3,134	$	3,248	$	7,418	$	2,911	$	2,763	$	7,564	$	2,990	$	3,018

(19) Supplemental Disclosure of Cash Flow Information

CenterPoint Energy and CERC elected not to separately disclose discontinued operations on their respective Condensed Statements of Consolidated Cash Flows. The table below provides supplemental disclosure of cash flow information and does not exclude the Infrastructure Services and Energy Services Disposal Groups prior to the closing of the respective transactions.

The tables below provide supplemental disclosure of cash flow information:

	2021						2020						2019
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Cash Payments/Receipts:
Interest, net of capitalized interest	$	489	$	208	$	99	$	471	$	201	$	114	$	436	$	229	$	109
Income tax payments (refunds), net	(46)		20		4		143		65		4		155		87		7
Non-cash transactions:
Accounts payable related to capital expenditures	370		261		103		153		102		69		236		117		86
Fair Value of Energy Transfer Common Units received for Enable Merger	1,672		—		—		—		—		—		—		—		—
Fair Value of Energy Transfer Series G Preferred Units received for Enable Merger	385		—		—		—		—		—		—		—		—
ROU assets obtained in exchange for lease liabilities (1)	2		—		—		15		1		5		44		1		29
Beneficial conversion feature	—		—		—		32		—		—		—		—		—
Amortization of beneficial conversion feature	—		—		—		(32)		—		—		—		—		—
Capital distribution associated with the Internal Spin (2)	—		—		—		—		—		—		—		—		28

(1)Includes the transition impact of adoption of ASU 2016-02 Leases as of January 1, 2019. The Registrants elected not to recast comparative periods in the year of adoption as permitted by the standard.

(2)The capital distribution in 2019 is the result of the finalization of the previously estimated net deferred tax assets and liabilities distributed as part of the Internal Spin.

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The table below provides a reconciliation of cash, cash equivalents and restricted cash reported in the Consolidated Balance Sheets to the amount reported in the Statements of Consolidated Cash Flows:

	December 31, 2021						December 31, 2020
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Cash and cash equivalents (1)	$	230	$	214	$	8	$	147	$	139	$	1
Restricted cash included in Prepaid expenses and other current assets	24		19		—		20		15		—
Total cash, cash equivalents and restricted cash shown in Statements of Consolidated Cash Flows	$	254	$	233	$	8	$	167	$	154	$	1

(1)Houston Electric’s Cash and cash equivalents as of December 31, 2021 and 2020 included $92 million and $139 million, respectively, of cash related to the Bond Companies.

(20) Related Party Transactions (Houston Electric and CERC)

Houston Electric and CERC participate in a money pool through which they can borrow or invest on a short-term basis. Funding needs are aggregated and external borrowing or investing is based on the net cash position. The net funding requirements of the money pool are expected to be met with borrowings under CenterPoint Energy’s revolving credit facility or the sale of CenterPoint Energy’s commercial paper. 

The table below summarizes money pool activity:

	December 31, 2021						December 31, 2020
	Houston Electric			CERC			Houston Electric			CERC
	(in millions, except interest rates)
Money pool investments (borrowings) (1)	$	(512)		$	(224)		$	(8)		$	—
Weighted average interest rate	0.34		%	0.34		%	0.24		%	0.24		%

(1)Included in Accounts and notes receivable (payable)–affiliated companies in Houston Electric’s and CERC’s Consolidated Balance Sheets.

Houston Electric and CERC affiliate-related net interest income (expense) were as follows:

	Year Ended December 31,
	2021				2020				2019
	Houston Electric		CERC		Houston Electric		CERC		Houston Electric		CERC
	(in millions)
Interest income (expense), net (1)	$	—	$	—	$	—	$	—	$	18	$	4

(1)Interest income is included in Other, net and interest expense is included in Interest and other finance charges on Houston Electric’s and CERC’s respective Statements of Consolidated Income.

CenterPoint Energy provides some corporate services to Houston Electric and CERC. The costs of services have been charged directly to Houston Electric and CERC using methods that management believes are reasonable. These methods include negotiated usage rates, dedicated asset assignment and proportionate corporate formulas based on operating expenses, assets, gross margin, employees and a composite of assets, gross margin and employees. Houston Electric provides certain services to CERC. These services are billed at actual cost, either directly or as an allocation and include fleet services, shop services, geographic services, surveying and right-of-way services, radio communications, data circuit management and field operations. Additionally, CERC provides certain services to Houston Electric. These services are billed at actual cost, either directly or as an allocation and include line locating and other miscellaneous services. These charges are not necessarily indicative of what would have been incurred had Houston Electric and CERC not been affiliates.

The Infrastructure Services Disposal Group provided pipeline construction and repair services to CERC’s Natural Gas. Additionally, CERC, through the Energy Services Disposal Group, sold natural gas to Indiana Electric for use in electric

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generation activities. These transactions are now included in discontinued operations and are excluded from the disclosures below. See Note 4 for further information.

Amounts charged for these services are included primarily in Operation and maintenance expenses:

	Year Ended December 31,
	2021				2020				2019
	Houston Electric		CERC		Houston Electric		CERC		Houston Electric		CERC
	(in millions)
Corporate service charges	$	189	$	216	$	197	$	212	$	177	$	141
Net affiliate service charges (billings)	(7)		7		(16)		16		(8)		8

The table below presents transactions among Houston Electric, CERC and their parent, Utility Holding.

	Year Ended December 31,
	2021				2020				2019
	Houston Electric		CERC		Houston Electric		CERC		Houston Electric		CERC
	(in millions)
Cash dividends paid to parent	$	—	$	—	$	551	$	80	$	376	$	120
Cash contribution from parent	130		180		62		217		590		129
Capital distribution to parent associated with the sale of CES	—		—		—		286		—		—
Capital distribution to parent associated with the Internal Spin (1)	—		—		—		—		—		28
Property, plant and equipment from parent (2)	—		—		36		23		—		—

(1)The capital distribution in 2019 associated with the Internal Spin is a result of the return to accrual for the periods of CERC’s ownership during 2018.

(2)Property, plant and equipment purchased from CenterPoint Energy at its net carrying value on the date of purchase.

(21) Leases

An arrangement is determined to be a lease at inception based on whether the Registrant has the right to control the use of an identified asset. ROU assets represent the Registrants’ right to use the underlying asset for the lease term and lease liabilities represent the Registrants’ obligation to make lease payments arising from the lease. ROU assets and liabilities are recognized at the lease commencement date based on the present value of lease payments over the lease term, including payments at commencement that depend on an index or rate. Most leases in which the Registrants are the lessee do not have a readily determinable implicit rate, so an incremental borrowing rate, based on the information available at the lease commencement date, is utilized to determine the present value of lease payments. When a secured borrowing rate is not readily available, unsecured borrowing rates are adjusted for the effects of collateral to determine the incremental borrowing rate. Each Registrant uses the implicit rate for agreements in which it is a lessor. Lease income and expense for operating leases and ROU amortization for finance leases are recognized on a straight-line basis over the lease term.

The Registrants have lease agreements with lease and non-lease components and have elected the practical expedient to combine lease and non-lease components for certain classes of leases, such as office buildings and mobile generators. For classes of leases in which lease and non-lease components are not combined, consideration is allocated between components based on the stand-alone prices. Sublease income is not significant to the Registrants.

The Registrants’ lease agreements do not contain any material residual value guarantees, material restrictions or material covenants. There are no material lease transactions with related parties. Agreements in which the Registrants are lessors do not include provisions for the lessee to purchase the assets. Because risk is minimal, the Registrants do not take any significant actions to manage risk associated with the residual value of their leased assets.

The Registrants’ operating lease agreements are primarily equipment and real property leases, including land and office facility leases. CenterPoint Energy and Houston Electric also have finance lease agreements for mobile generators. The Registrants’ lease terms may include options to extend or terminate a lease when it is reasonably certain that those options will

174

be exercised. The Registrants have elected an accounting policy that exempts leases with terms of one year or less from the recognition requirements of ASC 842.

In 2021 Houston Electric entered into two lease agreements for mobile generation: (1) a temporary short-term lease and (2) a long-term lease. The short-term lease agreement allows Houston Electric to take delivery of mobile generation assets on a short-term basis with a term ending in the third quarter of 2022. Per Houston Electric’s short term lease accounting policy election, a ROU asset and lease liability are not reflected on Houston Electric’s Consolidated Balance Sheets. Expenses associated with the short-term lease, including carrying costs, are deferred to a regulatory asset and totaled $20 million as of December 31, 2021.

The long-term lease agreement includes up to 505 MW of mobile generation of which 125 MW was delivered by December 31, 2021, triggering lease commencement at delivery, and has an initial term ending in 2029. Houston Electric derecognized the finance lease liability when the extinguishment criteria in Topic 405 - Liabilities were achieved. Per the terms of the agreement, lease payments are due and made in full by Houston Electric upon taking possession of the asset, relieving substantially all of the associated finance lease liability as of December 31, 2021. The remaining finance lease liability associated with the commenced long-term mobile generation agreement was not significant as of December 31, 2021 and relates to removal costs that will be incurred at the end of the lease term. The lease agreement provides Houston Electric a right to terminate between October 2022 and March 2023 if a regulatory event or ruling creates a material adverse condition, which is not reasonably certain to occur. If the right to terminate is elected, seventy-five percent (75%) of Houston Electric’s prorated prepaid lease costs would be refunded. Houston Electric made payments under the long-term lease agreement for the 125 MW of mobile generation that was delivered during 2021 into an escrow account, not controlled by Houston Electric, and the funds will be released when the lessor provides Houston Electric with the required information to secure a first lien on the generation equipment.

Houston Electric will also incur variable costs throughout the lease term for the operation and maintenance of the generators. Lease costs, including variable and ROU asset amortization costs, are deferred to Regulatory assets as incurred as a recoverable cost under the 2021 Texas legislation. Houston Electric intends to seek recovery in its DCRF of deferred costs, lease payments, and applicable return, which approximate $200 million under the mobile generation agreements in 2021.

The components of lease cost, included in Operation and maintenance expense on the Registrants’ respective Statements of Consolidated Income, are as follows:

	Year Ended December 31, 2021						Year Ended December 31, 2020
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Operating lease cost	$	8	$	1	$	4	$	9	$	—	$	5
Short-term lease cost	119		118		—		14		12		—
Total lease cost (1)	$	127	$	119	$	4	$	23	$	12	$	5

(1) CenterPoint Energy and Houston Electric defer finance lease costs for mobile generation to Regulatory assets for recovery rather than to Depreciation and Amortization in the Statements of Consolidated Income.

The components of lease income were as follows:

	Year Ended December 31, 2021						Year Ended December 31, 2020
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Operating lease income	$	6	$	1	$	3	$	5	$	—	$	2
Variable lease income	1		—		—		1		—		—
Total lease income	$	7	$	1	$	3	$	6	$	—	$	2

175

Supplemental balance sheet information related to leases was as follows:

	December 31, 2021									December 31, 2020
	CenterPoint Energy			Houston Electric			CERC			CenterPoint Energy			Houston Electric			CERC
	(in millions, except lease term and discount rate)
Assets:
Operating ROU assets (1)	$	22		$	1		$	12		$	31		$	1		$	19
Finance ROU assets (2)	179			179			—			—			—			—
Total leased assets	$	201		$	180		$	12		$	31		$	1		$	19
Liabilities:
Current operating lease liability (3)	$	6		$	1		$	2		$	6		$	—		$	3
Non-current operating lease liability (4)	17			—			11			26			1			18
Total leased liabilities (5)	$	23		$	1		$	13		$	32		$	1		$	21
Weighted-average remaining lease term (in years) - operating leases	6.2			4.1			6.5			6.0			4.0			7.5
Weighted-average discount rate - operating leases	3.10		%	2.86		%	3.20		%	3.14		%	2.59		%	3.36		%
Weighted-average remaining lease term (in years) - finance leases	7.5			7.5			—			—			—			—
Weighted-average discount rate - finance leases	2.21		%	2.21		%	—			—			—			—

(1)Reported within Other assets in the Registrants’ respective Consolidated Balance Sheets.

(2)Reported within Property, Plant and Equipment in the Registrants’respective Consolidated Balance Sheets. Finance lease assets are recorded net of accumulated amortization.

(3)Reported within Current other liabilities in the Registrants’ respective Consolidated Balance Sheets.

(4)Reported within Other liabilities in the Registrants’ respective Consolidated Balance Sheets.

(5)Finance lease liabilities were not material as of December 31, 2021 or 2020 and are reported within Other long-term debt in the Registrants’ respective Consolidated Balance Sheets when applicable.

As of December 31, 2021, finance lease liabilities were not significant to the Registrants. As of December 31, 2021, maturities of operating lease liabilities were as follows:

	CenterPoint  Energy		Houston  Electric		CERC
	(in millions)
2022	$	6	$	1	$	3
2023	5		—		2
2024	3		—		2
2025	3		—		2
2026	3		—		2
2027 and beyond	5		—		3
Total lease payments	25		1		14
Less: Interest	2		—		1
Present value of lease liabilities	$	23	$	1	$	13

As of December 31, 2021, future minimum finance lease payments were not significant to the Registrants, exclusive of approximately $496 million of legally-binding undiscounted minimum lease payments for finance leases for approximately 380 MW of mobile generation leases signed but not yet commenced. As of December 31, 2021, maturities of undiscounted operating lease payments to be received are as follows:

176

	CenterPoint  Energy		Houston  Electric		CERC
	(in millions)
2022	$	5	$	—	$	3
2023	5		—		3
2024	5		—		3
2025	6		—		3
2026	6		—		4
2027 and beyond	142		—		136
Total lease payments to be received	$	169	$	—	$	152

Other information related to leases is as follows:

	Year Ended December 31, 2021
	CenterPoint  Energy		Houston Electric		CERC
	(in millions)
Operating cash flows from operating leases included in the measurement of lease liabilities	$	6	$	1	$	3
Financing cash flows from finance leases included in the measurement of lease liabilities	179		179		—

See Note 19 for information on ROU assets obtained in exchange for operating lease liabilities.

(22) Subsequent Events

Completion of Sale of Arkansas and Oklahoma Natural Gas businesses (CenterPoint Energy and CERC)

On January 10, 2022, CERC Corp. completed the sale of its Arkansas and Oklahoma Natural Gas businesses. For additional information, see Note 4.

CERC Dividend

On February 11, 2022, CERC paid a dividend of $720 million to its parent, Utility Holding.

Item 9.Changes in and Disagreements with Accountants on Accounting and Financial Disclosure

None.

Item 9A.Controls and Procedures

Disclosure Controls And Procedures

In accordance with Exchange Act Rules 13a-15 and 15d-15, the Registrants carried out separate evaluations, under the supervision and with the participation of each company’s management, including the principal executive officer and principal financial officer, of the effectiveness of the disclosure controls and procedures as of the end of the period covered by this report. Based on those evaluations, the principal executive officer and principal financial officer, in each case, concluded that the disclosure controls and procedures were effective as of December 31, 2021 to provide assurance that information required to be disclosed in the reports filed or submitted under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and forms and such information is accumulated and communicated to management, including the principal executive officer and principal financial officer, as appropriate to allow timely decisions regarding disclosure.

There has been no change in the Registrants’ internal controls over financial reporting that occurred during the three months ended December 31, 2021 that has materially affected, or is reasonably likely to materially affect, the Registrants’ internal controls over financial reporting.

177

Management’s Annual Report on Internal Control over Financial Reporting

The Registrants’ management is responsible for establishing and maintaining adequate internal control over financial reporting. Internal control over financial reporting is defined in Rule 13a-15(f) or 15d-15(f) promulgated under the Securities Exchange Act of 1934 as a process designed by, or under the supervision of, the company’s principal executive and principal financial officers and effected by the company’s board of directors, management and other personnel, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles and includes those policies and procedures that:

•Pertain to the maintenance of records that in reasonable detail accurately and fairly reflect the transactions and dispositions of the assets of the company;

•Provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and

•Provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use or disposition of the company’s assets that could have a material effect on the financial statements.

Management has designed its internal control over financial reporting to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements in accordance with accounting principles generally accepted in the United States of America. Management’s assessment included review and testing of both the design effectiveness and operating effectiveness of controls over all relevant assertions related to all significant accounts and disclosures in the financial statements.

All internal control systems, no matter how well designed, have inherent limitations. Therefore, even those systems determined to be effective can provide only reasonable assurance with respect to financial statement preparation and presentation. Projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

Under the supervision and with the participation of the Registrants’ management, including their respective principal executive officers and principal financial officers, the Registrants conducted an evaluation of the effectiveness of their internal control over financial reporting based on the framework in Internal Control — Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission. Based on the Registrants’ evaluation under the framework in Internal Control — Integrated Framework (2013), the Registrants’ management has concluded, in each case, that their internal control over financial reporting was effective as of December 31, 2021.

Deloitte & Touche LLP, CenterPoint Energy’s independent registered public accounting firm, has issued an attestation report on the effectiveness of CenterPoint Energy’s internal control over financial reporting as of December 31, 2021 which is set forth below. This report is not applicable to Houston Electric or CERC as they are not accelerated or large accelerated filers.

178

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the Board of Directors and Shareholders of

CenterPoint Energy, Inc.

Houston, Texas

Opinion on Internal Control over Financial Reporting

 We have audited the internal control over financial reporting of CenterPoint Energy, Inc. and subsidiaries (the “Company”) as of December 31, 2021, based on criteria established in Internal Control — Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO). In our opinion, the Company maintained, in all material respects, effective internal control over financial reporting as of December 31, 2021, based on criteria established in Internal Control — Integrated Framework (2013) issued by COSO.

We have also audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the consolidated financial statements as of and for the year ended December 31, 2021, of the Company and our report dated February 22, 2022, expressed an unqualified opinion on those financial statements.

Basis for Opinion

The Company’s management is responsible for maintaining effective internal control over financial reporting and for its assessment of the effectiveness of internal control over financial reporting, included in the accompanying Management’s Annual Report on Internal Control over Financial Reporting. Our responsibility is to express an opinion on the Company’s internal control over financial reporting based on our audit. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audit in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether effective internal control over financial reporting was maintained in all material respects. Our audit included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, testing and evaluating the design and operating effectiveness of internal control based on the assessed risk, and performing such other procedures as we considered necessary in the circumstances. We believe that our audit provides a reasonable basis for our opinion.

Definition and Limitations of Internal Control over Financial Reporting

A company’s internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A company’s internal control over financial reporting includes those policies and procedures that (1) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (2) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (3) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the company’s assets that could have a material effect on the financial statements.

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

/s/ DELOITTE & TOUCHE LLP

Houston, Texas

February 22, 2022

179

Item 9B.Other Information

None.

Item 9C. Disclosure Regarding Foreign Jurisdictions that Prevent Inspections

Not Applicable.

PART III

Item 10.Directors, Executive Officers and Corporate Governance

For CenterPoint Energy, the information called for by Item 10, to the extent not set forth in “Information About Our Executive Officers” in Item 1, will be set forth in the definitive proxy statement relating to CenterPoint Energy’s 2022 annual meeting of shareholders pursuant to SEC Regulation 14A. Such definitive proxy statement relates to a meeting of shareholders involving the election of directors and the portions thereof called for by Item 10 are incorporated herein by reference pursuant to Instruction G to Form 10-K.

For Houston Electric and CERC, the information called for by Item 10 is omitted pursuant to Instruction I(2) to Form 10-K (Omission of Information by Certain Wholly-Owned Subsidiaries).

Item 11.Executive Compensation

For CenterPoint Energy, the information called for by Item 11 will be set forth in the definitive proxy statement relating to CenterPoint Energy’s 2022 annual meeting of shareholders pursuant to SEC Regulation 14A. Such definitive proxy statement relates to a meeting of shareholders involving the election of directors and the portions thereof called for by Item 11 are incorporated herein by reference pursuant to Instruction G to Form 10-K.

For Houston Electric and CERC, the information called for by Item 11 is omitted pursuant to Instruction I(2) to Form 10-K (Omission of Information by Certain Wholly-Owned Subsidiaries).

Item 12.Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters

For CenterPoint Energy, the information called for by Item 12 will be set forth in the definitive proxy statement relating to CenterPoint Energy’s 2022 annual meeting of shareholders pursuant to SEC Regulation 14A. Such definitive proxy statement relates to a meeting of shareholders involving the election of directors and the portions thereof called for by Item 12 are incorporated herein by reference pursuant to Instruction G to Form 10-K.

For Houston Electric and CERC, the information called for by Item 12 is omitted pursuant to Instruction I(2) to Form 10-K (Omission of Information by Certain Wholly-Owned Subsidiaries).

Item 13.Certain Relationships and Related Transactions, and Director Independence

For CenterPoint Energy, the information called for by Item 13 will be set forth in the definitive proxy statement relating to CenterPoint Energy’s 2022 annual meeting of shareholders pursuant to SEC Regulation 14A. Such definitive proxy statement relates to a meeting of shareholders involving the election of directors and the portions thereof called for by Item 13 are incorporated herein by reference pursuant to Instruction G to Form 10-K. See Note 11 for information related to CenterPoint Energy’s affiliate transactions.

For Houston Electric and CERC, the information called for by Item 13 is omitted pursuant to Instruction I(2) to Form 10-K (Omission of Information by Certain Wholly-Owned Subsidiaries).

Item 14.Principal Accounting Fees and Services

For CenterPoint Energy, the information called for by Item 14 will be set forth in the definitive proxy statement relating to CenterPoint Energy’s 2022 annual meeting of shareholders pursuant to SEC Regulation 14A. Such definitive proxy statement relates to a meeting of shareholders involving the election of directors and the portions thereof called for by Item 14 are incorporated herein by reference pursuant to Instruction G to Form 10-K.

180

Aggregate fees billed to Houston Electric and CERC during the year ended December 31, 2021 and 2020 by their principal accounting firm, Deloitte & Touche LLP, are set forth below.

	Year Ended December 31,
	2021				2020
	Houston Electric		CERC		Houston Electric		CERC
Audit fees (1)	$	650,344	$	963,833	$	658,965	$	907,560
Audit-related fees (2)	347,000		152,000		343,000		172,500
Total audit and audit-related fees	997,344		1,115,833		1,001,965		1,080,060
Tax fees	—		—		—		—
All other fees	—		—		—		—
Total fees	$	997,344	$	1,115,833	$	1,001,965	$	1,080,060

(1)For 2021 and 2020, amounts include fees for services provided by the principal accounting firm relating to the integrated audit of financial statements and internal control over financial reporting, statutory audits, attest services, and regulatory filings.

(2)For 2021 and 2020, includes fees for consultations concerning financial accounting and reporting standards and various agreed-upon or expanded procedures related to accounting records to comply with financial accounting or regulatory reporting matters.

Houston Electric and CERC each are not required to have, and do not have, an audit committee.

PART IV

Item 15.Exhibits and Financial Statement Schedules

(a)(1) Financial Statements.

CenterPoint Energy
Report of Independent Registered Public Accounting Firm (PCAOB ID No. 34)	78
Statements of Consolidated Income for the Three Years Ended December 31, 2021	81
Statements of Consolidated Comprehensive Income for the Three Years Ended December 31, 2021	82
Consolidated Balance Sheets as of December 31, 2021 and 2020	83
Statements of Consolidated Cash Flows for the Three Years Ended December 31, 2021	85
Statements of Consolidated Changes in Equity for the Three Years Ended December 31, 2021	86
Houston Electric
Report of Independent Registered Public Accounting Firm (PCAOB ID No. 34)	87
Statements of Consolidated Income for the Three Years Ended December 31, 2021	89
Statements of Consolidated Comprehensive Income for the Three Years Ended December 31, 2020	90
Consolidated Balance Sheets as of December 31, 2021 and 2020	91
Statements of Consolidated Cash Flows for the Three Years Ended December 31, 2021	93
Statements of Consolidated Changes in Equity for the Three Years Ended December 31, 2021	93
CERC
Report of Independent Registered Public Accounting Firm (PCAOB ID No. 34)	95
Statements of Consolidated Income for the Three Years Ended December 31, 2021	97
Statements of Consolidated Comprehensive Income for the Three Years Ended December 31, 2021	98
Consolidated Balance Sheets as of December 31, 2021 and 2020	99
Statements of Consolidated Cash Flows for the Three Years Ended December 31, 2021	101
Statements of Consolidated Changes in Equity for the Three Years Ended December 31, 2021	102
Combined Notes to Consolidated Financial Statements	103

181

The financial statements of Enable Midstream Partners, LP required pursuant to Rule 3-09 of Regulation S-X are included in this filing for CenterPoint Energy as Exhibits 99.1 and 99.2.

(a)(2) Financial Statement Schedules for the Three Years Ended December 31, 2021.

The following schedules are omitted by the Registrants because of the absence of the conditions under which they are required or because the required information is included in the financial statements:

I, II, III, IV and V.

(a)(3) Exhibits.

See Index of Exhibits beginning on page 182, which index also includes the management contracts or compensatory plans or arrangements required to be filed as exhibits to this Form 10-K by Item 601(b)(10)(iii) of Regulation S-K.

Item 16. Form 10-K Summary

    None.

CENTERPOINT ENERGY, INC. AND SUBSIDIARIES

CENTERPOINT ENERGY HOUSTON ELECTRIC, LLC AND SUBSIDIARIES

CENTERPOINT ENERGY RESOURCES CORP. AND SUBSIDIARIES

EXHIBITS TO THE COMBINED ANNUAL REPORT ON FORM 10-K

For Fiscal Year Ended December 31, 2021

INDEX OF EXHIBITS

Exhibits included with this report are designated by a cross (†); all exhibits not so designated are incorporated herein by reference to a prior filing as indicated. Exhibits designated by an asterisk (*) are management contracts or compensatory plans or arrangements required to be filed as exhibits to this Form 10-K by Item 601(b)(10)(iii) of Regulation S-K. The Registrants have not filed the exhibits and schedules to Exhibit 2. The Registrants hereby agree to furnish supplementally a copy of any schedule omitted from Exhibit 2 to the SEC upon request.

The agreements included as exhibits are included only to provide information to investors regarding their terms.  The agreements listed below may contain representations, warranties and other provisions that were made, among other things, to provide the parties thereto with specified rights and obligations and to allocate risk among them, and such agreements should not be relied upon as constituting or providing any factual disclosures about us, any other persons, any state of affairs or other matters.

 

Exhibit Number		Description	Report or Registration Statement	SEC File or Registration Number	Exhibit Reference	CenterPoint Energy	Houston Electric	CERC
2(a)	—	Transaction Agreement dated July 21, 2004 among CenterPoint Energy, Utility Holding, LLC, NN Houston Sub, Inc., Texas Genco Holdings, Inc. (Texas Genco), HPC Merger Sub, Inc. and GC Power Acquisition LLC	CenterPoint Energy’s Form 8-K dated July 21, 2004	1-31447	10.1	X
2(b)	—	Agreement and Plan of Merger, dated as of April 21, 2018, by and among Vectren Corporation, CenterPoint Energy, Inc. and Pacer Merger Sub, Inc.	CenterPoint Energy’s Form 8-K dated April 21, 2018	1-31447	2.1	X

182

Exhibit Number		Description	Report or Registration Statement	SEC File or Registration Number	Exhibit Reference	CenterPoint Energy	Houston Electric	CERC
2(c)(1)	—	Agreement and Plan of Merger among CERC, Houston Lighting and Power Company (“HL&P”), HI Merger, Inc. and NorAm Energy Corp. (“NorAm”) dated August 11, 1996	Houston Industries’ (“HI’s”) Form 8-K dated August 11, 1996	1-7629	2			X
2(c)(2)	—	Amendment to Agreement and Plan of Merger among CERC, HL&P, HI Merger, Inc. and NorAm dated August 11, 1996	Registration Statement on Form S-4	333-11329	2(c)			X
2(d)	—	Agreement and Plan of Merger dated December 29, 2000 merging Reliant Resources Merger Sub, Inc. with and into Reliant Energy Services, Inc.	Registration Statement on Form S-3	333-54526	2			X
2(e)	—	Master Formation Agreement dated March 14, 2013 by and among CenterPoint Energy, Inc., OGE Energy Corp., Bronco Midstream Holdings, LLC and Bronco Midstream Holdings II, LLC.	CenterPoint Energy’s Form 8-K dated March 14, 2013	1-31447	2.1	X		X
2(f)	—	Securities Purchase Agreement, dated as of February 3, 2020, by and among Vectren Utility Services, Inc., PowerTeam Services, LLC and, solely for purposes of Section 10.17 of the Securities Purchase Agreement, Vectren Corporation	CenterPoint Energy’s Form 8-K dated February 3, 2020	1-31447	2.1	X
2(g)	—	Equity Purchase Agreement, dated as of February 24, 2020, by and between CERC Corp. and Athena Energy Services Buyer, LLC	CenterPoint Energy’s Form 8-K dated February 24, 2020	1-31447	2.1	X		X
2(h)	—	Asset Purchase Agreement by and between CenterPoint Energy Resources Corp. and Southern Col Midco, LLC, dated as of April 29, 2021	CenterPoint Energy’s Form 10-Q for the quarter ended March 31, 2021	1-31447	2.4	X		X
3(a)	—	Restated Articles of Incorporation of CenterPoint Energy	CenterPoint Energy’s Form 8-K dated July 24, 2008	1-31447	3.2	X
3(b)	—	Articles of Conversion of Reliant Energy Incorporated	Houston Electric’s Form 8-K dated August 31, 2002	1-3187	3(a)		X
3(c)	—	Restated Certificate of Formation of Houston Electric	Houston Electric’s Form 10-Q for the quarter ended June 30, 2011	1-3187	3.1		X
3(d)	—	Certificate of Incorporation of RERC Corp.	CERC Form 10-K for the year ended December 31, 1997	1-13265	3(a)(1)			X
3(e)	—	Certificate of Merger merging former NorAm Energy Corp. with and into HI Merger, Inc. dated August 6, 1997	CERC Form 10-K for the year ended December 31, 1997	1-13265	3(a)(2)			X

183

Exhibit Number		Description	Report or Registration Statement	SEC File or Registration Number	Exhibit Reference	CenterPoint Energy	Houston Electric	CERC
3(f)	—	Certificate of Amendment changing the name to Reliant Energy Resources Corp.	CERC Form 10-K for the year ended December 31, 1998	1-13265	3(a)(3)			X
3(g)	—	Certificate of Amendment changing the name to CenterPoint Energy Resources Corp.	CERC Form 10-Q for the quarter ended June 30, 2003	1-13265	3(a)(4)			X
3(h)	—	Third Amended and Restated Bylaws of CenterPoint Energy	CenterPoint Energy’s Form 8-K dated February 21, 2017	1-31447	3.1	X
3(i)	—	Amended and Restated Limited Liability Company Agreement of Houston Electric	Houston Electric’s Form 10-Q for the quarter ended June 30, 2011	1-3187	3.2		X
3(j)	—	Bylaws of RERC Corp.	CERC Form 10-K for the year ended December 31, 1997	1-13265	3(b)			X
3(k)	—	Statement of Resolutions Deleting Shares Designated Series A Preferred Stock of CenterPoint Energy	CenterPoint Energy’s Form 10-K for the year ended December 31, 2011	1-31447	3(c)	X
3(l)	—	Statement of Resolution Establishing Series of Shares Designated Series A Fixed-to-Floating Rate Cumulative Redeemable Perpetual Preferred Stock of CenterPoint Energy	CenterPoint Energy’s Form 8-K dated August 22, 2018	1-31447	3.1	X
3(m)	—	Statement of Resolution Establishing Series of Shares designated 7.00% Series B Mandatory Convertible Preferred Stock of CenterPoint Energy	CenterPoint Energy’s Form 8-K dated September 25, 2018	1-31447	3.1	X
3(n)	—	Statement of Resolution Establishing Series of Shares designated Series C Mandatory Convertible Preferred Stock of CenterPoint Energy	CenterPoint Energy’s Form 8-K dated May 6, 2020	1-31447	3.1	X
4(a)	—	Form of CenterPoint Energy Stock Certificate	CenterPoint Energy’s Registration Statement on Form S-4	333-69502	4.1	X
4(b)	—	Form of Certificate representing the Series A Fixed-to-Floating Rate Cumulative Redeemable Perpetual Preferred Stock of CenterPoint Energy	CenterPoint Energy’s Form 8-K dated August 22, 2018	1-31447	4.1	X
4(c)	—	Contribution and Registration Agreement dated December 18, 2001 among Reliant Energy, CenterPoint Energy and the Northern Trust Company, trustee under the Reliant Energy, Incorporated Master Retirement Trust	CenterPoint Energy’s Form 10-K for the year ended December 31, 2001	1-31447	4.3	X

184

Exhibit Number		Description	Report or Registration Statement	SEC File or Registration Number	Exhibit Reference	CenterPoint Energy	Houston Electric	CERC
4(d)(1)	—	Mortgage and Deed of Trust, dated November 1, 1944 between Houston Lighting and Power Company (HL&P) and Chase Bank of Texas, National Association (formerly, South Texas Commercial National Bank of Houston), as Trustee, as amended and supplemented by 20 Supplemental Indentures thereto	HL&P’s Form S-7 filed on August 25, 1977	2-59748	2(b)	X	X
4(d)(2)	—	Twenty-First through Fiftieth Supplemental Indentures to Exhibit 4(d)(1)	HL&P’s Form 10-K for the year ended December 31, 1989	1-3187	4(a)(2)	X	X
4(d)(3)	—	Fifty-First Supplemental Indenture to Exhibit 4(d)(1) dated as of March 25, 1991	HL&P’s Form 10-Q for the quarter ended June 30, 1991	1-3187	4(a)	X	X
4(d)(4)	—	Fifty-Second through Fifty-Fifth Supplemental Indentures to Exhibit 4(d)(1) each dated as of March 1, 1992	HL&P’s Form 10-Q for the quarter ended March 31, 1992	1-3187	4	X	X
4(d)(5)	—	Fifty-Sixth and Fifty-Seventh Supplemental Indentures to Exhibit 4(d)(1) each dated as of October 1, 1992	HL&P’s Form 10-Q for the quarter ended September 30, 1992	1-3187	4	X	X
4(d)(6)	—	Fifty-Eighth and Fifty-Ninth Supplemental Indentures to Exhibit 4(d)(1) each dated as of March 1, 1993	HL&P’s Form 10-Q for the quarter ended March 31, 1993	1-3187	4	X	X
4(d)(7)	—	Sixtieth Supplemental Indenture to Exhibit 4(d)(1) dated as of July 1, 1993	HL&P’s Form 10-Q for the quarter ended June 30, 1993	1-3187	4	X	X
4(d)(8)	—	Sixty-First through Sixty-Third Supplemental Indentures to Exhibit 4(d)(1) each dated as of December 1, 1993	HL&P’s Form 10-K for the year ended December 31, 1993	1-3187	4(a)(8)	X	X
4(d)(9)	—	Sixty-Fourth and Sixty-Fifth Supplemental Indentures to Exhibit 4(d)(1) each dated as of July 1, 1995	HL&P’s Form 10-K for the year ended December 31, 1995	1-3187	4(a)(9)	X	X
4(e)(1)	—	General Mortgage Indenture, dated as of October 10, 2002, between CenterPoint Energy Houston Electric, LLC and JPMorgan Chase Bank, as Trustee	Houston Electric’s Form 10-Q for the quarter ended September 30, 2002	1-3187	4(j)(1)	X	X
4(e)(2)	—	Second Supplemental Indenture to Exhibit 4(e)(1), dated as of October 10, 2002	Houston Electric’s Form 10- Q for the quarter ended September 30, 2002	1-3187	4(j)(3)	X	X

185

Exhibit Number		Description	Report or Registration Statement	SEC File or Registration Number	Exhibit Reference	CenterPoint Energy	Houston Electric	CERC
4(e)(3)	—	Third Supplemental Indenture to Exhibit 4(e)(1), dated as of October 10, 2002	Houston Electric’s Form 10-Q for the quarter ended September 30, 2002	1-3187	4(j)(4)	X	X
4(e)(4)	—	Officer’s Certificates dated October 10, 2002 setting forth the form, terms and provisions of the First through Eighth Series of General Mortgage Bonds	CenterPoint Energy’s Form 10-K for the year ended December 31, 2003	1-31447	4(e)(10)	X	X
4(e)(5)	—	Ninth Supplemental Indenture to Exhibit 4(e)(1), dated as of November 12, 2002	CenterPoint Energy’s Form 10-K for the year ended December 31, 2002	1-31447	4(e)(10)	X	X
4(e)(6)	—	Tenth Supplemental Indenture to Exhibit 4(e)(1), dated as of March 18, 2003	CenterPoint Energy’s Form 8-K dated March 13, 2003	1-31447	4.1	X	X
4(e)(7)	—	Officer’s Certificate dated March 18, 2003 setting forth the form, terms and provisions of the Tenth Series and Eleventh Series of General Mortgage Bonds	CenterPoint Energy’s Form 8-K dated March 13, 2003	1-31447	4.2	X	X
4(e)(8)	—	Eleventh Supplemental Indenture to Exhibit 4(e)(1), dated as of May 23, 2003	CenterPoint Energy’s Form 8-K dated May 16, 2003	1-31447	4.2	X	X
4(e)(9)	—	Officer’s Certificate dated May 23, 2003 setting forth the form, terms and provisions of the Twelfth Series of General Mortgage Bonds	CenterPoint Energy’s Form 8-K dated May 16, 2003	1-31447	4.1	X	X
4(e)(10)	—	Twentieth Supplemental Indenture to Exhibit 4(e)(1), dated as of December 9, 2008	Houston Electric’s Form 8-K dated January 6, 2009	1-3187	4.2	X	X
4(e)(11)	—	Twenty-Second Supplemental Indenture to Exhibit 4(e)(1) dated as of August 10, 2012	CenterPoint Energy’s Form 10-K for the year ended December 31, 2012	1-31447	4(e)(33)	X	X
4(e)(12)	—	Officer’s Certificate, dated August 10, 2012 setting forth the form, terms and provisions of the Twenty-Second Series of General Mortgage Bonds	CenterPoint Energy’s Form 10-K for the year ended December 31, 2012	1-31447	4(e)(34)	X	X
4(e)(13)	—	Twenty-Third Supplemental Indenture to Exhibit 4(e)(1) dated as of March 17, 2014	CenterPoint Energy’s Form 10-Q for the quarter ended March 31, 2014	1-31447	4.10	X	X
4(e)(14)	—	Officer’s Certificate, dated as of March 17, 2014, setting forth the form, terms and provisions of the Twenty-Third Series of General Mortgage Bonds	CenterPoint Energy’s Form 10-Q for the quarter ended March 31, 2014	1-31447	4.11	X	X

186

Exhibit Number		Description	Report or Registration Statement	SEC File or Registration Number	Exhibit Reference	CenterPoint Energy	Houston Electric	CERC
4(e)(15)	—	Twenty-Fourth Supplemental Indenture to Exhibit 4(e)(1) dated as of May 18, 2016	CenterPoint Energy’s Form 10-Q for the quarter ended June 30, 2016	1-31447	4.5	X	X
4(e)(16)	—	Officer’s Certificate, dated as of May 18, 2016, setting forth the form, terms and provisions of the Twenty-Fifth Series of General Mortgage Bonds	CenterPoint Energy’s Form 10-Q for the quarter ended June 30, 2016	1-31447	4.6	X	X
4(e)(17)	—	Twenty-Fifth Supplemental Indenture to Exhibit 4(e)(1) dated as of August 11, 2016	CenterPoint Energy’s Form 10-Q for the quarter ended September 30, 2016	1-31447	4.5	X	X
4(e)(18)	—	Officer’s Certificate, dated as of August 11, 2016, setting forth the form, terms and provisions of the Twenty-Sixth Series of General Mortgage Bonds	CenterPoint Energy’s Form 10-Q for the quarter ended September 30, 2016	1-31447	4.6	X	X
4(e)(19)	—	Twenty-Sixth Supplemental Indenture to Exhibit 4(e)(1) dated as of January 12, 2017	CenterPoint Energy’s Form 10-K for the year ended December 31, 2016	1-31447	4(e)(41)	X	X
4(e)(20)	—	Officer’s Certificate, dated as of January 12, 2017, setting forth the form, terms and provisions of the Twenty-Seventh Series of General Mortgage Bonds	CenterPoint Energy’s Form 10-K for the year ended December 31, 2016	1-31447	4(e)(42)	X	X
4(e)(21)	—	Twenty-Seventh Supplemental Indenture to Exhibit 4(e)(1) dated as of February 28, 2018	CenterPoint Energy’s Form 10-Q for the quarter ended March 30, 2018	1-31447	4.9	X	X
4(e)(22)	—	Officer’s Certificate, dated as of February 28, 2018, setting forth the form, terms and provisions of the Twenty-Eighth Series of General Mortgage Bonds	CenterPoint Energy’s Form 10-Q for the quarter ended March 30, 2018	1-31447	4.10	X	X
4(e)(23)	—	Twenty-Eighth Supplemental Indenture to Exhibit 4(e)(1) dated as of January 15, 2019	Houston Electric’s Form 8-K dated January 10, 2019	1-3187	4.4	X	X
4(e)(24)	—	Officer’s Certificate, dated as of January 15, 2019, setting forth the form, terms and provisions of the Twenty-Ninth Series of General Mortgage Bonds	CenterPoint Energy’s Form 10-K for the year ended December 31, 2018	1-31447	4(h)(24)	X	X
4(e)(25)	—	Twenty-Ninth Supplemental Indenture to Exhibit 4(e)(1) dated as of June 5, 2020	Houston Electric’s Form 8-K dated June 2, 2020	1-3187	4.4	X	X
4(e)(26)	—	Officer’s Certificate, dated as of June 5, 2020, setting forth the form, terms and provisions of the Thirtieth Series of General Mortgage Bonds	CenterPoint Energy’s Form 10-Q for the quarter ended June 30, 2020	1-31447	4.26	X	X

187

Exhibit Number		Description	Report or Registration Statement	SEC File or Registration Number	Exhibit Reference	CenterPoint Energy	Houston Electric	CERC
4(e)(27)	—	Thirtieth Supplemental Indenture to Exhibit 4(e)(1), dated as of March 11, 2021	Houston Electric’s Form 8-K dated March 8, 2021	1-3187	4.4	X	X
4(e)(28)	—	Officer’s Certificate, dated as of March 11, 2021, setting forth the form, terms and provisions of the Thirty-First and Thirty-Second Series of General Mortgage Bonds	CenterPoint Energy’s Form 10-Q for the quarter ended March 31, 2021	1-31447	4.22	X	X
4(f)(1)	—	Indenture, dated as of February 1, 1998, between Reliant Energy Resources Corp. (RERC Corp.) and Chase Bank of Texas, National Association, as Trustee	CERC Corp.’s Form 8-K dated February 5, 1998	1-13265	4.1	X		X
4(f)(2)	—	Supplemental Indenture No. 10 to Exhibit 4(f)(1), dated as of February 6, 2007, providing for the issuance of CERC Corp.’s 6.25% Senior Notes due 2037	CenterPoint Energy’s Form 10-K for the year ended December 31, 2006	1-31447	4(f)(11)	X		X
4(f)(3)	—	Supplemental Indenture No. 12 to Exhibit 4(f)(1) dated as of October 23, 2007, providing for the issuance of CERC Corp.’s 6.625% Senior Notes due 2037	CenterPoint Energy’s Form 10-Q for the quarter ended June 30, 2008	1-31447	4.9	X		X
4(f)(4)	—	Supplemental Indenture No. 14 to Exhibit 4(f)(1) dated as of January 11, 2011, providing for the issuance of CERC Corp.’s 4.50% Senior Notes due 2021 and 5.85% Senior Notes due 2041	CenterPoint Energy’s Form 10-K for the year ended December 31, 2010	1-31447	4(f)(15)	X		X
4(f)(5)	—	Supplemental Indenture No. 16 to Exhibit 4(f)(1) dated as of August 23, 2017, providing for the issuance of CERC Corp.’s 4.10% Senior Notes due 2047	CenterPoint Energy’s Form 10-Q for the quarter ended September 30, 2017	1-31447	4.11	X		X
4(f)(6)	—	Supplemental Indenture No. 17 to Exhibit 4(f)(1) dated as of March 28, 2018, providing for the issuance of CERC Corp.’s 3.55% Senior Notes due 2023 and 4.00% Senior Notes due 2028	CERC’s Form 10-Q for the quarter ended March 31, 2018	1-13265	4.4	X		X
4(f)(7)	—	Supplemental Indenture No. 18 to Exhibit 4(f)(1), dated as of October 1, 2020, providing for the issuance of CERC Corp.’s 1.75% Senior Notes due 2030	CenterPoint Energy’s Form 10-Q for the quarter ended September 30, 2020	1-31447	4.23	X		X
4(f)(8)	—	Supplemental Indenture No. 19 to Exhibit 4(f)(1), dated as of March 2, 2021, providing for the issuance of CERC’s Corp.’s Floating Rate Senior Notes due 2023	CenterPoint Energy’s Form 10-Q for the quarter ended March 31, 2021	1-31447	4.18	X		X

188

Exhibit Number		Description	Report or Registration Statement	SEC File or Registration Number	Exhibit Reference	CenterPoint Energy	Houston Electric	CERC
4(f)(9)	—	Supplemental Indenture No. 20 to Exhibit 4(f)(1), dated as of March 2, 2021, providing for the issuance of CERC Corp.’s 0.70% Senior Notes due 2023	CenterPoint Energy’s Form 10-Q for the quarter ended March 31, 2021	1-31447	4.19	X		X
4(g)(1)	—	Indenture, dated as of May 19, 2003, between CenterPoint Energy and JPMorgan Chase Bank, as Trustee	CenterPoint Energy’s Form 8-K dated May 19, 2003	1-31447	4.1	X
4(g)(2)	—	Supplemental Indenture No. 9 to Exhibit 4(g)(1), dated as of August 10, 2017, providing for the issuance of CenterPoint Energy’s 2.50% Senior Notes due 2022	CenterPoint Energy’s Form 10-Q for the quarter ended September 30, 2017	1-31447	4.9	X
4(g)(3)	—	Supplemental Indenture No. 10 to Exhibit 4(g)(1), dated as of October 5, 2018, providing for the issuance of CenterPoint Energy’s 3.60% Senior Notes due 2021, 3.85% Senior Notes due 2024 and 4.25% Senior Notes due 2028	CenterPoint Energy’s Form 10-Q for the quarter ended September 30, 2018	1-31447	4.14	X
4(g)(4)	—	Supplemental Indenture No. 11 to Exhibit 4(g)(1), dated as of August 14, 2019, providing for the issuance of CenterPoint Energy’s 2.50% Senior Notes due 2024, 2.95% Senior Notes due 2030 and 3.70% Senior Notes due 2049	CenterPoint Energy’s Form 10-Q for the quarter ended September 30, 2019	1-31447	4.2	X
4(g)(5)	—	Supplemental Indenture No. 12 to Exhibit 4(g)(1), dated as of May 13, 2021, providing for the issuance of CenterPoint Energy’s Floating Rate Senior Notes due 2024	CenterPoint Energy’s Form 10-Q for the quarter ended June 30, 2021	1-31447	4.24	X
4(g)(6)	—	Supplemental Indenture No. 13 to Exhibit 4(g)(1), dated as of May 13, 2021, providing for the issuance of CenterPoint Energy’s 1.45% Senior Notes due 2026 and 2.65% Senior Notes due 2031	CenterPoint Energy’s Form 10-Q for the quarter ended June 30, 2021	1-31447	4.25	X
4(h)(1)	—	Subordinated Indenture dated as of September 1, 1999	Reliant Energy’s Form 8-K dated September 1, 1999	1-3187	4.1	X
4(h)(2)	—	Supplemental Indenture No. 1 dated as of September 1, 1999, between Reliant Energy and Chase Bank of Texas (supplementing Exhibit 4(h)(1) and providing for the issuance Reliant Energy’s 2% Zero-Premium Exchangeable Subordinated Notes Due 2029)	Reliant Energy’s Form 8-K dated September 15, 1999	1-3187	4.2	X

189

Exhibit Number		Description	Report or Registration Statement	SEC File or Registration Number	Exhibit Reference	CenterPoint Energy	Houston Electric	CERC
4(h)(3)	—	Supplemental Indenture No. 2 dated as of August 31, 2002, between CenterPoint Energy, Reliant Energy and JPMorgan Chase Bank (supplementing Exhibit 4(h)(1))	CenterPoint Energy’s Form 8-K12B dated August 31, 2002	1-31447	4(e)	X
4(h)(4)	—	Supplemental Indenture No. 3 dated as of December 28, 2005, between CenterPoint Energy, Reliant Energy and JPMorgan Chase Bank (supplementing Exhibit 4(h)(1))	CenterPoint Energy’s Form 10-K for the year ended December 31, 2005	1-31447	4(h)(4)	X
4(i)	—	$2,400,000,000 Amended and Restated Credit Agreement dated as of February 4, 2021 among CenterPoint Energy, as Borrower, JPMorgan Chase Bank, N.A., as Administrative Agent, the financial institutions as bank parties thereto and the other parties thereto	CenterPoint Energy’s Form 8-K dated February 4, 2021	1-31447	4.1	X
4(j)	—	$300,000,000 Credit Agreement dated as of February 4, 2021 among Houston Electric, as Borrower, Mizuho Bank, Ltd., as Administrative Agent, the financial institutions as bank parties thereto and the other parties thereto	CenterPoint Energy’s Form 8-K dated February 4, 2021	1-31447	4.2	X	X
4(k)	—	$900,000,000 Credit Agreement dated as of February 4, 2021 among CERC Corp., as Borrower, Wells Fargo Bank, National Association, as Administrative Agent, the financial institutions as bank parties thereto and the other parties thereto	CenterPoint Energy’s Form 8-K dated February 4, 2021	1-31447	4.3	X		X
4(l)	—	$400,000,000 Credit Agreement dated as of February 4, 2021 among Vectren Utility $400,000,000 Credit Agreement dated as of February 4, 2021 among VUHI, as Borrower, Indiana Gas, SIGECO and VEDO, as guarantors, Bank of America, N.A., as Administrative Agent, the financial institutions as bank parties thereto and the other parties thereto , Inc., as Borrower, Indiana Gas Company, Inc., Southern Indiana Gas and Electric Company and Vectren Energy Delivery of Ohio, Inc. as guarantors, Bank of America, N.A., as Administrative Agent, the financial institutions as bank parties thereto and the other parties thereto	CenterPoint Energy’s Form 8-K dated February 4, 2021	1-31447	4.4	X

190

Exhibit Number		Description	Report or Registration Statement	SEC File or Registration Number	Exhibit Reference	CenterPoint Energy	Houston Electric	CERC
4(m)(1)	—	Mortgage and Deed of Trust dated as of April 1, 1932 between SIGECO and Bankers Trust Company, as Trustee, as amended and supplemented by 28 Supplemental Indentures thereto	Post-Effective Amendment No. 1   Form 8-K dated June 1, 1984   Form 8-K dated March 24, 1986 Form 8-K dated June 3, 1986	2-2536 2-62032 2-88923 1-3553 1-3553 1-3553	B-1, B-2 (b)(4)(ii) 4(b)(2) 4 4-A 4	X X X X X X
4(m)(2)	—	Additional Supplemental Indentures to Exhibit 4(m)(1)				X
		Date as of	File Reference	Exhibit No.
		July 1, 1985	1-3553, SIGECO’s Form 10-K for the fiscal year 1985	4-A
		November 1, 1985	1-3553, SIGECO’s Form 10-K for the fiscal year 1985	4-A
		November 15, 1986	1-3553, SIGECO’s Form 10-K for the fiscal year 1986	4-A
		January 15, 1987	1-3553, SIGECO’s Form 10-K for the fiscal year 1986	4-A
		December 15, 1987	1-3553, SIGECO’s Form 10-K for the fiscal year 1987	4-A
		December 13, 1990	1-3553, SIGECO’s Form 10-K for the fiscal year 1990	4-A
		April 1, 1993	1-3553, SIGECO’s Form 8-K dated April 13, 1993	4
		June 1, 1993	1-3553, SIGECO’s Form 8-K dated June 14, 1993	4
		May 1, 1993	1-3553, SIGECO’s Form 10-K for the fiscal year 1993	4(a)
		July 1, 1999	1-3553, SIGECO’s Form 10-Q for the quarter ended June 30, 1999	4(a)
		March 1, 2000	1-15467, Vectren’s Form 10-K for the year ended December 31, 2001	4.1
		August 1, 2004	1-15467, Vectren’s Form 10-K for the year ended December 31, 2004	4.1
		October 1, 2004	1-15467, Vectren’s Form 10-K for the year ended December 31, 2004	4.2
		April 1, 2005	1-15467, Vectren’s Form 10-K for the year ended December 31, 2007	4.1

191

Exhibit Number		Description	Report or Registration Statement	SEC File or Registration Number	Exhibit Reference	CenterPoint Energy	Houston Electric	CERC
		Date as of	File Reference	Exhibit No.
		March 1, 2006	1-15467, Vectren’s Form 10-K for the year ended December 31, 2007	4.2
		December 1, 2007	1-15467, Vectren’s Form 10-K for the year ended December 31, 2007	4.3
		August 1, 2009	1-15467, Vectren’s Form 10-K for the year ended December 31, 2009	4.1
		April 1, 2013	1-15467, Vectren’s Form 8-K dated April 30, 2013	4.1
		September 1, 2014	1-15467, Vectren’s Form 8-K dated September 25, 2014	4.1
		September 1, 2015	1-15467, Vectren’s Form 8-K dated September 10, 2015	4.1
4(n)(1)	—	Indenture dated February 1, 1991 between Indiana Gas Company, Inc. and U.S Bank Trust National Association (formerly known as First Trust National Association, which was formerly known as Bank of America Illinois, which was formerly known as Continental Bank, National Association)	Indiana Gas’s Form 8-K filed February 15, 1991	1-6494	4(a)	X
4(n)(2)	—	First Supplemental Indenture to Exhibit 4(n)(1), dated as of February 15, 1991	Indiana Gas’s Form 8-K filed February 15, 1991	1-6494	4(b)	X
4(n)(3)	—	Second Supplemental Indenture to Exhibit 4(n)(1), dated as of September 15, 1991	Indiana Gas’s Form 8-K filed September 25, 1991	1-6494	4(b)	X
4(n)(4)	—	Third Supplemental Indenture to Exhibit 4(n)(1), dated as of September 15, 1991	Indiana Gas’s Form 8-K filed September 25, 1991	1-6494	4(c)	X
4(n)(5)	—	Fourth Supplemental Indenture to Exhibit 4(n)(1), dated as of December 2, 1992	Indiana Gas’s Form 8-K filed December 8, 1992	1-6494	4(b)	X
4(n)(6)	—	Fifth Supplemental Indenture to Exhibit 4(n)(1), dated as of December 28, 2000	Indiana Gas’s Form 8-K filed December 27, 2000	1-6494	4	X
4(o)(1)	—	Indenture dated October 19, 2001, among VUHI, Indiana Gas, SIGECO, VEDO and U.S. Bank Trust National Association	VUHI’s Form 8-K dated October 19, 2001	1-16739	4.1	X
4(o)(2)	—	First Supplemental Indenture to Exhibit 4(o)(1), dated October 19, 2001	VUHI’s Form 8-K dated October 19, 2001	1-16739	4.2	X

192

Exhibit Number		Description	Report or Registration Statement	SEC File or Registration Number	Exhibit Reference	CenterPoint Energy	Houston Electric	CERC
4(o)(3)	—	Second Supplemental Indenture to Exhibit 4(o)(1)	VUHI’s Form 8-K dated November 29, 2001	1-16739	4.1	X
4(o)(4)	—	Third Supplemental Indenture to 4(o)(1), dated July 29, 2003	VUHI’s Form 8-K dated July 24, 2003	1-16739	4.1	X
4(o)(5)	—	Fourth Supplemental Indenture to Exhibit 4(o)(1), dated November 21, 2005	VUHI’s Form 8-K dated November 18, 2005	1-16739	4.1	X
4(o)(6)	—	Form of Fifth Supplemental Indenture to Exhibit 4(o)(1), dated October 18, 2006	VUHI’s Form 8-K dated October 16, 2006	1-16739	4.1	X
4(o)(7)	—	Sixth Supplemental Indenture to Exhibit 4(o)(1), dated March 10, 2008	VUHI’s Form 8-K dated March 10, 2008	1-16739	4.1	X
4(p)	—	Note Purchase Agreement, dated April 5, 2011, among VUHI, Indiana Gas, SIGECO and VEDO and the purchasers named therein	Vectren’s Form 8-K dated April 8, 2011	1-15467	4.1	X
4(q)	—	Note Purchase Agreement, dated November 15, 2011, among VUHI, Indiana Gas, SIGECO and VEDO and the purchasers named therein	Vectren’s Form 8-K dated November 17, 2011	1-15467	4.1	X
4(r)	—	Note Purchase Agreement, dated December 20, 2012, among VUHI, Indiana Gas, SIGECO and VEDO and the purchasers named therein	Vectren’s Form 8-K dated December 21, 2012	1-15467	4.1	X
4(s)	—	Note Purchase Agreement, dated August 22, 2013, among VUHI, Indiana Gas, SIGECO and VEDO and the purchasers named therein	Vectren’s Form 8-K dated August 22, 2013	1-15467	4.1	X
4(t)	—	Note Purchase Agreement, dated June 11, 2015, among VUHI, Indiana Gas, SIGECO and VEDO and the purchasers named therein	Vectren’s Form 8-K dated June 12, 2015	1-15467	4.1	X
4(u)	—	Bond Purchase and Covenants Agreement, dated September 14, 2017, between SIGECO and PNC Bank, National Association	Vectren’s Form 8-K dated September 25, 2017	1-15467	4.1	X
4(v)	—	Joinder and First Amendment to Bond Purchase and Covenants Agreement dated March 1, 2018 among SIGECO, the lenders party thereto and PNC Bank, National Association	Vectren’s Form 8-K dated May 3, 2018	1-15467	4.1	X
4(w)	—	Second Amendment to Bond Purchase and Covenants Agreement dated May 1, 2018 among SIGECO, the lenders party thereto and PNC Bank, National Association	Vectren’s Form 8-K dated May 3, 2018	1-15467	4.2	X

193

Exhibit Number		Description	Report or Registration Statement	SEC File or Registration Number	Exhibit Reference	CenterPoint Energy	Houston Electric	CERC
†4(x)	—	Description of CenterPoint Energy’s Securities				X
†4(y)	—	Description of Houston Electric’s Securities					X
†4(z)	—	Description of CERC’s Securities						X

Pursuant to Item 601(b)(4)(iii)(A) of Regulation S-K, the Registrants have not filed as exhibits to this Form 10-K certain long-term debt instruments, including indentures, under which the total amount of securities authorized does not exceed 10% of the total assets of the Registrants and its subsidiaries on a consolidated basis. The Registrants hereby agree to furnish a copy of any such instrument to the SEC upon request.

Exhibit Number		Description	Report or Registration Statement	SEC File or Registration Number	Exhibit Reference	CenterPoint Energy	Houston Electric	CERC
*10(a)	—	CenterPoint Energy, Inc. 1991 Benefit Restoration Plan, as amended and restated effective as of February 25, 2011	CenterPoint Energy’s Form 10-Q for the quarter ended March 31, 2011	1-31447	10.3	X
*10(b)(1)	—	CenterPoint Energy Benefit Restoration Plan, effective as of January 1, 2008	CenterPoint Energy’s Form 8-K dated December 22, 2008	1-31447	10.1	X
*10(b)(2)	—	First Amendment to Exhibit 10(b)(1), effective as of February 25, 2011	CenterPoint Energy’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2011	1-31447	10.4	X
*10(c)	—	CenterPoint Energy 1985 Deferred Compensation Plan, as amended and restated effective January 1, 2003	CenterPoint Energy’s Form 10-Q for the quarter ended September 30, 2003	1-31447	10.1	X
*10(d)(1)	—	Amended and Restated CenterPoint Energy, Inc. 1991 Savings Restoration Plan, effective as of January 1, 2008	CenterPoint Energy’s Form 8-K dated December 22, 2008	1-31447	10.4	X
*10(d)(2)	—	First Amendment to Exhibit 10(d)(1), effective as of February 25, 2011	CenterPoint Energy’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2011	1-31447	10.5	X
*10(e)(1)	—	CenterPoint Energy Savings Restoration Plan, effective as of January 1, 2008	CenterPoint Energy’s Form 8-K dated December 22, 2008	1-31447	10.3	X
*10(e)(2)	—	First Amendment to Exhibit 10(e)(1), effective as of February 25, 2011	CenterPoint Energy’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2011	1-31447	10.6	X

194

Exhibit Number		Description	Report or Registration Statement	SEC File or Registration Number	Exhibit Reference	CenterPoint Energy	Houston Electric	CERC
*10(e)(3)		Second Amendment to Exhibit 10(b)(1), effective as of January 1, 2020	CenterPoint Energy’s Form 8-K dated December 9, 2019	1-31447	10.1	X
*10(f)	—	CenterPoint Energy Executive Life Insurance Plan, as amended and restated effective June 18, 2003	CenterPoint Energy’s Form 10-Q for the quarter ended September 30, 2003	1-31447	10.5	X
10(g)(1)	—	Stockholder’s Agreement dated as of July 6, 1995 between Houston Industries Incorporated and Time Warner Inc.	Schedule 13-D dated July 6, 1995	5-19351	2	X
10(g)(2)	—	Amendment to Exhibit 10(g)(1) dated November 18, 1996	HI’s Form 10-K for the year ended December 31, 1996	1-7629	10(x)(4)	X
10(h)(1)	—	Master Separation Agreement entered into as of December 31, 2000 between Reliant Energy, Incorporated and Reliant Resources, Inc.	Reliant Energy’s Form 10-Q for the quarter ended March 31, 2001	1-3187	10.1	X
10(h)(2)	—	First Amendment to Exhibit 10(h)(1) effective as of February 1, 2003	CenterPoint Energy’s Form 10-K for the year ended December 31, 2002	1-31447	10(bb)(5)	X
10(h)(3)	—	Employee Matters Agreement, entered into as of December 31, 2000, between Reliant Energy, Incorporated and Reliant Resources, Inc.	Reliant Energy’s Form 10-Q for the quarter ended March 31, 2001	1-3187	10.5	X
10(h)(4)	—	Retail Agreement, entered into as of December 31, 2000, between Reliant Energy, Incorporated and Reliant Resources, Inc.	Reliant Energy’s Form 10-Q for the quarter ended March 31, 2001	1-3187	10.6	X
10(h)(5)	—	Tax Allocation Agreement, entered into as of December 31, 2000, between Reliant Energy, Incorporated and Reliant Resources, Inc.	Reliant Energy’s Form 10-Q for the quarter ended March 31, 2001	1-3187	10.8	X
10(i)(1)	—	Separation Agreement entered into as of August 31, 2002 between CenterPoint Energy and Texas Genco	CenterPoint Energy’s Form 10-K for the year ended December 31, 2002	1-31447	10(cc)(1)	X
10(i)(2)	—	Transition Services Agreement, dated as of August 31, 2002, between CenterPoint Energy and Texas Genco	CenterPoint Energy’s Form 10-K for the year ended December 31, 2002	1-31447	10(cc)(2)	X
10(i)(3)	—	Tax Allocation Agreement, dated as of August 31, 2002, between CenterPoint Energy and Texas Genco	CenterPoint Energy’s Form 10-K for the year ended December 31, 2002	1-31447	10(cc)(3)	X

195

Exhibit Number		Description	Report or Registration Statement	SEC File or Registration Number	Exhibit Reference	CenterPoint Energy	Houston Electric	CERC
*10(j)(1)	—	CenterPoint Energy, Inc. Deferred Compensation Plan, as amended and restated effective January 1, 2003	CenterPoint Energy’s Form 10-Q for the quarter ended June 30, 2003	1-31447	10.2	X
*10(j)(2)	—	First Amendment to Exhibit 10(j)(1) effective as of January 1, 2008	CenterPoint Energy’s Form 8-K dated February 20, 2008	1-31447	10.4	X
*10(k)(1)	—	CenterPoint Energy 2005 Deferred Compensation Plan, effective January 1, 2008	CenterPoint Energy’s Form 8-K dated February 20, 2008	1-31447	10.3	X
*10(k)(2)	—	Amended and Restated CenterPoint Energy 2005 Deferred Compensation Plan, effective January 1, 2009	CenterPoint Energy’s Form 10-Q for the quarter ended September 30, 2008	1-31447	10.1	X
†*10(l)	—	CenterPoint Energy Inc., Short Term Incentive Plan, as amended and restated effective January 1, 2022				X
*10(m)(1)	—	Amended and Restated CenterPoint Energy Stock Plan for Outside Directors	CenterPoint Energy’s Form 10-Q for the quarter ended March 31, 2018	1-31447	10.1	X
*10(m)(2)		First Amendment to Exhibit 10(m)(1), dated as of February 19, 2020	CenterPoint Energy’s Form 10-K for the year ended December 31, 2019	1-31447	10(n)(2)	X
10(n)	—	City of Houston Franchise Ordinance	CenterPoint Energy’s Form 10-Q for the quarter ended June 30, 2005	1-31447	10.1	X	X
10(o)(1)	—	Amended and Restated HL&P Executive Incentive Compensation Plan effective as of January 1, 1985	CenterPoint Energy’s Form 10-Q for the quarter ended September 30, 2008	1-31447	10.2	X
10(o)(2)	—	First Amendment to Exhibit 10(o)(1) effective as of January 1, 2008	CenterPoint Energy’s Form 10-Q for the quarter ended September 30, 2008	1-31447	10.3	X
*10(p)(1)	—	CenterPoint Energy, Inc. 2009 Long Term Incentive Plan	CenterPoint Energy’s Schedule 14A dated March 13, 2009	1-31447	A	X
*10(p)(2)	—	Form of Performance Award Agreement for 20XX - 20XX Performance Cycle under Exhibit 10(p)(1)	CenterPoint Energy’s Form 10-K for the year ended December 31, 2019	1-31447	10(q)(2)	X

196

Exhibit Number		Description	Report or Registration Statement	SEC File or Registration Number	Exhibit Reference	CenterPoint Energy	Houston Electric	CERC
*10(p)(3)	—	Form of Performance Award Agreement for Executive Chairman 20XX - 20XX Performance Cycle under Exhibit 10(p)(1)	CenterPoint Energy’s Form 10-Q for the quarter ended March 31, 2018	1-31447	10.4	X
*10(p)(4)	—	Form of Restricted Stock Unit Award Agreement (With Performance Goal) under Exhibit 10(p)(1)	CenterPoint Energy’s Form 8-K dated February 28, 2012	1-31447	10.2	X
*10(p)(5)	—	Form of Restricted Stock Unit Award Agreement (Service-Based Vesting) under Exhibit 10(p)(1)	CenterPoint Energy’s Form 10-K for the year ended December 31, 2019	1-31447	10(q)(5)	X
*10(p)(6)	—	Form of Restricted Stock Unit Award Agreement (Retention, Service-Based Vesting) under Exhibit 10(p)(1)	CenterPoint Energy’s Form 8-K dated June 30, 2020	1-31447	10.4	X
*10(p)(7)	—	Form of Executive Chairman Restricted Stock Unit Award Agreement (Service-Based Vesting) under Exhibit 10(p)(1)	CenterPoint Energy’s Form 10-Q for the quarter ended March 31, 2018	1-31447	10.7	X
*10(p)(8)	—	Form of Performance Award Agreement for the Chief Executive Officer under Exhibit 10(p)(1)	CenterPoint Energy’s Form 8-K dated June 30, 2020	1-31447	10.2	X
*10(p)(9)	—	Form of Restricted Stock Unit Award Agreement for the Chief Executive Officer under Exhibit 10(p)(1)	CenterPoint Energy’s Form 8-K dated June 30, 2020	1-31447	10.3	X
*10(p)(10)	—	Form of Award Agreement for Performance Share Units for Named Executive Officers (Separation) under Exhibit 10(p)(1)	CenterPoint Energy’s Form 8-K/A dated June 30, 2020	1-31447	10.1	X
*10(p)(11)	—	Form of Award Agreement for Restricted Stock Units for Named Executive Officers (Separation) under Exhibit 10(p)(1)	CenterPoint Energy’s Form 8-K/A dated June 30, 2020	1-31447	10.2	X
*10(p)(12)	—	Form of Restricted Stock Unit Award Agreement (Service-Based Vesting with Performance Goals) under Exhibit 10(p)(1)	CenterPoint Energy’s Form 10-K for the year ended December 31, 2020	1-31447	10(q)(12)	X
*10(p)(13)	—	Form of Restricted Stock Unit Award Agreement for CEO (Service-Based Vesting with Performance Goals) under Exhibit 10(p)(1)	CenterPoint Energy’s Form 10-K for the year ended December 31, 2020	1-31447	10(q)(13)	X
*10(p)(14)	—	Form of Restricted Stock Unit Award Agreement (Fully Vested) under Exhibit 10(p)(1)	CenterPoint Energy’s Form 8-K/A dated February 19, 2020	1-31447	10.1	X
*10(p)(15)	—	Form of Restricted Stock Unit Award Agreement for the Chief Executive Officer under Exhibit 10(p)(1)	CenterPoint Energy’s Form 8-K dated July 20, 2021	1-31447	10.1	X

197

Exhibit Number		Description	Report or Registration Statement	SEC File or Registration Number	Exhibit Reference	CenterPoint Energy	Houston Electric	CERC
*10(q)(1)	—	Change in Control Plan	CenterPoint Energy’s Form 8-K dated April 27, 2017	1-31447	10.1	X
*10(q)(2)	—	First Amendment to Exhibit 10(q)(1)	CenterPoint Energy’s Form 10-K for the year ended December 31, 2020	1-31447	10(t)(2)	X
†*10(q)(3)	—	Second Amendment to Exhibit 10(q)(1)				X
*10(r)	—	Omnibus Amendment to CenterPoint Energy, Inc. Benefit Plans, dated May 23, 2013	CenterPoint Energy’s Form 10-K for the year ended December 31, 2013	1-31447	10(zz)	X
*10(s)	—	Vectren Non-Qualified Deferred Compensation Plan, as amended and restated effective January 1, 2001	Vectren’s Form 10-K for the year end December 31, 2001	1-15467	10.32	X
*10(t)	—	Vectren Corporation Non-Qualified Deferred Compensation Plan, effective January 1, 2005	Vectren’s Form 8-K dated September 29, 2008	1-15467	10.3	X
*10(u)	—	Vectren Nonqualified Defined Benefit Restoration Plan, as amended and restated effective January 1, 2005	Vectren’s Form 8-K dated December 17, 2008	1-15467	10.2	X
*10(v)	—	Vectren specimen change in control agreement dated December 31, 2011	Vectren’s Form 8-K dated January 5, 2012	1-15467	10.1	X
*10(w)	—	Amendment Number One to the Vectren specimen change in control agreement dated December 31, 2012	Vectren’s Form 10-K for the year end December 31, 2012	1-15467	10.1	X
*10(x)	—	Vectren Unfunded Supplemental Retirement Plan for a Select Group of Management Employees (As Amended and Restated Effective January 1, 2005)	Vectren’s Form 8-K dated December 17, 2008	1-15467	10.1	X
*10(y)	—	Vectren Specimen Waiver, effective October 3, 2013, to the Vectren Unfunded Supplemental Retirement Plan for a Select Group of Management Employees	Vectren’s Form 10-Q for the quarter ended September 30, 2013	1-15467	10.1	X
10(z)	—	Offer Letter between CenterPoint Energy and David J. Lesar	CenterPoint Energy’s Form 8-K dated June 30, 2020	1-31447	10.1	X
10(aa)	—	Offer Letter between CenterPoint Energy and Jason P. Wells	CenterPoint Energy’s Form 8-K dated September 15, 2020	1-31447	10.1	X

198

Exhibit Number		Description	Report or Registration Statement	SEC File or Registration Number	Exhibit Reference	CenterPoint Energy	Houston Electric	CERC
10(bb)	—	Form of Registration Rights Agreement, to be dated as of the Closing Date, by and among Energy Transfer LP and certain unitholders of Enable Midstream Partners, LP as set forth on Schedule I thereto	CenterPoint Energy’s Form 8-K dated February 16, 2021	1-31447	10.2	X
10(cc)	—	Retention Incentive Agreement between CenterPoint Energy, Inc. and David J. Lesar, dated July 20, 2021	CenterPoint Energy’s Form 10-Q for the quarter ended June 30, 2021	1-31447	10.8	X
10(dd)	—	Separation Agreement between CenterPoint Energy, Inc. and Milton Carroll, dated July 21, 2021	CenterPoint Energy’s Form 10-Q for the quarter ended June 30, 2021	1-31447	10.9	X
†21	—	Subsidiaries of CenterPoint Energy				X
†23.1.1	—	Consent of Deloitte & Touche LLP				X
†23.1.2	—	Consent of Deloitte & Touche LLP					X
†23.1.3	—	Consent of Deloitte & Touche LLP						X
†23.2	—	Consent of Deloitte & Touche LLP, Independent Registered Public Accounting Firm of Enable Midstream Partners, LP				X
†31.1.1	—	Rule 13a-14(a)/15d-14(a) Certification of David J. Lesar				X
†31.1.2	—	Rule 13a-14(a)/15d-14(a) Certification of Scott E. Doyle					X
†31.1.3	—	Rule 13a-14(a)/15d-14(a) Certification of Scott E. Doyle						X
†31.2.1	—	Rule 13a-14(a)/15d-14(a) Certification of Jason P. Wells				X
†31.2.2	—	Rule 13a-14(a)/15d-14(a) Certification of Jason P. Wells					X
†31.2.3	—	Rule 13a-14(a)/15d-14(a) Certification of Jason P. Wells						X
†32.1.1	—	Section 1350 Certification of David J. Lesar				X
†32.1.2	—	Section 1350 Certification of Scott E. Doyle					X
†32.1.3	—	Section 1350 Certification of Scott E. Doyle						X
†32.2.1	—	Section 1350 Certification of Jason P. Wells				X
†32.2.2	—	Section 1350 Certification of Jason P. Wells					X
†32.2.3	—	Section 1350 Certification of Jason P. Wells						X

199

Exhibit Number		Description	Report or Registration Statement	SEC File or Registration Number	Exhibit Reference	CenterPoint Energy	Houston Electric	CERC
99.1	—	Financial Statements of Enable Midstream Partners, LP as of December 31, 2020 and 2019 and for the years ended December 31, 2020, 2019 and 2018	Part II, Item 8 of Enable Midstream Partners, LP’s Form 10-K for the year ended December 31, 2020	001-36413	Item 8	X
99.2	—	Financial Statements of Enable Midstream Partners, LP as of September 30, 2021 and 2020 and for the three and nine months ended September 30, 2021 and 2020	Part I, Item 1 of Enable Midstream Partners, LP’s Form 10-Q for the quarter ended September 30, 2021	001-36413	Item 1	X
†101.INS	—	Inline XBRL Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document				X	X	X
†101.SCH	—	Inline XBRL Taxonomy Extension Schema Document				X	X	X
†101.CAL	—	Inline XBRL Taxonomy Extension Calculation Linkbase Document				X	X	X
†101.DEF	—	Inline XBRL Taxonomy Extension Definition Linkbase Document				X	X	X
†101.LAB	—	Inline XBRL Taxonomy Extension Labels Linkbase Document				X	X	X
†101.PRE	—	Inline XBRL Taxonomy Extension Presentation Linkbase Document				X	X	X
†104	—	Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101)				X	X	X

200

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the Registrants have duly caused this report to be signed on their behalf by the undersigned, thereunto duly authorized, in the City of Houston, the State of Texas, on the 22th day of February, 2022.

CENTERPOINT ENERGY, INC.

(Registrant)

By:  /s/ David J. Lesar

David J. Lesar

President and Chief Executive Officer

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities indicated on February 22, 2022.

Signature	Title
/s/  DAVID J. LESAR	President, Chief Executive Officer and
David J. Lesar	Director (Principal Executive Officer and Director)
/s/  JASON P. WELLS	Executive Vice President and Chief
Jason P. Wells	Financial Officer (Principal Financial Officer)
/s/  STACEY PETERSON	Senior Vice President and Chief
Stacey Peterson	Accounting Officer (Principal Accounting Officer)
/s/  LESLIE D. BIDDLE	Director
Leslie D. Biddle
/s/  WENDOLYNN MONTOYA CLOONAN	Director
Wendolynn Montoya Cloonan
/s/  EARL M. CUMMINGS	Director
Earl M. Cummings
/s/  RAQUELLE W. LEWIS	Director
Raquelle W. Lewis
/s/  MARTIN H. NESBITT	Director
Martin H. Nesbitt
/s/  THEODORE F. POUND	Director
Theodore F. Pound
/s/  PHILLIP R. SMITH	Director
Phillip R. Smith
/s/  BARRY T. SMITHERMAN	Director
Barry T. Smitherman

201

	CENTERPOINT ENERGY HOUSTON ELECTRIC, LLC
	(Registrant)
By:	/s/ SCOTT E. DOYLE
	Scott E. Doyle
	President and Chief Executive Officer

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities indicated on February 22, 2022.

Signature	Title
/s/ SCOTT E. DOYLE	Manager, President and Chief Executive Officer
(Scott E. Doyle)	(Principal Executive Officer)
/s/ JASON P. WELLS	Executive Vice President and Chief Financial Officer
(Jason P. Wells)	(Principal Financial Officer)
/s/ STACEY PETERSON	Senior Vice President and Chief Accounting Officer
(Stacey Peterson)	(Principal Accounting Officer)

	CENTERPOINT ENERGY RESOURCES CORP.
	(Registrant)
By:	/s/ SCOTT E. DOYLE
	Scott E. Doyle
	President and Chief Executive Officer

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities indicated on February 22, 2022.

Signature	Title
/s/ SCOTT E. DOYLE	Chairman, President and Chief Executive Officer
(Scott E. Doyle)	(Principal Executive Officer and Director)
/s/ JASON P. WELLS	Executive Vice President and Chief Financial Officer
(Jason P. Wells)	(Principal Financial Officer)
/s/ STACEY PETERSON	Senior Vice President and Chief Accounting Officer
(Stacey Peterson)	(Principal Accounting Officer)

202

EX-4.X

Exhibit 4(x)

DESCRIPTION OF CENTERPOINT ENERGY, INC.’S SECURITIES

REGISTERED PURSUANT TO SECTION 12

OF THE SECURITIES EXCHANGE ACT OF 1934

As of December 31, 2021, CenterPoint Energy, Inc. has one class of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”): (1) our common stock, par value $0.01 per share. As used in this Exhibit 4(x), the terms “CenterPoint Energy,” “us,” “we” or “our” refer to CenterPoint Energy, Inc. and not any of its subsidiaries.

CenterPoint Energy, Inc. is authorized to issue up to 1,000,000,000 shares of common stock, par value $0.01 per share, and 20,000,000 shares of preferred stock, par value $0.01 per share.

DESCRIPTION OF OUR COMMON STOCK

The following description of our common stock is a summary and does not purport to be complete. It is subject to and qualified in its entirety by reference to our Restated Articles of Incorporation (“Articles of Incorporation”) and Third Amended and Restated Bylaws (“Bylaws”),each of which are incorporated by reference as an exhibit to the Annual Report on Form 10-K of which this Exhibit 4(x) is a part. We encourage you to read our Articles of Incorporation, our Bylaws and the applicable provisions of the Texas Business Organizations Code (“TBOC”) for additional information.

Voting Rights. Holders of our common stock are entitled to one vote for each share on all matters submitted to a vote of shareholders, including the election of directors. There are no cumulative voting rights. Subject to the voting rights expressly conferred to the holders of our preferred stock, the holders of our common stock possess exclusive full voting power for the election of directors and for all other purposes. Our Bylaws provide that director nominees are elected by the vote of a majority of the votes cast with respect to the director by shareholders entitled to vote at the meeting in an uncontested election. An election is contested if, at a specified time before we file our definitive proxy statement with the SEC, the number of nominees exceeds the number of directors to be elected, in which case directors will be elected by the vote of a plurality of the votes cast by shareholders entitled to vote at the meeting.

Dividends. Subject to preferences that may be applicable to any of our outstanding preferred stock, the holders of our common stock are entitled to dividends when, as and if declared by the board of directors out of funds legally available for that purpose.

Liquidation Rights. If we are liquidated, terminated or wound up, the holders of our common stock will be entitled to a pro rata share in any distribution to shareholders, but only after satisfaction of all of our liabilities and of the prior rights of any outstanding class of our preferred stock, which may include the right to participate further with the holders of our common stock in the distribution of any of our remaining assets.

Preemptive Rights. Holders of our common stock are not entitled to any preemptive or conversion rights or other subscription rights.

Transfer Agent and Registrar. Broadridge Corporate Issuer Solutions, Inc. serves as transfer agent and registrar for our common stock.

Other Provisions. There are no redemption or sinking fund provisions applicable to our common stock. No personal liability will attach to holders of such shares under the laws of the State of Texas. Subject to the provisions of our Articles of Incorporation and Bylaws imposing certain supermajority voting provisions, the rights of the

holders of shares of our common stock may not be modified except by a vote of at least a majority of the shares outstanding, voting together as a single class.

Preferred Stock

Our board of directors may cause us to issue preferred stock from time to time in one or more series and may fix the number of shares and the terms of each series without the approval of our shareholders. Our board of directors may determine the terms of each series, including:

• the designation of the series,

• dividend rates and payment dates,

• whether dividends will be cumulative, non-cumulative or partially cumulative, and related terms,

• redemption rights,

• liquidation rights,

• sinking fund provisions,

• conversion rights,

• voting rights, and

• any other terms.

The prospectus supplement relating to any series of preferred stock will include specific terms relating to the offering. We will file the form of the preferred stock with the SEC before we issue any of it. The prospectus supplement for any offering of preferred stock will include some or all of the following terms:

• the title of the preferred stock,

• the maximum number of shares of the series,

• the dividend rate or the method of calculating the dividend, the date from which dividends will accrue and whether dividends will be cumulative,

• any liquidation preference,

• any optional redemption provisions,

• any sinking fund or other provisions that would obligate us to redeem or purchase the preferred stock,

2

• any terms for the conversion or exchange of the preferred stock for other securities of us or any other entity,

• any voting rights, and

• any other preferences and relative, participating, optional or other special rights or any qualifications, limitations or restrictions on the rights of the shares.

The issuance of preferred stock, while providing desired flexibility in connection with possible acquisitions and other corporate purposes, could adversely affect the voting power of holders of our common stock. It could also affect the likelihood that holders of our common stock will receive dividend payments and payments upon liquidation. The issuance of shares of preferred stock, or the issuance of rights to purchase shares of preferred stock, could be used to discourage an attempt to obtain control of us. For example, if, in the exercise of its fiduciary obligations, our board were to determine that a takeover proposal was not in our best interest, the board could authorize the issuance of a series of preferred stock containing class voting rights that would enable the holder or holders of the series to prevent or make the change of control transaction more difficult. Alternatively, a change of control transaction deemed by the board to be in our best interest could be facilitated by issuing a series of preferred stock having sufficient voting rights to provide a required percentage vote of the shareholders.

Anti-Takeover Effects of Texas Laws and Our Charter and Bylaw Provisions

Some provisions of Texas law and our Articles of Incorporation and Bylaws could make the following actions more difficult:

• acquisition of us by means of a tender offer,

• acquisition of control of us by means of a proxy contest or otherwise, or

• removal of our incumbent officers and directors.

These provisions are designed to discourage coercive takeover practices and inadequate takeover bids. These provisions are also designed to encourage persons seeking to acquire control of us to first negotiate with our board of directors. We believe that the benefits of this increased protection gives us the potential ability to negotiate with the proponent of an unfriendly or unsolicited proposal to acquire or restructure us, and that the benefits of this increased protection outweigh the disadvantages of discouraging those proposals, because negotiation of those proposals could result in an improvement of their terms.

Charter and Bylaw Provisions

Election and Removal of Directors. The number of members of our board of directors will be fixed from time to time by resolution of the board of directors. Except for voting rights as may be provided to holders of preferred stock, at each annual meeting of shareholders, all directors are elected to hold office for a term expiring at the next succeeding annual meeting of shareholders and until their successors have been elected and qualified.

No director may be removed except for cause, and, subject to the voting rights expressly conferred to the holders of our preferred stock, directors may be removed for cause only by the holders of at least a majority of the shares of capital stock entitled to vote at an election of directors. Subject to the voting rights expressly conferred to the holders of our preferred stock, any vacancy occurring on the board of directors and any newly created directorship may be filled by a majority of the remaining directors in office or by election by the shareholders.

3

Shareholder Meetings. Our Articles of Incorporation and Bylaws provide that special meetings of holders of common stock may be called only by the chairman of our board of directors, our chief executive officer, the president, the secretary, a majority of our board of directors or the holders of at least 50% of the shares of our capital stock outstanding and entitled to vote.

Modification of Articles of Incorporation. In general, amendments to our Articles of Incorporation that are recommended by the board of directors require the affirmative vote of holders of at least a majority of the voting power of all outstanding shares of capital stock entitled to vote in the election of directors. The provisions described above under “— Election and Removal of Directors” and “— Shareholder Meetings” may be amended only by the affirmative vote of holders of at least 66 2/3% of the voting power of all outstanding shares of capital stock entitled to vote in the election of directors. The provisions described below under “— Modification of Bylaws” may be amended only by the affirmative vote of holders of at least 80% of the voting power of all outstanding shares of capital stock entitled to vote in the election of directors.

Modification of Bylaws. Our board of directors has the power to alter, amend or repeal the Bylaws or adopt new Bylaws by the affirmative vote of at least 80% of all directors then in office at any regular or special meeting of the board of directors called for that purpose. The shareholders also have the power to alter, amend or repeal the Bylaws or adopt new Bylaws by the affirmative vote of holders of at least 80% of the voting power of all outstanding shares of capital stock entitled to vote in the election of directors, voting together as a single class.

Other Limitations on Shareholder Actions. Our Bylaws also impose some procedural requirements on shareholders who wish to:

• make nominations in the election of directors,

• propose that a director be removed,

• propose any repeal or change in the Bylaws, or

• propose any other business to be brought before an annual or special meeting of shareholders.

Under these procedural requirements, a shareholder must deliver timely notice in proper written form to our secretary of the nomination or proposal along with evidence of:

• the shareholder’s status as a shareholder,

• the number of shares beneficially owned by the shareholder,

• a list of the persons with whom the shareholder is acting in concert, and

• the number of shares such persons beneficially own.

To be timely, a shareholder must deliver the notice:

4

• in connection with an annual meeting of shareholders, not less than 90 days nor more than 180 days prior to the first anniversary of the date on which the immediately preceding year’s annual meeting of shareholders was held; provided that if the date of the annual meeting is advanced by more than 30 days prior to or delayed by more than 60 days after the first anniversary of the preceding year’s annual meeting of shareholders, not earlier than 180 days prior to the annual meeting and not later than the last to occur of (i) the 90th day prior to the annual meeting or (ii) the 10th day following the day on which we first make public announcement of the date of the annual meeting, or

• in connection with the nomination of director candidates at a special meeting of shareholders, generally not less than 40 days nor more than 60 days prior to the date of the special meeting.

To submit a nomination for the board of directors, a shareholder must also submit information with respect to the nominee that we would be required to include in a proxy statement, as well as some other information. If a shareholder fails to follow the required procedures, the shareholder’s nominee or proposal will be ineligible and will not be voted on by our shareholders.

In addition to the director nomination provisions described above, our Bylaws contain a “proxy access” provision that provides that any shareholder or group of up to twenty shareholders who have owned 3% or more of our outstanding common stock continuously for at least three years to nominate and include in our proxy materials for an annual meeting of shareholders, director candidates constituting up to 20% of our board of directors or two directors, whichever is greater, provided that the shareholder (or group) and each nominee satisfy the eligibility requirements specified in our Bylaws. An eligible shareholder (or group) proposing to nominate a person for election to our board of directors through the proxy access provision must provide us with a notice requesting the inclusion of the director nominee in our proxy materials and other required information not less than 120 days nor more than 150 days prior to the first anniversary of the date on which the immediately preceding year’s annual meeting of shareholders was held. In addition, an eligible shareholder (or group) may include a written statement of not more than 500 words supporting the candidacy of such shareholder nominee. The complete proxy access provision for director nominations are set forth in our Bylaws.

In connection with a special meeting of shareholders, the only business that will be conducted is that stated in the notice of special meeting, or otherwise properly brought and made in proper written form before the meeting by or at the direction of the Chairman of the Meeting or the board of directors. Shareholders requesting a special meeting are permitted to make proposals for matters to be brought before the meeting in their request.

Limitation on Liability of Directors. Our Articles of Incorporation provide that no director will be personally liable to us or our shareholders for monetary damages for breach of fiduciary duty as a director, except as required by law as in effect from time to time. Currently, Texas law requires that liability be imposed for the following actions:

• any breach of the director’s duty of loyalty to us or our shareholders,

• any act or omission not in good faith that constitutes a breach of duty of the director to the corporation or that involves intentional misconduct or a knowing violation of law,

• a transaction from which the director received an improper benefit, regardless of whether or not the benefit resulted from an action taken within the scope of a director’s duties, and

• an act or omission for which the liability of a director is expressly provided for by statute.

Our Bylaws provide that we will indemnify our officers and directors and advance expenses to them in connection with proceedings and claims, to the fullest extent permitted by the TBOC. The Bylaws authorize our

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board of directors to indemnify and advance expenses to people other than our officers and directors in certain circumstances.

Texas Anti-Takeover Law

We are subject to Section 21.606 of the TBOC. That section prohibits Texas public corporations from engaging in a wide range of specified transactions with any affiliated shareholder during the three-year period immediately following the affiliated shareholder’s acquisition of shares in the absence of certain board of director or shareholder approvals. An affiliated shareholder of a corporation is any person, other than the corporation and any of its wholly owned subsidiaries, that is or was within the preceding three-year period the beneficial owner of 20% or more of the outstanding shares of stock entitled to vote generally in the election of directors. Section 21.606 may deter any potential unfriendly offers or other efforts to obtain control of us that are not approved by our board of directors. This may deprive our shareholders of opportunities to sell shares of our common stock at a premium to the prevailing market price.

Listing. Our common stock is traded on the New York Stock Exchange and the Chicago Stock Exchange under the trading symbol “CNP.”

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EX-4.Y

Exhibit 4(y)

DESCRIPTION OF CENTERPOINT ENERGY HOUSTON ELECTRIC, LLC’S SECURITIES

REGISTERED PURSUANT TO SECTION 12

OF THE SECURITIES EXCHANGE ACT OF 1934

As of December 31, 2021, CenterPoint Energy Houston Electric, LLC has one class of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”): (1) our 6.95% general mortgage bonds due 2033 (“General Mortgage Bonds”). As used in this Exhibit 4(y), the terms “CenterPoint Energy Houston Electric, LLC,” “us,” “we” or “our” refer to CenterPoint Energy Houston Electric, LLC and not any of its subsidiaries.

DESCRIPTION OF OUR GENERAL MORTGAGE BONDS

The following description of our General Mortgage Bonds is a summary and does not purport to be complete. It is subject to and qualified in its entirety by reference to our General Mortgage Indenture dated as of October 10, 2002 with The Bank of New York Mellon Trust Company, N.A. (successor in trust to JPMorgan Chase Bank), as trustee, as amended and supplemented, in the case of the General Mortgage Bonds, by the Tenth Supplemental Indenture, dated as of March 18, 2003,each of which are incorporated by reference as an exhibit to the Annual Report on Form 10-K of which this Exhibit 4(y) is a part. We encourage you to read the above referenced General Mortgage Indenture and Tenth Supplemental Indenture for additional information.

General

The bonds were issued under the General Mortgage Indenture (the “indenture”), dated as of October 10, 2002, between us and JPMorgan Chase Bank, as trustee (the “trustee”), as amended and supplemented. The descriptions under this heading and the heading “The Indenture” are summaries of the material provisions of the bonds and the indenture. Such summaries do not purport to be complete and are qualified in their entirety by reference to the indenture and the bonds. References to article and section numbers in this offering memorandum, unless otherwise indicated, are references to article and section numbers of the indenture.

The bonds will bear interest at the rate of 6.95% per annum. Interest on the bonds is payable semi-annually in arrears on each March 15 and September 15 (each an “interest payment date”), commencing September 15, 2003, to the persons in whose names they are registered at the close of business on the fifteenth calendar day preceding each interest payment date; provided, however, that interest payable at maturity (whether at stated maturity, upon redemption or otherwise) will be payable to the registered bondholder to whom principal is payable.

The bonds mature on March 15, 2033. The bonds are subject to optional redemption before their maturity as described below. They are not entitled to the benefit of any sinking fund.

Interest

Interest on the bonds will be payable on each interest payment date for the period commencing on the next preceding interest payment date (or if no interest has been paid thereon, commencing on the date of issuance thereof) to, but not including, such interest payment date.

If any interest payment date or the date of maturity falls on a day that is not a business day, all payments to be made on such day shall be made on the next succeeding business day with the same force and effect as if made on the due date, and no additional interest shall be payable as a result of such delay in payment. Interest will be computed on the basis of a 360-day year of twelve 30-day months.

Any interest payable on any interest payment date other than maturity and not so punctually paid or duly provided for will cease to be payable to the person in whose name the bond is registered at the close of business on the applicable regular record date and will instead be payable to the person in whose name the bond (or one or more predecessor bonds) is registered at the close of business on a special record date for the payment of such interest to be fixed by us, notice of which will be given to the registered holder of the bond (or one or more predecessor bonds) not less than 10 days prior to such special record date. (See Section 307)

Payment of Bonds; Transfers; Exchanges

Interest, if any, on bonds payable on each interest payment date will be paid to the person in whose name such bond is registered (the registered holder of any indenture bond being hereinafter called a “holder”) as of the close of business on the regular record date relating to such interest payment date; provided, however, that interest payable at maturity will be paid to the person to whom principal is paid. However, if there has been a default in the payment of interest on any bond, such defaulted interest may be payable to the holder of such bond as of the close of business on a date selected by the trustee which is not more than 15 days or less than 10 days prior to the date proposed by us for payment of such defaulted interest and not less than 10 days after the receipt by the trustee of the notice of the proposed payment or in any other lawful manner not inconsistent with the requirements of any securities exchange on which such bond may be listed, if the trustee deems such manner of payment practicable. (See Section 307)

The principal of and premium, if any, and interest on the bonds at maturity will be payable upon presentation of the bonds at the corporate trust office of JPMorgan Chase Bank in Houston, Texas as paying agent for us. We may change the place of payment on the bonds, may appoint one or more additional paying agents (including us) and may remove any paying agent, all at our discretion. (See Section 602)

The transfer of bonds may be registered, and bonds may be exchanged for other bonds of the same series, of authorized denominations and of like tenor and aggregate principal amount, at the corporate trust office of JPMorgan Chase Bank in Houston, Texas, as bond registrar for the bonds. We may change the place for registration of transfer and exchange of the bonds, and may designate one or more additional places for such registration and exchange, all at our discretion. (See Sections 602 and 305) No service charge will be made for any registration of transfer or exchange of the bonds; however, we may require payment of a sum sufficient to cover any tax or other governmental charge that may be imposed in connection with any registration of transfer or exchange of bonds. We will not be required to execute or to provide for the registration of transfer of or the exchange of:

•any bond during a period of 15 days prior to giving any notice of redemption; or

•any bond selected for redemption, in whole or in part, except the unredeemed portion of any bond being redeemed in part. (See Section 305)

All moneys paid by us to a paying agent or the trustee (or held by us in trust) for the payment of the principal of or any premium or interest on a bond which remain unclaimed at the end of two years after such principal, premium or interest has become due and payable will be repaid to us at our request, and the holder of such bond thereafter may, as an unsecured general creditor, look only to us for payment thereof, and all liability of the paying agent, the trustee and us (as trustee) with respect thereto shall thereupon cease. (See Section 603)

Optional Redemption

The bonds may be redeemed in whole at any time or in part from time to time, at our option, at a redemption price equal to the greater of:

•100% of the principal amount of the bonds then outstanding to be redeemed; or

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•the sum of the present values of the remaining scheduled payments of principal and interest on the bonds to be redeemed (not including any portion of such payments of interest accrued to the date of redemption) discounted to the date of redemption on a semiannual basis (assuming a 360-day year consisting of twelve 30-day months) at the applicable treasury rate plus 35 basis points;

plus, in each case, accrued and unpaid interest on the principal amount being redeemed to the redemption date.

“treasury rate” means, with respect to any redemption date:

•the yield, under the heading which represents the average for the immediately preceding week, appearing in the most recently published statistical release designated “H.15 (519)” or any successor publication which is published weekly by the Board of Governors of the Federal Reserve System and which establishes yields on actively traded U.S. Treasury securities adjusted to constant maturity under the caption “Treasury Constant Maturities,” for the maturity corresponding to the comparable treasury issue (if no maturity is within three months before or after the remaining life (as defined below), yields for the two published maturities most closely corresponding to the comparable treasury issue will be determined and the treasury rate will be interpolated or extrapolated from such yields on a straight line basis, rounding to the nearest month); or

•if such release (or any successor release) is not published during the week preceding the calculation date or does not contain such yields, the rate per annum equal to the semiannual equivalent yield to maturity of the comparable treasury issue, calculated using a price for the comparable treasury issue (expressed as a percentage of its principal amount) equal to the comparable treasury price for such redemption date.

The treasury rate will be calculated on the third business day preceding the date fixed for redemption.

“comparable treasury issue” means the U.S. Treasury security selected by an independent investment banker as having a maturity comparable to the remaining term (“remaining life”) of the bonds to be redeemed that would be utilized, at the time of selection and in accordance with customary financial practice, in pricing new issues of corporate debt securities of comparable maturity to the remaining term of such notes.

“comparable treasury price” means (1) the average of five reference treasury dealer quotations for such redemption date, after excluding the highest and lowest reference treasury dealer quotations, or (2) if the independent investment banker obtains fewer than four such reference treasury dealer quotations, the average of all such quotations.

“independent investment banker” means Credit Suisse First Boston LLC, Deutsche Bank Securities Inc. or Salomon Smith Barney Inc., as specified by us, or, if these firms are unwilling or unable to select the comparable treasury issue, an independent investment banking institution of national standing appointed by us.

“reference treasury dealer” means (1) Credit Suisse First Boston LLC, Deutsche Bank Securities Inc. and Salomon Smith Barney Inc. and their respective successors, provided, however, that if any of the foregoing shall cease to be a primary U.S. government securities dealer in New York City (a “primary treasury dealer”), we will substitute therefor another primary treasury dealer and (2) any other primary treasury dealer selected by us after consultation with the independent investment banker.

“reference treasury dealer quotations” means, with respect to each reference treasury dealer and any redemption date, the average, as determined by the independent investment banker, of the bid and asked prices for the comparable treasury issue (expressed in each case as a percentage of its principal amount) quoted in writing to the independent investment banker at 5:00 p.m., New York City time, on the third business day preceding such redemption date.

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The trustee will mail a notice of redemption to each holder of bonds to be redeemed by first-class mail at least 30 and not more than 60 days prior to the date fixed for redemption. Unless we default on payment of the redemption price, interest will cease to accrue on the bonds or portions thereof called for redemption. If fewer than all of the bonds are to be redeemed, the trustee will select, not more than 60 days prior to the redemption date, the particular bonds or portions thereof for redemption from the outstanding bonds not previously called by such method as the trustee deems fair and appropriate.

THE INDENTURE

Security

Except as otherwise contemplated below under this heading and subject to the exceptions specifically discussed under “—Release of Property” and “—Defeasance,” all outstanding indenture bonds, will be secured, equally and ratably, by the lien of the indenture on substantially all properties owned by us (and not excepted or released from the lien thereof), and improvements, extensions and additions to, and renewals and replacements of, such properties (the “mortgaged property”). The lien of the indenture will be junior, subject and subordinate to the lien of our existing first mortgage indenture.

The term “first mortgage indenture” means the Mortgage and Deed of Trust, dated as of November 1, 1944, from our predecessor in interest, Houston Lighting & Power Company, to JPMorgan Chase Bank (successor to South Texas Commercial National Bank of Houston), as trustee, as heretofore and hereafter amended and supplemented and “first mortgage bonds” means the first mortgage bonds issued thereunder.

The indenture provides that, after the issuance of the initial series of bonds under the indenture and until the first mortgage collateralization date (as defined at the end of this section), we will not issue any additional first mortgage bonds under the first mortgage indenture, except:

•first mortgage bonds in place of, and in substitution for, or to refund, other first mortgage bonds, if (A) the aggregate principal amount of such new first mortgage bonds shall not exceed the aggregate principal amount of such other first mortgage bonds, and (B) the final stated maturity date of such new first mortgage bonds shall be a date not later than the final stated maturity date of such other first mortgage bonds;

•as necessary to replace any mutilated, lost or destroyed first mortgage bonds or to effect exchanges and transfers of first mortgage bonds; and

•if at any time first mortgage bonds are issued pursuant to the first bullet point above, additional first mortgage bonds in an aggregate principal amount of up to $118 million for the purpose of satisfying the requirement under the indentures pursuant to which certain pollution control bonds were issued by various governmental authorities (which indentures provide that, if we issue first mortgage bonds in certain circumstances, we also are required to issue first mortgage bonds to secure such pollution control bonds on an equal and ratable basis). (See Section 611)

At any time, in our discretion, we may issue and deliver to the trustee as security under the indenture first mortgage bonds in an aggregate principal amount equal to the aggregate principal amount of indenture bonds then outstanding; provided that such first mortgage bonds (the “first mortgage collateral bonds”) shall:

•have terms of payment equivalent to those of such indenture bonds;

•provide that payments by us in respect of principal, premium, if any, or interest due under the indenture bonds will offset our equivalent payment obligations under the first mortgage collateral bonds; and

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•provide for the mandatory redemption of the first mortgage collateral bonds upon acceleration of the maturity of such indenture bonds. (See Section 701)

The date on which such first mortgage collateral bonds are delivered to the trustee is referred to herein as the “first mortgage collateralization date.”

Lien of the Indenture

General. The indenture constitutes a lien on substantially all our real property and tangible personal property, other than property excepted from such lien and such property as may be released from such lien in accordance with the terms of the indenture, subject to no liens prior to the lien of the indenture other than the lien of the first mortgage indenture (so long as the same remains in effect) and other liens permitted to exist.

Permitted liens and certain other liens permitted to exist. The indenture provides that after-acquired property (other than excepted property) will be subject to the lien of the indenture; provided, however, that in the case of our consolidation or merger into another entity or transfer of the mortgaged property as or substantially as an entirety, the indenture will not be required to be a lien upon any of the properties then owned or thereafter acquired by the successor entity except properties acquired from us in or as a result of such transaction, and improvements, extensions and additions to such properties and renewals, replacements and substitutions of or for any part or parts thereof and that in the case of a consolidation or merger with respect to which we are the surviving entity, the indenture will not be required to be a lien on any properties acquired by us in or as a result of such transaction or any improvements, extensions or additions to such properties or any renewals, replacements or substitutions of or for any part or parts thereof. (See Article Thirteen) See “—Consolidation, Merger, Etc.” below. In addition, after-acquired property may be subject to liens existing or placed thereon at the time of acquisition thereof, including, but not limited to, purchase money liens.

Without the consent of the holders, we and the trustee may enter into supplemental indentures in order to subject to the lien of the indenture additional property (including property which would otherwise be excepted from such lien). (See Section 1401) Such property would thereupon constitute property additions (so long as it would otherwise qualify as property additions as described below) and be available as a basis for the issuance of indenture bonds. See “—Issuance of Indenture Bonds.”

Excepted Property. There are excepted from the lien of the indenture, among other things:

•cash, deposit accounts, shares of stock, interests in general or limited partnerships, securities not deposited with or held by the trustee;

•contracts, leases and other agreements of all kinds;

•contract rights, bills, notes and other instruments and chattel paper;

•revenues, income and earnings, accounts and accounts receivable and unbilled revenues, rents, tolls, issues, product and profits, claims, demands and judgments;

•governmental and other licenses, permits, franchises, consents and allowances (except to the extent that any of the same constitute rights or interests relating to the occupancy or use of real property);

•certain intellectual property rights, domain names and other general intangibles;

•vehicles, movable equipment and aircraft and supplies used in connection with the foregoing;

•all goods, stock in trade, wares, merchandise and inventory held for sale or lease in the ordinary course of business;

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•materials, supplies, inventory and other personal property consumable in the operation of the mortgaged property; fuel; portable tools and equipment; furniture and furnishings;

•computers and data processing, telecommunications and certain other facilities and equipment used primarily for administrative or clerical purposes or not otherwise necessary for the operation or maintenance of facilities and equipment for the generation, transmission and distribution of electric energy and our other buildings and improvements;

•coal, ore, gas, oil and other minerals and timber;

•electric energy, gas (natural or artificial), steam, water and other products generated, produced, manufactured, purchased or otherwise acquired by us;

•real property, gas wells, pipelines, and other facilities used or to be used for the production, gathering, transmission, storage or distribution of natural gas, crude oil or other hydrocarbons or minerals;

•leasehold interests held by us as lessee;

•facilities and equipment for the storage, transmission and distribution of water; and

•other property excepted from or released from the lien of the first mortgage indenture prior to the date of the indenture. (See “Excepted Property” under “Granting Clauses” in the indenture and “Granting Clauses” in the first mortgage indenture.)

Permitted liens. The lien of the indenture is subject to permitted liens and certain other liens permitted to exist. Under the indenture, permitted liens include the following, among other, liens:

•liens for taxes which are not delinquent or are being contested in good faith or which secure charges that do not exceed $5,000,000;

•mechanics’, workmen’s and similar liens and certain other liens arising in the ordinary course of business;

•liens in respect of judgments:

•in an amount not exceeding the greater of $10 million and 3% of the sum of the then outstanding aggregate principal amount of indenture bonds and first mortgage bonds other than first mortgage collateral bonds then outstanding; or

•with respect to which we shall in good faith be prosecuting an appeal or shall have the right to do so;

•easements, leases or other rights of others in, and defects in title to, the mortgaged property which do not in the aggregate materially impair the use by us of the mortgaged property considered as a whole;

•defects, irregularities and limitations in title to real property subject to rights-of-way in our favor or used primarily for right-of-way purposes;

•liens securing indebtedness and other obligations of others upon real property existing at the date of the indenture or at the time of our acquisition of such property;

•leases existing at the date of the indenture and subsequent leases for not more than 15 years or which do not materially impair our use of the property subject thereto;

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•liens of lessors or licensors for amounts due which are not delinquent or are being contested in good faith;

•controls, restrictions or obligations imposed by governmental authorities upon the mortgaged property or the operation thereof;

•rights of governmental authorities to purchase or designate a purchaser of the mortgaged property;

•liens required by law or governmental regulation as a condition to the transaction of any business or the exercise of any privilege or license, or to enable us to maintain self-insurance or to participate in any funds established to cover insurance risks or in connection with workmen’s compensation, unemployment insurance, social security or any pension or welfare benefit plan or program;

•liens to secure the performance of duties or public or statutory, bid or performance obligations or surety, stay or appeal bonds;

•rights of others to take minerals, timber, electric energy, gas, water, steam or other products produced by us or by others on our property;

•rights and interests of persons other than us arising out of agreements to which we are a party relating to the common ownership or joint use of property, and liens on the interests of such persons in such property;

•restrictions on assignment and/or qualification requirements on the assignee;

•liens which have been bonded for the full amount in dispute or for the payment of which other security arrangements have been made;

•easements, ground leases or rights-of-way on or across our property for the purpose of roads, pipelines, transmission or distribution lines, communication lines, railways and other similar purposes, provided that the same do not materially impair the use by us of such property or rights-of-way;

•liens on our air or water pollution control, sewage or solid waste disposal or other similar facilities in connection with the issuance of pollution control revenue bonds, in connection with financing the cost of, or construction, acquisition, improvement, repair or maintenance of, such facilities;

•the trustee’s lien specified below;

•prepaid liens; and

•the lien of the first mortgage indenture. (See Granting Clauses and Section 101)

“Prepaid lien” means generally any lien securing indebtedness for the payment or redemption of which there shall have been irrevocably deposited in trust with the trustee or other holder of such lien moneys and/or investment securities which (together with the interest reasonably expected to be earned from the investment and reinvestment in investment securities of the moneys and/or the principal of and interest on the investment securities so deposited) shall be sufficient for such purpose; provided, however, that the first mortgage indenture shall not be deemed to be a prepaid lien unless it shall have been satisfied and discharged and all first mortgage bonds issued thereunder shall be deemed to have been paid, all in accordance with the provisions thereof. (See Section 101)

Trustee’s Lien. The indenture provides that the trustee will have a lien, prior to the lien on behalf of the holders of indenture bonds, upon the mortgaged property for the payment of its reasonable compensation and expenses and for indemnity against certain liabilities. (See Section 1107)

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Issuance of Indenture Bonds

The aggregate principal amount of indenture bonds that may be authenticated and delivered under the indenture is unlimited. (See Section 301). Indenture bonds of any series may be issued from time to time, provided that the first mortgage collateralization date has not occurred, on the basis of property additions, retired bonds (as such terms are defined below) and cash deposited with the trustee, and in an aggregate principal amount not exceeding:

•70% of the cost (as defined below) or fair value (as defined below) (whichever is less) of property additions (as described below) that do not constitute funded property (as defined below) after certain deductions and additions, primarily including adjustments to offset property retirements;

•the aggregate principal amount of retired bonds; and

•an amount of cash deposited with the trustee. (See Article Four)

In addition, any issuance of indenture bonds after March 31, 2003, other than any issuance on the basis of retired bonds having an applicable interest rate not less than the interest rate applicable to the indenture bonds to be issued, requires that we provide a certificate demonstrating that the adjusted net earnings (as defined below) for the specified 12 month period are not less than 200% of the annual interest requirements (as defined below) for the specified one year period.

“Adjusted net earnings” means the amount for a period of 12 consecutive calendar months within the 18 calendar months immediately preceding the first day of the month in which we intend to issue additional indenture bonds (or, in the case of any such certificate to be delivered on or prior to June 30, 2003, for a period of 12 consecutive calendar months within the 15 calendar months immediately preceding the first day of such month):

•our operating revenues for such period; minus

•our operating expenses, excluding:

•expenses for taxes on income or profits;

•provisions for reserves for depreciation, amortization, depletion or retirement of property;

•interest expense, including the amortization of debt discount, premium, expense or loss on reacquired debt, for any replacement, sinking fund or other device for the retirement or amortization of any indebtedness;

•non-recurring charge or expenses; and

•provisions for any refund of our revenues previously collected or accrued; plus

•our other income, net of related expenses (excluding expenses or provisions for any non-recurring charges).

“Annual interest requirements” means the interest requirements for one year, at the respective stated interest rates, if any, borne before maturity, upon:

•all outstanding indenture bonds, except any for the payment or redemption of which indenture bonds applied for are to be issued;

•all indenture bonds then applied for in pending applications for the original issuance of indenture bonds, including the application in connection with which such certificate is made;

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•all outstanding first mortgage bonds, except any for the payment or redemption of which the indenture bonds applied for are to be issued; and

•the principal amount of all other indebtedness, except:

•first mortgage collateral bonds;

•our indebtedness, the repayment of which supports or is supported by other indebtedness included in annual interest requirements pursuant to one of the other clauses of this definition;

•indebtedness for the payment of which the indenture bonds applied for are to be issued; and

•indebtedness secured by a prepaid lien prior to the lien of the indenture upon property subject to such lien, outstanding on the date of such computation and secured by a lien on a parity with or prior to the lien of the indenture upon property subject to the lien of the indenture, if such indebtedness has been issued, assumed or guaranteed by us or if we customarily pay the interest upon the principal thereof or collections from our customers are applied to, or pledged as security for the payment of such interest;

provided, however, that if any such indebtedness bears interest at a variable rate, then the interest requirement on such indebtedness shall be determined by reference to the rate in effect on the day immediately preceding the date of such computation; and provided, further, that any amounts collected by others to be applied to debt service on our indebtedness, and not otherwise treated on our books as revenue, shall be added to our operating revenues when determining adjusted net earnings.

“Cost” with respect to property additions generally means the sum of:

•any cash paid in the acquisition of such property;

•an amount equivalent to the fair market value in cash of any securities or other property paid in the acquisition of such property;

•the principal amount of any obligations secured by prior lien (other than the lien of the first mortgage indenture) upon such property additions outstanding at the time of the acquisition thereof;

•the principal amount of any other obligations incurred or assumed in connection with the payment for such property additions or for the acquisition thereof; and

•any other amounts which, in accordance with generally accepted accounting principles, are properly charged or chargeable to our plant or other property accounts with respect to such property additions as part of the cost of construction or acquisition thereof, including, but not limited to any allowance for funds used during construction or any similar or analogous amount;

•provided, however, that:

•with respect to property additions owned by our successor immediately prior to the time it shall have become such successor in or as a result of an acquisition, consolidation or merger, cost shall mean the amount or amounts at which such property additions are recorded in the plant or other property accounts of such successor, or the predecessor from which such property additions are acquired, as the case may be, immediately prior to such consolidation or merger;

•with respect to property additions which shall have been acquired (otherwise than by construction) by us without any consideration consisting of cash, securities or other property or the incurring or

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assumption of indebtedness or other obligation, no determination of cost shall be required and, wherever provision is made for cost or fair value, cost with respect to such property additions shall mean an amount equal to the fair value to us thereof or, if greater, the aggregate amount reflected in our books of account with respect thereto upon the acquisition thereof; and

•in no event shall the cost of property additions be required to reflect any depreciation or amortization in respect of such property additions, or any adjustment to the amount or amounts at which such property additions are recorded in plant or other property accounts due to the non-recoverability of investment or otherwise.

If any property additions include property which has been used or operated by third parties in a business similar to that in which it has been or is to be used or operated by us, the cost thereof need not be reduced by any amount in respect of any goodwill, going concern value rights and/or intangible property simultaneously acquired and in such case the term property additions as defined herein may include such goodwill, going concern value rights and intangible property.

“Fair value,” with respect to property, generally means the fair value of such property as may reasonably be determined by reference to:

•the amount which would be likely to be obtained in an arm’s-length transaction with respect to such property between an informed and willing buyer and an informed and willing seller, under no compulsion, respectively, to buy or sell;

•the amount of investment with respect to such property which, together with a reasonable return thereon, would be likely to be recovered through ordinary business operations or otherwise;

•the cost, accumulated depreciation and replacement cost with respect to such property; and/or

•any other relevant factors; provided, however, that:

•the fair value of property shall be determined without deduction for any liens on such property prior to the lien of the indenture; and

•the fair value of property additions shall not reflect any reduction relating to the fact that such property additions may be of less value to a person which is not the owner or operator of the mortgaged property or any portion thereof than to the owner or operator. Fair value may be determined, in the discretion of the expert certifying the same, without physical inspection, by the use of accounting and/or engineering records and/or other data maintained by us or otherwise available to such expert.

“Funded property” generally includes property additions which have been designated funded property in an expert’s certificate, which have been made the basis of the authentication and delivery of indenture bonds, which have been made the basis for the release of mortgaged property, which have been made the basis for the withdrawal of cash, which have been substituted for retired funded property or which have been used for other specified purposes. (See Section 102)

“Property additions” generally include any property which is owned by us and is subject to the lien of the indenture except (with certain exceptions) goodwill, going concern value rights or intangible property, or any property the cost of acquisition or construction of which is properly chargeable to one of our operating expense accounts. (See Section 103)

“Retired bonds” means, generally:

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•indenture bonds which are no longer outstanding under the indenture, which have not been retired by the application of funded cash and which have not been used as the basis for the authentication and delivery of indenture bonds, the release of property or the withdrawal of cash; and

•certain first mortgage bonds issued under the first mortgage indenture which could be used as a basis for the authentication and delivery of additional first mortgage bonds under the first mortgage indenture and have been retired after the initial issuance of indenture bonds under the indenture;

provided, however, that no first mortgage bond may be used as the basis for the authentication and delivery of both additional indenture bonds and additional first mortgage bonds. (See Section 101).

Release of Property

Unless an event of default (as defined below) has occurred and is continuing, we may obtain the release from the lien of the indenture of any funded property upon delivery to the trustee of certain certificates and an amount in cash equal to the amount, if any, by which 70% of the cost of the property to be released (or, if less, the fair value of such property at the time it became funded property) exceeds the aggregate of:

•an amount equal to 70% of the aggregate principal amount of obligations secured by purchase money liens delivered to the trustee, subject to certain limitations described below;

•an amount equal to 70% of the cost or fair value (whichever is less) of certified property additions not constituting funded property after certain deductions and additions, primarily including adjustments to offset property retirements (except that such adjustments need not be made if such property additions were acquired or made within the 90-day period preceding the release);

•the aggregate principal amount of indenture bonds we would be entitled to issue on the basis of retired bonds (with such entitlement being waived by operation of such release);

•any amount of cash and/or an amount equal to 70% of the aggregate principal amount of obligations secured by purchase money liens upon the property released delivered to the trustee or other holder of a lien prior to the lien of the indenture, subject to certain limitations described below;

•on or after the first mortgage collateralization date, the aggregate principal amount of first mortgage bonds delivered to the trustee to be held as first mortgage collateral bonds;

•the aggregate principal amount of outstanding indenture bonds delivered to the trustee (with such indenture bonds to be canceled by the trustee); and

•any taxes and expenses incidental to any sale, exchange, dedication or other disposition of the property to be released. (See Section 803)

As used in the indenture, the term “purchase money lien” means, generally, a lien on the property being acquired, disposed of by us or being released from the lien of the indenture, which is taken or retained by the transferor of such property to secure all or part of the purchase price thereof or granted to one or more other persons (other than the transferor) who by making advances or incurring an obligation, give value to enable the grantor of the lien to acquire rights in such property, or granted to another person in connection with the release of property from the lien of the indenture on the basis of a deposit with the trustee or other holder of a lien prior to the lien of the indenture of obligations secured by such lien on such property, or held by a trustee or agent for the benefit of any such persons, and may include liens which cover property in addition to the property being released and/or which secure indebtedness in addition to indebtedness to the transferor of such property. (See Section 101) Generally, the principal amount of obligations secured by purchase money liens used as the basis for the release of property may

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not exceed 75% of the fair value of such property unless no additional obligations are outstanding, or are permitted to be issued, under such purchase money lien. (See Section 803)

Property which is not funded property may generally be released from the lien of the indenture without depositing any cash or property with the trustee as long as:

•the aggregate amount of cost or fair value (whichever is less) of all property additions which do not constitute funded property (excluding the property to be released) after certain deductions and additions, primarily including adjustments to offset property retirements, is not less than zero; or

•the cost or fair value (whichever is less) of property to be released does not exceed the aggregate amount of the cost or fair value (whichever is less) of property additions acquired or made within the 90-day period preceding the release. (See Section 804)

The indenture provides simplified procedures for the release of minor properties and property taken by eminent domain, and provides for dispositions of certain obsolete property and grants or surrender of certain rights without any release or consent by the trustee. (See Sections 802, 805, 807 and 808)

If we retain any interest in any property released from the lien of the indenture, the indenture will not become a lien on such property or such interest therein or any improvements, extensions or additions to such property or renewals, replacements or substitutions of or for such property or any part or parts thereof. (See Section 809)

Withdrawal of Cash

Unless an event of default has occurred and is continuing and subject to certain limitations, cash held by the trustee may, generally:

•be withdrawn by us:

•to the extent of an amount equal to 70% of the cost or fair value to us (whichever is less) of property additions not constituting funded property, after certain deductions and additions, primarily including adjustments to offset retirements (except that such adjustments need not be made if such property additions were acquired or made within the 90-day period preceding the withdrawal); or

•in an amount equal to the aggregate principal amount of indenture bonds that we would be entitled to issue on the basis of retired bonds (with the entitlement to such issuance being waived by operation of such withdrawal); or

•on or after the first mortgage collateralization date, in an amount equal to the aggregate principal amount of first mortgage bonds delivered to the trustee to be held as first mortgage collateral bonds; or

•in an amount equal to the aggregate principal amount of outstanding indenture bonds delivered to the trustee; or

•upon our request, be applied to the purchase of indenture bonds or the payment (or provision therefor) at stated maturity of any indenture bonds or the redemption (or provision therefor) of any indenture bonds which are redeemable. (See Section 806)

Consolidation, Merger, Etc.

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We may not consolidate with or merge into any other entity or convey, transfer or lease, subject to the lien of this indenture, the mortgaged property as or substantially as an entirety to any entity unless:

•the entity formed by such consolidation or into which we are merged or the entity which acquires by conveyance or transfer, or which leases, the mortgaged property as or substantially as an entirety is an entity organized and existing under the laws of the United States, or any State or Territory thereof or the District of Columbia; and

•such entity executes and delivers to the trustee a supplemental indenture that:

•in the case of a consolidation, merger, conveyance or other transfer, or in the case of a lease if the term thereof extends beyond the last stated maturity of the indenture bonds then outstanding, contains an express assumption by such entity of the due and punctual payment of the principal of and premium, if any, and interest, if any, on the indenture bonds and the performance of all of our covenants and conditions under the indenture; and

•in the case of a consolidation, merger, conveyance or other transfer, contains a grant, conveyance, transfer and mortgage by such entity:

•confirming the lien of the indenture on the mortgaged property; and

•subjecting to such lien all property thereafter acquired by such entity that shall constitute an improvement, extension or addition to the mortgaged property or renewal, replacement or substitution of or for any part thereof and, at the election of such entity, subjecting to the lien of the indenture such other property then owned or thereafter acquired by such entity as such entity shall specify; and

•in the case of a lease, such lease is made expressly subject to termination by us or by the trustee at any time during the continuance of an event of default; and

•immediately after giving effect to such transaction, no event of default and no event which, with notice or lapse of time or both, would become an event of default shall have occurred and be continuing. (See Section 1301)

In the case of the conveyance or other transfer of the mortgaged property as or substantially as an entirety to any other entity, upon the satisfaction of all the conditions described above, we would be released and discharged from all obligations under the indenture and on the indenture bonds then outstanding unless we elect to waive such release and discharge. (See Section 1304). For purposes of this section, “entity” means a corporation, limited liability company, company, association, joint-stock company, partnership, limited liability partnership, joint venture, trust, unincorporated organization or governmental authority.

Modification of Indenture

Modifications without Consent. Without the consent of any holders, we and the trustee may enter into one or more supplemental indentures for any of the following purposes, among others:

•to evidence the succession of another entity to us and the assumption by any such successor of our covenants and agreements in the indenture and in the indenture bonds; or

•to add one or more covenants or other provisions for the benefit of all holders or for the benefit of the holders of, or to remain in effect only so long as there shall be outstanding, indenture bonds of one or more specified series (for the purposes of this subsection, “series” includes tranches thereof), or to surrender any right or power conferred upon us by the indenture; or

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•to correct or amplify the description of any property at any time subject to the lien of the indenture; or better to assure, convey and confirm to the trustee any property subject or required to be subjected to the lien of the indenture; or to subject to the lien of the indenture additional property (including property of others); to specify any additional permitted liens with respect to such additional property and to modify the provisions in the indenture for dispositions of certain types of property without release in order to specify any additional items with respect to such additional property; or

•to establish the form or terms of the indenture bonds of any series as permitted by the indenture; or

•to provide for the authentication and delivery of bearer bonds and coupons appertaining thereto representing interest, if any, thereon and for the procedures for the registration, exchange and replacement thereof and for the giving of notice to, and the solicitation of the vote or consent of, the holders thereof, and for any and all other matters incidental thereto; or

•to evidence and provide for the acceptance of appointment by a successor trustee or by a co-trustee; or

•to provide for the procedures required to permit the utilization of a non-certificated system of registration for all, or any series of, the indenture bonds; or

•to change any place or places where:

•the principal of and premium, if any, and interest, if any, on all or any series of indenture bonds will be payable;

•all or any series of indenture bonds may be surrendered for registration of transfer;

•all or any series of indenture bonds may be surrendered for exchange; and

•notices and demands to or upon us in respect of all or any series of indenture bonds and the indenture may be served; or

•to comply with the rules of any securities exchange on which any series of indenture bonds may be listed; or

•to modify this indenture to comply with the Trust Indenture Act of 1939, as amended (the “Trust Indenture Act”); or

•to cure any ambiguity, to correct or supplement any provision therein which may be defective or inconsistent with any other provision therein, or to make any other additions to, deletions from or other changes to the provisions thereof; provided that such additions, deletions and/or other changes do not adversely affect the interests of the holders of indenture bonds of any series in any material respect. (See Section 1401)

Without limiting the generality of the foregoing, if the Trust Indenture Act is amended after the date of the indenture in such a way as to require changes to the indenture or the incorporation therein of additional provisions or so as to permit changes to, or the elimination of, provisions which, at the date of the indenture or at any time thereafter, were required by the Trust Indenture Act to be contained in the indenture, the indenture will be deemed to have been amended so as to conform to such amendment or to effect such changes or elimination, and we and the trustee may, without the consent of any holders, enter into one or more supplemental indentures to evidence or effect such amendment. (See Section 1401)

Modifications Requiring Consent. Except as provided above, the consent of the holders of not less than a majority in aggregate principal amount of the indenture bonds of all series then outstanding, considered as one class,

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is required for the purpose of adding any provisions to, or changing in any manner, or eliminating any of the provisions of, the indenture pursuant to one or more supplemental indentures; provided, however, that if less than all of the series of indenture bonds outstanding are directly affected by a proposed supplemental indenture, then the consent only of the holders of a majority in aggregate principal amount of outstanding indenture bonds of all series so directly affected, considered as one class, will be required; and provided, further, that if the indenture bonds of any series have been issued in more than one tranche and if the proposed supplemental indenture directly affects the rights of the holders of one or more, but less than all such tranches, then the consent only of the holders of a majority in aggregate principal amount of the outstanding indenture bonds of all such tranches so directly affected, considered as one class, will be required; and provided, further, that no such amendment or modification may:

•change the stated maturity of the principal of, or any installment of principal of or interest on, any indenture bond, or reduce the principal amount thereof or the rate of interest thereon (or the amount of any installment of interest thereon) or change the method of calculating such rate or reduce any premium payable upon the redemption thereof, or reduce the amount of the principal of any discount bond or other indenture bond that would be due and payable upon a declaration of acceleration of maturity or change the coin or currency in which any indenture bond or any premium or the interest thereon is payable, or impair the right to institute suit for the enforcement of any such payment on or after the stated maturity of any indenture bond (or, in the case of redemption, on or after the redemption date) without, in any such case, the consent of the holder of such indenture bond;

•permit the creation of any lien (not otherwise permitted by the indenture) ranking prior to the lien of the indenture with respect to all or substantially all of the mortgaged property or terminate the lien of the indenture on all or substantially all of the mortgaged property or deprive the holders of the benefit of the lien of the indenture, without, in any such case, the consent of the holders of all indenture bonds then outstanding;

•reduce the percentage in principal amount of the outstanding indenture bonds of any series, or tranche thereof, the consent of the holders of which is required for any such supplemental indenture, or the consent of the holders of which is required for any waiver of compliance with any provision of the indenture or of any default thereunder and its consequences, or reduce the requirements for quorum or voting, without, in any such case, the consent of the holder of each outstanding indenture bond of such series; or

•modify any of the provisions (with certain exceptions) of the indenture relating to supplemental indentures, waivers of certain covenants and waivers of past defaults with respect to the indenture bonds without the consent of the holder of each outstanding indenture bond affected thereby.

A supplemental indenture that changes or eliminates any covenant or other provision of the indenture that has expressly been included solely for the benefit of the holders of, or that is to remain in effect only so long as there shall be outstanding, indenture bonds of one or more specified series or modifies the rights of the holders of indenture bonds of such series with respect to such covenant or other provision, will be deemed not to affect the rights under the indenture of the holders of the indenture bonds of any other series. (See Section 1402)

Waiver

The holders of at least a majority in aggregate principal amount of all indenture bonds may waive our obligations to comply with certain covenants, including the covenants to maintain our corporate or other legal existence and properties, pay taxes and discharge liens and maintain certain insurance and our covenant with respect to merger, consolidation or the transfer or lease of the mortgaged property as or substantially as an entirety, described above, provided that such waiver occurs before the time such compliance is required. The holders of at least a majority of the aggregate principal amount of outstanding indenture bonds of all affected series or tranches, considered as one class, may waive, before the time for such compliance, compliance with any covenant specified

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with respect to indenture bonds of such series or tranches thereof. (See Section 609) The holders of at least a majority in aggregate principal amount of all indenture bonds outstanding may waive past defaults, not including defaults in the payment of principal, premium or interest or defaults with respect to provisions that cannot be modified without the consent of each holder affected thereby, under the indenture. (See Section 1017)

Events of Default

Each of the following events constitutes an event of default under the indenture:

•failure to pay interest on any indenture bond within 30 days after the same becomes due and payable;

•failure to pay principal of or premium, if any, on any indenture bond when it becomes due and payable;

•failure to perform or breach of any of our covenants or warranties in the indenture (other than a covenant or warranty a default in the performance of which or breach of which is dealt with elsewhere under this paragraph) for a period of 90 days after there has been given to us by the trustee, or to us and the trustee by the holders of at least 33% in principal amount of outstanding indenture bonds, a written notice specifying such default or breach and requiring it to be remedied and stating that such notice is a “notice of default,” unless the trustee, or the trustee and the holders of a principal amount of indenture bonds not less than the principal amount of indenture bonds the holders of which gave such notice, as the case may be, agree in writing to an extension of such period prior to its expiration; provided, however, that the trustee, or the trustee and such holders, as the case may be, will be deemed to have agreed to an extension of such period if corrective action has been initiated by us within such period and is being diligently pursued;

•certain events relating to reorganization, bankruptcy and insolvency of us or appointment of a receiver or trustee for our property (See Section 1001); and

•the occurrence of any default or any other event under the first mortgage indenture, and the expiration of the applicable grace period, if any, specified in such first mortgage indenture, if the effect of such default or event is to accelerate, or to permit the acceleration of, the maturity of any amount due under the first mortgage indenture.

Remedies

Acceleration of Maturity. If an event of default occurs and is continuing, then the trustee or the holders of not less than 33% in principal amount of indenture bonds then outstanding may declare the principal amount (or if the indenture bonds are discount bonds, such portion of the principal amount as may be provided for such discount bonds pursuant to the terms of the indenture) of all of the indenture bonds then outstanding, together with premium, if any, and accrued interest, if any, thereon to be immediately due and payable. At any time after such declaration of acceleration of the indenture bonds then outstanding, but before the sale of any of the mortgaged property and before a judgment or decree for payment of money shall have been obtained by the trustee as provided in the indenture, the event or events of default giving rise to such declaration of acceleration will, without further act, be deemed to have been waived, and such declaration and its consequences will, without further act, be deemed to have been rescinded and annulled, if:

•we have paid or deposited with the trustee a sum sufficient to pay:

•all overdue interest, if any, on all indenture bonds then outstanding;

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•the principal of and premium, if any, on any indenture bonds then outstanding which have become due otherwise than by such declaration of acceleration and interest thereon at the rate prescribed therefor in such indenture bonds; and

•all amounts due to the trustee as compensation and reimbursement as provided in the indenture; and

•any other event or events of default, other than the non-payment of the principal of indenture bonds that shall have become due solely by such declaration of acceleration, shall have been cured or waived as provided in the indenture. (See Section 1002)

Possession of Mortgaged Property

Under certain circumstances and to the extent permitted by law, if an event of default occurs and is continuing, the trustee has the power to take possession of, and to hold, operate and manage, the mortgaged property, or with or without entry, sell the mortgaged property. If the mortgaged property is sold, whether by the trustee or pursuant to judicial proceedings, the principal of the outstanding indenture bonds, if not previously due, will become immediately due and payable, together with premium, if any, and any accrued interest. (See Sections 1003, 1004 and 1005)

Right to Direct Proceedings

If an event of default occurs and is continuing, the holders of a majority in principal amount of the indenture bonds then outstanding will have the right to direct the time, method and place of conducting any proceedings for any remedy available to the trustee or exercising any trust or power conferred on the trustee, provided that such direction does not conflict with any rule of law or with the indenture, and could not involve the trustee in personal liability in circumstances where indemnity would not, in the trustee’s sole discretion, be adequate and the trustee may take any other action deemed proper by the trustee that is not inconsistent with such direction. (See Section 1016)

Limitation on Right to Institute Proceedings

No holder of any indenture bond will have any right to institute any proceeding, judicial or otherwise, with respect to the indenture or for the appointment of a receiver or for any other remedy thereunder unless

•such holder has previously given to the trustee written notice of a continuing event of default;

•the holders of not less than a majority in aggregate principal amount of the indenture bonds then outstanding have made written request to the trustee to institute proceedings in respect of such event of default and have offered the trustee reasonable indemnity against costs and liabilities to be incurred in complying with such request; and

•for sixty days after receipt of such notice, the trustee has failed to institute any such proceeding and no direction inconsistent with such request has been given to the trustee during such sixty-day period by the holders of a majority in aggregate principal amount of indenture bonds then outstanding.

Furthermore, no holder will be entitled to institute any such action if and to the extent that such action would disturb or prejudice the rights of other holders. (See Section 1011)

No Impairment of Right to Receive Payment

Notwithstanding that the right of a holder to institute a proceeding with respect to the indenture is subject to certain conditions precedent, each holder of an indenture bond has the absolute and unconditional right to receive

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payment of the principal of and premium, if any, and interest, if any, on such indenture bond when due and to institute suit for the enforcement of any such payment, and such rights may not be impaired without the consent of such holder. (See Section 1012)

Notice of Default

The trustee is required to give the holders notice of any default under the indenture to the extent required by the Trust Indenture Act, unless such default shall have been cured or waived, except that no such notice to holders of a default of the character described in the third bullet point under “Events of Default” may be given until at least 75 days after the occurrence thereof. (See Section 1102) The Trust Indenture Act currently permits the trustee to withhold notices of default (except for certain payment defaults) if the trustee in good faith determines the withholding of such notice to be in the interests of the holders.

Indemnification of Trustee

As a condition precedent to certain actions by the trustee in the enforcement of the lien of the indenture and institution of action on the indenture bonds, the trustee may require adequate indemnity against costs, expenses and liabilities to be incurred in connection therewith. (See Sections 1011 and 1101)

Remedies Limited by State Law

The laws of any jurisdiction where the mortgaged property is located may limit or deny the ability of the trustee or bondholders to enforce certain rights and remedies provided in the indenture in accordance with their terms.

Defeasance

Any indenture bonds, or any portion of the principal amount thereof, will be deemed to have been paid for purposes of the indenture, and, at our election, the entirety of our indebtedness in respect thereof will be deemed to have been satisfied and discharged, if there has been irrevocably deposited with the trustee or any paying agent (other than us), in trust:

•money (including funded cash not otherwise applied pursuant to the indenture) in an amount which will be sufficient; or

•in the case of a deposit made prior to the date on which principal is due, eligible obligations (as described below), which do not contain provisions permitting the redemption or other prepayment thereof at the option of the issuer thereof, the principal of and the interest on which when due, without any regard to reinvestment thereof, will provide monies which, together with the money, if any, deposited with or held by the trustee or such paying agent, will be sufficient; or

•a combination of options in the preceding bullet points which will be sufficient, to pay when due the principal of and premium, if any, and interest, if any, due and to become due on such indenture bonds or portions thereof. (See Section 901) For this purpose, eligible obligations include direct obligations of, or obligations unconditionally guaranteed by, the United States of America, entitled to the benefit of the full faith and credit thereof, and certificates, depositary receipts or other instruments that evidence a direct ownership interest in such obligations or in any specific interest or principal payments due in respect thereof.

Notwithstanding the foregoing, no indenture bond shall be deemed to have been paid as aforesaid unless we shall have delivered to the trustee either:

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•an opinion of counsel in the United States reasonably acceptable to the trustee confirming that (i) we have received from, or there has been published by, the Internal Revenue Service a ruling or (ii) since the date of the indenture, there has been a change in the applicable federal income tax law, in either case to the effect that, and based thereon such opinion of counsel shall confirm that, the holders of the outstanding indenture bonds will not recognize income, gain or loss for federal income tax purposes as a result of such defeasance and will be subject to federal income tax on the same amounts, in the same manner and at the same times as would have been the case if such defeasance had not occurred; or

•an instrument wherein we, notwithstanding the satisfaction and discharge of our indebtedness in respect of indenture bonds, shall assume the obligation (which shall be absolute and unconditional) to irrevocably deposit with the trustee such additional sums of money, if any, or additional government obligations, if any, or any combination thereof, at such time or times, as shall be necessary, together with the money and/or government obligations theretofore so deposited, to pay when due the principal of and premium, if any, and interest due and to become due on such indenture bonds or portions thereof; provided, however, that such instrument may state that our obligation to make additional deposits as aforesaid shall be subject to the delivery to us by the trustee of a notice asserting the deficiency accompanied by an opinion of an independent public accountant of nationally recognized standing showing the calculation thereof; and

•an opinion of tax counsel in the United States reasonably acceptable to the trustee to the effect that the holders of the outstanding indenture bonds will not recognize income, gain or loss for federal income tax purposes as a result of such defeasance and will be subject to federal income tax on the same amounts, in the same manner and at the same times as would have been the case if such defeasance had not occurred.

Duties of the Trustee; Resignation; Removal

The trustee will have, and will be subject to, all the duties and responsibilities specified with respect to an indenture trustee under the Trust Indenture Act. Subject to such provisions, the trustee will be under no obligation to exercise any of the powers vested in it by the indenture at the request of any holder of indenture bonds, unless offered reasonable indemnity by such holder against the costs, expenses and liabilities which might be incurred thereby. The trustee will not be required to expend or risk its own funds or otherwise incur financial liability in the performance of its duties if the trustee reasonably believes that repayment or adequate indemnity is not reasonably assured to it.

The trustee may resign at any time by giving written notice thereof to us or may be removed at any time by the holders of a majority in principal amount of indenture bonds then outstanding delivered to the trustee and us. No resignation or removal of the trustee and no appointment of a successor trustee will become effective until the acceptance of appointment by a successor trustee in accordance with the requirements of the indenture. So long as no event of default or event which, after notice or lapse of time, or both, would become an event of default has occurred and is continuing, if we have delivered to the trustee a resolution of our board of directors appointing a successor trustee and such successor has accepted such appointment in accordance with the terms of the indenture, the trustee will be deemed to have resigned and the successor will be deemed to have been appointed as trustee in accordance with the indenture. (See Section 1110)

Evidence to be Furnished to the Trustee

Compliance with indenture provisions is evidenced by written statements of our officers or persons selected or paid by us. In certain cases, opinions of counsel and certification of an engineer, accountant, appraiser or other expert (who in some cases must be independent) must be furnished. In addition, the indenture requires that we give

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the trustee, not less often than annually, a brief statement as to our compliance with the conditions and covenants under the indenture.

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EX-4.Z

Exhibit 4(z)

DESCRIPTION OF CENTERPOINT ENERGY RESOURCES CORP.’S SECURITIES

REGISTERED PURSUANT TO SECTION 12

OF THE SECURITIES EXCHANGE ACT OF 1934

As of December 31, 2021, CenterPoint Energy Resources Corp., a Delaware corporation, had one class of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”): (1) the 6.625% senior notes due 2037 (“Senior Notes” or “notes”). For purposes of this summary, the terms “we,” “our,” “ours,” and “us” refer only to CenterPoint Energy Resources Corp. and not to any of our subsidiaries.

DESCRIPTION OF THE SENIOR NOTES

Our debt securities are issued under an indenture, dated as of February 1, 1998, as supplemented, between us and The Bank of New York Mellon Trust Company, N.A. (successor to JPMorgan Chase Bank, National Association), as trustee (the “Indenture”), as amended and supplemented, in the case of the Senior Notes, by Supplemental Indenture No. 12, dated as of October 23, 2007, each of which are incorporated by reference as an exhibit to the Annual Report on Form 10-K of which this Exhibit 4(z) is a part. As of December 31, 2021, $250,000,000 aggregate principal amount of the Notes were outstanding. We have summarized selected provisions of the Indenture and the Senior Notes below. This summary is not complete and is qualified in its entirety by reference to the Indenture and Supplemental Indenture No. 12. We encourage you to read the above referenced Indenture and Supplemental Indenture No. 12 for additional information.

Ranking of the Senior Notes. The Senior Notes:

• are general unsecured obligations,

• rank equally in right of payment with all of our other existing and future unsecured and unsubordinated indebtedness, and

• with respect to the assets and earnings of our subsidiaries, structurally rank below all of the liabilities of our subsidiaries.

Principal, Maturity and Interest. The Senior Notes mature on November 1, 2037. Interest on the Senior Notes accrues at the rate of 6.625% per annum. Interest on the Senior Notes:

• is payable semi-annually in arrears on each May 1 and November 1,

• is payable to the person in whose name the notes are registered at the close of business on the April 15 and October 15 immediately preceding the applicable interest payment date, which we refer to with respect to the notes as “regular record dates,”

• is computed on the basis of a 360-day year comprised of twelve 30-day months, and

• is payable on overdue interest to the extent permitted by law at the same rate as interest is payable on principal.

If any interest payment date, the maturity date or any redemption date falls on a day that is not a business day, the payment will be made on the next business day with the same force and effect as if made on the relevant interest payment date, maturity date or redemption date. Unless we default on a payment, no interest will accrue for the period from and after the applicable maturity date or redemption date.

Optional Redemption. We may redeem the Senior Notes, in whole or in part, at our option exercisable at any time and from time to time upon not less than 30 and not more than 60 days’ notice as provided in the indenture, on any date prior to their maturity at a redemption price equal to:

• 100% of the principal amount of the notes to be redeemed, plus

• accrued and unpaid interest thereon, if any, to, but excluding, the redemption date, plus

• the make-whole premium described below, if any.

The redemption price will never be less than 100% of the principal amount of the Senior Notes redeemed plus accrued and unpaid interest thereon, if any, to, but excluding, the redemption date. The amount of the make-whole premium with respect to any note to be redeemed will be equal to the excess, if any, of:

(1)the sum of the present values, calculated as of the redemption date, of:

• each interest payment that, but for such redemption, would have been payable on the note or portion thereof being redeemed on each interest payment date occurring after the redemption date (excluding any accrued and unpaid interest for the period prior to the redemption date), and

• the principal amount that, but for such redemption, would have been payable at the final maturity of the note or portion thereof being redeemed, over

(2)the principal amount of the note or portion thereof being redeemed.

The present values of interest and principal payments referred to in clause (1) above will be determined in accordance with generally accepted principles of financial analysis. These present values will be calculated by discounting the amount of each payment of interest or principal from the date that each such payment would have been payable, but for the redemption, to the redemption date at a discount rate equal to the comparable treasury yield (as defined below) plus 30 basis points.

The make-whole premium will be calculated by an independent investment banking institution of national standing appointed by us. If we fail to appoint an independent investment banking institution at least 45 days prior to the redemption date, or if the independent investment banking institution we appoint is unwilling or unable to calculate the make-whole premium, the calculation will be made by Citigroup Global Markets Inc., Morgan Stanley & Co. Incorporated or UBS Securities LLC. If Citigroup Global Markets Inc., Morgan Stanley & Co. Incorporated and UBS Securities LLC are unwilling or unable to make the calculation, we will appoint a different independent investment banking institution of national standing to make the calculation.

For purposes of determining the make-whole premium, “comparable treasury yield” means a rate of interest per annum equal to the weekly average yield to maturity of United States Treasury Securities that have a constant maturity that corresponds to the remaining term to maturity of the notes to be redeemed, calculated to the nearest

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1/12th of a year. The comparable treasury yield will be determined as of the third business day immediately preceding the applicable redemption date.

The weekly average yields of United States Treasury Securities will be determined by reference to the most recent statistical release published by the Federal Reserve Bank of New York and designated “H.15(519) Selected Interest Rates” or any successor release. If this statistical release sets forth a weekly average yield for United States Treasury Securities having a constant maturity that is the same as the remaining term of the notes to be redeemed calculated as set forth above, then the comparable treasury yield will be equal to such weekly average yield. In all other cases, the comparable treasury yield will be calculated by interpolation on a straight-line basis, between the weekly average yields on the United States Treasury Securities that have a constant maturity closest to and greater than the remaining term of the notes to be redeemed and the United States Treasury Securities that have a constant maturity closest to and less than the remaining term of notes (in each case as set forth in the H.15 statistical release or any successor release). Any weekly average yields calculated by interpolation will be rounded to the nearest 1/100th of 1%, with any figure of 1/200th of 1% or above being rounded upward. If weekly average yields for United States Treasury Securities are not available in the H.15 statistical release or otherwise, then the comparable treasury yield will be calculated by interpolation of comparable rates selected by an independent investment banking institution selected in the manner described in the second preceding paragraph.

If we redeem less than all the Senior Notes, the trustee will select the Senior Notes for redemption on a pro rata basis, by lot or by such other method as the trustee in its sole discretion deems fair and appropriate. We will only redeem notes in multiples of $1,000 in original principal amount. If any note is to be redeemed in part only, the notice of redemption will state the portion of the principal amount to be redeemed. A new note in principal amount equal to the unredeemed portion of the original note will be issued upon the cancellation of the original note.

Sinking Fund. We are not obligated to make mandatory redemption or sinking fund payments with respect to the Senior Notes.

Restrictive Covenants. The Indenture does not limit the amount of indebtedness or other obligations that we may incur and does not contain provisions that would give holders of the notes the right to require us to repurchase their notes in the event of a change in control of us, or in the event we enter into one or more highly leveraged transactions, regardless of whether a rating decline results therefrom, or in the event we dispose of one or more of our business units, nor are any such events deemed to be events of default under the terms of the Indenture.

Limitations on Liens.  We will not, and we will not permit any subsidiary (as defined below) to, pledge, mortgage or hypothecate, or permit to exist, except in our favor or in favor of any subsidiary, any lien (as defined below) upon any principal property (as defined below) or any equity interest (as defined below) in any significant subsidiary (as defined below) owning any principal property, at any time owned by us or by a subsidiary, to secure any indebtedness (as defined below), unless effective provision is made whereby outstanding notes will be secured equally and ratably therewith (or prior thereto), and with any other indebtedness similarly entitled to be equally and ratably secured. This restriction will not apply to or prevent the creation or existence of:

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• liens on any property held or used by us or a subsidiary in connection with the exploration for, development of or production of, oil, gas, natural gas (including liquefied gas and storage gas), other hydrocarbons, helium, coal, metals, minerals, steam, timber, geothermal or other natural resources or synthetic fuels, such properties to include, but not be limited to, our or a subsidiary’s interest in any mineral fee interests, oil, gas or other mineral leases, royalty, overriding royalty or net profits interests, production payments and other similar interests, wellhead production equipment, tanks, field gathering lines, leasehold or field separation and processing facilities, compression facilities and other similar personal property and fixtures,

• liens on oil, gas, natural gas (including liquefied gas and storage gas), other hydrocarbons, helium, coal, metals, minerals, steam, timber, geothermal or other natural resources or synthetic fuels produced or recovered from any property, an interest in which is owned or leased by us or a subsidiary,

• liens (or certain extensions, renewals or refundings thereof) upon any property acquired, constructed or improved before or after the date the notes are first issued, which liens were or are created at the later of the time of acquisition or commercial operation thereof, or within one year thereafter to secure all or a portion of the purchase price thereof or the cost of construction or improvement, or existing thereon at the date of acquisition, provided that every such mortgage, pledge, lien or encumbrance applies only to the property so acquired or constructed and fixed improvements thereon,

• liens upon any property of any entity acquired by any entity that is or becomes a subsidiary after the date the notes are first issued, each of which we refer to as an “acquired entity,” provided that every such mortgage, pledge, lien or encumbrance:

• will either:

• exist prior to the time the acquired entity becomes a subsidiary, or

• be created at the time the acquired entity becomes a subsidiary or within one year thereafter to secure payment of the acquisition price thereof, and

• will only apply to those properties owned by the acquired entity at the time it becomes a subsidiary or thereafter acquired by it from sources other than us or any other subsidiary,

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• pledges of current assets, in the ordinary course of business, to secure current liabilities,

• deposits, including among others, good faith deposits in connection with tenders, leases of real estate or bids or contracts, or liens, including among others, liens reserved in leases and mechanics’ or materialmen’s liens, to secure certain duties or public or statutory obligations,

• liens upon any office, data processing or transportation equipment,

• liens created or assumed in connection with the issuance of debt securities, the interest on which is excludable from gross income of the holder of such security pursuant to the Internal Revenue Code, for the purpose of financing the acquisition or construction of property to be used by us or a subsidiary,

• pledges or assignments of accounts receivable or conditional sales contracts or chattel mortgages and evidence of indebtedness secured thereby, received in connection with the sale of goods or merchandise to customers, or

• certain liens for taxes, judgments and attachments.

Notwithstanding the foregoing, we or a subsidiary may issue, assume or guarantee indebtedness secured by a mortgage which would otherwise be subject to the foregoing restrictions in an aggregate amount which, together with all of our other indebtedness or indebtedness of a subsidiary secured by a mortgage (not including secured indebtedness permitted under the foregoing exceptions) and the value (as defined below) of all sale and leaseback transactions (as defined below) existing at such time (other than sale and leaseback transactions (i) which, if a lien, would have been permitted under the third or fourth bullet points above or (ii) as to which application of amounts have been made in accordance with “— Limitation on Sale and Leaseback Transactions” below), does not at the time such indebtedness is incurred exceed 5% of consolidated net tangible assets (as defined below), as shown on our most recent audited consolidated balance sheet preceding the date of determination. For purposes of this “Limitation on Liens” covenant, subsidiary does not include a project finance subsidiary (as defined below).

Limitation on Sale and Leaseback Transactions.  We will not, and we will not permit any subsidiary to, engage in a sale and leaseback transaction of any principal property unless the net proceeds of such sale are at least equal to the fair value of such principal property (as determined by our board of directors) and either:

• we or such subsidiary would be entitled under the indenture to incur indebtedness secured by a lien on the principal property to be leased, without equally and ratably securing the notes, pursuant to the exceptions provided in the third and fourth bullet points of the second sentence of “— Limitations on Liens” above, or

• within 120 days after the sale or transfer of the principal property, we apply an amount not less than the fair value of such property:

• to the payment or other retirement of our long-term indebtedness or long-term indebtedness of a subsidiary, in each case ranking senior to or on parity with the notes, or

• to the purchase at not more than the fair value of principal property (other than that involved in such sale and leaseback transaction).

For purposes of this “Limitation on Sale and Leaseback Transactions” covenant, subsidiary does not include a project finance subsidiary.

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Defined Terms.

“Capital lease” means a lease that, in accordance with accounting principles generally accepted in the United States, would be recorded as a capital lease on the balance sheet of the lessee.

“Consolidated net tangible assets” means the total amount of our assets, including the assets of our subsidiaries, less, without duplication:

• total current liabilities (excluding indebtedness due within 12 months),

• all reserves for depreciation and other asset valuation reserves, but excluding reserves for deferred federal income taxes,

• all intangible assets such as goodwill, trademarks, trade names, patents and unamortized debt discount and expense carried as an asset, and

• all appropriate adjustments on account of minority interests of other persons holding common stock of any subsidiary, all as reflected in our most recent audited consolidated balance sheet preceding the date of such determination.

“Equity interests” means any capital stock, partnership, joint venture, member or limited liability or unlimited liability company interest, beneficial interest in a trust or similar entity or other equity interest or investment of whatever nature.

“Indebtedness,” as applied to us or any subsidiary, means bonds, debentures, notes and other instruments or arrangements representing obligations created or assumed by us or any such subsidiary, including any and all:

• obligations for money borrowed, other than unamortized debt discount or premium,

• obligations evidenced by a note or similar instrument given in connection with the acquisition of any business, properties or assets of any kind,

• obligations as lessee under a capital lease, and

• amendments, renewals, extensions, modifications and refundings of any such indebtedness or obligation listed in the three immediately preceding bullet points.

All indebtedness secured by a lien upon property owned by us or any subsidiary and upon which indebtedness we or any such subsidiary customarily pays interest, although we or any such subsidiary has not assumed or become liable for the payment of such indebtedness, is also deemed to be indebtedness of us or any such subsidiary. All indebtedness for borrowed money incurred by other persons which is directly guaranteed as to payment of principal by us or any subsidiary will for all purposes of the indenture be deemed to be indebtedness of us or any such subsidiary, but no other contingent obligation of us or any such subsidiary in respect of indebtedness incurred by other persons shall be deemed indebtedness of us or any such subsidiary.

“Lien” means any mortgage, deed of trust, pledge, hypothecation, assignment, deposit arrangement, charge, security interest, encumbrance or lien of any kind whatsoever (including any capital lease).

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“Non-recourse debt” means (i) any indebtedness for borrowed money incurred by any project finance subsidiary to finance the acquisition, improvement, installation, design, engineering, construction, development, completion, maintenance or operation of, or otherwise to pay costs and expenses relating to or providing financing for, any project, which indebtedness for borrowed money does not provide for recourse against us or any of our subsidiaries (other than a project finance subsidiary and such recourse as exists under a performance guaranty) or any property or asset of us or any of our subsidiaries (other than equity interests in, or the property or assets of, a project finance subsidiary and such recourse as exists under a performance guaranty) and (ii) any refinancing of such indebtedness for borrowed money that does not increase the outstanding principal amount thereof (other than to pay costs incurred in connection therewith and the capitalization of any interest or fees) at the time of the refinancing or increase the property subject to any lien securing such indebtedness for borrowed money or otherwise add additional security or support for such indebtedness for borrowed money.

“Performance guaranty” means any guaranty issued in connection with any non-recourse debt that (i) if secured, is secured only by assets of or equity interests in a project finance subsidiary, and (ii) guarantees to the provider of such non-recourse debt or any other person (a) performance of the improvement, installation, design, engineering, construction, acquisition, development, completion, maintenance or operation of, or otherwise affects any such act in respect of, all or any portion of the project that is financed by such non-recourse debt, (b) completion of the minimum agreed equity or other contributions or support to the relevant project finance subsidiary, or (c) performance by a project finance subsidiary of obligations to persons other than the provider of such non-recourse debt.

“Principal property” means any natural gas distribution property, natural gas pipeline or gas processing plant located in the United States, except any such property that in the opinion of our board of directors is not of material importance to the total business conducted by us and our consolidated subsidiaries. “Principal property” shall not include any oil or gas property or the production or proceeds of production from an oil or gas producing property or the production or any proceeds of production of gas processing plants or oil or gas or petroleum products in any pipeline or storage field.

“Project finance subsidiary” and “project finance subsidiaries” means any of our subsidiaries designated by us whose principal purpose is to incur non-recourse debt and/or construct, lease, own or operate the assets financed thereby, or to become a direct or indirect partner, member or other equity participant or owner in a person created for such purpose, and substantially all the assets of which subsidiary or person are limited to (x) those assets being financed (or to be financed), or the operation of which is being financed (or to be financed), in whole or in part by non-recourse debt, or (y) equity interests in, or indebtedness or other obligations of, one or more other such subsidiaries or persons, or (z) indebtedness or other obligations of us or our subsidiaries or other persons. At the time of designation of any project finance subsidiary, the sum of the net book value of the assets of such subsidiary and the net book value of the assets of all other project finance subsidiaries then existing shall not in the aggregate exceed 10 percent of the consolidated net tangible assets.

“Sale and leaseback transaction” means any arrangement entered into by us or any subsidiary with any person providing for the leasing to us or any subsidiary of any principal property (except for temporary leases for a term, including any renewal thereof, of not more than three years and except for leases between us and a subsidiary or between subsidiaries), which principal property has been or is to be sold or transferred by us or such subsidiary to such person.

“Significant subsidiary” means any subsidiary of ours, other than a project finance subsidiary, that is a “significant subsidiary” as defined in Rule 1-02 of Regulation S-X under the Securities Act of 1933 and the Securities Exchange Act of 1934, as such regulation is in effect on the date of issuance of the notes.

“Subsidiary” of any entity means any corporation, partnership, joint venture, limited liability company, trust or estate of which (or in which) more than 50% of (i) the issued and outstanding capital stock having ordinary voting power to elect a majority of the board of directors of such corporation (irrespective of whether at the time capital stock of any other class or classes of such corporation shall or might have voting power upon the occurrence of any contingency), (ii) the interest in the capital or profits of such limited liability company, partnership, joint venture or

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other entity or (iii) the beneficial interest in such trust or estate is at the time directly or indirectly owned or controlled by such entity, by such entity and one or more of its other subsidiaries or by one or more of such entity’s other subsidiaries.

“Value” means, with respect to a sale and leaseback transaction, as of any particular time, the amount equal to the greater of (1) the net proceeds from the sale or transfer of the property leased pursuant to such sale and leaseback transaction or (2) the fair value, in the opinion of our board of directors, of such property at the time of entering into such sale and leaseback transaction, in either case divided first by the number of full years of the term of the lease and then multiplied by the number of full years of such term remaining at the time of determination, without regard to any renewal or extension options contained in the lease.

Payment and Paying Agent. We have designated the trustee as the sole paying agent for the Senior Notes.

Events of Default. Each of the following is an event of default under the indenture with respect to the Senior Notes; provided, however, that the event of default described in the fourth bullet point below will terminate pursuant to the termination provision of the indenture and will no longer be applicable to the notes on and after the termination date referred to under “Restrictive Covenants” above:

• our failure to pay principal or premium, if any, on the notes when due,

• our failure to pay any interest on the notes for 30 days,

• our failure to perform, or our breach in any material respect of, any other covenant or warranty in the indenture, other than a covenant or warranty included in the indenture solely for the benefit of another series of our debt securities issued under the indenture, for 90 days after either the trustee or holders of at least 25% in principal amount of the outstanding notes of that series have given us written notice of the breach in the manner required by the indenture,

• the default by us or any subsidiary, other than a project finance subsidiary, of ours in the payment, when due, after the expiration of any applicable grace period, of principal of indebtedness for money borrowed, other than non-recourse debt, in the aggregate principal amount then outstanding of $50 million or more, or acceleration of any indebtedness for money borrowed in such aggregate principal amount so that it becomes due and payable prior to the date on which it would otherwise have become due and payable and such acceleration is not rescinded or such default is not cured within 30 days after notice to us in accordance with the indenture, and

• specified events involving bankruptcy, insolvency or reorganization,

provided, however, that no event described in the third, fourth or fifth bullet points above will be an event of default until an officer of the trustee, assigned to and working in the trustee’s corporate trust department, has actual knowledge of the event or until the trustee receives written notice of the event at its corporate trust office, and the notice refers to the notes generally, us or the indenture. (Section 501)

If an event of default occurs and is continuing with respect to the notes, either the trustee or the holders of at least 25% in principal amount of the outstanding notes may declare the principal amount of the notes due and immediately payable. To declare the principal amount of the notes due and immediately payable, the trustee or the holders must deliver a notice that satisfies the requirements of the indenture. Upon a declaration by the trustee or the holders, we will be obligated to pay the principal amount of the notes.

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This right does not apply if an event of default described in the fifth bullet point above occurs. If one of the events of default described in the fifth bullet point above occurs and is continuing, the notes then outstanding under the indenture shall be due and payable immediately.

After any declaration of acceleration of the notes, but before a judgment or decree for payment, the holders of a majority in principal amount of the outstanding notes may, under certain circumstances, rescind and annul the declaration of acceleration if all events of default, other than the non-payment of principal, have been cured or waived as provided in the indenture. (Section 502) 

If an event of default occurs and is continuing, the trustee will generally have no obligation to exercise any of its rights or powers under the indenture at the request or direction of any of the holders, unless the holders offer reasonable indemnity to the trustee. (Section 603) The holders of a majority in principal amount of the outstanding notes will generally have the right to direct the time, method and place of conducting any proceeding for any remedy available to the trustee or exercising any trust or power conferred on the trustee for the notes, provided that:

• the direction is not in conflict with any law or the indenture,

• the trustee may take any other action it deems proper which is not inconsistent with the direction, and

• the trustee will generally have the right to decline to follow the direction if an officer of the trustee determines, in good faith, that the proceeding would involve the trustee in personal liability or would otherwise be contrary to applicable law. (Section 512)

A holder of a note may only pursue a remedy under the indenture if:

• the holder has previously given the trustee written notice of a continuing event of default for the notes,

• holders of at least 25% in principal amount of the outstanding notes have made a written request to the trustee to pursue that remedy,

• the holders have offered reasonable indemnity to the trustee,

• the trustee fails to pursue that remedy within 60 days after receipt of the notice, request and offer of indemnity, and

• during that 60-day period, the holders of a majority in principal amount of the notes do not give the trustee a direction inconsistent with the request. (Section 507)

However, these limitations do not apply to a suit by a holder of a note demanding payment of the principal, premium, if any, or interest on a note on or after the date the payment is due. (Section 508)

We will be required to furnish to the trustee annually a statement by some of our officers regarding our performance or observance of any of the terms of the indenture and specifying all of our known defaults, if any. (Section 1004)

Defeasance.If we deposit with the trustee funds or government securities sufficient to make payments on the notes on the dates those payments are due and payable, then, at our option, either of the following will occur:

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• we will be discharged from our obligations with respect to the notes (“legal defeasance”), or

• we will no longer have any obligation to comply with the restrictive covenants under the indenture, and the related events of default in the third and fourth bullet points under “— Events of Default” above and the restrictions described under “— Consolidation, Merger and Sale of Assets” below will no longer apply to us, but some of our other obligations under the indenture and the notes, including our obligation to make payments on those notes, will survive.

If we defease the notes, the holders of the notes will not be entitled to the benefits of the indenture, except for our obligations to:

• register the transfer or exchange of the notes,

• replace mutilated, destroyed, lost or stolen notes, and

• maintain paying agencies and hold moneys for payment in trust.

We will be required to deliver to the trustee an opinion of counsel that the deposit and related defeasance would not cause the holders of the notes to recognize gain or loss for federal income tax purposes and that the holders would be subject to federal income tax on the same amounts, in the same manner and at the same times as would have been the case if the deposit and related defeasance had not occurred. If we elect legal defeasance, that opinion of counsel must be based upon a ruling from the United States Internal Revenue Service or a change in law to that effect. (Sections 1401, 1402, 1403 and 1404).

Consolidation, Merger and Sale of Assets

Under the indenture, we may not consolidate with or merge into, or convey, transfer or lease our properties and assets substantially as an entirety, to any person, referred to as a “successor person,” and we may not permit any person to consolidate with or merge into, or convey, transfer or lease its properties and assets substantially as an entirety to us, unless:

• the successor person is a corporation, partnership, trust or other entity organized and validly existing under the laws of the United States of America or any state thereof or the District of Columbia,

• the successor person expressly assumes our obligations with respect to the debt securities and the indenture,

• immediately after giving effect to the transaction, no event of default, and no event which, after notice or lapse of time or both, would become an event of default, would occur and be continuing, and

• we have delivered to the trustee the certificates and opinions required under the indenture. (Section 801)

As used in the indenture, the term “corporation” means a corporation, association, company, joint-stock company or business trust.

Exchange and Transfer of the Senior Notes. The notes were issued in registered form, without coupons, in denominations of integral multiples of $1,000. Holders may present notes for exchange or for registration of transfer

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at the office of the security registrar or at the office of any transfer agent we designate for that purpose. The security registrar or designated transfer agent will exchange or transfer the notes if it is satisfied with the documents of title and identity of the person making the request. We will not charge a service charge for any exchange or registration of transfer of notes. However, we may require payment of a sum sufficient to cover any tax or other governmental charge payable for the exchange or registration of transfer. The trustee will serve as the security registrar. (Section 305) At any time we may:

• designate additional transfer agents,

• rescind the designation of any transfer agent, or

• approve a change in the office of any transfer agent.

However, we are required to maintain a transfer agent in each place of payment for the Senior Notes at all times. (Sections 305 and 1002)

In the event we elect to redeem the Senior Notes, neither we nor the trustee will be required to register the transfer or exchange of the Senior Notes:

• during the period beginning at the opening of business 15 days before the day we mail the notice of redemption for such notes and ending at the close of business on the day the notice is mailed, or

• if we have selected such notes for redemption, in whole or in part, except for the unredeemed portion of such notes. (Section 305)

Regarding the Trustee. The Bank of New York Mellon Trust Company, N.A., successor to JPMorgan Chase Bank, National Association, is the trustee, security registrar and paying agent under the Indenture for the Senior Notes. Our affiliates maintain brokerage relationships and a rabbi trust with the trustee and its affiliates.

Book-Entry Delivery and Settlement. The Senior Notes were issued in the form of one or more permanent global notes in definitive, fully registered, book-entry form. The global notes were either deposited with or on behalf of The Depository Trust Company and registered in the name of Cede & Co., as nominee of DTC, or remained in the custody of the trustee in accordance with the FAST Balance Certificate Agreement between DTC and the trustee. Beneficial interests in the global notes are represented through book-entry accounts of financial institutions acting on behalf of beneficial owners as direct and indirect participants in DTC. Investors may hold interests in the global notes through DTC either directly if they are participants in DTC or indirectly through organizations that are participants in DTC. DTC has advised us as follows:

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• DTC is a limited-purpose trust company organized under the New York Banking Law, a “banking organization” within the meaning of the New York Banking Law, a member of the Federal Reserve System, a “clearing corporation” within the meaning of the New York Uniform Commercial Code and a “clearing agency” registered under Section 17A of the Securities Exchange Act of 1934.

• DTC holds securities that its participants deposit with DTC and facilitates the settlement among participants of securities transactions, such as transfers and pledges, in deposited securities through electronic computerized book-entry changes in participants’ accounts, thereby eliminating the need for physical movement of securities certificates.

• Direct participants include securities brokers and dealers, banks, trust companies, clearing corporations and other organizations.

• DTC is owned by a number of its direct participants and by The New York Stock Exchange, Inc., the American Stock Exchange LLC and the Financial Industry Regulatory Authority, Inc.

• Access to the DTC system is also available to others such as securities brokers and dealers, banks and trust companies that clear through or maintain a custodial relationship with a direct participant, either directly or indirectly.

• The rules applicable to DTC and its direct and indirect participants are on file with the SEC.

We have provided the description of the operations and procedures of DTC herein solely as a matter of convenience. These operations and procedures are solely within the control of DTC and are subject to change by it from time to time. Neither we nor the underwriters or the trustee takes any responsibility for these operations or procedures, and you are urged to contact DTC or its participants directly to discuss these matters.

We expect that under procedures established by DTC:

• upon deposit of the global notes with DTC or its custodian, DTC will credit on its internal system the accounts of direct participants designated by the underwriters with portions of the principal amounts of the global notes; and

• ownership of the notes will be shown on, and the transfer of ownership thereof will be effected only through, records maintained by DTC or its nominee, with respect to interests of direct participants, and the records of direct and indirect participants, with respect to interests of persons other than participants.

The laws of some jurisdictions may require that purchasers of securities take physical delivery of those securities in definitive form. Accordingly, the ability to transfer interests in the notes represented by a global note to those persons may be limited. In addition, because DTC can act only on behalf of its participants, who in turn act on behalf of persons who hold interests through participants, the ability of a person having an interest in notes represented by a global note to pledge or transfer those interests to persons or entities that do not participate in DTC’s system, or otherwise to take actions in respect of such interest, may be affected by the lack of a physical definitive security in respect of such interest.

So long as DTC or its nominee is the registered owner of a global note, DTC or that nominee will be considered the sole owner or holder of the notes represented by that global note for all purposes under the indenture and under the notes. Except as provided below, owners of beneficial interests in a global note will not be entitled to have notes represented by that global note registered in their names, will not receive or be entitled to receive

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physical delivery of certificated notes and will not be considered the owners or holders thereof under the indenture or under the notes for any purpose, including with respect to the giving of any direction, instruction or approval to the trustee. Accordingly, each holder owning a beneficial interest in a global note must rely on the procedures of DTC and, if that holder is not a direct or indirect participant, on the procedures of the participant through which that holder owns its interest, to exercise any rights of a holder of notes under the indenture or the global note.

Neither we nor the trustee will have any responsibility or liability for any aspect of the records relating to or payments made on account of notes by DTC, or for maintaining, supervising or reviewing any records of DTC relating to the notes.

Payments on the notes represented by the global notes will be made to DTC or its nominee, as the case may be, as the registered owner thereof. We expect that DTC or its nominee, upon receipt of any payment on the notes represented by a global note, will credit participants’ accounts with payments in amounts proportionate to their respective beneficial interests in the global note as shown in the records of DTC or its nominee. We also expect that payments by participants to owners of beneficial interests in the global note held through such participants will be governed by standing instructions and customary practice as is now the case with securities held for the accounts of customers registered in the names of nominees for such customers. The participants will be responsible for those payments.

Certificated Notes. Certificated notes will be issued to each person that DTC identifies as the beneficial owner of the notes represented by the global notes, upon surrender by DTC of the global notes, if (i) DTC or any successor depositary (the “depositary”) notifies us that it is no longer willing or able to act as a depositary for the global notes or DTC ceases to be registered as a clearing agency under the Securities Exchange Act of 1934 and a successor depositary is not appointed within 90 days of such notice or cessation, (ii) we, at our option and subject to DTC procedures, notify the trustee in writing that we elect to cause the issuance of notes in definitive form under the indenture or (iii) upon the occurrence of certain other events as provided pursuant to the indenture.

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EX-10.(L)

CENTERPOINT ENERGY, INC.
SHORT TERM INCENTIVE PLAN

(As Amended and Restated Effective January 1, 2022)

RECITALS

Effective for Plan Years beginning on or after January 1, 2022, the Board of Directors of CenterPoint Energy, Inc. (the "Company") has adopted the CenterPoint Energy, Inc. Short Term Incentive Plan (As Amended and Restated Effective January 1, 2022) (the "Plan") on the terms and conditions hereinafter stated. The Plan, as set forth herein, amends and restates, in its entirety the CenterPoint Energy, Inc. Short Term Incentive Plan (As Amended and Restated Effective January 1, 2019) (the “Prior Plan”).

There shall be no termination and no gap or lapse in time or effect between the Prior Plan and this Plan. The amendment, restatement and continuation of the Prior Plan in the form of this Plan shall not operate to exclude, diminish, limit or restrict the payments or continuation of payments of benefits to Participants under the terms of the Prior Plan as in effect prior to its amendment, restatement and continuation in the form of this Plan. Except to the extent otherwise required to reflect the fact that benefits accrued under the Prior Plan are continued under this Plan, the provisions of this Plan shall apply only to an employee eligible to participate under this Plan on or after January 1, 2022.

NOW, THEREFORE, effective for Plan Years beginning on or after January 1, 2022, the Company hereby amends and restates in its entirety and continues the Prior Plan as follows:

1.Purpose:The purpose of the Plan is to encourage a high level of corporate performance through the establishment of predetermined corporate, Subsidiary or business unit and/or individual goals, the attainment of which will require a high degree of competence and diligence on the part of those Employees (including officers) of the Company or of its participating Subsidiaries selected to participate in the Plan, and which will be beneficial to the owners and customers of the Company.

2.Definitions:Unless the context otherwise clearly requires, the following definitions are applicable to the Plan:

Award:An incentive compensation award generally payable in cash granted to a Participant with respect to a particular Plan Year pursuant to any applicable terms, conditions and limitations as the Committee may establish in order to fulfill the objectives of the Plan.

Board of Directorsor Board:The Board of Directors of the Company.

Code:The Internal Revenue Code of 1986, as amended from time to time.

Committee:The Compensation Committee of the Board of Directors.

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Company:CenterPoint Energy, Inc. or any successor thereto.

Compensation:Compensation means the annualized base pay of the Participant as in effect on December 31 of the Plan Year with respect to which the Award is made (or, for purposes of Section 4(a) of the Plan, on the date of the Participant’s Retirement, death, or disability, as applicable), as determined under any reasonable method established by the Company, including any adjustments required under applicable labor law (such as overtime). Notwithstanding the foregoing, any Participant covered by the terms of a collective bargaining agreement shall have his Compensation calculated in the manner consistent with the collective bargaining agreement, if applicable.

Eligible Earnings: Eligible Earnings during the year means the actual base salary paid to a salaried exempt Participant during the Plan Year, including vacation, holiday and sick time. Eligible Earnings exclude all special payments, bonuses, allowances, reimbursements, and payments in lieu of overtime. Eligible Earnings during the year means the actual gross wages paid to an hourly or salaried non-exempt Participant during the Plan Year, including vacation, holiday and sick time. Eligible Earnings exclude all special payments, bonuses, allowances, reimbursements, but include overtime pay in a manner consistent with the requirements of applicable labor law. Notwithstanding the foregoing, any Participant covered by the terms of a collective bargaining agreement shall have his Eligible Earnings calculated in the manner consistent with the collective bargaining agreement, if applicable.

Employee:An employee of the Company or any of its Subsidiaries who is a regular full or part-time employee and who regularly works at least 20 hours per week.

Employer:The Company and each Subsidiary which is designated by the Committee as an Employer under this Plan.

Participant:An Employee who is selected to participate in the Plan.

Payment Date: The date an Award shall be paid as provided in Section 8(b) of the Plan.

Performance Goals: The performance objectives of the Company, its Subsidiaries or its business units and/or individual Participants established for the purpose of determining the level of Awards, if any, earned during a Plan Year.

Plan:This CenterPoint Energy, Inc. Short Term Incentive Plan, as amended from time to time.

Plan Year:The calendar year.

Retirement Date: A Participant's date of termination of employment with his Employer (and all other Employers and affiliates of the Company) that is on or after the

2

date on which he has (i) attained age 55 and (ii) completed five years of “Vesting Service” (as defined in the Retirement Plan).

Retirement Plan:CenterPoint Energy Retirement Plan, as amended and restated effective January 1, 2021, and as thereafter amended.

Subsidiary:A subsidiary corporation with respect to the Company as defined in Section 424(f) of the Code.

A pronoun or adjective in the masculine gender includes the feminine gender, and the singular includes the plural, unless the context clearly indicates otherwise.

3.Participation:The Committee (or its appropriately designated delegate) shall select the Employees who will be Participants for each Plan Year. No Employee shall at any time have the right (a) to be selected as a Participant in the Plan for any Plan Year, (b) if so selected, to be entitled to an Award, or (c) if selected as a Participant in one Plan Year, to be selected as a Participant in any subsequent Plan Year. The terms and conditions under which a Participant may participate in the Plan shall be determined by the Committee (or its appropriately designated delegate) in its sole discretion.

4.Eligibility:Except as provided below, only Participants who (x) are Employees on the last business day prior to October 1 of the Plan Year and (y) are continuously Employees from such date through the Payment Date are eligible for the payment of an Award under the Plan. Employees covered by a collective bargaining agreement providing for participation in this Plan are eligible for payments under this Plan only to the extent of the specific terms contained in the applicable collective bargaining agreement. Employees covered by a collective bargaining agreement that does not specifically provide for their participation in this Plan are not eligible for any payments under this Plan under any circumstances notwithstanding the following.

(a)Retirement, Death or Disability During the Plan Year:

(i)Retirement: If a Participant (A) was an Employee on January 2 of the Plan Year and (B) terminates during the Plan Year on his Retirement Date, then the Participant shall nonetheless receive payment of a prorated portion of his Award determined by multiplying (x) the Award the Participant would have received had the Performance Goals with respect to the Participant's Award been met at the target level, without regard to the Participant’s individual performance, based on the Participant’s Compensation on his Retirement Date by (y) a fraction, the numerator of which is the number of days that the Participant participated in the Plan during the Plan Year through the Participant's Retirement Date, and the denominator of which is the total number of days in the Plan Year. Notwithstanding the foregoing, for the 2022 Plan Year only, the amount of any payment under this clause (i) shall not be determined as described above and shall instead be equal to the Award the Participant would have received had the Performance Goals with respect to the Participant's Award been

3

met at the target level, without regard to the Participant’s individual performance, based on the Participant’s Eligible Earnings earned prior to his Retirement Date. Any payment under this clause (i) shall be made as soon as practicable following the Participant’s Retirement Date, but no later than 30 days after the Retirement Date.

(ii)Death or Disability: If, during the Plan Year, a Participant dies or terminates employment under circumstances establishing eligibility for disability benefits under the Company's long-term disability plan, then the Participant shall nonetheless receive payment of a prorated portion of his Award determined by multiplying (A) the Award the Participant would have received had the Performance Goals with respect to the Participant's Award been met at the target level, without regard to the Participant’s individual performance, based on the Participant’s Compensation as of the date of his death or disability by (B) a fraction, the numerator of which is the number of days that the Participant participated in the Plan during the Plan Year through the date of the Participant’s death or disability, and the denominator of which is the total number of days in the Plan Year. Notwithstanding the foregoing, for the 2022 Plan Year only, the amount of any payment under this clause (ii) shall not be determined as described above and shall instead be equal to the Award the Participant would have received had the Performance Goals with respect to the Participant's Award been met at the target level, without regard to the Participant’s individual performance, based on the Participant’s Eligible Earnings earned prior to the his death or disability. Any payments under this clause (ii) shall be made as soon as practicable following the date of the Participant's death or disability, but no later than 30 days after the date of the Participant's death or disability.

(b)Retirement, Death or Disability After Last Day of the Plan Year:

(i)Retirement: If a Participant would be eligible for the payment of an Award under the prior provisions of this Section 4 except that, after the last day of the Plan Year and before the Payment Date, the Participant terminates employment on his Retirement Date, then the Participant shall nonetheless receive a payment of the Award (if any) based on the Committee’s determination of actual achievement of the Performance Goals with respect to the Participant’s Award, the Participant’s individual performance during the Plan Year, and his Compensation for the Plan Year. Payments under this clause (i) shall be made as provided in Section 8(b).

(ii)Death or Disability: If a Participant would be eligible for the payment of an Award under the prior provisions of this Section 4 except that, after the last day of the Plan Year and before the Payment Date, the Participant dies or terminates employment under circumstances establishing eligibility for disability benefits under the Company's long-term disability plan, then the

4

Participant shall nonetheless receive payment of the Award (if any) based on the Committee’s determination of actual achievement of the Performance Goals with respect to the Participant’s Award, without regard to the Participant’s individual performance, and his Compensation for the Plan Year. Payments under this clause (ii) shall be made as provided in Section 8(b).

5.Plan Administration:The Plan shall be administered by the Committee. All decisions of the Committee shall be binding and conclusive on the Participants. The Committee, on behalf of the Participants, shall enforce this Plan in accordance with its terms and shall have all powers necessary for the accomplishment of that purpose, including, but not by way of limitation, the following powers:

(a)To select the Participants;

(b)To interpret, construe, approve and adjust all terms, provisions, conditions and limitations of this Plan;

(c)To decide any questions arising as to the interpretation or application of any provision of the Plan;

(d)To prescribe forms and procedures to be followed by Employees for participation in the Plan, or for other occurrences in the administration of the Plan;

(e)To establish the terms and conditions of any Agreement under which an Award may be earned and paid; and

(f)In addition to all other powers granted herein, the Committee shall make and enforce such rules and regulations for the administration of the Plan as are not inconsistent with the terms set forth herein.

No member of the Committee or officer of the Company to whom the Committee has delegated authority in accordance with the provisions of Section 5 of this Plan shall be liable for anything done or omitted to be done by him, by any member of the Committee or by any officer of the Company in connection with the performance of any duties under this Plan, except for his own willful misconduct or as expressly provided by statute.

6.Delegation of Authority:The Committee may delegate to the Chief Executive Officer and to other senior officers of the Company its duties under this Plan (including, but not limited to, its authority to select Participants) pursuant to such conditions or limitations as the Committee may establish.

7.Awards: The Committee shall determine the terms and conditions of Awards to be made under this Plan and shall designate from time to time the individuals who are to be the recipients of Awards. Awards may also be made in combination or in tandem with, in replacement of, or as alternative to, grants or rights under this Plan or any other employee plan of

5

the Company or any of its Subsidiaries, including the plan of any acquired entity. An Award may provide for the grant or issuance of additional, replacement or alternative Awards upon the occurrence of specified events. All or part of an Award may be subject to conditions established by the Committee, which may include, but are not limited to, continuous service with the Company and its Subsidiaries and achievement of Performance Goals, such as specific individual and/or business objectives, increases in specified indices, attainment of specified growth rates and other comparable measurements of performance. Unless otherwise specified in the Plan or by the Committee, the amount payable pursuant to an Award shall be based on a percentage of the Participant's Compensation for the Plan Year, subject to proration for any Participant who does not work the full Plan Year (e.g., new hires or Participants on unpaid leave of absence).

8.Payment of Awards: The Committee has sole and absolute authority and discretion to determine whether an Award shall be paid under this Plan and if so such payment will be made in accordance with the following:

(a)Form of Payment: Generally, payment of Awards shall be made in cash and may be subject to such restrictions as the Committee shall determine.

(b)Date of Payment: Except as provided in Section 4(a), payment of any Awards for a Plan Year (“Award Plan Year”) shall be made as soon as practicable after the close of the Award Plan Year (as determined by the Committee), but in no event later than March 15th of the Plan Year immediately following the close of the Award Plan Year (“Payment Date”).

9.Assignability: Unless otherwise determined by the Committee and provided in the Agreement, no Award or any other benefit under this Plan shall be assignable or otherwise transferable, except by will or the laws of descent and distribution. Any attempted assignment of an Award or any other benefit under this Plan in violation of this Section 9 shall be null and void.

10.Tax Withholding: The Company shall have the right to withhold applicable taxes from any Award payment and to take such other action as may be necessary in the opinion of the Company to satisfy all obligations for withholding of such taxes.

11.Finality of Determinations: Any determination by the Committee in carrying out or administering this Plan shall be final and binding for all purposes and upon all interested persons and their heirs, successors, and personal representatives.

12.Employee Rights Under the Plan:No Employee or other person shall have any claim or right to be granted an Award under this Plan. Neither the Plan nor any action taken thereunder shall be construed as giving an Employee any right to be retained in the employ of the Company or an Employer. No Participant shall have any lien on any assets of the Company or an Employer by reason of any Award made under this Plan.

13.Amendment, Modification, Suspension or Termination:The Board may amend, modify, suspend or terminate this Plan for the purpose of meeting or addressing any changes in legal requirements or for any other purpose permitted by law, except that (i) no amendment or

6

alteration that would adversely affect the rights of any Participant under any Award previously granted to such Participant shall be made without the consent of such Participant and (ii) no amendment or alteration shall be effective prior to its approval by the stockholders of the Company; however clause (ii) shall only apply if, and to the extent, such approval is required by applicable legal requirements.

14.Governing Law: This Plan and all determinations made, and actions taken pursuant hereto, shall be governed by and construed in accordance with the laws of the State of Texas.

15.Exclusion from Section 409A: This Plan is intended to provide “short-term deferrals” as described in Treasury Regulation § l.409A-l(b)(4) under Section 409A of the Code (or successor guidance thereto), and not to be a “nonqualified deferred compensation plan” for purposes of Section 409A of the Code. The Plan shall be administrated and interpreted consistent with that intent.

[Remainder of page intentionally blank. Signature page follows.]

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IN WITNESS WHEREOF, CenterPoint Energy, Inc. has executed these presents as evidenced by the signature of its duly authorized officer, which may be sufficiently evidenced by any such executed copy hereof, this 17th day of December, 2021, but effective as set forth above.

	CENTERPOINT ENERGY, INC. By:/s/ David J. Lesar     David J. Lesar President and Chief Executive Officer
ATTEST: /s/ Vincent A. Mercaldi     Vincent A. Mercaldi Assistant Corporate Secretary

8

EX-10.(Q)(3)

CENTERPOINT ENERGY, INC

CHANGE IN CONTROL PLAN

(As Amended and Restated Effective May 1, 2017)

Second Amendment

CenterPoint Energy, Inc., a Texas corporation, having established the CenterPoint Energy, Inc. Change in Control Plan, as amended and restated effective May 1, 2017, (the “Plan”), and having reserved the right under Section 7.06 thereof to amend the Plan, does hereby amend the Plan, effective January 1, 2022, as follows:

1.The first sentence of Section 3.01(c) is hereby amended to read as follows:

A lump sum cash payment in an amount equal to (1) the Target Bonus in effect at the time of the Participant’s Covered Termination based on the Participant’s compensation under the STI Plan as of the date of the Participant’s Covered Termination multiplied by (2) a fraction, the numerator of which is the number of days that the Participant was employed during the performance year through the date of Participant’s Covered Termination, and the denominator of which is the total number of days in the performance year; provided, however, that such payment shall be reduced by any amount payable under the terms of the STI Plan for the performance year in which the Participant’s Covered Termination occurred.

IN WITNESS WHEREOF, CenterPoint Energy, Inc. has caused these presents to be executed by its duly authorized officer in a number of copies, all of which shall constitute one and the same instrument, which may be sufficiently evidenced by any executed copy hereof, on this 17th day of December, 2021, and effective as of the date specified above.

CENTERPOINT ENERGY, INC.

By /s/ David J. Lesar

David J. Lesar

President and Chief Executive Officer

ATTEST:

/s/ Vincent A. Mercaldi

Vincent A. Mercaldi

Assistant Corporate Secretary

EX-21

Exhibit 21

SIGNIFICANT SUBSIDIARIES OF CENTERPOINT ENERGY, INC.

The following subsidiaries are deemed “significant subsidiaries” pursuant to Item 601(b) (21) of Regulation S-K:

Utility Holding, LLC, a Delaware limited liability company and a direct wholly-owned subsidiary of CenterPoint Energy, Inc.

CenterPoint Energy Midstream, Inc., a Delaware corporation and a wholly-owned subsidiary of CenterPoint Energy, Inc.

CenterPoint Energy Houston Electric, LLC, a Texas limited liability company and an indirect wholly-owned subsidiary of CenterPoint Energy, Inc.

CenterPoint Energy Resources Corp., a Delaware corporation and an indirect wholly-owned subsidiary of CenterPoint Energy, Inc.

CenterPoint Energy Investment Management, Inc., a Delaware corporation and an indirect wholly-owned subsidiary of CenterPoint Energy, Inc.

Vectren Corporation, an Indiana corporation and a wholly-owned subsidiary of CenterPoint Energy, Inc.

Vectren Utility Holdings, Inc., an Indiana corporation and a wholly-owned subsidiary of Vectren Corporation

Southern Indiana Gas and Electric Company, an Indiana corporation and a wholly-owned subsidiary of Vectren Utility Holdings, Inc. (doing business as Vectren Energy Delivery of Indiana, Inc.)

Indiana Gas Company, Inc., an Indiana corporation and a wholly-owned subsidiary of Vectren Utility Holdings, Inc. (doing business as Vectren Energy Delivery of Indiana, Inc.)

Vectren Energy Delivery of Ohio, Inc., an Ohio corporation and a wholly-owned subsidiary of Vectren Utility Holdings, Inc.

(1) Pursuant to Item 601(b) (21) of Regulation S-K, registrant has omitted the names of subsidiaries, which considered in the aggregate as a single subsidiary, would not constitute a “significant subsidiary” (as defined under Rule 1-02(w) of Regulation S-X) as of December 31, 2021.

EX-23.1.1

Exhibit 23.1.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in Registration Statement Nos. 333-238617, 333-238825 and 333-238844 on Form S-3; Registration Statement Nos. 333-238800, 333-203201, as amended, 333-179310, 333-173660, 333-149757, 333-101202, as amended, 333-115976, as amended, 333-159586, as amended, and 333-105773, as amended on Form S-8; Post-Effective Amendment No. 1 to Registration Statement Nos. 333-32413-99, 333-49333-99, 333-38188-99, 333-60260-99 and 333-98271-99 on Form S-8; and Post-Effective Amendment No. 5 to Registration Statement No. 333-11329-99 on Form S-8 of our reports dated February 22, 2022, relating to the consolidated financial statements of CenterPoint Energy, Inc. and subsidiaries (the “Company”), and the effectiveness of the Company's internal control over financial reporting, appearing in this Annual Report on Form 10-K of CenterPoint Energy, Inc. for the year ended December 31, 2021.

/s/ DELOITTE & TOUCHE LLP

Houston, Texas

February 22, 2022

EX-23.1.2

Exhibit 23.1.2

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in Registration Statement No. 333-238617-01 on Form S-3 of our report dated February 22, 2022, relating to the consolidated financial statements of CenterPoint Energy Houston Electric, LLC and subsidiaries appearing in this Annual Report on Form 10-K of CenterPoint Energy Houston Electric, LLC for the year ended December 31, 2021.

/s/ DELOITTE & TOUCHE LLP

Houston, Texas

February 22, 2022

EX-23.1.3

Exhibit 23.1.3

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in Registration Statement No. 333-238617-02 on Form S-3 of our report dated February 22, 2022, relating to the consolidated financial statements of CenterPoint Energy Resources Corp. and subsidiaries, appearing in this Annual Report on Form 10-K of CenterPoint Energy Resources Corp. for the year ended December 31, 2021.

/s/ DELOITTE & TOUCHE LLP

Houston, Texas

February 22, 2022

EX-23.2

Exhibit 23.2

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in Registration Statement Nos. 333-238617, 333- 238825, 333-238844, and 333-233356 on Form S-3; Registration Statement Nos. 333-238800, 333-203201, as amended, 333-179310, 333-173660, 333-149757, 333-101202, as amended, 333-115976, as amended, 333-159586, as amended, and 333-105773, as amended, on Form S-8; Post-Effective Amendment No. 1 to Registration Statement Nos. 333-32413-99, 333-49333-99, 333-38188-99, 333-60260-99 and 333-98271-99 on Form S-8; and Post-Effective Amendment No. 5 to Registration Statement No. 333-11329-99 on Form S-8 of CenterPoint Energy, Inc. of our report dated February 24, 2021, relating to the financial statements of Enable Midstream Partners, LP, appearing in this Annual Report on Form 10-K of CenterPoint Energy, Inc. for the year ended December 31, 2021.

/s/ DELOITTE & TOUCHE LLP

Oklahoma City, Oklahoma

February 22, 2022

EX-31.1.1

Exhibit 31.1.1

CERTIFICATIONS

I, Dave J. Lesar, certify that:

1.           I have reviewed this annual report on Form 10-K of CenterPoint Energy, Inc.;

2.           Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.           Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.           The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a)Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b)Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c)Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d)Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5.           The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a)All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b)Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date:       February 22, 2022

/s/ DAVE J. LESAR

Dave J. Lesar

President and Chief Executive Officer

EX-31.1.2

Exhibit 31.1.2

CERTIFICATIONS

I, Scott E. Doyle, certify that:

1.I have reviewed this annual report on Form 10-K of CenterPoint Energy Houston Electric, LLC;

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a)Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b)Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c)Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d)Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5.The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a)All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b)Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date:  February 22, 2022

/s/ SCOTT E. DOYLE

Scott E. Doyle

Manager, President and Chief Executive Officer

EX-31.1.3

Exhibit 31.1.3

CERTIFICATIONS

I, Scott E. Doyle, certify that:

1.           I have reviewed this annual report on Form 10-K of CenterPoint Energy Resources Corp.;

2.           Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.           Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.           The registrant's other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a)Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b)Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c)Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d)Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5.           The registrant's other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

(a)All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

(b)Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date:  February 22, 2022

/s/ SCOTT E. DOYLE

Scott E. Doyle

President and Chief Executive Officer

EX-31.2.1

Exhibit 31.2.1

CERTIFICATIONS

I, Jason P. Wells, certify that:

1.           I have reviewed this annual report on Form 10-K of CenterPoint Energy, Inc.;

2.           Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.           Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.           The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a)Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b)Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c)Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d)Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5.           The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a)All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b)Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date:       February 22, 2022

/s/ JASON P. WELLS

Jason P. Wells

Executive Vice President and Chief Financial Officer

EX-31.2.2

Exhibit 31.2.2

CERTIFICATIONS

I, Jason P. Wells, certify that:

1.I have reviewed this annual report on Form 10-K of CenterPoint Energy Houston Electric, LLC;

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a)Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b)Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c)Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d)Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5.The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a)All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b)Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date:  February 22, 2022

/s/ JASON P. WELLS

Jason P. Wells

Executive Vice President and Chief Financial Officer

EX-31.2.3

Exhibit 31.2.3

CERTIFICATIONS

I, Jason P. Wells, certify that:

1.           I have reviewed this annual report on Form 10-K of CenterPoint Energy Resources Corp.;

2.           Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.           Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.           The registrant's other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a)Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b)Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c)Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d)Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5.           The registrant's other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

(a)All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

(b)Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date:  February 22, 2022

/s/ JASON P. WELLS

Jason P. Wells

Executive Vice President and Chief Financial Officer

EX-32.1.1

Exhibit 32.1.1

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO SECTION 906

OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Annual Report of CenterPoint Energy, Inc. (the “Company”) on Form 10-K for the year ended December 31, 2021 (the “Report”), as filed with the Securities and Exchange Commission on the date hereof, I, Dave J. Lesar, Chief Executive Officer, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge, that:

1.           The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

2.           The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ DAVE J. LESAR

Dave J. Lesar

President and Chief Executive Officer

February 22, 2022

EX-32.1.2

Exhibit 32.1.2

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO SECTION 906

OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Annual Report of CenterPoint Energy Houston Electric, LLC (the “Company”) on Form 10-K for the year ended December 31, 2021 (the “Report”), as filed with the Securities and Exchange Commission on the date hereof, I, Scott E. Doyle, President and Chief Executive Officer, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge, that:

1.The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

2.The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ SCOTT E. DOYLE

Scott E. Doyle

Manager, President and Chief Executive Officer

February 22, 2022

EX-32.1.3

Exhibit 32.1.3

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO SECTION 906

OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Annual Report of CenterPoint Energy Resources Corp. (the “Company”) on Form 10-K for the year ended December 31, 2021 (the “Report”), as filed with the Securities and Exchange Commission on the date hereof, I, Scott E. Doyle, Chief Executive Officer, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge, that:

1.           The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

2.           The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ SCOTT E. DOYLE

Scott E. Doyle

President and Chief Executive Officer

February 22, 2022

EX-32.2.1

Exhibit 32.2.1

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO SECTION 906

OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Annual Report of CenterPoint Energy, Inc. (the “Company”) on Form 10-K for the year ended December 31, 2021 (the “Report”), as filed with the Securities and Exchange Commission on the date hereof, I, Jason P. Wells, Chief Financial Officer, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge, that:

1.           The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

2.           The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ JASON P. WELLS

Jason P. Wells

Executive Vice President and Chief Financial Officer

February 22, 2022

EX-32.2.2

Exhibit 32.2.2

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO SECTION 906

OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Annual Report of CenterPoint Energy Houston Electric, LLC (the “Company”) on Form 10-K for the year ended December 31, 2021 (the “Report”), as filed with the Securities and Exchange Commission on the date hereof, I, Jason P. Wells, Chief Financial Officer, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge, that:

1.The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

2.The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ JASON P. WELLS

Jason P. Wells

Executive Vice President and Chief Financial Officer

February 22, 2022

EX-32.2.3

Exhibit 32.2.3

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO SECTION 906

OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Annual Report of CenterPoint Energy Resources Corp. (the “Company”) on Form 10-K for the year ended December 31, 2021 (the “Report”), as filed with the Securities and Exchange Commission on the date hereof, I, Jason P. Wells, Chief Financial Officer, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge, that:

1.           The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

2.           The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ JASON P. WELLS

Jason P. Wells

Executive Vice President and Chief Financial Officer

February 22, 2022

XML

Cover Page - USD ($)	12 Months Ended
	Dec. 31, 2021	Feb. 15, 2022	Jun. 30, 2021
Entity Information [Line Items]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2021
Current Fiscal Year End Date	--12-31
Document Transition Report	false
Entity File Number	1-31447
Entity Registrant Name	CenterPoint Energy, Inc.
Entity Tax Identification Number	74-0694415
Entity Incorporation, State or Country Code	TX
Entity Address, Address Line One	1111 Louisiana
Entity Address, City or Town	Houston,
Entity Address, State or Province	TX
Entity Address, Postal Zip Code	77002
City Area Code	(713)
Local Phone Number	207-1111
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	true
Entity Shell Company	false
Entity Public Float			$ 14,445,680,164
Entity Common Stock, Shares Outstanding		628,936,067
Documents Incorporated by Reference	Portions of the definitive proxy statement relating to the 2022 Annual Meeting of Shareholders of CenterPoint Energy, which will be filed with the Securities and Exchange Commission within 120 days of December 31, 2021, are incorporated by reference in Item 10, Item 11, Item 12, Item 13 and Item 14 of Part III of this Form 10-K.
Entity Central Index Key	0001130310
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	FY
Amendment Flag	false
Common Stock, $0.01 par value | New York Stock Exchange
Entity Information [Line Items]
Title of 12(b) Security	Common Stock, $0.01 par value
Trading Symbol	CNP
Security Exchange Name	NYSE
Common Stock, $0.01 par value | Chicago Stock Exchange
Entity Information [Line Items]
Title of 12(b) Security	Common Stock, $0.01 par value
Trading Symbol	CNP
Security Exchange Name	CHX
CenterPoint Energy Houston Electric, LLC
Entity Information [Line Items]
Entity File Number	1-3187
Entity Registrant Name	CenterPoint Energy Houston Electric, LLC
Entity Tax Identification Number	22-3865106
Entity Incorporation, State or Country Code	TX
Entity Address, Address Line One	1111 Louisiana
Entity Address, City or Town	Houston,
Entity Address, State or Province	TX
Entity Address, Postal Zip Code	77002
City Area Code	(713)
Local Phone Number	207-1111
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Public Float			0
Entity Common Stock, Shares Outstanding		1,000
Entity Central Index Key	0000048732
CenterPoint Energy Houston Electric, LLC | 6.95% General Mortgage Bonds due 2033 | New York Stock Exchange
Entity Information [Line Items]
Title of 12(b) Security	6.95% General Mortgage Bonds due 2033
Security Exchange Name	NYSE
No Trading Symbol Flag	true
CenterPoint Energy Resources Corp.
Entity Information [Line Items]
Entity File Number	1-13265
Entity Registrant Name	CenterPoint Energy Resources Corp.
Entity Tax Identification Number	76-0511406
Entity Incorporation, State or Country Code	DE
Entity Address, Address Line One	1111 Louisiana
Entity Address, City or Town	Houston,
Entity Address, State or Province	TX
Entity Address, Postal Zip Code	77002
City Area Code	(713)
Local Phone Number	207-1111
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Public Float			$ 0
Entity Common Stock, Shares Outstanding		1,000
Entity Central Index Key	0001042773
CenterPoint Energy Resources Corp. | 6.625% Senior Notes due 2037 | New York Stock Exchange
Entity Information [Line Items]
Title of 12(b) Security	6.625% Senior Notes due 2037
Security Exchange Name	NYSE
No Trading Symbol Flag	true

XML

Audit Information	12 Months Ended
	Dec. 31, 2021
Auditor [Line Items]
Auditor Name	DELOITTE & TOUCHE LLP
Auditor Location	Houston, Texas
Auditor Firm ID	34
Houston Electric
Auditor [Line Items]
Auditor Name	DELOITTE & TOUCHE LLP
Auditor Location	Houston, Texas
Auditor Firm ID	34
CERC Corp
Auditor [Line Items]
Auditor Name	DELOITTE & TOUCHE LLP
Auditor Location	Houston, Texas
Auditor Firm ID	34

XML

STATEMENTS OF CONSOLIDATED INCOME - USD ($) shares in Thousands	3 Months Ended		12 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenues:
Utility revenues			$ 8,042,000,000	$ 7,049,000,000	$ 7,202,000,000
Non-utility revenues			310,000,000	369,000,000	362,000,000
Total			8,352,000,000	7,418,000,000	7,564,000,000
Expenses:
Utility natural gas, fuel and purchased power			2,127,000,000	1,488,000,000	1,762,000,000
Non-utility cost of revenues, including natural gas			208,000,000	257,000,000	257,000,000
Operation and maintenance			2,810,000,000	2,744,000,000	2,775,000,000
Depreciation and amortization			1,316,000,000	1,189,000,000	1,225,000,000
Taxes other than income taxes			528,000,000	516,000,000	474,000,000
Goodwill impairment	$ 0	$ 0	0	185,000,000	0
Total			6,989,000,000	6,379,000,000	6,493,000,000
Operating Income			1,363,000,000	1,039,000,000	1,071,000,000
Other Income (Expense):
Gain (loss) on equity securities			(172,000,000)	49,000,000	282,000,000
Gain (loss) on indexed debt securities			50,000,000	(60,000,000)	(292,000,000)
Gain on sale			8,000,000	0	0
Interest expense and other finance charges			(508,000,000)	(501,000,000)	(528,000,000)
Interest expense on Securitization Bonds			(21,000,000)	(28,000,000)	(39,000,000)
Other income, net			58,000,000	64,000,000	51,000,000
Total			(585,000,000)	(476,000,000)	(526,000,000)
Income from Continuing Operations Before Income Taxes			778,000,000	563,000,000	545,000,000
Income tax expense			110,000,000	80,000,000	30,000,000
Income From Continuing Operations			668,000,000	483,000,000	515,000,000
Net Income (Loss)			1,486,000,000	(773,000,000)	791,000,000
Income allocated to preferred shareholders			95,000,000	176,000,000	117,000,000
Income (Loss) Available to Common Shareholders			$ 1,391,000,000	$ (949,000,000)	$ 674,000,000
Earnings (loss) per common share:
Basic earnings per common share - continuing operations (in dollars per share)			$ 0.97	$ 0.58	$ 0.79
Basic earnings (loss) per common share - discontinued operations (in dollars per share)			1.38	(2.37)	0.55
Basic Earnings (Loss) Per Common Share (in dollars per share)			2.35	(1.79)	1.34
Earnings Per Share, Diluted [Abstract]
Diluted earnings per common share - continuing operations (in dollars per share)			0.94	0.58	0.79
Diluted earnings (loss) per common share - discontinued operations (in dollars per share)			1.34	(2.37)	0.54
Diluted Earnings (Loss) Per Common Share (in dollars per share)			$ 2.28	$ (1.79)	$ 1.33
Weighted Average Common Shares Outstanding, Basic			592,933	531,031	502,050
Weighted Average Common Shares Outstanding, Diluted			609,938	531,031	505,157

XML

STATEMENTS OF CONSOLIDATED INCOME (Parenthetical) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Statement [Abstract]
Income tax expense (benefit) from discontinued operations	$ 201	$ (333)	$ 108

XML

STATEMENTS OF CONSOLIDATED COMPREHENSIVE INCOME - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Other Comprehensive Income [Abstract]
Net income (loss)	$ 1,486	$ (773)	$ 791
Other comprehensive income (loss):
Adjustment to pension and other postretirement plans	21	(5)	12
Net deferred loss from cash flow hedges	0	0	(2)
Reclassification of deferred loss from cash flow hedges realized in net income	2	0	1
Reclassification of net deferred losses from cash flow hedges	0	15	0
Other comprehensive loss from unconsolidated affiliates, net of tax	3	(2)	(1)
Total	26	8	10
Comprehensive income (loss)	1,512	(765)	801
Income allocated to preferred shareholders	95	176	117
Comprehensive income (loss) available to common shareholders	$ 1,417	$ (941)	$ 684

XML

STATEMENTS OF CONSOLIDATED COMPREHENSIVE INCOME (Parenthetical) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Other Comprehensive Income [Abstract]
Adjustment to other postemployment plans, tax	$ 7	$ 0	$ 4
Deferred loss from cash flow hedge, tax	0	0	(1)
Reclassification of deferred loss from cash flow hedges realized in net income, tax	0	0	0
Reclassification of net deferred losses from cash flow hedge, tax	0	4	0
Other comprehensive loss from unconsolidated affiliates, tax	$ 0	$ 0	$ 0

XML

CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Current Assets:
Cash and cash equivalents	$ 230	$ 147
Investment in equity securities	1,439	871
Accounts receivable, less allowance for credit losses	690	676
Accrued unbilled revenue, less allowance for credit losses	513	505
Natural gas and coal inventory	186	203
Materials and supplies	422	297
Non-trading derivative assets	9	0
Taxes receivable	1	82
Current assets held for sale	2,338	0
Regulatory assets	1,395	18
Prepaid expense and other current assets ($19 and $15 related to VIEs, respectively)	132	121
Total current assets	7,355	2,920
Property, Plant and Equipment, net	23,484	22,362
Other Assets:
Goodwill	4,294	4,697
Regulatory assets ($420 and $633 related to VIEs, respectively)	2,321	2,094
Non-trading derivative assets	5	0
Preferred units - unconsolidated affiliate	0	363
Non-current assets held for sale	0	782
Other non-current assets	220	253
Total other assets	6,840	8,189
Total Assets	37,679	33,471
Current Liabilities:
Short-term borrowings	7	24
Current portion of VIE Securitization Bonds long-term debt	220	211
Indexed debt, net	10	15
Current portion of other long-term debt	308	1,669
Indexed debt securities derivative	903	953
Accounts payable	1,196	853
Taxes accrued	378	265
Interest accrued	136	145
Dividends accrued	131	136
Customer deposits	111	119
Non-trading derivative liabilities	2	3
Current liabilities held for sale	562	0
Other	323	432
Total current liabilities	4,287	4,825
Other Liabilities:
Deferred income taxes, net	3,904	3,603
Non-trading derivative liabilities	12	27
Benefit obligations	511	680
Regulatory liabilities	3,153	3,448
Other	836	1,019
Total other liabilities	8,416	8,777
Long-term Debt:
VIE Securitization Bonds, net	317	536
Other long-term debt, net	15,241	10,985
Total long-term debt, net	15,558	11,521
Commitments and Contingencies (Note 16)
Temporary Equity (Note 19)	3	0
Shareholders’ Equity:
Cumulative preferred stock	790	2,363
Common stock	6	6
Additional paid-in capital	8,529	6,914
Retained earnings (accumulated deficit)	154	(845)
Accumulated other comprehensive loss	(64)	(90)
Total shareholders’ equity	9,415	8,348
Total Liabilities and Shareholders’ Equity	$ 37,679	$ 33,471

XML

CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Current Assets:
Cash and cash equivalents	$ 230,000,000	$ 147,000,000
Accounts receivable	690,000,000	676,000,000
Bad debt reserve	44,000,000	52,000,000
Prepaid expense and other current assets ($19 and $15 related to VIEs, respectively)	132,000,000	121,000,000
Other Assets [Abstract]
Regulatory assets ($420 and $633 related to VIEs, respectively)	$ 2,321,000,000	$ 2,094,000,000
Shareholders’ Equity:
Cumulative preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Cumulative preferred stock, authorized (in shares)	20,000,000	20,000,000	20,000,000
Cumulative preferred stock, outstanding (in shares)	800,000	2,402,400	1,777,500
Cumulative preferred stock, aggregate liquidation preference	$ 800	$ 2,402
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01	$ 0.01
Common stock, authorized (in shares)	1,000,000,000	1,000,000,000	1,000,000,000
Common stock, outstanding (in shares)	628,923,534	551,355,861
Variable Interest Entity, Primary Beneficiary
Current Assets:
Cash and cash equivalents	$ 92,000,000	$ 139,000,000
Accounts receivable	29,000,000	23,000,000
Prepaid expense and other current assets ($19 and $15 related to VIEs, respectively)	19,000,000	15,000,000
Other Assets [Abstract]
Regulatory assets ($420 and $633 related to VIEs, respectively)	$ 420,000,000	$ 633,000,000

XML

STATEMENTS OF CONSOLIDATED CASH FLOWS - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Cash Flows from Operating Activities:
Net income (loss)	$ 1,486,000,000	$ (773,000,000)	$ 791,000,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	1,316,000,000	1,189,000,000	1,225,000,000
Deferred income taxes	213,000,000	(429,000,000)	69,000,000
Goodwill impairment and loss from reclassification to held for sale	0	175,000,000	48,000,000
Goodwill impairment	0	185,000,000	0
Loss (gain) on equity securities	172,000,000	(49,000,000)	(282,000,000)
Loss (gain) on indexed debt securities	(50,000,000)	60,000,000	292,000,000
Equity in (earnings) losses of unconsolidated affiliates	(339,000,000)	1,428,000,000	(230,000,000)
Distributions from unconsolidated affiliates	155,000,000	113,000,000	261,000,000
Pension contributions	(61,000,000)	(86,000,000)	(109,000,000)
Changes in other assets and liabilities, excluding acquisitions:
Accounts receivable and unbilled revenues, net	(98,000,000)	90,000,000	226,000,000
Inventory	(140,000,000)	9,000,000	(52,000,000)
Taxes receivable	81,000,000	24,000,000	(106,000,000)
Accounts payable	175,000,000	2,000,000	(455,000,000)
Net regulatory assets and liabilities	(2,295,000,000)	(107,000,000)	(22,000,000)
Other current assets and liabilities	56,000,000	104,000,000	(195,000,000)
Other assets and liabilities	(53,000,000)	25,000,000	49,000,000
Other operating activities, net	85,000,000	35,000,000	128,000,000
Net cash provided by operating activities	22,000,000	1,995,000,000	1,638,000,000
Cash Flows from Investing Activities:
Capital expenditures	(3,164,000,000)	(2,596,000,000)	(2,506,000,000)
Acquisitions, net of cash acquired	0	0	(5,991,000,000)
Transaction costs related to Enable Merger (Note 4)	(49,000,000)	0	0
Cash received related to Enable Merger	5,000,000	0	0
Distributions from unconsolidated affiliates in excess of cumulative earnings	0	80,000,000	42,000,000
Proceeds from sale of equity securities, net of transaction costs	1,320,000,000	0	0
Proceeds from divestitures (Note 4)	22,000,000	1,215,000,000	0
Other investing activities, net	15,000,000	36,000,000	34,000,000
Net cash used in investing activities	(1,851,000,000)	(1,265,000,000)	(8,421,000,000)
Cash Flows from Financing Activities:
Decrease in short-term borrowings, net	(27,000,000)	0	0
Payment of obligation for finance lease	(179,000,000)	0	0
Borrowings from revolving credit facilities	0	1,050,000,000	135,000,000
Repayments of revolving credit facilities	0	(1,050,000,000)	(135,000,000)
Proceeds from (payments of) commercial paper, net	1,132,000,000	(761,000,000)	1,891,000,000
Proceeds from long-term debt	4,493,000,000	799,000,000	2,916,000,000
Payments of long-term debt, including make-whole premiums	(2,968,000,000)	(1,724,000,000)	(1,302,000,000)
Payment of debt issuance costs	(38,000,000)	(8,000,000)	(20,000,000)
Payment of dividends on Common Stock	(385,000,000)	(392,000,000)	(577,000,000)
Payment of dividends on Preferred Stock	(107,000,000)	(137,000,000)	(118,000,000)
Proceeds from issuance of Common Stock, net	0	672,000,000	0
Proceeds from issuance of Series C Preferred stock, net	0	723,000,000	0
Other financing activities, net	(5,000,000)	(6,000,000)	(14,000,000)
Net cash provided by (used in) financing activities	1,916,000,000	(834,000,000)	2,776,000,000
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash	87,000,000	(104,000,000)	(4,007,000,000)
Cash, Cash Equivalents and Restricted Cash at Beginning of Year	167,000,000	271,000,000	4,278,000,000
Cash, Cash Equivalents and Restricted Cash at End of Year	254,000,000	167,000,000	271,000,000
Gain on Enable Merger	$ (681,000,000)	$ 0	$ 0

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STATEMENTS OF CONSOLIDATED CHANGES IN EQUITY - USD ($) $ in Millions	Total	Series A Preferred Stock	Series B Preferred Stock	Series C Preferred Stock	Cumulative Preferred Stock	Cumulative Preferred Stock Series C Preferred Stock	Cumulative Preferred Stock Series B and Series C Preferred Stock	Common Stock	Additional Paid-in-Capital	Additional Paid-in-Capital Series B and Series C Preferred Stock	Retained Earnings (Accumulated Deficit)	Retained Earnings (Accumulated Deficit) Cumulative Effect, Period of Adoption, Adjustment	Retained Earnings (Accumulated Deficit) Series A Preferred Stock	Retained Earnings (Accumulated Deficit) Series B Preferred Stock	Retained Earnings (Accumulated Deficit) Series C Preferred Stock	Accumulated Other Comprehensive Loss
Balance, beginning of period (in shares) at Dec. 31, 2018					2,000,000
Balance, beginning of year at Dec. 31, 2018					$ 1,740			$ 5	$ 6,072		$ 349	$ 0				$ (108)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock issued (in shares)						0		0
Stock issued						$ 0		$ 0	0
Conversion of Series B Preferred Stock and Series C Preferred Stock (in shares)							0
Conversion of Series B Preferred Stock and Series C Preferred Stock							$ 0			$ 0
Balance, end of year (in shares) at Dec. 31, 2019	1,777,500	800,000	977,500	0	2,000,000
Balance, beginning of year (in shares) at Dec. 31, 2018								501,000,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance related to benefit and investment plans (in shares)								1,000,000
Issuances related to benefit and investment plans								$ 0	8
Recognition of beneficial conversion feature	$ 0								0
Net income (loss)	791										791
Common Stock dividends declared (see Note 13)											(433)
Preferred stock dividends declared													$ (24)	$ (51)	$ 0
Amortization of beneficial conversion feature	$ 0										0
Accounting Standards Update [Extensible Enumeration]	Accounting Standards Update 2016-13 [Member]
Other comprehensive income																10
Balance, end of year (in shares) at Dec. 31, 2019								502,000,000
Balance, end of year at Dec. 31, 2019	$ 8,359				$ 1,740			$ 5	6,080		632	(7)				(98)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock issued (in shares)						1,000,000		48,000,000
Stock issued						$ 723		$ 1	672
Conversion of Series B Preferred Stock and Series C Preferred Stock (in shares)							0
Conversion of Series B Preferred Stock and Series C Preferred Stock							$ (100)			100
Balance, end of year (in shares) at Dec. 31, 2020	2,402,400	800,000	977,400	625,000	3,000,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance related to benefit and investment plans (in shares)								1,000,000
Issuances related to benefit and investment plans								$ 0	30
Recognition of beneficial conversion feature	$ 32								32
Net income (loss)	(773)										(773)
Common Stock dividends declared (see Note 13)											(480)
Preferred stock dividends declared													(73)	(85)	(27)
Amortization of beneficial conversion feature	$ (32)										(32)
Other comprehensive income																8
Balance, end of year (in shares) at Dec. 31, 2020	551,355,861							551,000,000
Balance, end of year at Dec. 31, 2020	$ 8,348				$ 2,363			$ 6	6,914		(845)	$ 0				(90)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock issued (in shares)						0		77,000,000
Stock issued						$ 0		$ 0	1
Conversion of Series B Preferred Stock and Series C Preferred Stock (in shares)							(2,000,000)
Conversion of Series B Preferred Stock and Series C Preferred Stock							$ (1,573)			$ 1,573
Balance, end of year (in shares) at Dec. 31, 2021	800,000	800,000	0	0	1,000,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance related to benefit and investment plans (in shares)								1,000,000
Issuances related to benefit and investment plans								$ 0	41
Recognition of beneficial conversion feature	$ 0								0
Net income (loss)	1,486										1,486
Common Stock dividends declared (see Note 13)											(404)
Preferred stock dividends declared													$ (49)	$ (34)	$ 0
Amortization of beneficial conversion feature	$ 0										0
Other comprehensive income																26
Balance, end of year (in shares) at Dec. 31, 2021	628,923,534							629,000,000
Balance, end of year at Dec. 31, 2021	$ 9,415				$ 790			$ 6	$ 8,529		$ 154					$ (64)

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STATEMENTS OF CONSOLIDATED CHANGES IN EQUITY (Parenthetical) - $ / shares	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Cumulative preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Cumulative preferred stock, authorized (in shares)	20,000,000	20,000,000	20,000,000
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01	$ 0.01
Common stock, authorized (in shares)	1,000,000,000	1,000,000,000	1,000,000,000
Series A Preferred Stock
Cumulative preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01	$ 0.01
Series B Preferred Stock
Cumulative preferred stock, par value (in dollars per share)	0.01	0.01	0.01
Series C Preferred Stock
Cumulative preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01	$ 0.01

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STATEMENTS OF CONSOLIDATED INCOME - HOUSTON ELECTRIC - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statements of Consolidated Income
Total revenues	$ 8,352	$ 7,418	$ 7,564
Expenses:
Operation and maintenance	2,810	2,744	2,775
Depreciation and amortization	1,316	1,189	1,225
Taxes other than income taxes	528	516	474
Total	6,989	6,379	6,493
Operating Income	1,363	1,039	1,071
Other Income (Expense):
Interest expense and other finance charges	(508)	(501)	(528)
Interest expense on Securitization Bonds	(21)	(28)	(39)
Other income, net	58	64	51
Total	(585)	(476)	(526)
Income before income taxes	778	563	545
Income tax expense	110	80	30
Net income (loss)	1,486	(773)	791
Houston Electric
Statements of Consolidated Income
Total revenues	3,134	2,911	2,990
Expenses:
Operation and maintenance	1,597	1,523	1,477
Depreciation and amortization	642	560	648
Taxes other than income taxes	251	252	247
Total	2,490	2,335	2,372
Operating Income	644	576	618
Other Income (Expense):
Interest expense and other finance charges	(183)	(171)	(164)
Interest expense on Securitization Bonds	(21)	(28)	(39)
Other income, net	17	10	21
Total	(187)	(189)	(182)
Income before income taxes	457	387	436
Income tax expense	76	53	80
Net income (loss)	$ 381	$ 334	$ 356

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STATEMENTS OF CONSOLIDATED COMPREHENSIVE INCOME - HOUSTON ELECTRIC - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Net income (loss)	$ 1,486	$ (773)	$ 791
Other comprehensive income (loss):
Net deferred loss from cash flow hedges	0	0	(2)
Reclassification of deferred loss from cash flow hedges realized in net income	2	0	1
Net current period other comprehensive income (loss)	26	8	10
Comprehensive income (loss) available to common shareholders	1,417	(941)	684
Houston Electric
Net income (loss)	381	334	356
Other comprehensive income (loss):
Net deferred loss from cash flow hedges	0	0	(1)
Reclassification of deferred loss from cash flow hedges realized in net income	0	15	0
Net current period other comprehensive income (loss)	0	15	(1)
Comprehensive income (loss) available to common shareholders	$ 381	$ 349	$ 355

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STATEMENTS OF CONSOLIDATED COMPREHENSIVE INCOME - HOUSTON ELECTRIC (Parenthetical) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Deferred loss from cash flow hedge, tax	$ 0	$ 0	$ (1)
Reclassification of net deferred losses from cash flow hedge, tax	0	4	0
Houston Electric
Deferred loss from cash flow hedge, tax	0	0	0
Reclassification of net deferred losses from cash flow hedge, tax	$ 0	$ 4	$ 0

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CONSOLIDATED BALANCE SHEETS - HOUSTON ELECTRIC - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Current Assets:
Cash and cash equivalents	$ 230	$ 147
Accrued unbilled revenue, less allowance for credit losses	513	505
Prepaid expense and other current assets ($19 and $15 related to VIEs, respectively)	132	121
Total current assets	7,355	2,920
Property, Plant and Equipment, net	23,484	22,362
Other Assets:
Regulatory assets ($420 and $633 related to VIEs, respectively)	2,321	2,094
Other non-current assets	220	253
Total other assets	6,840	8,189
Total Assets	37,679	33,471
Current Liabilities:
Current portion of VIE Securitization Bonds long-term debt	220	211
Current portion of other long-term debt	308	1,669
Accounts payable	1,196	853
Taxes accrued	378	265
Interest accrued	136	145
Other	323	432
Total current liabilities	4,287	4,825
Other Liabilities:
Deferred income taxes, net	3,904	3,603
Benefit obligations	511	680
Regulatory liabilities	3,153	3,448
Other	836	1,019
Total other liabilities	8,416	8,777
Long-term Debt:
VIE Securitization Bonds, net	317	536
Other long-term debt, net	15,241	10,985
Total long-term debt, net	15,558	11,521
Commitments and Contingencies (Note 16)
Shareholders’ Equity:
Common stock	6	6
Additional paid-in capital	8,529	6,914
Retained earnings (accumulated deficit)	154	(845)
Total shareholders’ equity	9,415	8,348
Total Liabilities and Shareholders’ Equity	37,679	33,471
Houston Electric
Current Assets:
Cash and cash equivalents	214	139
Accounts and notes receivable, net	263	268
Accounts and notes receivable—affiliated companies	11	7
Accrued unbilled revenue, less allowance for credit losses	127	113
Materials and supplies	292	195
Prepaid expense and other current assets ($19 and $15 related to VIEs, respectively)	49	47
Total current assets	956	769
Property, Plant and Equipment, net	11,203	9,663
Other Assets:
Regulatory assets ($420 and $633 related to VIEs, respectively)	789	848
Other non-current assets	32	36
Total other assets	821	884
Total Assets	12,980	11,316
Current Liabilities:
Current portion of VIE Securitization Bonds long-term debt	220	211
Current portion of other long-term debt	300	402
Accounts payable	510	281
Accounts payable - affiliated companies	568	96
Taxes accrued	193	158
Interest accrued	74	71
Other	91	117
Total current liabilities	1,956	1,336
Other Liabilities:
Deferred income taxes, net	1,122	1,041
Benefit obligations	55	75
Regulatory liabilities	1,152	1,252
Other	98	95
Total other liabilities	2,427	2,463
Long-term Debt:
VIE Securitization Bonds, net	317	536
Other long-term debt, net	4,658	3,870
Total long-term debt, net	4,975	4,406
Commitments and Contingencies (Note 16)
Shareholders’ Equity:
Common stock	0	0
Additional paid-in capital	2,678	2,548
Retained earnings (accumulated deficit)	944	563
Total shareholders’ equity	3,622	3,111
Total Liabilities and Shareholders’ Equity	$ 12,980	$ 11,316

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CONSOLIDATED BALANCE SHEETS - HOUSTON ELECTRIC (Parenthetical) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Cash and cash equivalents	$ 230	$ 147
Accounts receivable	690	676
Bad debt reserve	44	52
Prepaid expense and other current assets ($19 and $15 related to VIEs, respectively)	132	121
Regulatory assets ($420 and $633 related to VIEs, respectively)	2,321	2,094
Houston Electric
Cash and cash equivalents	214	139
Bad debt reserve	1	1
Prepaid expense and other current assets ($19 and $15 related to VIEs, respectively)	49	47
Regulatory assets ($420 and $633 related to VIEs, respectively)	789	848
Variable Interest Entity, Primary Beneficiary
Cash and cash equivalents	92	139
Accounts receivable	29	23
Prepaid expense and other current assets ($19 and $15 related to VIEs, respectively)	19	15
Regulatory assets ($420 and $633 related to VIEs, respectively)	420	633
Variable Interest Entity, Primary Beneficiary | Houston Electric
Cash and cash equivalents	92	139
Accounts receivable	29	23
Prepaid expense and other current assets ($19 and $15 related to VIEs, respectively)	19	15
Regulatory assets ($420 and $633 related to VIEs, respectively)	$ 420	$ 633

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STATEMENTS OF CONSOLIDATED CASH FLOWS - HOUSTON ELECTRIC - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Cash Flows from Operating Activities:
Net income (loss)	$ 1,486	$ (773)	$ 791
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	1,316	1,189	1,225
Deferred income taxes	213	(429)	69
Changes in other assets and liabilities, excluding acquisitions:
Accounts receivable and unbilled revenues, net	(98)	90	226
Inventory	(140)	9	(52)
Accounts payable	175	2	(455)
Taxes receivable	81	24	(106)
Net regulatory assets and liabilities	(2,295)	(107)	(22)
Other operating activities, net	85	35	128
Net cash provided by operating activities	22	1,995	1,638
Cash Flows from Investing Activities:
Capital expenditures	(3,164)	(2,596)	(2,506)
Other investing activities, net	15	36	34
Net cash used in investing activities	(1,851)	(1,265)	(8,421)
Cash Flows from Financing Activities:
Proceeds from long-term debt	4,493	799	2,916
Payments of long-term debt, including make-whole premiums	(2,968)	(1,724)	(1,302)
Payment of obligation for finance lease	(179)	0	0
Other financing activities, net	(5)	(6)	(14)
Net cash provided by (used in) financing activities	1,916	(834)	2,776
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash	87	(104)	(4,007)
Cash, Cash Equivalents and Restricted Cash at Beginning of Year	167	271	4,278
Cash, Cash Equivalents and Restricted Cash at End of Year	254	167	271
Houston Electric
Cash Flows from Operating Activities:
Net income (loss)	381	334	356
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	642	560	648
Deferred income taxes	32	(42)	(24)
Changes in other assets and liabilities, excluding acquisitions:
Accounts receivable and unbilled revenues, net	(17)	(26)	38
Accounts receivable/payable–affiliated companies	(36)	47	(23)
Inventory	(97)	(48)	(12)
Accounts payable	66	28	13
Taxes receivable	0	0	5
Net regulatory assets and liabilities	(237)	(11)	(48)
Other current assets and liabilities	39	55	(26)
Other assets and liabilities	6	4	(7)
Other operating activities, net	(9)	(2)	(2)
Net cash provided by operating activities	770	899	918
Cash Flows from Investing Activities:
Capital expenditures	(1,619)	(1,058)	(1,025)
(Increase) decrease in notes receivable–affiliated companies	0	481	(481)
Other investing activities, net	2	13	11
Net cash used in investing activities	(1,617)	(564)	(1,495)
Cash Flows from Financing Activities:
Proceeds from long-term debt	1,096	299	696
Payments of long-term debt, including make-whole premiums	(613)	(231)	(458)
Dividend to parent	0	(551)	(376)
Increase (decrease) in notes payable–affiliated companies	504	8	(1)
Payment of debt issuance costs	(12)	(3)	(8)
Contribution from parent	130	62	590
Payment of obligation for finance lease	(179)	0	0
Other financing activities, net	0	0	(1)
Net cash provided by (used in) financing activities	926	(416)	442
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash	79	(81)	(135)
Cash, Cash Equivalents and Restricted Cash at Beginning of Year	154	235	370
Cash, Cash Equivalents and Restricted Cash at End of Year	$ 233	$ 154	$ 235

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STATEMENTS OF CONSOLIDATED CHANGES IN EQUITY - HOUSTON ELECTRIC - USD ($) $ in Millions	Total	Common Stock	Additional Paid-in-Capital	Retained Earnings (Accumulated Deficit)	Accumulated Other Comprehensive Loss	Houston Electric	Houston Electric Common Stock	Houston Electric Additional Paid-in-Capital	Houston Electric Retained Earnings (Accumulated Deficit)	Houston Electric Accumulated Other Comprehensive Loss
Balance, beginning of year (in shares) at Dec. 31, 2018		501,000,000					1,000
Balance, end of year (in shares) at Dec. 31, 2019		502,000,000					1,000
Balance, beginning of year at Dec. 31, 2018		$ 5	$ 6,072	$ 349	$ (108)		$ 0	$ 1,896	$ 800	$ (14)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash contribution from parent								590
Other								0
Net income (loss)	$ 791			791		$ 356			356
Dividend to parent									(376)
Other comprehensive income					10					(1)
Balance, end of year at Dec. 31, 2019	$ 8,359	$ 5	6,080	632	(98)	3,251	$ 0	2,486	780	(15)
Balance, end of year (in shares) at Dec. 31, 2020	551,355,861	551,000,000					1,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash contribution from parent								62
Other								0
Net income (loss)	$ (773)			(773)		334			334
Dividend to parent									(551)
Other comprehensive income					8					15
Balance, end of year at Dec. 31, 2020	$ 8,348	$ 6	6,914	(845)	(90)	3,111	$ 0	2,548	563	0
Balance, end of year (in shares) at Dec. 31, 2021	628,923,534	629,000,000					1,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash contribution from parent								130
Other								0
Net income (loss)	$ 1,486			1,486		381			381
Dividend to parent									0
Other comprehensive income					26					0
Balance, end of year at Dec. 31, 2021	$ 9,415	$ 6	$ 8,529	$ 154	$ (64)	$ 3,622	$ 0	$ 2,678	$ 944	$ 0

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STATEMENTS OF CONSOLIDATED INCOME - CERC - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenues:
Utility revenues	$ 8,042	$ 7,049	$ 7,202
Non-utility revenues	310	369	362
Total	8,352	7,418	7,564
Expenses:
Utility natural gas, fuel and purchased power	2,127	1,488	1,762
Non-utility cost of revenues, including natural gas	208	257	257
Operation and maintenance	2,810	2,744	2,775
Depreciation and amortization	1,316	1,189	1,225
Taxes other than income taxes	528	516	474
Total	6,989	6,379	6,493
Operating Income	1,363	1,039	1,071
Other Income (Expense):
Gain on sale	8	0	0
Interest expense and other finance charges	(508)	(501)	(528)
Other income, net	58	64	51
Total	(585)	(476)	(526)
Income before income taxes	778	563	545
Income tax expense	110	80	30
Income From Continuing Operations	668	483	515
Net Income (Loss)	1,486	(773)	791
CERC Corp
Revenues:
Utility revenues	3,191	2,711	2,951
Non-utility revenues	57	52	67
Total	3,248	2,763	3,018
Expenses:
Utility natural gas, fuel and purchased power	1,515	1,100	1,391
Non-utility cost of revenues, including natural gas	17	17	39
Operation and maintenance	790	798	824
Depreciation and amortization	326	304	293
Taxes other than income taxes	193	182	161
Total	2,841	2,401	2,708
Operating Income	407	362	310
Other Income (Expense):
Gain on sale	11	0	0
Interest expense and other finance charges	(103)	(111)	(116)
Other income, net	(10)	(7)	(8)
Total	(102)	(118)	(124)
Income before income taxes	305	244	186
Income tax expense	51	97	(3)
Income From Continuing Operations	254	147	189
Income (loss) from discontinued operations, net	0	(66)	23
Net Income (Loss)	$ 254	$ 81	$ 212

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STATEMENTS OF CONSOLIDATED INCOME - CERC (Parenthetical) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income tax expense (benefit) from discontinued operations	$ 201	$ (333)	$ 108
CERC Corp
Income tax expense (benefit) from discontinued operations	$ 0	$ (2)	$ 17

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STATEMENTS OF CONSOLIDATED COMPREHENSIVE INCOME - CERC - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Net income (loss)	$ 1,486	$ (773)	$ 791
Other comprehensive income (loss):
Adjustment to pension and other postretirement plans	21	(5)	12
Net current period other comprehensive income (loss)	26	8	10
Comprehensive income (loss) available to common shareholders	1,417	(941)	684
CERC Corp
Net income (loss)	254	81	212
Other comprehensive income (loss):
Adjustment to pension and other postretirement plans	0	0	5
Net current period other comprehensive income (loss)	0	0	5
Comprehensive income (loss) available to common shareholders	$ 254	$ 81	$ 217

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STATEMENTS OF CONSOLIDATED COMPREHENSIVE INCOME - CERC (Parenthetical) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Adjustment to other postemployment plans, tax	$ 7	$ 0	$ 4
CERC Corp
Adjustment to other postemployment plans, tax	$ 1	$ 1	$ 2

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CONSOLIDATED BALANCE SHEETS - CERC - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Current Assets:
Cash and cash equivalents	$ 230	$ 147
Accounts receivable, less allowance for credit losses	690	676
Accrued unbilled revenue, less allowance for credit losses	513	505
Materials and supplies	422	297
Natural gas and coal inventory	186	203
Taxes receivable	1	82
Current assets held for sale	2,338	0
Regulatory assets	1,395	18
Prepaid expense and other current assets ($19 and $15 related to VIEs, respectively)	132	121
Total current assets	7,355	2,920
Property, Plant and Equipment, net	23,484	22,362
Other Assets:
Goodwill	4,294	4,697
Regulatory assets ($420 and $633 related to VIEs, respectively)	2,321	2,094
Other non-current assets	220	253
Total other assets	6,840	8,189
Total Assets	37,679	33,471
Current Liabilities:
Short-term borrowings	7	24
Accounts payable	1,196	853
Taxes accrued	378	265
Interest accrued	136	145
Customer deposits	111	119
Current liabilities held for sale	562	0
Other	323	432
Total current liabilities	4,287	4,825
Other Liabilities:
Deferred income taxes, net	3,904	3,603
Benefit obligations	511	680
Regulatory liabilities	3,153	3,448
Other	836	1,019
Total other liabilities	8,416	8,777
Total long-term debt, net	15,558	11,521
Commitments and Contingencies (Note 16)
Shareholders’ Equity:
Common stock	6	6
Additional paid-in capital	8,529	6,914
Retained earnings (accumulated deficit)	154	(845)
Accumulated other comprehensive loss	(64)	(90)
Total shareholders’ equity	9,415	8,348
Total Liabilities and Shareholders’ Equity	37,679	33,471
CERC Corp
Current Assets:
Cash and cash equivalents	8	1
Accounts receivable, less allowance for credit losses	240	233
Accrued unbilled revenue, less allowance for credit losses	247	260
Accounts and notes receivable—affiliated companies	16	8
Materials and supplies	74	58
Natural gas and coal inventory	127	121
Taxes receivable	28	0
Current assets held for sale	2,084	0
Regulatory assets	1,289	18
Prepaid expense and other current assets ($19 and $15 related to VIEs, respectively)	15	8
Total current assets	4,128	707
Property, Plant and Equipment, net	5,763	6,558
Other Assets:
Goodwill	611	757
Regulatory assets ($420 and $633 related to VIEs, respectively)	577	220
Other non-current assets	31	66
Total other assets	1,219	1,043
Total Assets	11,110	8,308
Current Liabilities:
Short-term borrowings	7	24
Accounts payable	365	296
Accounts and notes payable–affiliated companies	56	50
Notes payable - affiliated companies	224	0
Taxes accrued	90	74
Interest accrued	27	28
Customer deposits	63	76
Current liabilities held for sale	562	0
Other	113	178
Total current liabilities	1,507	726
Other Liabilities:
Deferred income taxes, net	680	584
Benefit obligations	81	83
Regulatory liabilities	979	1,226
Other	482	694
Total other liabilities	2,222	2,587
Total long-term debt, net	4,380	2,428
Commitments and Contingencies (Note 16)
Shareholders’ Equity:
Common stock	0	0
Additional paid-in capital	2,226	2,046
Retained earnings (accumulated deficit)	765	511
Accumulated other comprehensive loss	10	10
Total shareholders’ equity	3,001	2,567
Total Liabilities and Shareholders’ Equity	$ 11,110	$ 8,308

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CONSOLIDATED BALANCE SHEETS - CERC (Parenthetical) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Bad debt reserve	$ 44	$ 52
Accrued unbilled revenues, allowance for credit loss	6	5
CERC Corp
Bad debt reserve	39	45
Accrued unbilled revenues, allowance for credit loss	$ 5	$ 4

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STATEMENTS OF CONSOLIDATED CASH FLOWS - CERC - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Cash Flows from Operating Activities:
Net income (loss)	$ 1,486	$ (773)	$ 791
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	1,316	1,189	1,225
Deferred income taxes	213	(429)	69
Goodwill impairment and loss from reclassification to held for sale	0	175	48
Changes in other assets and liabilities, excluding acquisitions:
Accounts receivable and unbilled revenues, net	(98)	90	226
Inventory	(140)	9	(52)
Taxes receivable	81	24	(106)
Accounts payable	175	2	(455)
Net regulatory assets and liabilities	(2,295)	(107)	(22)
Other operating activities, net	85	35	128
Net cash provided by operating activities	22	1,995	1,638
Cash Flows from Investing Activities:
Capital expenditures	(3,164)	(2,596)	(2,506)
Proceeds from divestitures (Note 4)	22	1,215	0
Other investing activities, net	15	36	34
Net cash used in investing activities	(1,851)	(1,265)	(8,421)
Cash Flows from Financing Activities:
Proceeds from (payments of) commercial paper, net	1,132	(761)	1,891
Proceeds from long-term debt	4,493	799	2,916
Payments of long-term debt, including make-whole premiums	(2,968)	(1,724)	(1,302)
Other financing activities, net	(5)	(6)	(14)
Net cash provided by (used in) financing activities	1,916	(834)	2,776
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash	87	(104)	(4,007)
Cash, Cash Equivalents and Restricted Cash at Beginning of Year	167	271	4,278
Cash, Cash Equivalents and Restricted Cash at End of Year	254	167	271
CERC Corp
Cash Flows from Operating Activities:
Net income (loss)	254	81	212
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	326	304	293
Deferred income taxes	77	91	7
Goodwill impairment and loss from reclassification to held for sale	0	93	48
Changes in other assets and liabilities, excluding acquisitions:
Accounts receivable and unbilled revenues, net	(60)	151	252
Accounts receivable/payable–affiliated companies	(4)	4	(6)
Inventory	(54)	63	(12)
Taxes receivable	(28)	0	0
Accounts payable	76	(72)	(305)
Net regulatory assets and liabilities	(1,979)	(52)	76
Other current assets and liabilities	(11)	47	(91)
Other assets and liabilities	(45)	14	(33)
Other operating activities, net	8	5	25
Net cash provided by operating activities	(1,440)	729	466
Cash Flows from Investing Activities:
Capital expenditures	(895)	(815)	(776)
(Increase) decrease in notes receivable–affiliated companies	0	(9)	114
Proceeds from divestitures (Note 4)	22	365
Other investing activities, net	14	7	0
Net cash used in investing activities	(859)	(452)	(662)
Cash Flows from Financing Activities:
Decrease in short-term borrowings, net	(27)	0	0
Proceeds from (payments of) commercial paper, net	552	(30)	167
Proceeds from long-term debt	1,699	500	0
Payments of long-term debt, including make-whole premiums	(311)	(593)	0
Payment of debt issuance costs	(10)	(4)	0
Dividend to parent	0	(80)	(120)
Contribution from parent	180	217	129
Capital distribution to parent associated with the sale of CES	0	(286)	0
Increase (decrease) in notes payable–affiliated companies	224	0	0
Other financing activities, net	(1)	(2)	(3)
Net cash provided by (used in) financing activities	2,306	(278)	173
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash	7	(1)	(23)
Cash, Cash Equivalents and Restricted Cash at Beginning of Year	1	2	25
Cash, Cash Equivalents and Restricted Cash at End of Year	$ 8	$ 1	$ 2

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STATEMENTS OF CONSOLIDATED CHANGES IN EQUITY - CERC - USD ($) $ in Millions	Total	Common Stock	Additional Paid-in-Capital	Retained Earnings (Accumulated Deficit)	Retained Earnings (Accumulated Deficit) Cumulative Effect, Period of Adoption, Adjustment	Accumulated Other Comprehensive Loss	CERC Corp	CERC Corp Common Stock	CERC Corp Additional Paid-in-Capital	CERC Corp Additional Paid-in-Capital Discontinued Operations	CERC Corp Retained Earnings (Accumulated Deficit)	CERC Corp Retained Earnings (Accumulated Deficit) Cumulative Effect, Period of Adoption, Adjustment	CERC Corp Accumulated Other Comprehensive Loss
Balance, beginning of year (in shares) at Dec. 31, 2018		501,000,000						1,000
Balance, end of year (in shares) at Dec. 31, 2019		502,000,000						1,000
Balance, beginning of year at Dec. 31, 2018		$ 5	$ 6,072	$ 349	$ 0	$ (108)		$ 0	$ 2,015		$ 423		$ 5
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash contribution from parent									129
Other									0	$ 0
Capital distribution to parent associated with Internal Spin									(28)
Net income (loss)	$ 791			791			$ 212				212
Dividend to parent											(120)
Accounting Standards Update [Extensible Enumeration]	Accounting Standards Update 2016-13 [Member]
Other comprehensive income						10							5
Balance, end of year at Dec. 31, 2019	$ 8,359	$ 5	6,080	632	(7)	(98)	2,641	$ 0	2,116		515	$ (5)	10
Balance, end of year (in shares) at Dec. 31, 2020	551,355,861	551,000,000						1,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash contribution from parent									217
Other									(1)	(286)
Capital distribution to parent associated with Internal Spin									0
Net income (loss)	$ (773)			(773)			81				81
Dividend to parent											(80)
Other comprehensive income						8							0
Balance, end of year at Dec. 31, 2020	$ 8,348	$ 6	6,914	(845)	$ 0	(90)	2,567	$ 0	2,046		511		10
Balance, end of year (in shares) at Dec. 31, 2021	628,923,534	629,000,000						1,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash contribution from parent									180
Other									0	$ 0
Capital distribution to parent associated with Internal Spin									0
Net income (loss)	$ 1,486			1,486			254				254
Dividend to parent											0
Other comprehensive income						26							0
Balance, end of year at Dec. 31, 2021	$ 9,415	$ 6	$ 8,529	$ 154		$ (64)	$ 3,001	$ 0	$ 2,226		$ 765		$ 10

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Background

12 Months Ended

Dec. 31, 2021

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Background

Background

General. This combined Form 10-K is filed separately by three registrants: CenterPoint Energy, Inc., CenterPoint Energy Houston Electric, LLC and CenterPoint Energy Resources Corp. Information contained herein relating to any individual registrant is filed by such registrant solely on its own behalf. Each registrant makes no representation as to information relating exclusively to the other Registrants or the subsidiaries of CenterPoint Energy other than itself or its subsidiaries.

Except as discussed in Note 14 to the Registrants’ Consolidated Financial Statements, no registrant has an obligation in respect of any other Registrant’s debt securities, and holders of such debt securities should not consider the financial resources or results of operations of any Registrant other than the obligor in making a decision with respect to such securities.

Included in this combined Form 10-K are the Financial Statements of CenterPoint Energy, Houston Electric and CERC, which are referred to collectively as the Registrants. The Combined Notes to the Consolidated Financial Statements apply to all Registrants and specific references to Houston Electric and CERC herein also pertain to CenterPoint Energy, unless otherwise indicated.

Background. CenterPoint Energy, Inc. is a public utility holding company. As of December 31, 2021, CenterPoint Energy’s operating subsidiaries were as follows:

•Houston Electric owns and operates electric transmission and distribution facilities in the Texas gulf coast area that includes the city of Houston; and

•CERC Corp. (i) owns and operates natural gas distribution systems in six states and (ii) owns and operates permanent pipeline connections through interconnects with various interstate and intrastate pipeline companies through CEIP.

•Vectren holds three public utilities through its wholly-owned subsidiary, VUHI, a public utility holding company:

◦Indiana Gas provides energy delivery services to natural gas customers located in central and southern Indiana;

◦SIGECO provides energy delivery services to electric and natural gas customers located in and near Evansville in southwestern Indiana and owns and operates electric generation assets to serve its electric customers and optimizes those assets in the wholesale power market; and

◦VEDO provides energy delivery services to natural gas customers located in and near Dayton in west-central Ohio.

•Vectren performs non-utility activities through Energy Systems Group, which provides energy performance contracting and sustainable infrastructure services, such as renewables, distributed generation and combined heat and power projects.

For a description of CenterPoint Energy’s reportable segments, see Note 18. Houston Electric consists of a single reportable segment, Houston Electric T&D and CERC consists of a single reportable segment, Natural Gas.

Held for Sale and Discontinued Operations. On January 10, 2022, CERC Corp. completed the sale of its Arkansas and Oklahoma Natural Gas businesses. For additional information regarding held for sale, discontinued operations and divestitures, see Note 4.

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Summary of Significant Accounting Policies

12 Months Ended

Dec. 31, 2021

Accounting Policies [Abstract]

Summary of Significant Accounting Policies

Summary of Significant Accounting Policies

(a)Use of Estimates

The preparation of financial statements in conformity with generally accepted accounting principles requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, disclosure of contingent assets and liabilities at the date of the financial statements, and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.

(b)Principles of Consolidation

The accounts of the Registrants and their wholly-owned and majority-owned and controlled subsidiaries are included in the consolidated financial statements. All intercompany transactions and balances are eliminated in consolidation, except as described below.

Businesses within the Infrastructure Services Disposal Group provided underground pipeline construction and repair services for customers that included Natural Gas utilities. In accordance with consolidation guidance in ASC 980—Regulated Operations, costs incurred by Natural Gas utilities for these pipeline construction and repair services were not eliminated in consolidation when capitalized and included in rate base by the Natural Gas utility. On February 3, 2020, CenterPoint Energy, through its subsidiary VUSI, entered into the Securities Purchase Agreement to sell the Infrastructure Services Disposal Group. The transaction closed on April 9, 2020. For further information, see Note 4.

As of December 31, 2021, CenterPoint Energy and Houston Electric had VIEs consisting of the Bond Companies, which are consolidated. The consolidated VIEs are wholly-owned, bankruptcy remote special purpose entities that were formed solely for the purpose of securitizing transition and system restoration related property. Creditors of CenterPoint Energy and Houston Electric have no recourse to any assets or revenues of the Bond Companies. The bonds issued by these VIEs are payable only from and secured by transition and system restoration property and the bondholders have no recourse to the general credit of CenterPoint Energy or Houston Electric.

(c)Equity Method and Investments without a Readily Determinable Fair Value (CenterPoint Energy)

CenterPoint Energy uses the equity method for investments in entities when it exercises significant influence, does not have control and is not considered the primary beneficiary, if applicable. Generally, equity investments in limited partnerships with interest greater than approximately 3-5% is accounted for under the equity method.

Under the equity method, CenterPoint Energy adjusts its investments each period for contributions made, distributions received, respective shares of comprehensive income and amortization of basis differences, as appropriate. CenterPoint Energy evaluates its equity method investments for impairment when events or changes in circumstances indicate there is a loss in value of the investment that is other than a temporary decline.

CenterPoint Energy considers distributions received from equity method investments which do not exceed cumulative equity in earnings subsequent to the date of investment to be a return on investment and classifies these distributions as operating activities in its Statements of Consolidated Cash Flows. CenterPoint Energy considers distributions received from equity method investments in excess of cumulative equity in earnings subsequent to the date of investment to be a return of investment and classifies these distributions as investing activities in its Statements of Consolidated Cash Flows.

Investments without a readily determinable fair value will be measured at cost, less impairment, plus or minus observable prices changes of an identical or similar investment of the same issuer.

(d)Revenues

The Registrants record revenue for electricity delivery and natural gas sales and services under the accrual method and these revenues are recognized upon delivery to customers. Electricity deliveries not billed by month-end are accrued based on actual AMS/AMI data, supply volumes, estimated line loss and applicable tariff rates. Natural gas sales not billed by month-end are accrued based upon estimated purchased gas volumes, estimated lost and unaccounted for gas and currently effective tariff rates. For further discussion, see Note 5.

(e) MISO Transactions

Indiana Electric is a member of the MISO. MISO-related purchase and sale transactions are recorded using settlement information provided by the MISO. These purchase and sale transactions are accounted for on at least a net hourly position, meaning net purchases within that interval are recorded on CenterPoint Energy’s Statements of Consolidated Income in Utility natural gas, fuel and purchased power, and net sales within that interval are recorded on CenterPoint Energy’s Statements of Consolidated Income in Utility revenues. On occasion, prior period transactions are resettled outside the routine process due to a change in the MISO’s tariff or a material interpretation thereof. Expenses associated with resettlements are recorded once the resettlement is probable and the resettlement amount can be estimated. Revenues associated with resettlements are recognized when the amount is determinable and collectability is reasonably assured.

(f) Guarantees

CenterPoint Energy recognizes guarantee obligations at fair value. CenterPoint Energy discloses parent company guarantees of a subsidiary’s obligation when that guarantee results in the exposure of a material obligation of the parent company even if the probability of fulfilling such obligation is considered remote. See Note 16(c) and (d).  

(g) Long-lived Assets, Goodwill and Intangibles

The Registrants record property, plant and equipment at historical cost and expense repair and maintenance costs as incurred.

The Registrants periodically evaluate long-lived assets, including property, plant and equipment, and specifically identifiable intangibles subject to amortization, when events or changes in circumstances indicate that the carrying value of these assets may not be recoverable. For rate regulated businesses, recoverability of long-lived assets is assessed by determining if a capital disallowance from a regulator is probable through monitoring the outcome of rate cases and other proceedings. For non-rate regulated businesses, recoverability is assessed based on an estimate of undiscounted cash flows attributable to the assets compared to the carrying value of the assets. No long-lived asset or intangible asset impairments were recorded in 2021, 2020 or 2019.

CenterPoint Energy and CERC perform goodwill impairment tests at least annually and evaluate goodwill when events or changes in circumstances indicate that its carrying value may not be recoverable. CenterPoint Energy and CERC recognize a goodwill impairment by the amount a reporting unit’s carrying value exceeds its fair value, not to exceed the carrying amount of goodwill within that reporting unit. CenterPoint Energy includes deferred tax assets and liabilities within its reporting unit’s carrying value for the purposes of annual and interim impairment tests, regardless of whether the estimated fair value reflects the disposition of such assets and liabilities. For further information about the goodwill impairment tests during 2021, see Note 6.

(h) Assets Held for Sale and Discontinued Operations

Generally, a long-lived asset to be sold is classified as held for sale in the period in which management, with approval from the Board of Directors, as applicable, commits to a plan to sell and a sale is expected to be completed within one year. The Registrants record assets and liabilities held for sale at the lower of their carrying value or their estimated fair value less cost to sell. If the disposal group reflects a component of a reporting unit and meets the definition of a business, the goodwill within that reporting unit is allocated to the disposal group based on the relative fair value of the components representing a business that will be retained and disposed. Goodwill is not allocated to a portion of a reporting unit that does not meet the definition of a business. A disposal group that meets the held for sale criteria and also represents a strategic shift to the Registrant, is also reflected as discontinued operations on the Statements of Consolidated Income, and prior periods are recast to reflect the earnings or losses from such businesses as income from discontinued operations, net of tax.

(i) Regulatory Assets and Liabilities

The Registrants apply the guidance for accounting for regulated operations within the Electric reportable segment and the Natural Gas reportable segment. The Registrants’ rate-regulated subsidiaries may collect revenues subject to refund pending final determination in rate proceedings. In connection with such revenues, estimated rate refund liabilities are recorded which reflect management’s current judgment of the ultimate outcomes of the proceedings.

The Registrants’ rate-regulated businesses recognize removal costs as a component of depreciation expense in accordance with regulatory treatment. In addition, a portion of the amount of removal costs collected from customers that relate to AROs has been reflected as an asset retirement liability in accordance with accounting guidance for AROs.

For further detail on the Registrants’ regulatory assets and liabilities, see Note 7.

(j) Depreciation and Amortization Expense

The Registrants compute depreciation and amortization using the straight-line method based on economic lives or regulatory-mandated recovery periods. Amortization expense includes amortization of certain regulatory assets and other intangibles.

(k) Capitalization of Interest and AFUDC

The Registrants capitalize interest and AFUDC as a component of projects under construction and amortize it over the assets’ estimated useful lives once the assets are placed in service. AFUDC represents the composite interest cost of borrowed funds and a reasonable return on the equity funds used for construction for subsidiaries that apply the guidance for accounting for regulated operations. Although AFUDC increases both utility plant and earnings, it is realized in cash when the assets are included in rates.

	Year Ended December 31,
	2021						2020						2019
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Interest and AFUDC debt (1)	$	34	$	13	$	2	$	27	$	8	$	3	$	36	$	8	$	3
AFUDC equity (2)	28		20		3		25		14		3		22		15		3

(1)Included in Interest and other finance charges on the Registrants’ respective Statements of Consolidated Income, inclusive of $16 million, $13 million and $21 million of debt post in-service carrying costs on property, plant and equipment, primarily in Indiana, deferred into a regulatory asset in the years ended December 31, 2021, 2020 and 2019, respectively.

(2)Included in Other Income (Expense) on the Registrants’ respective Statements of Consolidated Income.

(l) Income Taxes

Houston Electric and CERC are included in CenterPoint Energy’s U.S. federal consolidated income tax return. Houston Electric and CERC report their income tax provision on a separate entity basis pursuant to a tax sharing agreement with CenterPoint Energy. Current federal and certain state income taxes are payable to or receivable from CenterPoint Energy.

The Registrants use the asset and liability method of accounting for deferred income taxes. Deferred income tax assets and liabilities are recognized for the future tax consequences attributable to differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax basis. A valuation allowance is established against deferred tax assets for which management believes realization is not considered to be more likely than not. The Registrants recognize interest and penalties as a component of income tax expense (benefit), as applicable, in their respective Statements of Consolidated Income. CenterPoint Energy reports the income tax provision associated with its interest in Enable in income tax expense (benefit) in its Statements of Consolidated Income.

To the extent certain EDIT of the Registrants’ rate-regulated subsidiaries may be recoverable or payable through future rates, regulatory assets and liabilities have been recorded, respectively. See Note 15 for further discussion.

The Registrants use the portfolio approach to recognize income tax effects on other comprehensive income from accumulated other comprehensive income.

Investment tax credits are deferred and amortized to income over the approximate lives of the related property.

(m) Accounts Receivable and Allowance for Credit Losses

Accounts receivable are recorded at the invoiced amount and do not bear interest. Management reviews historical write-offs, current available information, and reasonable and supportable forecasts to estimate and establish allowance for credit losses. Account balances are charged off against the allowance when management determines it is probable the receivable will not be recovered. See Note 7 for further information about regulatory deferrals of bad debt expense related to COVID-19.

(n) Inventory

The Registrants’ inventory consists principally of materials and supplies, and for CERC, natural gas, and for CenterPoint Energy, coal inventory. Materials and supplies are valued at the lower of average cost or market. Materials and supplies are recorded to inventory when purchased and subsequently charged to expense or capitalized to plant when installed. Certain natural gas in storage at CenterPoint Energy’s and CERC’s utilities are recorded using the LIFO method. CenterPoint Energy’s and CERC’s balances in inventory that were valued using LIFO method were as follows:

	Year Ended December 31,
	2021 (1)		2020		2021 (1)		2020 (1)
	CenterPoint Energy				CERC
	(in millions)
LIFO inventory	$	101	$	92	$	56	$	55

(1)Based on the average cost of gas purchased during December 2021, CenterPoint Energy’s and CERC’s cost of replacing inventories carried at LIFO cost was less than the carrying value at December 31, 2021 by $48 million and $-0-, respectively.

(o) Derivative Instruments

The Registrants are exposed to various market risks. These risks arise from transactions entered into in the normal course of business. The Registrants, from time to time, utilize derivative instruments such as physical forward contracts, swaps and options to mitigate the impact of changes in commodity prices, weather and interest rates on operating results and cash flows. Such derivatives are recognized in the Registrants’ Consolidated Balance Sheets at their fair value unless the Registrant elects the normal purchase and sales exemption for qualified physical transactions. A derivative may be designated as a normal purchase or normal sale if the intent is to physically receive or deliver the product for use or sale in the normal course of business. CenterPoint Energy elected to record changes in the fair value of amounts excluded from the assessment of effectiveness immediately in its Statements of Consolidated Income.

(p) Investments in Equity Securities (CenterPoint Energy)

CenterPoint Energy reports equity securities at estimated fair value in the Consolidated Balance Sheets, and any gains and losses, net of any transaction costs, are recorded as Gain (Loss) on Equity Securities in the Statements of Consolidated Income.

(q) Environmental Costs

The Registrants expense or capitalize environmental expenditures, as appropriate, depending on their future economic benefit. The Registrants expense amounts that relate to an existing condition caused by past operations that do not have future economic benefit. The Registrants record undiscounted liabilities related to these future costs when environmental assessments and/or remediation activities are probable and the costs can be reasonably estimated.

(r) Cash and Cash Equivalents and Restricted Cash

For purposes of reporting cash flows, the Registrants consider cash equivalents to be short-term, highly-liquid investments with maturities of three months or less from the date of purchase. Cash and cash equivalents held by the Bond Companies (VIEs) solely to support servicing the Securitization Bonds as of December 31, 2021 and 2020 are reflected on CenterPoint Energy’s and Houston Electric’s Consolidated Balance Sheets.

In connection with the issuance of Securitization Bonds, CenterPoint Energy and Houston Electric were required to establish restricted cash accounts to collateralize the bonds that were issued in these financing transactions. These restricted

cash accounts are not available for withdrawal until the maturity of the bonds and are not included in cash and cash equivalents. For more information on restricted cash see Note 19.

(s) Preferred Stock and Dividends

Preferred stock is evaluated to determine balance sheet classification, and all conversion and redemption features are evaluated for bifurcation treatment. Proceeds received net of issuance costs are recognized on the settlement date. Cash dividends become a liability once declared. Income available to common stockholders is computed by deducting from net income the dividends accumulated and earned during the period on cumulative preferred stock.

(t) Purchase Accounting

The Registrants evaluate acquisitions to determine when a set of acquired activities and assets represent a business. When control of a business is obtained, the Registrants apply the acquisition method of accounting and record the assets acquired, liabilities assumed and any non-controlling interest obtained based on fair value at the acquisition date. The excess of the fair value of purchase consideration over the fair value of the net assets acquired is recorded as goodwill. The results of operations of the acquired business are included in the Registrants’ respective Statements of Consolidated Income beginning on the date of the acquisition.

(u) New Accounting Pronouncements

Management believes that other recently adopted and recently issued accounting standards that are not yet effective will not have a material impact on the Registrants’ financial position, results of operations or cash flows upon adoption.

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Property, Plant and Equipment

12 Months Ended

Dec. 31, 2021

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Property, Plant and Equipment

(a) Property, Plant and Equipment

Property, plant and equipment includes the following:

		December 31, 2021						December 31, 2020
	Weighted Average Useful Lives	Property, Plant and Equipment, Gross		Accumulated Depreciation & Amortization		Property, Plant and Equipment, Net		Property, Plant and Equipment, Gross		Accumulated Depreciation & Amortization		Property, Plant and Equipment, Net
	(in years)	(in millions)
CenterPoint Energy
Electric transmission and distribution	36	$	17,156	$	4,658	$	12,498	$	15,225	$	4,785	$	10,440
Electric generation (1)	26	1,807		1,179		628		1,922		754		1,168
Natural gas distribution	30	13,578		3,981		9,597		14,022		4,019		10,003
Finance ROU asset mobile generation	7.5	179		—		179		—		—		—
Other property	16	953		371		582		1,345		594		751
Total		$	33,673	$	10,189	$	23,484	$	32,514	$	10,152	$	22,362
Houston Electric
Electric transmission and distribution	38	$	13,321	$	3,502	$	9,819	$	11,911	$	3,396	$	8,515
Finance ROU asset mobile generation	7.5	179		—		179		—		—		—
Other property	19	1,773		568		1,205		1,682		534		1,148
Total		$	15,273	$	4,070	$	11,203	$	13,593	$	3,930	$	9,663
CERC
Natural gas distribution	29	$	7,833	$	2,093	$	5,740	$	8,928	$	2,392	$	6,536
Other property	19	45		22		23		44		22		22
Total		$	7,878	$	2,115	$	5,763	$	8,972	$	2,414	$	6,558

(1)SIGECO and AGC own a 300 MW unit at the Warrick Power Plant (Warrick Unit 4) as tenants in common. SIGECO’s share of the cost of this unit as of December 31, 2021, is $196 million with accumulated depreciation totaling $154 million. AGC and SIGECO share equally in the cost of operation and output of the unit. SIGECO’s share

of operating costs is included in Operation and maintenance expense in CenterPoint Energy’s Statements of Consolidated Income.

(b) Depreciation and Amortization

The following table presents depreciation and amortization expense for 2021, 2020 and 2019:

	Year Ended December 31,
	2021						2020						2019
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Depreciation	$	1,024	$	391	$	311	$	961	$	368	$	289	$	879	$	339	$	277
Amortization of securitized regulatory assets	213		213		—		155		155		—		271		271		—
Other amortization	79		38		15		73		37		15		75		38		16
Total	$	1,316	$	642	$	326	$	1,189	$	560	$	304	$	1,225	$	648	$	293

(c) AROs

The Registrants recorded AROs associated with the removal of asbestos and asbestos-containing material in its buildings, including substation building structures. CenterPoint Energy recorded AROs relating to the closure of the ash ponds at A.B. Brown and F.B. Culley. CenterPoint Energy and Houston Electric also recorded AROs relating to treated wood poles for electric distribution, distribution transformers containing PCB (also known as Polychlorinated Biphenyl), and underground fuel storage tanks. CenterPoint Energy and CERC also recorded AROs relating to gas pipelines abandoned in place. The estimates of future liabilities were developed using historical information, and where available, quoted prices from outside contractors.

A reconciliation of the changes in the ARO liability recorded in Other non-current liabilities on each of the Registrants’ respective Consolidated Balance Sheets is as follows:

	December 31, 2021						December 31, 2020
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Beginning balance	$	787	$	43	$	571	$	539	$	42	$	325
Accretion expense (1)	21		1		12		16		1		11
Revisions in estimates (2)	(67)		(2)		(93)		232		—		235
Ending balance	$	741	$	42	$	490	$	787	$	43	$	571

(1)Reflected in Regulatory assets on each of the Registrants’ respective Consolidated Balance Sheets.

(2)In 2021, the Registrants reflected a decrease in their respective ARO liability, which is primarily attributable to increases in the long-term interest rates used for discounting in the ARO calculation.

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Held for Sale, Divestitures and Mergers (CenterPoint Energy and CERC)

12 Months Ended

Dec. 31, 2021

Discontinued Operations and Disposal Groups [Abstract]

Held for Sale, Divestitures and Mergers (CenterPoint Energy and CERC)

(4) Held for Sale, Divestitures and Mergers (CenterPoint Energy and CERC)

Held for Sale

Held for Sale. On April 29, 2021, CenterPoint Energy, through its subsidiary CERC Corp., entered into an Asset Purchase Agreement to sell its Arkansas and Oklahoma Natural Gas businesses for $2.15 billion in cash, including recovery of approximately $425 million in gas cost, including storm-related incremental natural gas costs incurred in the February 2021 Winter Storm Event, subject to certain adjustments set forth in the Asset Purchase Agreement. The assets include approximately 17,000 miles of main pipeline in Arkansas, Oklahoma and certain portions of Bowie County, Texas serving more than half a million customers. The Arkansas and Oklahoma Natural Gas businesses are reflected in CenterPoint Energy’s Natural Gas reportable segment and CERC’s single reportable segment, as applicable. Filings were made on June 11, 2021 to the APSC and June 24, 2021 to the OCC requesting approval of the transaction. On August 18, 2021, the Hart-Scott-Rodino antitrust waiting period expired. On October 14, 2021, a unanimous settlement agreement was filed with the APSC resolving all matters associated with the sale and the FRP. As part of the settlement agreement, CERC committed to provide $22 million in cash at the closing of the transaction, which will be passed through to Arkansas customers. CERC also committed to return any

insurance proceeds it may receive for claims submitted with respect to Arkansas, if any, for costs incurred as part of the February 2021 Winter Storm Event to reduce the balance of the incurred costs. The settlement agreement also provides for the extinguishment of CERC’s obligation to refund through the FRP approximately $10 million as of December 31, 2021. On November 16, 2021, the OCC issued its order approving the transaction, and the order became non-appealable on December 16, 2021. On December 6, 2021, the APSC issued its order approving the transaction, and the order became non-appealable on January 5, 2022. The transaction closed on January 10, 2022.

In April 2021, certain assets and liabilities representing the Arkansas and Oklahoma Natural Gas businesses met the held for sale criteria. The sale is considered an asset sale for tax purposes, requiring net deferred tax liabilities to be excluded from held for sale balances. The deferred taxes associated with the businesses were recognized as a deferred income tax benefit by CenterPoint Energy and CERC upon closing in 2022.

Although the Arkansas and Oklahoma Natural Gas businesses met the held for sale criteria, their disposals do not represent a strategic shift to CenterPoint Energy and CERC, as both will retain significant operations in, and will continue to invest in, their natural gas businesses. Therefore, the assets and liabilities associated with the transaction are not reflected as discontinued operations on CenterPoint Energy’s and CERC’s Statements of Consolidated Income, as applicable, and the December 31, 2020 Consolidated Balance Sheets were not required to be recast for assets held for sale. Since the depreciation on the Arkansas and Oklahoma Natural Gas assets continued to be reflected in revenues through customer rates until the closing of the transaction and will be reflected in the carryover basis of the rate-regulated assets, CenterPoint Energy and CERC continued to record depreciation on those assets through the closing of the transaction.

In September 2021, CNP Midstream entered into the Forward Sale Agreement to sell certain Energy Transfer Common Units upon the completion of the Enable Merger. Additionally, CenterPoint Energy’s announced plan to exit its Midstream Investment reportable segment by the end of 2022 represented a strategic shift that will have a major effect on CenterPoint Energy’s operations or financial results, and as such, its equity investment in Enable are classified and presented as discontinued operations. Equity method investments that qualify for discontinued operations are also presented as assets held for sale. Therefore, the equity in earnings (loss) of unconsolidated affiliates, net of tax, associated with the equity investment in Enable are reflected as discontinued operations on CenterPoint Energy’s Statements of Consolidated Income, and the December 31, 2020 Consolidated Balance Sheet was required to be recast for assets held for sale. For further information about CenterPoint Energy’s equity investment in Enable, see Note 11.

The Registrants record assets and liabilities held for sale at the lower of their carrying value or their estimated fair value less cost to sell. Neither CenterPoint Energy nor CERC recognized any gains or losses on the measurement of assets held for sale during the year ended December 31, 2021. See Note 6 for further information about the allocation of goodwill to the businesses to be disposed.

The assets and liabilities of the Arkansas and Oklahoma Natural Gas businesses and equity method investment in Enable classified as held for sale in CenterPoint Energy’s and CERC’s Consolidated Balance Sheets, as applicable, included the following:

	December 31, 2021
	CenterPoint Energy		CERC
	(in millions)
Receivables, net	$	46	$	46
Accrued unbilled revenues	48		48
Natural gas inventory	46		46
Materials and supplies	9		9
Property, plant and equipment, net	1,314		1,314
Goodwill	398		144
Investment in unconsolidated affiliate (1)	—		—
Regulatory assets	471		471
Other	6		6
Total current assets held for sale	$	2,338	$	2,084

	December 31, 2021
	CenterPoint Energy		CERC
	(in millions)
Short term borrowings (2)	$	36	$	36
Accounts payable	40		40
Taxes accrued	7		7
Customer deposits	12		12
Regulatory liabilities	365		365
Other	102		102
Total current liabilities held for sale	$	562	$	562

(1)Balance of $782 million as of December 31, 2020 is reported as Non-current assets held for sale on CenterPoint Energy’s Consolidated Balance Sheets.

(2)Represents third-party AMAs associated with utility distribution service in Arkansas and Oklahoma. These transactions are accounted for as an inventory financing. For further information, see Notes 14 and 16.

The pre-tax income for the Arkansas and Oklahoma Natural Gas businesses, excluding interest and corporate allocations, included in CenterPoint Energy’s and CERC’s Statements of Consolidated Income is as follows:

	Year Ended December 31,
	2021		2020
	(in millions)
Income from Continuing Operations Before Income Taxes	$	78	$	73

Discontinued Operations

Enable Merger. On December 2, 2021, Enable, completed the previously announced Enable Merger pursuant to the Enable Merger Agreement entered into on February 16, 2021.

Pursuant to the terms of the Enable Merger Agreement, (i) Elk Merger Sub merged with and into Enable, with Enable surviving as a wholly owned subsidiary of Energy Transfer, (ii) Elk GP Merger Sub merged with and into Enable GP, with Enable GP surviving as a direct wholly owned subsidiary of Energy Transfer and (iii) CenterPoint Energy contributed, assigned, transferred, conveyed and delivered to Energy Transfer, and Energy Transfer acquired, assumed, accepted and received from CenterPoint Energy, all of CenterPoint Energy’s right, title and interest in each Enable Series A Preferred Units issued and outstanding at such time in exchange for 0.0265 newly issued Energy Transfer Series G Preferred Units for each Enable Series A Preferred Unit. Upon the consummation of the transactions contemplated by the Enable Merger Agreement, the agreements relating to Enable between CenterPoint Energy, OGE and Enable and certain of their affiliates terminated, and CenterPoint Energy paid $30 million to OGE.

The Enable Series A Preferred Units are accounted for under Topic 321 - Investments - Equity Securities and are out of scope for held-for-sale and discontinued operations guidance.

At the closing of the Enable Merger on December 2, 2021, Energy Transfer acquired 100% of Enable’s outstanding common units, resulting in the exchange of Enable Common Units owned by CenterPoint Energy at the Enable Merger exchange ratio of 0.8595x Energy Transfer Common Units for each Enable Common Unit. CenterPoint Energy also received $5 million in cash in exchange for its interest in the Enable GP. See Note 19 for supplemental information regarding the non-cash exchange transaction. See Note 12 for further information regarding Energy Transfer security equities.

Divestiture of Infrastructure Services (CenterPoint Energy). On February 3, 2020, CenterPoint Energy, through its subsidiary VUSI, entered into the Securities Purchase Agreement to sell the Infrastructure Services Disposal Group to PowerTeam Services. Subject to the terms and conditions of the Securities Purchase Agreement, PowerTeam Services agreed to purchase all of the outstanding equity interests of VISCO for approximately $850 million, subject to customary adjustments set forth in the Securities Purchase Agreement, including adjustments based on VISCO’s net working capital at closing, indebtedness, cash and cash equivalents and transaction expenses. The transaction closed on April 9, 2020 for $850 million in cash, subject to the working capital adjustment. Additionally, as of December 31, 2020, CenterPoint Energy had a receivable

from PowerTeam Services for working capital and other adjustments set forth in the Security Purchase Agreement. CenterPoint Energy collected a receivable of $4 million from PowerTeam Services in January 2021 for full and final settlement of the working capital adjustment under the Securities Purchase Agreement.

In February 2020, certain assets and liabilities representing the Infrastructure Services Disposal Group met the held for sale criteria and represented all of the businesses within the reporting unit. In accordance with the Securities Purchase Agreement, VISCO was converted from a wholly-owned corporation to a limited liability company that was disregarded for federal income tax purposes immediately prior to the closing of the transaction resulting in the sale of membership units. The sale was considered an asset sale for tax purposes, requiring net deferred tax liabilities of approximately $129 million as of April 9, 2020, the date the transaction closed, to be recognized as a deferred income tax benefit by CenterPoint Energy. Additionally, CenterPoint Energy recognized a current tax expense of $158 million during the year ended December 31, 2020, as a result of the cash taxes payable upon sale.

Upon classifying the Infrastructure Services Disposal Group as held for sale and in connection with the preparation of CenterPoint Energy’s financial statements as of March 31, 2020, CenterPoint Energy recorded a goodwill impairment of approximately $82 million, plus an additional loss of $14 million for cost to sell, during the year ended December 31, 2020. Additionally, CenterPoint Energy recognized a net pre-tax loss of $6 million in connection with the closing of the disposition of the Infrastructure Services Disposal Group during the year ended December 31, 2020, respectively.

In the Securities Purchase Agreement, CenterPoint Energy agreed to a mechanism to reimburse PowerTeam Services subsequent to closing of the sale for certain amounts of specifically identified change orders that may be ultimately rejected by one of VISCO’s customers as part of on-going audits. CenterPoint Energy’s maximum contractual exposure under the Securities Purchase Agreement, in addition to the amount reflected in the working capital adjustment, for these change orders is $21 million. CenterPoint Energy does not expect the ultimate outcome of this matter to have a material adverse effect on its financial condition, results of operations or cash flows. CenterPoint Energy anticipates this matter will be resolved in 2022.

Divestiture of Energy Services (CenterPoint Energy and CERC). On February 24, 2020, CenterPoint Energy, through its subsidiary CERC Corp., entered into the Equity Purchase Agreement to sell the Energy Services Disposal Group to Symmetry Energy Solutions Acquisition. This transaction did not include CEIP and its assets or MES. Symmetry Energy Solutions Acquisition agreed to purchase all of the outstanding equity interests of the Energy Services Disposal Group for approximately $400 million, subject to customary adjustments set forth in the Equity Purchase Agreement, and inclusive of an estimate of the cash adjustment for the Energy Services Disposal Group’s net working capital at closing, indebtedness and transaction expenses. The transaction closed on June 1, 2020 for approximately $286 million in cash, subject to the working capital adjustment. CenterPoint Energy collected a receivable of $79 million from Symmetry Energy Solutions Acquisition in October 2020 for full and final settlement of the working capital adjustment under the Equity Purchase Agreement.

In February 2020, certain assets and liabilities representing the Energy Services Disposal Group met the criteria to be classified as held for sale and represented substantially all of the businesses within the reporting unit. In accordance with the Equity Purchase Agreement, CES was converted from a wholly-owned corporation to a limited liability company that is disregarded for federal income tax purposes immediately prior to the closing of the transaction resulting in the sale of membership units. The sale was considered an asset sale for tax purposes, requiring the net deferred tax liability of approximately $4 million as of June 1, 2020, the date the transaction closed, to be recognized as a deferred tax benefit by CenterPoint Energy and CERC upon closing. Additionally, CenterPoint Energy and CERC recognized current tax expense of $4 million during the year ended December 31, 2020, respectively, as a result of the cash taxes payable upon sale.

Upon classifying the Energy Services Disposal Group as held for sale and in connection with the preparation of CenterPoint Energy’s and CERC’s respective financial statements as of March 31, 2020, CenterPoint Energy and CERC recorded a goodwill impairment of approximately $62 million during the year ended December 31, 2020. Additionally, CenterPoint Energy recognized a loss on assets held for sale of approximately $31 million, plus an additional loss $6 million for cost to sell, recorded only at CenterPoint Energy during the year ended December 31, 2020, respectively. CenterPoint Energy and CERC recognized a gain on sale of $3 million during the year ended December 31, 2020.

As a result of the sale of the Energy Services and Infrastructure Services Disposal Groups, there were no assets or liabilities classified as held for sale as of December 31, 2020.

Because the Infrastructure Services and Energy Services Disposal Groups met the held for sale criteria and their disposals also represent a strategic shift to CenterPoint Energy and CERC, as applicable, the earnings and expenses directly associated with these dispositions, including operating results of the businesses through the date of sale, are reflected as discontinued operations on CenterPoint Energy’s and CERC’s Statements of Consolidated Income, as applicable. As a result, prior periods have also been recast to reflect the earnings or losses from such businesses as income from discontinued operations, net of tax.

A summary of discontinued operations presented in CenterPoint Energy’s Statements of Consolidated Income is as follows:

	Year Ended December 31, 2021
	Equity Method Investment in Enable
	(in millions)
Equity in earnings of unconsolidated affiliate, net	$	1,019
Income from discontinued operations before income taxes	1,019
Income tax expense	201
Net income from discontinued operations	$	818

	Year Ended December 31, 2020
	Equity Method Investment in Enable		Infrastructure Services Disposal Group		Energy Services Disposal Group		Total
	(in millions)
Revenues	$	—	$	250	$	1,167	$	1,417
Expenses:
Non-utility cost of revenues	—		50		1,108		1,158
Operation and maintenance	—		184		34		218
Taxes other than income taxes	—		1		3		4
Total	—		235		1,145		1,380
Operating income	—		15		22		37
Equity in losses of unconsolidated affiliate, net (1)	(1,428)		—		—		(1,428)
Income (loss) from Discontinued Operations before income taxes	(1,428)		15		22		(1,391)
Loss on classification to held for sale, net (2)	—		(102)		(96)		(198)
Income tax expense (benefit)	(354)		24		(3)		(333)
Net loss from Discontinued Operations	$	(1,074)	$	(111)	$	(71)	$	(1,256)

	Year Ended December 31, 2019
	Equity Method Investment in Enable		Infrastructure Services Disposal Group (3)		Energy Services Disposal Group		Total
	(in millions)
Revenues	$	—	$	1,190	$	3,767	$	4,957
Expenses:
Non-utility cost of revenues	—		309		3,597		3,906
Operation and maintenance	—		714		68		782
Depreciation and amortization	—		50		12		62
Taxes other than income taxes	—		2		2		4
Goodwill Impairment	—		—		48		48
Total	—		1,075		3,727		4,802
Operating income	—		115		40		155
Equity in earnings of unconsolidated affiliate, net (4)	229		—		—		229
Income from Discontinued Operations before income taxes	229		115		40		384
Income tax expense	62		29		17		108
Net income from Discontinued Operations	$	167	$	86	$	23	$	276

(1)CenterPoint Energy recognized a loss of $1,428 million from its investment in Enable for the year ended December 31, 2020. This loss included an impairment charge on CenterPoint Energy’s investment in Enable of $1,541 million and CenterPoint Energy’s interest in Enable’s $225 million impairment on an equity method investment.

(2)Loss from classification to held for sale is inclusive of goodwill impairments, gains and losses recognized upon sale, and for CenterPoint Energy, its costs to sell.

(3)Reflects February 1, 2019 to December 31, 2019 results only due to the Merger.

(4)Includes CenterPoint Energy’s share of Enable’s $86 million goodwill impairment recorded in the fourth quarter of 2019.

A summary of the Energy Services Disposal Group presented as discontinued operations in CERC’s Statements of Consolidated Income, as applicable, is as follows:

	Year Ended December 31,
	2020		2019
	CERC
	(in millions)
Revenues	$	1,167	$	3,767
Expenses:
Non-utility cost of revenues	1,108		3,597
Operation and maintenance	34		68
Depreciation and amortization	—		12
Taxes other than income taxes	3		2
Goodwill Impairment	—		48
Total	1,145		3,727
Income from Discontinued Operations before income taxes	22		40
Loss on classification to held for sale, net (1)	(90)		—
Income tax expense (benefit)	(2)		17
Net income (loss) from Discontinued Operations	$	(66)	$	23

(1)Loss from classification to held for sale is inclusive of goodwill impairment, gains and losses recognized upon sale, and for CenterPoint Energy, its costs to sell.

CenterPoint Energy and CERC have elected not to separately disclose discontinued operations on their respective Condensed Statements of Consolidated Cash Flows. Except as discussed in Note 2, long-lived assets are not depreciated or amortized once they are classified as held for sale. The following table summarizes CenterPoint Energy’s and CERC’s cash flows from discontinued operations and certain supplemental cash flow disclosures as applicable:

	Year Ended December 31, 2021
	CenterPoint Energy
	Equity Method Investment in Enable
	(in millions)
Cash flows from operating activities:
Adjustments to reconcile net income to net cash provided by operating activities:
Gain on Enable Merger	$	(681)
Equity in earnings of unconsolidated affiliate	(339)
Distributions from unconsolidated affiliate	155
Cash flows from investing activities:
Transaction costs related to the Enable Merger	(49)
Cash received related to Enable Merger	5

	Year Ended December 31, 2020
	CenterPoint Energy
	Equity Method Investment in Enable		Infrastructure Services Disposal Group		Energy Services Disposal Group
	(in millions)
Cash flows from operating activities:
Adjustments to reconcile net income to net cash provided by operating activities:
Write-down of natural gas inventory	$	—	$	—	$	3
Equity in losses of unconsolidated affiliate	1,428		—		—
Distributions from unconsolidated affiliate	113		—		—
Cash flows from investing activities:
Capital expenditures	—		18		3
Distributions from unconsolidated affiliate in excess of cumulative earnings	80		—		—

	Year Ended December 31, 2019
	CenterPoint Energy
	Equity Method Investment in Enable		Infrastructure Services Disposal Group (1)		Energy Services Disposal Group
	(in millions)
Cash flows from operating activities:
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	$	—	$	50	$	12
Amortization of intangible assets in Non-utility cost of revenues	—		19		—
Write-down of natural gas inventory	—		—		4
Equity in losses of unconsolidated affiliate	(229)		—		—
Distributions from unconsolidated affiliate	261		—		—
Cash flows from investing activities:
Capital expenditures	—		67		12
Distributions from unconsolidated affiliate in excess of cumulative earnings	42		—		—
Non-cash transactions:
Accounts payable related to capital expenditures	—		—		2

(1)Reflects February 1, 2019 to December 31, 2019 results only due to the Merger.

	Year Ended December 31,
	2020		2019
	CERC
	Energy Services Disposal Group
	(in millions)
Cash flows from operating activities:
Depreciation and amortization	$	—	$	12
Write-down of natural gas inventory	3		4
Cash flows from investing activities:
Capital expenditures	3		12
Non-cash transactions:
Accounts payable related to capital expenditures	—		2

Other Sale Related Matters of Infrastructure Services and Energy Services (CenterPoint Energy and CERC). CES provided natural gas supply to CenterPoint Energy’s and CERC’s Natural Gas under contracts executed in a competitive bidding process, with the duration of some contracts extending into 2021. In addition, CERC is the natural gas transportation provider for a portion of CES’s customer base and will continue to be the transportation provider for these customers as long as these customers retain a relationship with the divested CES business.

Transactions between CES and CenterPoint Energy’s and CERC’s Natural Gas that were previously eliminated in consolidation have been reflected in continuing operations until the closing of the sale of the Energy Services Disposal Group. Revenues and expenses included in continuing operations were as follows:

	Year Ended December 31,
	2020 (1)		2019		2020 (1)		2019
	CenterPoint Energy				CERC
	(in millions)
Transportation revenue	$	34	$	101	$	34	$	101
Natural gas expense	48		125		47		124

(1)Represents charges for the period January 1, 2020 until the closing of the sale of the Energy Services Disposal Group.

In the normal course of business prior to June 1, 2020, the Energy Services Disposal Group through CES traded natural gas under supply contracts and entered into natural gas related transactions under transportation, storage and other contracts. In connection with the Energy Services Disposal Group’s business activities prior to the closing of the sale of the Energy Services Disposal Group on June 1, 2020, CERC Corp. issued guarantees to certain of CES’s counterparties to guarantee the payment of CES’s obligations. For further information, see Note 16.

CenterPoint Energy’s and CERC’s Natural Gas businesses had AMAs associated with their utility distribution service in Arkansas, Louisiana and Oklahoma with the Energy Services Disposal Group that expired in March 2021. See Note 16 for further information.

The Infrastructure Services Disposal Group provided pipeline construction and repair services to CenterPoint Energy’s and CERC’s Natural Gas. In accordance with consolidation guidance in ASC 980—Regulated Operations, costs incurred by Natural Gas utilities for these pipeline construction and repair services are not eliminated in consolidation when capitalized and included in rate base by the Natural Gas utility. Amounts charged for these services that are not capitalized are included primarily in Operation and maintenance expenses.

Fees incurred by CenterPoint Energy’s and CERC’s Natural Gas reportable segment for pipeline construction and repair services are as follows:

	Year Ended December 31,
	2020 (1)		2019 (2)		2020		2019
	CenterPoint Energy				CERC
	(in millions)
Pipeline construction and repair services capitalized	$	34	$	162	$	—	$	20
Pipeline construction and repair service charges in operations and maintenance expense	1		4		1		4

(1)Represents charges for the period January 1, 2020 until the closing of the sale of the Infrastructure Services Disposal Group.

(2)Represents charges for the period beginning February 1, 2019 through December 31, 2019 due to the Merger.

Divestiture of MES (CenterPoint Energy and CERC). CenterPoint Energy, through its subsidiary CERC Corp., completed the sale of MES on August 31, 2021 to Last Mile Energy. Prior to the transaction, MES provided temporary delivery of LNG and CNG throughout the contiguous 48 states and MES was reflected in CenterPoint Energy’s Natural Gas reportable segment and CERC’s single reportable segment, as applicable.

The MES disposal does not represent a strategic shift to CenterPoint Energy and CERC, as both will retain significant operations in, and will continue to invest in, their natural gas businesses. Therefore, the assets and liabilities associated with MES are not reflected as discontinued operations on CenterPoint Energy’s and CERC’s Statements of Consolidated Income, as applicable, and the December 31, 2020 Consolidated Balance Sheets were not required to be recast for assets held for sale. CenterPoint Energy and CERC recognized a pre-tax gain on the sale of $8 million and $11 million, respectively, during year ended December 31, 2021. See Note 6 for further information about the allocation of goodwill to the MES disposal.

Merger with Vectren. On the Merger Date, pursuant to the Merger Agreement, CenterPoint Energy consummated the previously announced Merger and acquired Vectren for approximately $6 billion in cash. Each share of Vectren common stock issued and outstanding immediately prior to the closing was canceled and converted into the right to receive $72.00 in cash per share, without interest. At the closing, each stock unit payable in Vectren common stock or whose value was determined with reference to the value of Vectren common stock, whether vested or unvested, was canceled with cash consideration paid in accordance with the terms of the Merger Agreement. These amounts did not include a stub period cash dividend of $0.41145 per share, which was declared, with CenterPoint Energy’s consent, by Vectren’s board of directors on January 16, 2019, and paid to Vectren stockholders as of the Merger Date.

Pursuant to the Merger Agreement and immediately subsequent to the close of the Merger, CenterPoint Energy cash settled $78 million in outstanding share-based awards issued prior to the Merger Date by Vectren to its employees. As a result of the Merger, CenterPoint Energy assumed a liability for these share-based awards of $41 million and recorded an incremental cost of $37 million in Operation and maintenance expenses on its Statements of Consolidated Income during the year ended December 31, 2019 for the accelerated vesting of the awards in accordance with the Merger Agreement.

Subsequent to the close of the Merger, CenterPoint Energy recognized severance totaling $61 million to employees terminated immediately subsequent to the Merger close, inclusive of change of control severance payments to executives of Vectren under existing agreements, and which is included in Operation and maintenance expenses on its Statements of Consolidated Income during the year ended December 31, 2019. Total severance cost for the year ended December 31, 2019 was $102 million.

Amortization expense related to the operation and maintenance agreements and construction backlog was $24 million in 2019, and is included in Non-utility cost of revenues, including natural gas on CenterPoint Energy’s Statements of Consolidated Income. Amortization expense related to customer relationships and trade names was $16 million in 2019 and is included in Depreciation and amortization expense on CenterPoint Energy’s Statements of Consolidated Income.

The results of operations for Vectren included in CenterPoint Energy’s Consolidated Financial Statements from the Merger Date for the year ended December 31, 2019, reflecting results included in both continuing operations and discontinued operations, are as follows:

	(in millions)
Operating revenues	$	2,729
Net income	190

CenterPoint Energy incurred integration costs in connection with the Merger of $83 million for the year ended December 31, 2019, which were included in Operation and maintenance expenses in CenterPoint Energy’s Statements of Consolidated Income.

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Revenue Recognition

12 Months Ended

Dec. 31, 2021

Revenue from Contract with Customer [Abstract]

Revenue Recognition

Revenue Recognition

In accordance with ASC 606, revenue is recognized when a customer obtains control of promised goods or services. The amount of revenue recognized reflects the consideration to which the Registrants expect to be entitled to receive in exchange for these goods or services.

The following tables disaggregate revenues by reportable segment and major source and exclude operating revenues from the Energy Services and Infrastructure Services Disposal Groups, which are reflected as discontinued operations prior to the date of closing of each transaction. See Note 4 for further information.

CenterPoint Energy

	Year Ended December 31, 2021
	Electric		Natural Gas		Corporate and Other		Total
	(in millions)
Revenue from contracts	$	3,726	$	4,281	$	249	$	8,256
Other (1)	37		55		4		96
Total revenues	$	3,763	$	4,336	$	253	$	8,352

	Year Ended December 31, 2020
	Electric		Natural Gas		Corporate and Other		Total
	(in millions)
Revenue from contracts	$	3,451	$	3,586	$	313	$	7,350
Other (1)	19		45		4		68
Total revenues	$	3,470	$	3,631	$	317	$	7,418
	Year Ended December 31, 2019
	Electric (2)		Natural Gas (2)		Corporate and Other (2)		Total
	(in millions)
Revenue from contracts	$	3,507	$	3,714	$	290	$	7,511
Other (1)	12		36		5		53
Total revenues	$	3,519	$	3,750	$	295	$	7,564

(1)Primarily consists of income from ARPs and leases. ARPs are contracts between the utility and its regulators, not between the utility and a customer. The Registrants recognize ARP revenue as other revenues when the regulator-specified conditions for recognition have been met. Upon recovery of ARP revenue through incorporation in rates charged for utility service to customers, ARP revenue is reversed and recorded as revenue from contracts with customers. The recognition of ARP revenues and the reversal of ARP revenues upon recovery through rates charged for utility service may not occur in the same period. Total lease income was $7 million for the year ended December 31, 2021 and $6 million for each of the years ended December 31, 2020 and 2019.

(2)Reflects revenues from Vectren subsidiaries for the period from February 1, 2019 to December 31, 2019.

Houston Electric

	Year Ended December 31,
	2021		2020		2019
	(in millions)
Revenue from contracts	$	3,117	$	2,896	$	2,984
Other (1)	17		15		6
Total revenues	$	3,134	$	2,911	$	2,990

(1)Primarily consists of income from ARPs and leases. ARPs are contracts between the utility and its regulators, not between the utility and a customer. The Registrants recognize ARP revenue as other revenues when the regulator-specified conditions for recognition have been met. Upon recovery of ARP revenue through incorporation in rates charged for utility service to customers, ARP revenue is reversed and recorded as revenue from contracts with customers. The recognition of ARP revenues and the reversal of ARP revenues upon recovery through rates charged for utility service may not occur in the same period. Lease income was not significant for the years ended December 31, 2021, 2020, and 2019.

CERC

	Year Ended December 31,
	2021		2020		2019
	(in millions)
Revenue from contracts	$	3,210	$	2,714	$	2,979
Other (1)	38		49		39
Total revenues	$	3,248	$	2,763	$	3,018

(1)Primarily consists of income from ARPs and leases. ARPs are contracts between the utility and its regulators, not between the utility and a customer. The Registrants recognize ARP revenue as other revenues when the regulator-specified conditions for recognition have been met. Upon recovery of ARP revenue through incorporation in rates charged for utility service to customers, ARP revenue is reversed and recorded as revenue from contracts with

customers. The recognition of ARP revenues and the reversal of ARP revenues upon recovery through rates charged for utility service may not occur in the same period. Lease income was $3 million, $2 million and less than $1 million, respectively, for the years ended December 31, 2021, 2020 and 2019.

Revenues from Contracts with Customers

Electric (CenterPoint Energy and Houston Electric). Houston Electric distributes electricity to customers over time and customers consume the electricity when delivered. Indiana Electric generates, distributes and transmits electricity to customers over time, and customers consume the electricity when delivered. Revenue, consisting of both volumetric and fixed tariff rates set by state regulators, such as the PUCT and the IURC, is recognized as electricity is delivered and represents amounts both billed and unbilled. Discretionary services requested by customers are provided at a point in time with control transferring upon the completion of the service. Revenue for discretionary services provided by Houston Electric is recognized upon completion of service based on the tariff rates set by the PUCT. Payments for electricity distribution and discretionary services are aggregated and received on a monthly basis. Houston Electric performs transmission services over time as a stand-ready obligation to provide a reliable network of transmission systems. Revenue is recognized upon time elapsed, and the monthly tariff rate set by the regulator. Payments are received on a monthly basis. Indiana Electric customers are billed monthly and payment terms, set by the regulator, require payment within a month of billing.

Natural Gas (CenterPoint Energy and CERC). CenterPoint Energy and CERC distribute and transport natural gas to customers over time, and customers consume the natural gas when delivered. Revenue, consisting of both volumetric and fixed tariff rates set by the state governing agency for that service area, is recognized as natural gas is delivered and represents amounts both billed and unbilled. Discretionary services requested by the customer are satisfied at a point in time and revenue is recognized upon completion of service and the tariff rates set by the applicable state regulator. Payments of natural gas distribution, transportation and discretionary services are aggregated and received on a monthly basis.

Contract Balances. When the timing of delivery of service is different from the timing of the payments made by customers and when the right to consideration is conditioned on something other than the passage of time, the Registrants recognize either a contract asset (performance precedes billing) or a contract liability (customer payment precedes performance). Those customers that prepay are represented by contract liabilities until the performance obligations are satisfied. The Registrants’ contract assets are included in Accrued unbilled revenues in their Consolidated Balance Sheets. As of December 31, 2021, CenterPoint Energy’s contract assets primarily relate to Energy Systems Group contracts where revenue is recognized using the input method. The Registrants’ contract liabilities are included in Accounts payable and Other current liabilities in their Consolidated Balance Sheets. On an aggregate basis as of December 31, 2021, CenterPoint Energy’s contract liabilities primarily relate to Energy Systems Group contracts where revenue is recognized using the input method.

The opening and closing balances of accounts receivable, other accrued unbilled revenue, contract assets and contract liabilities from contracts with customers are as follows:

CenterPoint Energy

	Accounts Receivable		Other Accrued Unbilled Revenues		Contract Assets		Contract Liabilities
	(in millions)
Opening balance as of December 31, 2020	$	604	$	505	$	27	$	18
Closing balance as of December 31, 2021	627		513		15		16
Increase	$	23	$	8	$	(12)	$	(2)

The amount of revenue recognized in the year ended December 31, 2021 that was included in the opening contract liability was $17 million. The difference between the opening and closing balances of the contract liabilities primarily results from the timing difference between CenterPoint Energy’s performance and the customer’s payment.

Houston Electric

	Accounts Receivable		Other Accrued Unbilled Revenues		Contract Liabilities
	(in millions)
Opening balance as of December 31, 2020	$	225	$	113	$	3
Closing balance as of December 31, 2021	225		127		4
Increase (decrease)	$	—	$	14	$	1

The amount of revenue recognized in the year ended December 31, 2021 that was included in the opening contract liability was $3 million. The difference between the opening and closing balances of the contract liabilities primarily results from the timing difference between Houston Electric’s performance and the customer’s payment.

CERC

	Accounts Receivable		Other Accrued Unbilled Revenues
	(in millions)
Opening balance as of December 31, 2020	$	214	$	261
Closing balance as of December 31, 2021	223		247
Increase (decrease)	$	9	$	(14)

CERC does not have any opening or closing contract asset or contract liability balances.

Remaining Performance Obligations (CenterPoint Energy). The table below discloses (1) the aggregate amount of the transaction price allocated to performance obligations that are unsatisfied (or partially unsatisfied) as of the end of the reporting period for contracts and (2) when CenterPoint Energy expects to recognize this revenue. Such contracts include energy performance and sustainable infrastructure services contracts of Energy Systems Group, which are included in Corporate and Other.

	Rolling 12 Months		Thereafter		Total
	(in millions)
Revenue expected to be recognized on contracts in place as of December 31, 2021:
Corporate and Other	$	232	$	549	$	781
	$	232	$	549	$	781

Practical Expedients and Exemption. Sales taxes and other similar taxes collected from customers are excluded from the transaction price. For contracts for which revenue from the satisfaction of the performance obligations is recognized in the amount invoiced, the practical expedient was elected and revenue expected to be recognized on these contracts has not been disclosed.

Allowance for Credit Losses and Bad Debt Expense

CenterPoint Energy and CERC segregate financial assets that fall under the scope of Topic 326, primarily trade receivables due in one year or less, into portfolio segments based on shared risk characteristics, such as geographical location and regulatory environment, for evaluation of expected credit losses. Historical and current information, such as average write-offs, are applied to each portfolio segment to estimate the allowance for losses on uncollectible receivables. Additionally, the allowance for losses on uncollectible receivables is adjusted for reasonable and supportable forecasts of future economic conditions, which can include changing weather, commodity prices, regulations, and macroeconomic factors, among others. Houston Electric had no material changes in its methodology to recognize losses on financial assets that fall under the scope of Topic 326, primarily due to the nature of its customers and regulatory environment. For a discussion of regulatory deferrals related to COVID-19, see Note 7.

The table below summarizes the Registrants’ bad debt expense amounts for 2021, 2020 and 2019, net of regulatory deferrals, including those related to COVID-19:

	Year Ended December 31,
	2021						2020						2019
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Bad debt expense	$	12	$	—	$	11	$	24	$	—	$	18	$	18	$	—	$	14

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Goodwill and Other Intangibles (CenterPoint Energy and CERC)

12 Months Ended

Dec. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Other Intangibles (CenterPoint Energy and CERC)

Goodwill and Other Intangibles (CenterPoint Energy and CERC)

CenterPoint Energy’s goodwill by reportable segment as of December 31, 2020 and changes in the carrying amount of goodwill as of December 31, 2021 are as follows:

	December 31, 2020		Held for Sale			Disposals			December 31, 2021
	(in millions)
Electric (1)	$	936	$	—		$	—		$	936
Natural Gas	3,323		398		(2)	5		(3)	2,920
Corporate and Other	438		—			—			438
Total	$	4,697	$	398		$	5		$	4,294

CERC’s goodwill is as follows:

	December 31, 2020		Held for Sale			Disposals			December 31, 2021
	(in millions)
Goodwill	$	757	$	144	(2)	$	2	(3)	$	611

(1)Amount presented is net of the accumulated goodwill impairment charge of $185 million recorded in 2020.

(2)Represents goodwill attributable to the Natural Gas businesses. For further information, see Note 4.

(3)Represents goodwill attributable to the MES disposal. For further information, see Note 4.

When a disposal group reflects a component of a reporting unit and meets the definition of a business, the goodwill within that reporting unit is allocated to the disposal group based on the relative fair value of the components representing a business that will be retained and disposed. As a result, goodwill attributable to the Natural Gas businesses to be disposed is classified as held for sale as of December 31, 2021, and goodwill attributable to MES was reflected in the gain on sale during the year ended December 31, 2021.

CenterPoint Energy and CERC perform goodwill impairment tests at least annually and evaluate goodwill when events or changes in circumstances indicate that its carrying value may not be recoverable. The impairment evaluation for goodwill is performed by comparing the fair value of each reporting unit with the carrying amount of the reporting unit, including goodwill. The estimated fair value of a reporting unit is primarily determined based on an income approach or a weighted combination of income and market approaches. If the carrying amount of the reporting unit is in excess of the estimated fair value of the reporting unit, then the excess amount is the impairment charge that should be recorded, not to exceed the carrying amount of goodwill. See Note 2(g) for further discussion.

CenterPoint Energy and CERC performed the annual goodwill impairment tests in the third quarter of each of 2021 and 2020 and determined that no goodwill impairment charge was required for any reporting unit as a result of those tests.

In connection with their preparation of the financial statements for the three months ended March 31, 2020, CenterPoint Energy and CERC identified triggering events to perform interim goodwill impairment tests for each of their reporting units due to the macroeconomic conditions related in part to the COVID-19 pandemic and the resulting decrease in CenterPoint Energy’s enterprise market capitalization below book value from the decline in CenterPoint Energy’s Common Stock price.

CenterPoint Energy’s interim impairment test in the three months ended March 31, 2020 resulted in a non-cash goodwill impairment charge in the amount of $185 million for a reporting unit, Indiana Electric, within the Electric reportable segment.

The fair value analysis resulted in an implied fair value of goodwill of $936 million for this reporting unit as of March 31, 2020, and as a result, the non-cash impairment charge was recorded in the year ended December 31, 2020.

CenterPoint Energy estimated the fair value of the Indiana Electric reporting unit using primarily an income approach. Under the income approach, the fair value of the reporting unit is determined by using the present value of future expected cash flows, which include management’s projections of the amount and timing of future capital expenditures and the cash inflows from the related regulatory recovery. These estimated future cash flows are then discounted using a rate that approximates the weighted average cost of capital of a market participant. The selection of the discount rate requires significant judgment.

With the exception of Indiana Electric reporting unit discussed above, the fair value of each of CenterPoint Energy’s and CERC’s reporting units exceeded their carrying value, resulting in no goodwill impairment from the March 31, 2020 interim impairment test. See Note 4 for goodwill impairments included within discontinued operations.

The tables below present information on CenterPoint Energy’s other intangible assets recorded in Other in Other Assets on the Consolidated Balance Sheets and the related amortization expense included in Depreciation and amortization on CenterPoint Energy’s Statements of Consolidated Income, unless otherwise indicated in the tables below.

	December 31, 2021						December 31, 2020
	Gross Carrying Amount		Accumulated Amortization		Net Balance		Gross Carrying Amount		Accumulated Amortization		Net Balance
	(in millions)
Customer relationships	$	33	$	(12)	$	21	$	33	$	(8)	$	25
Trade names	16		(5)		11		16		(3)		13
Construction backlog (1)	—		—		—		5		(5)		—
Operation and maintenance       agreements (1)	12		(1)		11		12		(1)		11
Other	2		(1)		1		2		(1)		1
Total	$	63	$	(19)	$	44	$	68	$	(18)	$	50

(1)Amortization expense related to the operation and maintenance agreements and construction backlog is included in Non-utility cost of revenues, including natural gas on CenterPoint Energy’s Statements of Consolidated Income.

	Year Ended December 31,
	2021		2020		2019
	(in millions)
Amortization expense of intangible assets recorded in Depreciation and amortization (1) (2)	$	6	$	6	$	5
Amortization expense of intangible assets recorded in Non-utility cost of revenues, including natural gas (2)	1		2		4

(1)Includes $5 million for the year ended December 31, 2019 of amortization expense related to intangibles acquired in the Merger.

(2)Assets held for sale are not amortized. The table reflects amortization on continuing operations. For further information on discontinued operations, see Note 4.

CenterPoint Energy estimates that amortization expense of intangible assets with finite lives for the next five years will be as follows:

	Amortization Expense
	(in millions)
2022	$	6
2023	6
2024	5
2025	5
2026	5

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Regulatory Matters

12 Months Ended

Dec. 31, 2021

Regulated Operations [Abstract]

Regulatory Matters

Regulatory Matters

The following is a list of regulatory assets and liabilities, excluding amounts related to the Arkansas and Oklahoma Natural Gas businesses classified as held for sale, reflected on the Registrants’ respective Consolidated Balance Sheets as of December 31, 2021 and 2020. For information about regulatory assets and liabilities in held for sale, see Note 4.

	December 31, 2021
	CenterPoint Energy		Houston Electric		CERC
	(in millions)
Regulatory Assets:
Future amounts recoverable from ratepayers related to:
Benefit obligations (1)	$	412	$	—	$	5
Asset retirement obligations & other	240		45		192
Net deferred income taxes	41		29		2
Total future amounts recoverable from ratepayers	693		74		199
Amounts deferred for future recovery related to:
Extraordinary gas costs	1,528		—		1,454
Cost recovery riders	124		—		—
Hurricane and February 2021 Winter Storm Event restoration costs	105		105		—
Other regulatory assets	94		57		37
Gas recovery costs	29		—		29
Decoupling	25		—		25
COVID-19 incremental costs	23		8		15
Emergency generation costs	21		21		—
Unrecognized equity return	(28)		(3)		(4)
Total amounts deferred for future recovery	1,921		188		1,556
Amounts currently recovered in customer rates related to:
Authorized trackers and cost deferrals	504		24		11
Securitized regulatory assets	420		420		—
Unamortized loss on reacquired debt and hedging	92		67		—
Gas recovery costs	72		—		40
Extraordinary gas costs	66		—		66
Regulatory assets related to TCJA	48		46		2
Hurricane Harvey restoration costs	43		43		—
Benefit obligations	28		24		4
Unrecognized equity return (2)	(171)		(97)		(12)
Total amounts recovered in customer rates (3)	1,102		527		111
Total Regulatory Assets	$	3,716	$	789	$	1,866
Total Current Regulatory Assets (4)	$	1,395	$	—	$	1,289
Total Non-Current Regulatory Assets	$	2,321	$	789	$	577
Regulatory Liabilities:
Regulatory liabilities related to TCJA	$	1,389	$	738	$	400
Estimated removal costs	1,304		229		452
Other regulatory liabilities	481		205		128
Total Regulatory Liabilities	$	3,174	$	1,172	$	980
Total Current Regulatory Liabilities (5)	$	21	$	20	$	1
Total Non-Current Regulatory Liabilities	$	3,153	$	1,152	$	979

	December 31, 2020
	CenterPoint Energy		Houston Electric		CERC
	(in millions)
Regulatory Assets:
Future amounts recoverable from ratepayers related to:
Benefit obligations (1)	$	550	$	—	$	4
Asset retirement obligations & other	173		39		125
Net deferred income taxes	37		25		3
Total future amounts recoverable from ratepayers	760		64		132
Amounts deferred for future recovery related to:
Cost recovery riders	221		—		—
Other regulatory assets	90		38		52
Hurricane restoration costs	36		36		—
COVID-19 incremental costs	23		5		18
Gas recovery costs	9		—		9
Decoupling	2		—		2
Unrecognized equity return	(42)		—		(5)
Total amounts deferred for future recovery	339		79		76
Amounts currently recovered in customer rates related to:
Securitized regulatory assets	633		633		—
Authorized trackers and cost deferrals	332		30		20
Unamortized loss on reacquired debt and hedging	111		73		—
Hurricane Harvey restoration costs	55		55		—
Benefit obligations	37		31		6
Regulatory assets related to TCJA	25		20		5
Gas recovery costs	7		—		7
Unrecognized equity return (2)	(187)		(137)		(8)
Total amounts recovered in customer rates	1,013		705		30
Total Regulatory Assets	$	2,112	$	848	$	238
Total Current Regulatory Assets	$	18	$	—	$	18
Total Non-Current Regulatory Assets	$	2,094	$	848	$	220
Regulatory Liabilities:
Regulatory liabilities related to TCJA	$	1,484	$	764	$	421
Estimated removal costs	1,470		231		656
Other regulatory liabilities	566		300		178
Total Regulatory Liabilities	$	3,520	$	1,295	$	1,255
Total Current Regulatory Liabilities (5)	$	72	$	43	$	29
Total Non-Current Regulatory Liabilities	$	3,448	$	1,252	$	1,226

(1)Pension and postretirement-related regulatory assets balances are measured annually, and the ending amortization period may change based on the actuarial valuation.

(2)Represents the following: (a) CenterPoint Energy’s allowed equity return on post in-service carrying cost generally associated with investments in Indiana; (b) Houston Electric’s allowed equity return on its true-up balance of stranded costs, other changes and related interest resulting from the formerly integrated electric utilities prior to Texas deregulation to be recovered in rates through 2024 and certain storm restoration balances pending recovery in the next rate proceeding; and (c) CERC’s allowed equity return on post in-service carrying cost associated with certain distribution facilities replacements expenditures in Texas.

(3)Of the $1.1 billion, $527 million and $111 million currently being recovered in customer rates related to CenterPoint Energy, Houston Electric and CERC, respectively, $558 million, $459 million and $7 million is earning a return, respectively. The weighted average recovery period of regulatory assets currently being recovered in base rates, not earning a return, which totals $175 million, $67 million and $69 million for CenterPoint Energy, Houston Electric and CERC, respectively, is 11 years, 23 years and 2 years, respectively. Regulatory assets not earning a return with perpetual or undeterminable lives have been excluded from the weighted average recovery period calculation.

(4)Current regulatory assets for CenterPoint Energy and CERC include extraordinary gas costs of $1,256 million and $1,182 million, respectively.

(5)Current regulatory liabilities are included in Other current liabilities in each of the Registrants’ respective Consolidated Balance Sheets.

The table below reflects the amount of allowed equity return recognized by each Registrant in its Statements of Consolidated Income:

	Year Ended December 31,
	2021						2020						2019
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Allowed equity return recognized	$	40	$	37	$	1	$	31	$	31	$	—	$	45	$	45	$	—

February 2021 Winter Storm Event

In February 2021, certain of the Registrants’ jurisdictions experienced an extreme and unprecedented winter weather event that resulted in prolonged freezing temperatures, which impacted their businesses. In Texas, the February 2021 Winter Storm Event caused an electricity generation shortage that was severely disruptive to Houston Electric’s service territory and the wholesale generation market. While demand for electricity reached extraordinary levels due to the extreme cold, the supply of electricity significantly decreased in part because of the inability of certain power generation facilities to supply electric power to the grid. Houston Electric does not own or operate any electric generation facilities other than leasing facilities that provide temporary emergency electric energy to aid in restoring power to distribution customers during certain widespread power outages as allowed by a new law enacted after the February 2021 Winter Storm Event. Houston Electric transmits and distributes to customers of REPs electric power that the REPs obtain from power generation facilities owned by third parties. ERCOT serves as the independent system operator and regional reliability coordinator for member electric power systems in most of Texas. To comply with ERCOT’s orders, Houston Electric implemented controlled outages across its service territory, resulting in a substantial number of businesses and residents being without power, many for extended periods of time, in compliance with ERCOT’s directives as an emergency procedure to avoid prolonged large-scale state-wide blackouts and long-term damage to the electric system in Texas. In anticipation of this weather event, Houston Electric implemented its emergency operations plan’s processes and procedures necessary to respond to such events, including establishing an incident command center and calling for mutual assistance from other utilities where needed, among other measures. Throughout the February 2021 Winter Storm Event, Houston Electric remained in contact with its regulators and stakeholders, including federal, state and local officials, as well as the PUCT and ERCOT.

The February 2021 Winter Storm Event also impacted wholesale prices of CenterPoint Energy’s and CERC’s natural gas purchases and their ability to serve customers in their Natural Gas service territories, including due to the reduction in available natural gas capacity and impacts to CenterPoint Energy’s and CERC’s natural gas supply portfolio activities, and the effects of weather on their systems and their ability to transport natural gas, among other things. The overall natural gas market, including the markets from which CenterPoint Energy and CERC sourced a significant portion of their natural gas for their operations, experienced significant impacts caused by the February 2021 Winter Storm Event, resulting in extraordinary increases in the price of natural gas purchased by CenterPoint Energy and CERC.

On February 13, 2021, the Railroad Commission authorized each Texas natural gas distribution utility to record in a regulatory asset the extraordinary expenses associated with the February 2021 Winter Storm Event, including, but not limited to, natural gas cost and other costs related to the procurement and transportation of natural gas supply, subject to recovery in future regulatory proceedings. The Texas governor signed legislation in June 2021 that authorizes the Railroad Commission to use securitization financing and the issuance of customer rate relief bonds for recovery of extraordinary natural gas costs incurred by natural gas utilities as a result of the February 2021 Winter Storm Event. On November 12, 2021, the RRC issued a Regulatory Asset Determination Order which authorized CERC to include $1.1 billion in a regulatory asset which should be

included for recovery through customer rate relief bond financing. In addition, CenterPoint Energy’s and CERC’s Natural Gas utilities in jurisdictions outside of Texas deferred under-recovered natural gas cost as regulatory assets under existing recovery mechanisms and are seeking recovery of the increased cost of natural gas. As of December 31, 2021, CenterPoint Energy and CERC have recorded current regulatory assets of $1,410 million and $1,336 million, respectively, of which $154 million related to Arkansas and Oklahoma has been recast to held for sale at both CenterPoint Energy and CERC, and non-current regulatory assets of $583 million and $583 million respectively, of which $244 million related to Arkansas and Oklahoma has been recast to held for sale at both CenterPoint Energy and CERC, associated with the February 2021 Winter Storm Event. See Note 4 for further information.

Amounts for the under recovery of natural gas costs are reflected in regulatory assets included in Prepaid expenses and other current assets and Regulatory assets on CenterPoint Energy’s and CERC’s Condensed Consolidated Balance Sheets. Recovery of natural gas costs within the regulatory assets are probable and are subject to customary regulatory prudence reviews in all jurisdictions that may impact the amounts ultimately recovered. CenterPoint Energy and CERC, as applicable, have begun recovery of natural gas costs in Indiana, Louisiana, Mississippi and Minnesota. CenterPoint Energy and CERC have filed for securitization of natural gas costs in Texas, received commission approval and issuance of financing order in 2022, and expect the Texas Public Financing Authority to issue customer rate relief bonds in 2022. As part of the closing of the sale of CenterPoint Energy’s and CERC’s Natural Gas businesses in Arkansas and Oklahoma, CERC received as part of the purchase price $398 million for unrecovered natural gas costs of the February 2021 Winter Storm Event. In testimonies filed on December 22, 2021 and February 11, 2022, in CERC’s high gas cost prudency review case, the Minnesota Attorney General’s Office, Department of Commerce, and Citizens Utility Board have proposed significant disallowances for all natural gas utilities, resulting in a potential disallowances for CenterPoint Energy and CERC. Recommended disallowances for CERC include up to $45 million proposed by the Department of Commerce, $82 million proposed by the Citizens Utility Board, and $409 million (or in the alternative $57 million) proposed by the Attorney General’s Office. The natural gas costs in Minnesota were incurred in accordance with the plan on file with the MPUC and CenterPoint Energy believes the costs were prudently incurred and are eligible for recovery through an existing mechanism. The MPUC has ordered that the amortization period for extraordinary gas costs resulting from the February 2021 Winter Storm Event be increased from a 27-months to 63-months beginning on January 1, 2022, and that CERC forego recovery of the associated carrying costs. Additionally, due to the uncertainty of timing and method of recovery in some jurisdictions, CenterPoint Energy and CERC may not earn a return on amounts deferred in the regulatory assets associated with the February 2021 Winter Storm Event.

On February 21, 2021, in response to the 2021 February Winter Storm Event, the PUCT issued an order prohibiting REPs from sending a request to TDUs to disconnect such REPs’ customers for non-payment, effective February 21, 2021. As a result of this order, Houston Electric did not execute any requests for disconnection from any REPs until the PUCT issued orders for disconnects to resume. In June 2021, the PUCT issued an updated order relating to disconnections and REPs resumed the distribution of disconnection notices thereafter. As of December 31, 2021, as authorized by the PUCT, CenterPoint Energy and Houston Electric recorded a regulatory asset of $8 million for bad debt expenses resulting from REPs’ default on their obligation to pay delivery charges to Houston Electric net of collateral. Additionally, as of December 31, 2021, CenterPoint Energy and Houston Electric recorded a regulatory asset of $15 million to defer operations and maintenance costs associated with the February 2021 Winter Storm Event.

See Notes 14 and 16(e) for further information regarding debt financing transactions and litigation related to the February 2021 Winter Storm Event, respectively.

COVID-19 Regulatory Matters

Governors, public utility commissions and other authorities in the states in which the Registrants operate have issued a number of different orders related to the COVID-19 pandemic, including orders addressing customer non-payment and disconnection. Although the disconnect moratoriums have expired in the Registrants’ service territories, CenterPoint Energy continues to support those customers who may need payment assistance, arrangements or extensions.

On March 26, 2020, the PUCT issued two orders related to COVID-19 issues that affect Houston Electric. First, the PUCT issued an order related to accrual of regulatory assets granting authority for utilities to record as a regulatory asset expenses resulting from the effects of COVID-19. In the order, the PUCT noted that it will consider whether a utility’s request for recovery of the regulatory asset is reasonable and necessary in a future proceeding. Second, the PUCT issued an order related to the COVID-19 ERP, as modified, which, in light of the disaster declarations issued by the governor of Texas, authorized a customer assistance program for certain residential customers of electric service in areas of Texas open to customer choice, which includes Houston Electric’s service territory. 

The PUCT issued an order on August 27, 2020 to conclude the COVID-19 ERP. The PUCT determined that enrollment in the COVID-19 ERP would end on August 31, 2020 and benefits under the program ended on September 30, 2020. Final claims for reimbursement were required to be submitted to the transmission and distribution utilities by November 30, 2020. The transmission and distribution utilities must file a tariff rider cancellation seven days before the date on which it is estimated that revenues from the COVID-19 ERP are approximately equal to its program expenses. Final program reports were required to be submitted to the PUCT by January 15, 2021. The COVID-19 ERP allows for any over/under collection of program expenses to be recorded as a regulatory asset or liability. In December 2021, Houston Electric filed with the PUCT a proposal to reduce the TCRF revenue requirement by the final amount of COVID-19 ERP regulatory liability balance. On January 25, 2022, the PUCT issued approval of the TCRF update with rates effective March 1, 2022.

The COVID-19 ERP allows program expenses to be recovered in rates. CenterPoint Energy’s and Houston Electric’s COVID-19 ERP regulatory assets were $-0- million as of December 31, 2021 and $6 million as of December 31, 2020.

Commissions in all of Indiana Electric’s and CenterPoint Energy’s and CERC’s Natural Gas service territories have either (1) issued orders to record a regulatory asset for incremental bad debt expenses related to COVID-19, including costs associated with the suspension of disconnections and payment plans or (2) provided authority to recover bad debt expense through an existing tracking mechanism. CenterPoint Energy and CERC have recorded estimated incremental uncollectible receivables to the associated regulatory asset of $29 million and $27 million, respectively, as of December 31, 2021 and $22 million and $19 million, respectively, as of December 31, 2020.

In some of the states in which the Registrants operate, public utility commissions have authorized utilities to employ deferred accounting authority for certain COVID-19 related costs which ensure the safety and health of customers, employees, and contractors, that would not have been incurred in the normal course of business. CERC’s Natural Gas service territory in Minnesota will include any offsetting savings in the deferral. Other jurisdictions where the Registrants operate may require them to offset the deferral with savings as well. The Mississippi RRA, filed on April 30, 2021, included the unamortized balance of the regulatory asset as of December 31, 2020 in rate base per Docket No. 2018-AD-141 Order Authorizing Utility Response and Accounting for COVID-19. The Minnesota general rate case filing, filed on November 1, 2021, included a request to recover the COVID-19 regulatory asset balance as of June 30, 2021 over a two-year amortization period.

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Stock-Based Incentive Compensation Plans and Employee Benefit Plans

12 Months Ended

Dec. 31, 2021

Disclosure of Stock-Based Incentive Compensation Plans and Employee Benefit Plans [Abstract]

Stock-Based Incentive Compensation Plans and Employee Benefit Plans

Stock-Based Incentive Compensation Plans and Employee Benefit Plans

(a) Stock-Based Incentive Compensation Plans (CenterPoint Energy)

CenterPoint Energy has LTIPs that provide for the issuance of stock-based incentives, including stock options, performance awards, restricted stock unit awards and restricted and unrestricted stock awards to officers, employees and non-employee directors.  Approximately 14 million shares of Common Stock are authorized under these plans for awards. CenterPoint Energy issues new shares of its Common Stock to satisfy stock-based payments related to LTIPs. Equity awards are granted to employees without cost to the participants.

Compensation costs for the performance and stock unit awards granted under LTIPs are measured using fair value and expected achievement levels on the grant date. For performance awards with operational goals, the achievement levels are revised as goals are evaluated. The fair value of awards granted to employees is based on the closing stock price of CenterPoint Energy’s Common Stock on the grant date. The compensation expense is recorded on a straight-line basis over the vesting period.  Forfeitures are estimated on the date of grant based on historical averages and estimates are updated periodically throughout the vesting period. 

The performance awards granted in 2021, 2020 and 2019 are distributed based upon the achievement of certain objectives over a three-year performance cycle. The stock unit awards granted in 2020 and 2019 are service based, and the stock unit awards granted in 2021 are service based, subject to the achievement of a performance goal. The stock unit awards generally vest at the end of a three-year period, provided, however, that stock unit awards granted to non-employee directors vested immediately upon grant. Upon vesting, shares under the performance and stock unit awards are issued to the participants along with the value of dividend equivalents earned over the performance cycle or vesting period.

The following table summarizes CenterPoint Energy’s expenses related to LTIPs for 2021, 2020 and 2019:

	Year Ended December 31,
	2021		2020		2019
	(in millions)
LTIP compensation expense (1)	$	48	$	38	$	28
Income tax benefit recognized	11		9		7
Actual tax benefit realized for tax deductions	4		5		12

(1)Amounts presented in the table above are included in Operation and maintenance expense in CenterPoint Energy’s Statements of Consolidated Income and shown prior to any amounts capitalized.

The following tables summarize CenterPoint Energy’s LTIP activity for 2021:

	Year Ended December 31, 2021
	Shares (Thousands)	Weighted-Average Grant Date Fair Value		Remaining Average Contractual Life (Years)	Aggregate Intrinsic Value (2) (Millions)
Performance Awards (1)
Outstanding and nonvested as of December 31, 2020	3,900	$	26.58
Granted	2,095	21.89
Forfeited or canceled	(1,017)	26.44
Vested and released to participants	(315)	26.79
Outstanding and nonvested as of December 31, 2021	4,663	$	24.48	1.2	$	90
Stock Unit Awards
Outstanding and nonvested as of December 31, 2020	1,289	$	25.71
Granted	1,609	24.20
Forfeited or canceled	(91)	26.23
Vested and released to participants	(440)	25.26
Outstanding and nonvested as of December 31, 2021	2,367	$	24.75	1.4	$	66

 

(1)Reflects maximum performance achievement.

(2)Reflects the impact of current expectations of achievement and stock price.

The weighted average grant date fair values per unit of awards granted were as follows for 2021, 2020 and 2019:

	Year Ended December 31,
	2021		2020		2019
	(in millions, except for per unit amounts)
Performance Awards
Weighted-average grant date fair value per unit of awards granted	$	21.89	$	23.82	$	31.16
Total intrinsic value of awards received by participants	7		9		36
Vested grant date fair value	8		9		20
Stock Unit Awards
Weighted-average grant date fair value per unit of awards granted	$	24.20	$	21.53	$	31.07
Total intrinsic value of awards received by participants	11		12		15
Vested grant date fair value	11		12		9

As of December 31, 2021, there was $58 million of total unrecognized compensation cost related to nonvested performance and stock unit awards which is expected to be recognized over a weighted-average period of 1.7 years.

(b) Pension Benefits (CenterPoint Energy)

CenterPoint Energy maintains a non-contributory qualified defined benefit pension plan covering eligible employees, with benefits determined using a cash balance formula. In addition to the non-contributory qualified defined benefit pension plan, CenterPoint Energy maintains unfunded non-qualified benefit restoration plans which allow participants to receive the benefits to which they would have been entitled under CenterPoint Energy’s non-contributory qualified pension plan except for federally mandated limits on qualified plan benefits or on the level of compensation on which qualified plan benefits may be calculated.

As a result of the Merger, CenterPoint Energy now also maintains three additional qualified defined benefit pension plans, two of which are closed to new participants and one of which is completely frozen, and a non-qualified supplemental retirement plan. The defined benefit pension plans cover eligible full-time regular employees and retirees of Vectren and are primarily non-contributory.

CenterPoint Energy’s net periodic cost includes the following components relating to pension, including the non-qualified benefit plans:

	Year Ended December 31,
	2021		2020		2019
	(in millions)
Service cost (1)	$	39	$	43	$	40
Interest cost (2)	59		75		96
Expected return on plan assets (2)	(103)		(112)		(105)
Amortization of prior service cost (2)	—		—		9
Amortization of net loss (2)	36		41		52
Settlement cost (2) (3)	38		2		2
Curtailment gain (2) (4)	—		—		(1)
Net periodic cost	$	69	$	49	$	93

 

(1)Amounts presented in the table above are included in Operation and maintenance expense in CenterPoint Energy’s Statements of Consolidated Income, net of regulatory deferrals and amounts capitalized.

(2)Amounts presented in the table above are included in Other, net in CenterPoint Energy’s Statements of Consolidated Income, net of regulatory deferrals.

(3)A one-time, non-cash settlement cost is required when the total lump sum distributions or other settlements of plan benefit obligations during a plan year exceed the service cost and interest cost components of the net periodic cost for that year. In 2021, 2020 and 2019, CenterPoint Energy recognized non-cash settlement cost due to lump sum settlement payments.

(4)A curtailment gain or loss is required when the expected future services of a significant number of employees are reduced or eliminated for the accrual of benefits. In 2019, CenterPoint Energy recognized a pension curtailment gain related to employees who were terminated after the Merger Date.

CenterPoint Energy used the following assumptions to determine net periodic cost relating to pension benefits:

	Year Ended December 31,
	2021		2020		2019
Discount rate	2.45	%	3.20	%	4.35	%
Expected return on plan assets	5.00		5.75		6.00
Rate of increase in compensation levels	5.05		4.95		4.60

In determining net periodic benefit cost, CenterPoint Energy uses fair value, as of the beginning of the year, as its basis for determining expected return on plan assets.

The following table summarizes changes in the benefit obligation, plan assets, the amounts recognized in the Consolidated Balance Sheets as well as the key assumptions of CenterPoint Energy’s pension plans. The measurement dates for plan assets and obligations were December 31, 2021 and 2020.

	December 31,
	2021			2020
	(in millions, except for actuarial assumptions)
Change in Benefit Obligation
Benefit obligation, beginning of year	$	2,507		$	2,453
Service cost	38			43
Interest cost	59			75
Benefits paid	(285)			(207)
Actuarial (gain) loss (1)	(22)			143
Plan amendment	1			—
Benefit obligation, end of year	2,298			2,507
Change in Plan Assets
Fair value of plan assets, beginning of year	2,135			2,005
Employer contributions	61			86
Benefits paid	(285)			(207)
Actual investment return	161			251
Fair value of plan assets, end of year	2,072			2,135
Funded status, end of year	$	(226)		$	(372)
Amounts Recognized in Balance Sheets
Non-current assets	$	6		$	—
Current liabilities-other	(7)			(8)
Other liabilities-benefit obligations	(225)			(364)
Net liability, end of year	$	(226)		$	(372)
Actuarial Assumptions
Discount rate (2)	2.80		%	2.45		%
Expected return on plan assets (3)	5.00			5.00
Rate of increase in compensation levels	4.95			5.05
Interest crediting rate	2.25			2.25

(1)Significant sources of gain for 2021 include the increase in discount rate from 2.45% to 2.80%, and actual return on plan assets exceeding expected return on assets during 2021.

(2)The discount rate assumption was determined by matching the projected cash flows of CenterPoint Energy’s plans against a hypothetical yield curve of high-quality corporate bonds represented by a series of annualized individual discount rates from one-half to 99 years.

(3)The expected rate of return assumption was developed using the targeted asset allocation of CenterPoint Energy’s plans and the expected return for each asset class.

The following table displays pension benefits related to CenterPoint Energy’s pension plans that have accumulated benefit obligations in excess of plan assets:

	December 31,
	2021				2020
	Pension (Qualified)		Pension (Non-qualified)		Pension (Qualified)		Pension (Non-qualified)
	(in millions)
Accumulated benefit obligation	$	2,216	$	62	$	2,427	$	68
Projected benefit obligation	2,237		62		2,440		68
Fair value of plan assets	2,072		—		2,135		—

The accumulated benefit obligation for all defined benefit pension plans on CenterPoint Energy’s Consolidated Balance Sheets was $2,278 million and $2,495 million as of December 31, 2021 and 2020, respectively.

(c) Postretirement Benefits

CenterPoint Energy provides certain healthcare and life insurance benefits for eligible retired employees on both a contributory and non-contributory basis. The Registrants’ employees (other than employees of Vectren and its subsidiaries) who were hired before January 1, 2018 and who have met certain age and service requirements at retirement, as defined in the plans, are eligible to participate in these benefit plans, provided, however, that life insurance benefits are available only for eligible retired employees who retired before January 1, 2022. Employees hired on or after January 1, 2018 are not eligible for these benefits, except that such employees represented by IBEW Local Union 66 are eligible to participate in certain of the benefits, subject to the applicable age and service requirements. With respect to retiree medical and prescription drug benefits, and, effective January 1, 2021, dental and vision benefits, employees represented by the IBEW Local Union 66 who retire on or after January 1, 2017, and their dependents, receive any such benefits exclusively through the NECA/IBEW Family Medical Care Plan pursuant to the terms of the applicable collective bargaining agreement. Houston Electric and CERC are required to fund a portion of their obligations in accordance with rate orders. All other obligations are funded on a pay-as-you-go basis.

CenterPoint Energy, through Vectren, also maintains a postretirement benefit plan that provides health care and life insurance benefits, which are a combination of self-insured and fully insured programs, to eligible Vectren retirees on both a contributory and non-contributory basis.

Postretirement benefits are accrued over the active service period of employees. The net postretirement benefit cost includes the following components:

	Year Ended December 31,
	2021						2020						2019
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Service cost (1)	$	2	$	—	$	1	$	2	$	—	$	1	$	3	$	1	$	1
Interest cost (2)	9		4		3		11		5		3		15		7		5
Expected return on plan assets (2)	(4)		(3)		(1)		(5)		(4)		(1)		(5)		(4)		(1)
Amortization of prior service cost (credit) (2)	(4)		(5)		1		(4)		(5)		1		(5)		(6)		1
Net postretirement benefit cost (credit)	$	3	$	(4)	$	4	$	4	$	(4)	$	4	$	8	$	(2)	$	6

(1)Amounts presented in the table above are included in Operation and maintenance expense in each of the Registrants’ respective Statements of Consolidated Income, net of regulatory deferrals and amounts capitalized.

(2)Amounts presented in the table above are included in Other, net in each of the Registrants’ respective Statements of Consolidated Income, net of regulatory deferrals.

The following assumptions were used to determine net periodic cost relating to postretirement benefits:

	Year Ended December 31,
	2021						2020						2019
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
Discount rate	2.50	%	2.50	%	2.50	%	3.25	%	3.25	%	3.25	%	3.20	%	3.20	%	3.20	%
Expected return on plan assets	3.20		3.30		2.85		3.95		4.05		3.35		4.60		4.70		4.15

The following table summarizes changes in the benefit obligation, plan assets, the amounts recognized in consolidated balance sheets and the key assumptions of the postretirement plans. The measurement dates for plan assets and benefit obligations were December 31, 2021 and 2020.

	December 31,
	2021									2020
	CenterPoint Energy			Houston Electric			CERC			CenterPoint Energy			Houston Electric			CERC
	(in millions, except for actuarial assumptions)
Change in Benefit Obligation
Benefit obligation, beginning of year	$	366		$	168		$	105		$	356		$	162		$	102
Service cost	2			—			1			2			—			1
Interest cost	9			4			3			11			5			3
Participant contributions	7			2			2			6			2			2
Benefits paid	(21)			(9)			(6)			(22)			(10)			(6)
Early Retiree Reinsurance Program	20			—			11			—			—			—
Plan amendment	—			5			—			—			—			—
Actuarial (gain) loss (1)	(47)			(22)			(11)			13			9			3
Benefit obligation, end of year	336			148			105			366			168			105
Change in Plan Assets
Fair value of plan assets, beginning of year	134			106			28			128			101			27
Employer contributions	7			1			3			10			3			3
Participant contributions	7			2			2			6			2			2
Benefits paid	(21)			(9)			(6)			(22)			(10)			(6)
Actual investment return	5			4			1			12			10			2
Fair value of plan assets, end of year	132			104			28			134			106			28
Funded status, end of year	$	(204)		$	(44)		$	(77)		$	(232)		$	(62)		$	(77)
Amounts Recognized in Balance Sheets
Current liabilities — other	$	(7)		$	—		$	(3)		$	(9)		$	—		$	(3)
Other liabilities — benefit obligations	(197)			(44)			(73)			(223)			(62)			(74)
Net liability, end of year	$	(204)		$	(44)		$	(76)		$	(232)		$	(62)		$	(77)
Actuarial Assumptions
Discount rate (2)	2.85		%	2.85		%	2.85		%	2.50		%	2.50		%	2.50		%
Expected return on plan assets (3)	3.22			3.32			2.86			3.20			3.30			2.85
Medical cost trend rate assumed for the next year - Pre-65	6.00			6.00			6.00			5.25			5.25			5.25
Medical/prescription drug cost trend rate assumed for the next year - Post-65	18.71			18.71			18.71			19.70			19.70			19.70
Prescription drug cost trend rate assumed for the next year - Pre-65	8.00			8.00			8.00			7.50			7.50			7.50
Rate to which the cost trend rate is assumed to decline (the ultimate trend rate)	4.50			4.50			4.50			4.50			4.50			4.50
Year that the cost trend rates reach the ultimate trend rate - Pre-65	2029			2029			2029			2028			2028			2028
Year that the cost trend rates reach the ultimate trend rate - Post-65	2030			2030			2030			2029			2029			2029

(1)Significant sources of gain for 2021 include updated claims and demographic experience and the increase in discount rate from 2.50% to 2.85%.

(2)The discount rate assumption was determined by matching the projected cash flows of the plans against a hypothetical yield curve of high-quality corporate bonds represented by a series of annualized individual discount rates from one-half to 99 years.

(3)The expected rate of return assumption was developed using the targeted asset allocation of the plans and the expected return for each asset class.

(d) Accumulated Other Comprehensive Income (Loss) (CenterPoint Energy and CERC)

CenterPoint Energy recognizes the funded status of its pension and other postretirement plans on its Consolidated Balance Sheets. To the extent this obligation exceeds amounts previously recognized in the Statements of Consolidated Income, CenterPoint Energy records a regulatory asset for that portion related to its rate regulated utilities. To the extent that excess liability does not relate to a rate regulated utility, the offset is recorded as a reduction to equity in accumulated other comprehensive income.

Amounts recognized in accumulated other comprehensive loss (gain) consist of the following:

	December 31,
	2021						2020
	Pension Benefits		Postretirement Benefits				Pension Benefits		Postretirement Benefits
	CenterPoint Energy		CenterPoint Energy		CERC		CenterPoint Energy		CenterPoint Energy		CERC
	(in millions)
Unrecognized actuarial loss (gain)	$	99	$	(23)	$	(18)	$	109	$	(14)	$	(12)
Unrecognized prior service cost	—		13		12		—		7		7
Net amount recognized in accumulated other comprehensive loss (gain)	$	99	$	(10)	$	(6)	$	109	$	(7)	$	(5)

The changes in plan assets and benefit obligations recognized in other comprehensive income during 2021 are as follows:

	Pension Benefits		Postretirement Benefits
	CenterPoint Energy		CenterPoint Energy		CERC
	(in millions)
Net loss (gain)	$	1	$	(2)	$	—
Amortization of net loss	(7)		—		—
Amortization of prior service cost	—		(1)		(1)
Settlement	(4)		—		—
Total recognized in comprehensive income	$	(10)	$	(3)	$	(1)
Total recognized in net periodic costs and Other comprehensive income	$	59	$	—	$	3

(e) Pension Plan Assets (CenterPoint Energy)

In managing the investments associated with the benefit plans, CenterPoint Energy’s objective is to achieve and maintain a fully funded plan. This objective is expected to be achieved through an investment strategy that manages liquidity requirements while maintaining a long-term horizon in making investment decisions and efficient and effective management of plan assets.

As part of the investment strategy discussed above, CenterPoint Energy maintained the following weighted average allocation targets for its pension plans as of December 31, 2021:

	Minimum		Maximum
U.S. equity	17	%	27	%
International equity	9	%	19	%
Real estate	2	%	8	%
Fixed income	54	%	64	%
Cash	—	%	2	%

The following tables set forth by level, within the fair value hierarchy (see Note 10), CenterPoint Energy’s pension plan assets at fair value as of December 31, 2021 and 2020:

	Fair Value Measurements as of December 31,
	2021								2020
	(Level 1)		(Level 2)		(Level 3)		Total		(Level 1)		(Level 2)		(Level 3)		Total
	(in millions)
Cash	$	26	$	—	$	—	$	26	$	29	$	—	$	—	$	29
Corporate bonds:
Investment grade or above	—		833		—		833		—		767		—		767
Equity securities:
U.S. companies	89		—		—		89		76		—		—		76
Cash received as collateral from securities lending	80		—		—		80		81		—		—		81
U.S. treasuries and government agencies	285		—		—		285		225		—		—		225
Mortgage backed securities	—		7		—		7		—		5		—		5
Asset backed securities	—		3		—		3		—		3		—		3
Municipal bonds	—		40		—		40		—		43		—		43
Mutual funds (2)	—		—		—		—		301		—		—		301
International government bonds	—		20		—		20		—		18		—		18
Obligation to return cash received as collateral from securities lending	(80)		—		—		(80)		(81)		—		—		(81)
Total investments at fair value	$	400	$	903	$	—	$	1,303	$	631	$	836	$	—	$	1,467
Investments measured by net asset value per share or its equivalent (1) (2)							769								668
Total Investments							$	2,072							$	2,135

(1)Represents investments in common collective trust funds.

(2)The amounts invested in mutual funds and common collective trust funds were allocated as follows:

	As of December 31,
	2021		2020
	Common Collective Trust Funds		Mutual Funds		Common Collective Trust Funds
International equities	41	%	14	%	37	%
U.S. equities	58	%	55	%	3	%
Real estate	—	%	5	%	1	%
Fixed income	1	%	27	%	59	%

Level 2 investments, which do not have a quoted price in active market, are valued using the market data provided by independent pricing services or major market makers, to arrive at a price a dealer would pay for the security.

The pension plans utilized both exchange traded and over-the-counter financial instruments such as futures, interest rate options and swaps that were marked to market daily with the gains/losses settled in the cash accounts. The pension plans did not include any holdings of CenterPoint Energy Common Stock as of December 31, 2021 or 2020.

(f) Postretirement Plan Assets

In managing the investments associated with the postretirement plans, the Registrants’ primary objective is to preserve and improve the funded status of the plan, while minimizing volatility. This objective is expected to be achieved through an investment strategy that manages liquidity requirements while maintaining a long-term horizon in making investment decisions and efficient and effective management of plan assets.

As part of the investment strategy discussed above, the Registrants maintained the following weighted average allocation targets for the postretirement plans as of December 31, 2021:

	CenterPoint Energy				Houston Electric				CERC
	Minimum		Maximum		Minimum		Maximum		Minimum		Maximum
U.S. equities	13	%	23	%	13	%	23	%	15	%	25	%
International equities	3	%	13	%	3	%	13	%	2	%	12	%
Fixed income	69	%	79	%	69	%	79	%	68	%	78	%
Cash	—	%	2	%	—	%	2	%	—	%	2	%

The following table presents mutual funds by level, within the fair value hierarchy, the Registrants’ postretirement plan assets at fair value as of December 31, 2021 and 2020:

	Fair Value Measurements as of December 31,
	2021								2020
	Mutual Funds
	(Level 1)		(Level 2)		(Level 3)		Total		(Level 1)		(Level 2)		(Level 3)		Total
	(in millions)
CenterPoint Energy	$	133	$	—	$	—	$	133	$	134	$	—	$	—	$	134
Houston Electric	105		—		—		105		106		—		—		106
CERC	28		—		—		28		28		—		—		28

The amounts invested in mutual funds were allocated as follows:

	As of December 31,
	2021						2020
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
Fixed income	72	%	73	%	71	%	74	%	74	%	72	%
U.S. equities	20	%	19	%	22	%	19	%	18	%	21	%
International equities	8	%	8	%	7	%	7	%	8	%	7	%

(g) Benefit Plan Contributions

The Registrants made the following contributions in 2021 and expect to make the following minimum contributions in 2022 to the indicated benefit plans below:

	Contributions in 2021						Expected Minimum Contributions in 2022
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Qualified pension plans	$	53	$	—	$	—	$	—	$	—	$	—
Non-qualified pension plans	8		—		—		7		—		—
Postretirement benefit plans	7		1		3		8		1		3

The following benefit payments are expected to be paid by the pension and postretirement benefit plans:

	Pension Benefits		Postretirement Benefits
	CenterPoint Energy		CenterPoint Energy		Houston Electric		CERC
	(in millions)
2022	$	166	$	16	$	7	$	4
2023	168		17		8		5
2024	167		18		9		5
2025	167		19		9		5
2026	163		20		9		6
2027-2031	730		103		48		30

(h) Savings Plan

CenterPoint Energy maintains the CenterPoint Energy Savings Plan, a tax-qualified employee savings plan that includes a cash or deferred arrangement under Section 401(k) of the Code, and an employee stock ownership plan under Section 4975(e)(7) of the Code. Under the plan, participating employees may make pre-tax or Roth contributions and, if eligible, after-tax contributions up to certain federally mandated limits. Participating Registrants provide matching contributions and, as of January 1, 2020, for certain eligible employees, nonelective contributions up to certain limits. CenterPoint Energy, through the Merger, also acquired additional defined contribution retirement savings plans sponsored by Vectren and its subsidiaries that are qualified under sections 401(a) and 401(k) of the Code, one of which merged into the CenterPoint Energy Savings Plan as of January 1, 2020 and one of which merged into the CenterPoint Energy Savings Plan as of January 1, 2022. As of January 1, 2022, the CenterPoint Energy Savings Plan is the only remaining qualified defined contribution retirement savings plan maintained by CenterPoint Energy.

The CenterPoint Energy Savings Plan has significant holdings of Common Stock. As of December 31, 2021, 8,688,841 shares of Common Stock were held by the savings plan, which represented approximately 8% of its investments. Given the concentration of the investments in Common Stock, the savings plan and its participants have market risk related to this investment. The savings plan limits the percentage of future contributions that can be invested in Common Stock to 25% and prohibits transfers of account balances where the transfer would result in more than 25% of a participant’s total account balance invested in Common Stock.

CenterPoint Energy allocates the savings plan benefit expense to Houston Electric and CERC related to their respective employees. The following table summarizes the Registrants’ savings plan benefit expense for 2021, 2020 and 2019:

	Year Ended December 31,
	2021						2020						2019
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Savings plan benefit  expenses (1)	$	58	$	20	$	18	$	58	$	18	$	19	$	58	$	18	$	18

(1)Amounts presented in the table above are included in Operation and maintenance expense in the Registrants’ respective Statements of Consolidated Income and shown prior to any amounts capitalized.

(i) Other Benefits Plans

The Registrants participate in CenterPoint Energy’s plans that provide postemployment benefits for certain former or inactive employees, their beneficiaries and covered dependents, after employment but before retirement (primarily healthcare and life insurance benefits for participants in the long-term disability plan).

CenterPoint Energy maintains non-qualified deferred compensation plans, including plans acquired in the Merger, that provide benefits payable to eligible directors, officers and select employees or their designated beneficiaries at specified future dates or upon termination, retirement or death. Benefit payments are made from the general assets of the participating Registrants or, in the case of certain plans acquired in the Merger, from a rabbi trust that is a grantor trust and remains subject to the claims of general creditors under applicable state and federal law.

Expenses related to other benefit plans were recorded as follows:

	Year Ended December 31,
	2021						2020						2019
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Postemployment benefits	$	3	$	1	$	2	$	1	$	1	$	—	$	2	$	1	$	1
Deferred compensation plans	3		—		—		4		1		—		4		1		—

Amounts related to other benefit plans were included in Benefit Obligations in the Registrants’ accompanying Consolidated Balance Sheets as follows:

	December 31, 2021						December 31, 2020
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Postemployment benefits	$	8	$	3	$	5	$	8	$	3	$	5
Deferred compensation plans	40		6		3		43		7		2
Split-dollar life insurance arrangements	29		1		—		32		1		—

(j) Change in Control Agreements and Other Employee Matters

CenterPoint Energy has a change in control plan, which was amended and restated on May 1, 2017. The plan generally provides, to the extent applicable, in the case of a change in control of CenterPoint Energy and covered termination of employment, for severance benefits of up to three times annual base salary plus bonus, and other benefits. Certain CenterPoint Energy officers are participants under the plan.

Certain key employees of a subsidiary of Vectren have employment agreements that provide payments and other benefits upon a covered termination of employment.

As of December 31, 2021, the Registrants’ employees were covered by collective bargaining agreements as follows:

		Percentage of Employees Covered
	Agreement Expiration	CenterPoint Energy		Houston Electric		CERC
IBEW Local 66	May 2023	15	%	54	%	—	%
OPEIU Local 12	December 2025	2	%	—	%	3	%
Gas Workers Union Local 340	April 2025	5	%	—	%	12	%
IBEW Locals 1393 and USW Locals 12213 & 7441	December 2023	3	%	—	%	—	%
IBEW Locals 949	December 2025	3	%	—	%	7	%
USW Locals 13-227	June 2022	5	%	—	%	14	%
USW Locals 13-1	July 2022	—	%	—	%	1	%
IBEW Local 702	June 2022	3	%	—	%	—	%
Teamsters Local 135	October 2024	—	%	—	%	—	%
UWUA Local 175	October 2024	1	%	—	%	—	%
Total		37	%	54	%	37	%

Negotiations are currently in progress for the collective bargaining agreements scheduled to expire in 2022 and are expected to be completed before the respective expirations.

Board of Directors Actions. On July 22, 2021, CenterPoint Energy announced the decision of the independent directors of the Board to implement a new independent Board leadership and governance structure and appointed a new independent chair of the Board. To implement this new governance structure, the independent directors of the Board eliminated the Executive Chairman position that was formerly held by Milton Carroll.

On the approval and recommendation of the Compensation Committee and approval of the Board (acting solely through its independent directors), CenterPoint Energy entered into a separation agreement between CenterPoint Energy and Mr. Carroll, dated July 21, 2021. Under the terms of the separation agreement, Mr. Carroll exited the positions of Executive Chairman on July 21, 2021 and Board member on September 30, 2021. Under the terms of the separation agreement, Mr. Carroll received a lump sum cash payment of $28 million and his separation was treated as an “enhanced retirement” for purposes of his outstanding 2019, 2020 and 2021 equity award agreements.

On the approval and recommendation of the Compensation Committee and approval of the Board (acting solely through its independent directors), CenterPoint Energy has entered into a retention incentive agreement with David J. Lesar, President and Chief Executive Officer of CenterPoint Energy, dated July 20, 2021. For information about the classification of this award, see Note 13.

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Derivative Instruments

12 Months Ended

Dec. 31, 2021

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative Instruments

Derivative Instruments

The Registrants are exposed to various market risks. These risks arise from transactions entered into in the normal course of business. The Registrants utilize derivative instruments such as physical forward contracts, swaps and options to mitigate the impact of changes in commodity prices, weather and interest rates on operating results and cash flows.

(a) Non-Trading Activities

Commodity Derivative Instruments (CenterPoint Energy). CenterPoint Energy, through its Indiana utilities, enter into certain derivative instruments to mitigate the effects of commodity price movements. Outstanding derivative instruments designated as economic hedges at the Indiana Utilities hedge long-term variable rate natural gas purchases. The Indiana utilities have authority to refund and recover mark-to-market gains and losses associated with hedging natural gas purchases, and thus the gains and losses on derivatives are deferred in a regulatory liability or asset. All other financial instruments do not qualify or are not designated as cash flow or fair value hedges.

On February 24, 2020, CenterPoint Energy, through its subsidiary CERC Corp., entered into the Equity Purchase Agreement to sell the Energy Services Disposal Group. The transaction closed on June 1, 2020. As a result, the following disclosures do not include the Energy Services Disposal Group. See Note 4 for further information.

Interest Rate Risk Derivative Instruments. From time to time, the Registrants may enter into interest rate derivatives that are designated as economic or cash flow hedges. The objective of these hedges is to offset risk associated with interest rates borne by the Registrants in connection with an anticipated future fixed rate debt offering or other exposure to variable rate debt. The Indiana Utilities have authority to refund and recover mark-to-market gains and losses associated with hedging financing activity, and thus the gains and losses on derivatives are deferred in a regulatory liability or asset. For the impacts of cash flow hedges to Accumulated other comprehensive income, see Note 13.

The table below summarizes the Registrants’ outstanding interest rate hedging activity:

	December 31, 2021		December 31, 2020
Hedging Classification	Notional Principal
	(in millions)
Economic hedge (1)	$	84	$	84

(1)Relates to interest rate derivative instruments at SIGECO.

Weather Hedges (CenterPoint Energy and CERC). As of December 31, 2021, CenterPoint Energy and CERC had weather normalization or other rate mechanisms that largely mitigate the impact of weather on Natural Gas in Arkansas, Indiana, Louisiana, Mississippi, Minnesota, Ohio and Oklahoma, as applicable. CenterPoint Energy’s and CERC’s Natural Gas in Texas and CenterPoint Energy’s electric operations in Texas and Indiana do not have such mechanisms, although fixed customer charges are historically higher in Texas for Natural Gas compared to its other jurisdictions. As a result, fluctuations from normal weather may have a positive or negative effect on CenterPoint Energy’s and CERC’s Natural Gas’ results in Texas and on CenterPoint Energy’s electric operations’ results in its Texas and Indiana service territories.

CenterPoint Energy and CERC, as applicable, may enter into winter season weather hedges from time to time for certain Natural Gas jurisdictions and electric operations’ service territory to mitigate the effect of fluctuations from normal weather on results of operations and cash flows. These weather hedges are based on heating degree days at 10-year normal weather.

Houston Electric and Indiana Electric do not enter into weather hedges. CenterPoint Energy and CERC did not enter into any weather hedges during the year ended December 31, 2021.

(b) Derivative Fair Values and Income Statement Impacts (CenterPoint Energy)

The following tables present information about derivative instruments and hedging activities. The first table provides a balance sheet overview of Derivative Assets and Liabilities as of December 31, 2021 and 2020, while the last table provides a breakdown of the related income statement impacts for the years ending December 31, 2021, 2020 and 2019.

Fair Value of Derivative Instruments and Hedged Items (CenterPoint Energy)

		December 31, 2021				December 31, 2020
	Balance Sheet Location	Derivative Assets Fair Value		Derivative Liabilities Fair Value		Derivative Assets Fair Value		Derivative Liabilities Fair Value
		(in millions)
Derivatives not designated as hedging instruments:
Natural gas derivatives (1)	Current Assets: Non-trading derivative assets	$	9	$	—	$	—	$	—
Natural gas derivatives (1)	Other Assets: Non-trading derivative assets	5		—		—		—
Natural gas derivatives (1)	Current Liabilities: Non-trading derivative liabilities	—		—		—		3
Interest rate derivatives	Current Liabilities: Non-trading derivative liabilities	—		2		—		—
Natural gas derivatives (1)	Other Liabilities: Non-trading derivative liabilities	—		—		—		7
Interest rate derivatives	Other Liabilities: Non-trading derivative liabilities	—		12		—		20
Indexed debt securities derivative (2)	Current Liabilities	—		903		—		953
	Total	$	14	$	917	$	—	$	983

(1)Natural gas contracts are subject to master netting arrangements. This netting applies to all undisputed amounts due or past due. However, the mark-to-market fair value of each natural gas contract is in a liability position with no offsetting amount

(2)Derivative component of the ZENS obligation that represents the ZENS holder’s option to receive the appreciated value of the reference shares at maturity. See Note 12 for further information.

Income Statement Impact of Hedge Accounting Activity (CenterPoint Energy)

		Year Ended December 31,
	Income Statement Location	2021		2020		2019
		(in millions)
Effects of derivatives not designated as hedging instruments on the income statement:
Indexed debt securities derivative	Gain (loss) on indexed debt securities	$	50	$	(60)	$	(292)
Total CenterPoint Energy		$	50	$	(60)	$	(292)

(c) Credit Risk Contingent Features (CenterPoint Energy)

Certain of CenterPoint Energy’s derivative instruments contain provisions that require CenterPoint Energy’s debt to maintain an investment grade credit rating on its long-term unsecured unsubordinated debt from S&P and Moody’s. If CenterPoint Energy’s debt were to fall below investment grade, it would be in violation of these provisions, and the counterparties to the derivative instruments could request immediate payment.

	As of December 31,
	2021		2020
	(in millions)
Aggregate fair value of derivatives with credit-risk-related contingent features in a liability position	$	14	$	20
Fair value of collateral already posted	7		7
Additional collateral required to be posted if credit risk contingent features triggered (1)	7		3

(1)The maximum collateral required if further escalating collateral is triggered would equal the net liability position.

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Fair Value Measurements

12 Months Ended

Dec. 31, 2021

Fair Value Disclosures [Abstract]

Fair Value Measurements

Fair Value Measurements

Assets and liabilities that are recorded at fair value in the Registrants’ Consolidated Balance Sheets are categorized based upon the level of judgment associated with the inputs used to measure their value. Hierarchical levels, as defined below and directly related to the amount of subjectivity associated with the inputs to fair valuations of these assets and liabilities, are as follows:

Level 1: Inputs are unadjusted quoted prices in active markets for identical assets or liabilities at the measurement date. The types of assets carried at Level 1 fair value generally are exchange-traded derivatives and equity securities, as well as natural gas inventory that has been designated as the hedged item in a fair value hedge.

Level 2: Inputs, other than quoted prices included in Level 1, are observable for the asset or liability, either directly or indirectly. Level 2 inputs include quoted prices for similar instruments in active markets, and inputs other than quoted prices that are observable for the asset or liability. Fair value assets and liabilities that are generally included in this category are derivatives with fair values based on inputs from actively quoted markets. A market approach is utilized to value the Registrants’ Level 2 natural gas derivative assets or liabilities. CenterPoint Energy’s Level 2 indexed debt securities derivative is valued using an option model and a discounted cash flow model, which uses projected dividends on the ZENS-Related Securities and a discount rate as observable inputs.

Level 3: Inputs are unobservable for the asset or liability, and include situations where there is little, if any, market activity for the asset or liability. Unobservable inputs reflect the Registrants’ judgments about the assumptions market participants would use in pricing the asset or liability since limited market data exists. The Registrants develop these inputs based on the best information available, including the Registrants’ own data.

The Registrants determine the appropriate level for each financial asset and liability on a quarterly basis and recognize transfers between levels at the end of the reporting period.  

On February 24, 2020, CenterPoint Energy, through its subsidiary CERC Corp., entered into the Equity Purchase Agreement to sell the Energy Services Disposal Group. The transaction closed on June 1, 2020. As a result, the following disclosures do not include the Energy Services Disposal Group. See Note 4 for further information.

The following tables present information about the Registrants’ assets and liabilities (including derivatives that are presented net) measured at fair value on a recurring basis as of December 31, 2021 and December 31, 2020, and indicate the fair value hierarchy of the valuation techniques utilized by the Registrants to determine such fair value.

CenterPoint Energy

	December 31, 2021								December 31, 2020
	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Assets	(in millions)
Equity securities	$	1,439	$	—	$	—	$	1,439	$	873	$	—	$	—	$	873
Investments, including money market funds (1)	42		—		—		42		43		—		—		43
Natural gas derivatives	—		14		—		14		—		—		—		—
Total assets	$	1,481	$	14	$	—	$	1,495	$	916	$	—	$	—	$	916
Liabilities
Indexed debt securities derivative	$	—	$	903	$	—	$	903	$	—	$	953	$	—	$	953
Interest rate derivatives	—		14		—		14		—		20		—		20
Natural gas derivatives	—		—		—		—		—		10		—		10
Total liabilities	$	—	$	917	$	—	$	917	$	—	$	983	$	—	$	983

Houston Electric

	December 31, 2021								December 31, 2020
	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Assets	(in millions)
Investments, including money market funds (1)	$	27	$	—	$	—	$	27	$	26	$	—	$	—	$	26
Total assets	$	27	$	—	$	—	$	27	$	26	$	—	$	—	$	26

CERC

	December 31, 2021								December 31, 2020
	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Assets	(in millions)
Investments, including money market funds (1)	$	14	$	—	$	—	$	14	$	13	$	—	$	—	$	13
Total assets	$	14	$	—	$	—	$	14	$	13	$	—	$	—	$	13

(1)Amounts are included in Prepaid and Other Current Assets in the respective Consolidated Balance Sheets.

During 2021 and 2020, CenterPoint Energy did not have any assets or liabilities designated as Level 3.

Items Measured at Fair Value on a Nonrecurring Basis

As a result of classifying the Arkansas and Oklahoma Natural Gas businesses as held for sale, including the allocation of goodwill, CenterPoint Energy and CERC used a market approach consisting of the contractual sales price adjusted for estimated working capital and other contractual purchase price adjustments to determine fair value of the businesses classified as held for sale, which are Level 2 inputs. Neither CenterPoint Energy nor CERC recognized any gains or losses upon classification of held for sale during 2021. See Note 4 for further information.

Based on the severity of the decline in the price of Enable Common Units during the three months ended March 31, 2020 primarily due to the macroeconomic conditions related in part to the COVID-19 pandemic, combined with Enable’s announcement on April 1, 2020 to reduce its quarterly distributions per Enable Common Unit by 50%, and the market outlook indicating excess supply and continued depressed crude oil and natural gas prices impacting the midstream oil and gas industry, CenterPoint Energy determined, in connection with its preparation of the financial statements, that an other than temporary decrease in the value of its investment in Enable had occurred. The impairment analysis compared the estimated fair value of CenterPoint Energy’s investment in Enable to its carrying value. The fair value of the investment was determined using multiple valuation methodologies under both the market and income approaches. Both of these approaches incorporate significant estimates and assumptions, including:

Market Approach

• quoted price of Enable Common Units;

• recent market transactions of comparable companies; and

• EBITDA to total enterprise multiples for comparable companies.

Income Approach

• Enable’s forecasted cash distributions;

• projected cash flows of incentive distribution rights;

• forecasted growth rate of Enable’s cash distributions; and

• determination of the cost of equity, including market risk premiums.

Weighting of the Different Approaches

Significant unobservable inputs used include the growth rate applied to the projected cash distributions beyond 2020 and the discount rate used to determine the present value of the estimated future cash flows. Based on the significant unobservable estimates and assumptions required, CenterPoint Energy concluded that the fair value estimate should be classified as a Level 3

measurement within the fair value hierarchy. As a result of this analysis, CenterPoint Energy recorded an other than temporary impairment on its investment in Enable of $1,541 million during the year ended December 31, 2020, reducing the carrying value of the investment to its estimated fair value of $848 million as of March 31, 2020. See Note 11 for further discussion of the impairment.

During the year ended December 31, 2020, CenterPoint Energy recorded a goodwill impairment charge of $185 million in the Indiana Electric Integrated reporting unit, reducing the carrying value of the reporting unit to its fair value as of March 31, 2020. See Note 6 for further information.

As a result of classifying the Infrastructure Services and Energy Services Disposal Groups as held for sale, CenterPoint Energy and CERC recognized a goodwill impairment and loss on held for sale during the year ended December 31, 2020. CenterPoint Energy and CERC, as applicable, used the contractual sales price adjusted for estimated working capital and other contractual purchase price adjustments to determine fair value, which are Level 2 inputs. Using this market approach, the fair value of the Infrastructure Services Disposal Group as of March 31, 2020 was determined to be approximately $864 million and the fair value of the Energy Services Disposal Group as of March 31, 2020 was determined to be approximately $402 million. The same methodology was applied to estimate the fair value of the Infrastructure Services Disposal Group and Energy Services Disposal Group on the closing date and through the settlement of the net working capital adjustment, resulting in additional gains or losses upon sale during 2020 . See Note 4 for further information.

Estimated Fair Value of Financial Instruments

The fair values of cash and cash equivalents, investments in debt and equity securities classified as “trading” and short-term borrowings are estimated to be approximately equivalent to carrying amounts and have been excluded from the table below. The carrying amounts of non-trading derivative assets and liabilities and CenterPoint Energy’s equity securities, including ZENS related derivative liabilities, are stated at fair value and are excluded from the table below. The fair value of each debt instrument is determined by multiplying the principal amount of each debt instrument by a combination of historical trading prices and comparable issue data. These liabilities, which are not measured at fair value in the Registrants’ Consolidated Balance Sheets, but for which the fair value is disclosed, would be classified as Level 2 in the fair value hierarchy.

	December 31, 2021						December 31, 2020
	CenterPoint Energy (1)		Houston Electric (1)		CERC		CenterPoint Energy (1)		Houston Electric (1)		CERC
Long-term debt, including current maturities	(in millions)
Carrying amount	$	16,086	$	5,495	$	4,380	$	13,401	$	5,019	$	2,428
Fair value	17,385		6,230		4,682		15,226		5,957		2,855

(1)Includes Securitization Bond debt.

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Unconsolidated Affiliate (CenterPoint Energy and CERC)

12 Months Ended

Dec. 31, 2021

Equity Method Investments and Joint Ventures [Abstract]

Unconsolidated Affiliate (CenterPoint Energy and CERC)

Unconsolidated Affiliates (CenterPoint Energy and CERC)

Through its investment in Enable, CenterPoint Energy had the ability to significantly influence the operating and financial policies of Enable, a publicly traded MLP, and, accordingly, accounted for its investment in Enable’s common units using the equity method of accounting. Enable was considered to be a VIE because the power to direct the activities that most significantly impact Enable’s economic performance did not reside with the holders of equity investment at risk. However, CenterPoint Energy was not considered the primary beneficiary of Enable since it did not have the power to direct the activities of Enable that were considered most significant to the economic performance of Enable.

On February 16, 2021, Enable entered into the Enable Merger Agreement. On December 2, 2021, the Enable Merger closed pursuant to the Enable Merger Agreement. At the closing of the Enable Merger, CenterPoint Energy transferred 100% of the Enable Common Units and Enable Series A Preferred Units it owned in exchange for Energy Transfer Common Units and Energy Transfer Series G Preferred Units, respectively. CenterPoint Energy also received $5 million in cash in exchange for its interests in Enable GP. CenterPoint Energy has no continuing ownership interest in Enable after the close of the Enable Merger. See Note 12 for further information. Pursuant to previously disclosed support agreements, CenterPoint Energy and OGE, who collectively owned approximately 79.2% of Enable’s common units, delivered written consents approving the Enable Merger Agreement and, on a non-binding, advisory basis, the compensation that will or may become payable to Enable’s named executive officers in connection with the transactions contemplated by the Enable Merger Agreement. Upon the consummation

of the transactions contemplated by the Enable Merger Agreement, the agreements relating to Enable between CenterPoint Energy, OGE and Enable and certain of their affiliates terminated, and CenterPoint Energy paid $30 million to OGE.

The proceeds from the Enable Merger Agreement were allocated to each element based on the relative fair value of the interests being sold. Accordingly, CenterPoint Energy realized gains of $680 million and $1 million related to the transfer of its Enable Common Units and Enable Series A Preferred Units, respectively, from the Enable Merger Agreement. The realized gains from CenterPoint Energy’s transferred Enable Common Units and Enable Series A Preferred Units are reflected as discontinued operations and Other Income, respectively, on CenterPoint Energy’s Statements of Consolidated Income.

The carrying value of CenterPoint Energy’s equity method investment in Enable is reflected as held for sale on CenterPoint Energy’s Consolidated Balance Sheet as of December 31, 2020 and equity in earnings (losses) from Enable are reflected as discontinued operations on CenterPoint Energy’s Statements of Consolidated Income. For further information, see Note 4. The Enable Series A Preferred Units are not reflected in the Midstream Investments reportable segment as equity investments without a readily determinable fair value are not included in the scope of discontinued operations.

2020 Impairment in Enable

CenterPoint Energy evaluates its equity method investments, when not reflected as held for sale, for impairment when factors indicate that a decrease in the value of its investment has occurred and the carrying amount of its investment may not be recoverable. An impairment loss, based on the excess of the carrying value over the estimated fair value of the investment, is recognized in earnings when an impairment is deemed to be other than temporary. Considerable judgment is used in determining if an impairment loss is other than temporary and the amount of any impairment. CenterPoint Energy reduced the carrying value of its investment in Enable to its estimated fair value of $848 million as of March 31, 2020 and recognized an impairment charge of $1,541 million during the year ended December 31, 2020. For further information, see Note 10.

Distributions Received from Enable (CenterPoint Energy and CERC):

CenterPoint Energy

	Year Ended December 31,
	2021				2020				2019
	Per Unit		Cash Distribution		Per Unit		Cash Distribution		Per Unit		Cash Distribution
	(in millions, except per unit amounts)
Enable Common Units	$	0.6610	$	155	$	0.8263	$	193	$	1.2970	$	303
Enable Series A Preferred Units (1)	2.2965		34		2.5000		36		2.5000		36
Total			$	189			$	229			$	339

(1)As of December 31, 2020, the Enable Series A Preferred Units annual distribution rate was 10%. On February 18, 2021, five years after the issue date, the Enable Series A Preferred Units annual distribution rate changed to a percentage of the Stated Series A Liquidation Preference per Enable Series A Preferred Unit equal to the sum of (a) Three-Month LIBOR, as calculated on each applicable date of determination, and (b) 8.5%.

Transactions with Enable (CenterPoint Energy and CERC):

The transactions with Enable through December 2, 2021 in the following tables exclude transactions with the Energy Services Disposal Group. See Note 4 for further information.

	CenterPoint Energy and CERC
	Year Ended December 31,
	2021		2020		2019
	(in millions)
Natural gas expenses, including transportation and storage costs (1)	$	85	$	86	$	86

(1)Included in Non-utility costs of revenues, including natural gas on CenterPoint Energy’s and CERC’s respective Statements of Consolidated Income.

	CenterPoint Energy and CERC
	December 31,
	2020
	(in millions)
Accounts payable for natural gas purchases from Enable	$	9
Accounts receivable for amounts billed for services provided to Enable	1

Summarized consolidated income (loss) information for Enable is as follows:

	Year Ended December 31,
	2021 (1)		2020		2019
	(in millions)
Operating revenues	$	3,466	$	2,463	$	2,960
Cost of sales, excluding depreciation and amortization	1,959		965		1,279
Depreciation and amortization	382		420		433
Goodwill impairment	—		28		86
Operating income	634		465		569
Net income attributable to Enable Common Units	461		52		360
Reconciliation of Equity in Earnings (Losses), net before income taxes:
CenterPoint Energy’s interest	$	248	$	28	$	193
Basis difference amortization (2)	92		87		47
Loss on dilution, net of proportional basis difference recognition	(1)		(2)		(11)
Impairment of CenterPoint Energy’s equity method investment in Enable	—		(1,541)		—
Gain on Enable Merger	680		—		—
CenterPoint Energy’s equity in earnings (losses), net before income taxes (3)	$	1,019	$	(1,428)	$	229

(1)Reflects January 1, 2021 to December 2, 2021 results only due to the closing of the Enable Merger.

(2)Equity in earnings of unconsolidated affiliate includes CenterPoint Energy’s share of Enable earnings adjusted for the amortization of the basis difference of CenterPoint Energy’s original investment in Enable and its underlying equity in net assets of Enable. The basis difference was being amortized through the year 2048 and ceased upon closing of the Enable Merger.

(3)Reported as discontinued operations on CenterPoint Energy’s Statements of Consolidated Income. For further information, see Note 4.

Summarized consolidated balance sheet information for Enable is as follows:

	December 2,		December 31,
	2021 (1)		2020
	(in millions)
Current assets	$	594	$	381
Non-current assets	11,227		11,348
Current liabilities	1,254		582
Non-current liabilities	3,281		4,052
Non-controlling interest	26		26
Preferred equity	362		362
Accumulated other comprehensive loss	(1)		(6)
Enable partners’ equity	6,899		6,713
Reconciliation of Investment in Enable:
CenterPoint Energy’s ownership interest in Enable partners’ equity	$	3,701	$	3,601
CenterPoint Energy’s basis difference (2)	(2,732)		(2,819)
CenterPoint Energy’s equity method investment in Enable (3)	$	969	$	782

(1)Reflects balances as of the closing of the Enable Merger on December 2, 2021.

(2)Includes the impairment of CenterPoint Energy’s equity method investment in Enable of $1,541 million recorded during the year ended December 31, 2020. The basis difference was being amortized through the year 2048 and ceased upon closing of the Enable Merger.

(3)Reflected in assets held for sale in CenterPoint Energy’s Consolidated Balance Sheet as of December 31, 2020. For further information, see Note 4.

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Equity Securities and Indexed Debt Securities (ZENS) (CenterPoint Energy)

12 Months Ended

Dec. 31, 2021

Indexed Debt Securities [Abstract]

Equity Securities and Indexed Debt Securities (ZENS) (CenterPoint Energy)

Equity Securities and Indexed Debt Securities (ZENS) (CenterPoint Energy)

(a) Equity Securities

At the closing of the Enable Merger, Energy Transfer acquired 100% of Enable’s outstanding equity interests, resulting in the exchange of 233,856,623 Enable Common Units owned by CenterPoint Energy, at the transaction exchange ratio of 0.8595x Energy Transfer Common Units for each Enable Common Unit, for 200,999,768 Energy Transfer Common Units. CenterPoint Energy also received $5 million in cash in exchange for its interest in Enable GP and 384,780 Energy Transfer Series G Preferred Units with an aggregate liquidation preference of approximately $385 million in exchange for 14,520,000 Enable Series A Preferred Units with a carrying value of $363 million. See Notes 4 and 11 for further information.

CenterPoint Energy’s sales of equity securities during the year ended December 31, 2021 are as follows:

Equity Security/Date Sold	Units Sold	Proceeds (2)
		(in millions)
Energy Transfer Common Units
December 8, 2021 (1)	50,000,000	$	384
December 10, 2021	100,000,000	$	745
Energy Transfer Series G Preferred Units
December 13, 2021	192,390	$	191

(1)Settlement date for a forward sale transaction that CNP Midstream entered into through a Forward Sale Agreement on September 1, 2021 with an investment banking financial institution for 50 million Energy Transfer Common Units CNP Midstream received as consideration in the Enable Merger in exchange for the proceeds of the forward sale transaction.

(2)Proceeds are net of transaction costs.

Gains and losses on equity securities, net of transaction costs, are recorded as Gain (Loss) on Equity Securities in CenterPoint Energy’s Statements of Consolidated Income.

	Gains (Losses) on Equity Securities
	Year Ended December 31,
	2021		2020		2019
			(in millions)
AT&T Common	$	(43)	$	(105)	$	108
Charter Common	(8)		154		174
Energy Transfer Common Units	(124)		—		—
Energy Transfer Series G Preferred Units	2		—		—
Other	1		—		—
	$	(172)	$	49	$	282

    

CenterPoint Energy recorded unrealized gains (losses) of $(52) million, $49 million, and $282 million for the years ended December 31, 2021, 2020, and 2019, respectively, for equity securities held as of December 31, 2021, 2020, and 2019.

CenterPoint Energy and its subsidiaries hold shares of certain securities detailed in the table below, which are classified as trading securities. Shares of AT&T Common and Charter Common are expected to be held to facilitate CenterPoint Energy’s ability to meet its obligation under the ZENS.

	Shares Held at December 31,		Carrying Value at December 31,
	2021	2020	2021		2020
			(in millions)
AT&T Common	10,212,945	10,212,945	$	251	$	294
Charter Common	872,503	872,503	569		577
Energy Transfer Common Units	50,999,768	—	420		—
Energy Transfer Series G Preferred Units	192,390	—	196		—
Other			3		—
			$	1,439	$	871

(b) ZENS

In September 1999, CenterPoint Energy issued ZENS having an original principal amount of $1.0 billion of which $828 million remained outstanding as of December 31, 2021. Each ZENS is exchangeable at the holder’s option at any time for an amount of cash equal to 95% of the market value of the reference shares attributable to such note. The number and identity of the reference shares attributable to each ZENS are adjusted for certain corporate events.

CenterPoint Energy’s reference shares for each ZENS consisted of the following:

	December 31,
	2021	2020
	(in shares)
AT&T Common	0.7185	0.7185
Charter Common	0.061382	0.061382

CenterPoint Energy pays interest on the ZENS at an annual rate of 2% plus the amount of any quarterly cash dividends paid in respect of the reference shares attributable to the ZENS. The principal amount of the ZENS is subject to increases or decreases to the extent that the annual yield from interest and cash dividends on the reference shares is less than or more than 2.309%. The adjusted principal amount is defined in the ZENS instrument as “contingent principal.” As of December 31, 2021, the ZENS, having an original principal amount of $828 million and a contingent principal amount of $38 million, were outstanding and were exchangeable, at the option of the holders, for cash equal to 95% of the market value of the reference shares attributable to the ZENS. As of December 31, 2021, the market value of such shares was approximately $820 million, which would provide an exchange amount of $941 for each $1,000 original principal amount of ZENS. At maturity of the ZENS in 2029, CenterPoint Energy will be obligated to pay in cash the higher of the contingent principal amount of the ZENS

or an amount based on the then-current market value of the reference shares, which will include any additional publicly-traded securities distributed with respect to the current reference shares prior to maturity.

The ZENS obligation is bifurcated into a debt component and a derivative component (the holder’s option to receive the appreciated value of the reference shares at maturity). The bifurcated debt component accretes through interest charges annually up to the contingent principal amount of the ZENS in 2029. Such accretion will be reduced by annual cash interest payments, as described above. The derivative component is recorded at fair value and changes in the fair value of the derivative component are recorded in CenterPoint Energy’s Statements of Consolidated Income. Changes in the fair value of the ZENS-Related Securities held by CenterPoint Energy are expected to substantially offset changes in the fair value of the derivative component of the ZENS.

The following table sets forth summarized financial information regarding CenterPoint Energy’s investment in ZENS-Related Securities and each component of CenterPoint Energy’s ZENS obligation. 

	ZENS-Related Securities		Debt Component of ZENS		Derivative Component of ZENS
	(in millions)
Balance as of December 31, 2018	$	540	$	24	$	601
Accretion of debt component of ZENS	—		17		—
2% interest paid	—		(17)		—
Distribution to ZENS holders	—		(5)		—
Loss on indexed debt securities	—		—		292
Gain on ZENS-Related Securities	282		—		—
Balance as of December 31, 2019	822		19		893
Accretion of debt component of ZENS	—		17		—
2% interest paid	—		(16)		—
Distribution to ZENS holders	—		(5)		—
Loss on indexed debt securities	—		—		60
Gain on ZENS-Related Securities	49		—		—
Balance as of December 31, 2020	871		15		953
Accretion of debt component of ZENS	—		17		—
2% interest paid	—		(17)		—
Distribution to ZENS holders	—		(5)		—
Gain on indexed debt securities	—		—		(50)
Loss on ZENS-Related Securities	(51)		—		—
Balance as of December 31, 2021	$	820	$	10	$	903

On May 17, 2021, AT&T announced that it had entered into a definitive agreement with Discovery, Inc. to combine their media assets into a new publicly traded company to be called Warner Bros. Discovery. Pursuant to the definitive agreement, AT&T shareholders are expected to receive an estimated 0.24 shares of Warner Bros. Discovery common stock for each share of AT&T owned, representing 71% of the new company. Upon the closing of the transaction, reference shares attributable to ZENS would consist of AT&T Common, Charter Common and common stock of Warner Bros. Discovery. AT&T announced that the transaction is expected to close in the second quarter of 2022.

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Equity (CenterPoint Energy)

12 Months Ended

Dec. 31, 2021

Stockholders' Equity Note [Abstract]

Equity (CenterPoint Energy) [Text Block]

Equity (CenterPoint Energy)

Dividends Declared and Paid (CenterPoint Energy)

CenterPoint Energy declared and paid dividends on its Common Stock during 2021, 2020 and 2019 as presented in the table below:

	Dividends Declared Per Share						Dividends Paid Per Share
	2021		2020 (2)		2019		2021		2020 (2)		2019
Common Stock	$	0.6600	$	0.9000	$	0.8625	$	0.6500	$	0.7400	$	0.8625
Series A Preferred Stock	61.2500		91.8750		30.6250		61.2500		61.2500		30.6250
Series B Preferred Stock	35.0000		87.5000		52.5000		52.5000		70.0000		52.5000
Series C Preferred Stock (1)	—		0.6100		—		0.1600		0.4500		—

(1)The Series C Preferred Stock was entitled to participate in any dividend or distribution (excluding those payable in Common Stock) with the Common Stock on a pari passu, pro rata, as-converted basis. The per share amount reflects the dividend per share of Common Stock as if the Series C Preferred Stock were converted into Common Stock. There were no Series C Preferred Stock outstanding or dividends declared in 2019. All of the outstanding Series C Preferred Stock was converted to Common Stock during 2021 as described below.

(2)On April 1, 2020, in response to the reduction in cash flow related to the reduction in Enable quarterly common unit distributions announced by Enable on April 1, 2020, CenterPoint Energy announced a reduction of its quarterly Common Stock dividend per share from $0.2900 to $0.1500.

Preferred Stock (CenterPoint Energy)

	Liquidation Preference Per Share		Shares Outstanding as of December 31,			Outstanding Value as of December 31,
			2021	2020	2019	2021		2020		2019
	(in millions, except shares and per share amount)
Series A Preferred Stock	$	1,000	800,000	800,000	800,000	$	790	$	790	$	790
Series B Preferred Stock	1,000		—	977,400	977,500	—		950		950
Series C Preferred Stock	1,000		—	625,000	—	—		623		—
			800,000	2,402,400	1,777,500	$	790	$	2,363	$	1,740

Dividend Requirement on Preferred Stock

	Year Ended December 31,
	2021		2020		2019
	(in millions)
Series A Preferred Stock	$	49	$	49	$	49
Series B Preferred Stock	46		68		68
Series C Preferred Stock	—		27		—
Preferred dividend requirement	95		144		117
Amortization of beneficial conversion feature	—		32		—
Total income allocated to preferred shareholders	$	95	$	176	$	117

Series A Preferred Stock

On August 22, 2018, CenterPoint Energy completed the issuance of 800,000 shares of its Series A Preferred Stock, at a price of $1,000 per share, resulting in net proceeds of $790 million after issuance costs. The aggregate liquidation value of the Series A Preferred Stock is $800 million with a per share liquidation value of $1,000.

CenterPoint Energy used the net proceeds from the Series A Preferred Stock offering to fund a portion of the Merger and to pay related fees and expenses.

Dividends. The Series A Preferred Stock accrue cumulative dividends, calculated as a percentage of the stated amount per share, at a fixed annual rate of 6.125% per annum to, but excluding, September 1, 2023, and at an annual rate of three-month LIBOR plus a spread of 3.270% thereafter to be paid in cash if, when and as declared. If declared, prior to September 1, 2023, dividends are payable semi-annually in arrears on each March 1 and September 1, beginning on March 1, 2019, and, for the period commencing on September 1, 2023, dividends are payable quarterly in arrears each March 1, June 1, September 1 and December 1, beginning on December 1, 2023. Cumulative dividends earned during the applicable periods are presented on CenterPoint Energy’s Statements of Consolidated Income as Preferred stock dividend requirement.

Optional Redemption. On or after September 1, 2023, CenterPoint Energy may, at its option, redeem the Series A Preferred Stock, in whole or in part, at any time or from time to time, for cash at a redemption price of $1,000 per share, plus any accumulated and unpaid dividends thereon to, but excluding, the redemption date.

At any time within 120 days after the conclusion of any review or appeal process instituted by CenterPoint Energy, if any, following the occurrence of a ratings event, CenterPoint Energy may, at its option, redeem the Series A Preferred Stock in whole, but not in part, at a redemption price in cash per share equal to $1,020 (102% of the liquidation value of $1,000) plus an amount equal to all accumulated and unpaid dividends thereon to, but excluding, the redemption date, whether or not declared.

Ranking. The Series A Preferred Stock, with respect to anticipated dividends and distributions upon CenterPoint Energy’s liquidation or dissolution, or winding-up of CenterPoint Energy’s affairs, ranks or will rank:

•senior to Common Stock and to each other class or series of capital stock established after the initial issue date of the Series A Preferred Stock that is expressly made subordinated to the Series A Preferred Stock;

•on a parity with any class or series of capital stock established after the initial issue date of the Series A Preferred Stock that is not expressly made senior or subordinated to the Series A Preferred Stock;

•junior to any class or series of capital stock established after the initial issue date of the Series A Preferred Stock that is expressly made senior to the Series A Preferred Stock;

•junior to all existing and future indebtedness (including indebtedness outstanding under CenterPoint Energy’s credit facilities, senior notes and commercial paper) and other liabilities with respect to assets available to satisfy claims against CenterPoint Energy; and

•structurally subordinated to any existing and future indebtedness and other liabilities of CenterPoint Energy’s subsidiaries and capital stock of CenterPoint Energy’s subsidiaries held by third parties.

Voting Rights. Holders of the Series A Preferred Stock generally will not have voting rights. Whenever dividends on shares of Series A Preferred Stock have not been declared and paid for the equivalent of three or more semi-annual or six or more quarterly dividend periods (including, for the avoidance of doubt, the dividend period beginning on, and including, the original issue date and ending on, but excluding, March 1, 2019), whether or not consecutive, the holders of such shares of Series A Preferred Stock, voting together as a single class with holders of any and all other series of voting preferred stock (as defined in the Statement of Resolution for the Series A Preferred Stock) then outstanding, will be entitled at CenterPoint Energy’s next annual or special meeting of shareholders to vote for the election of a total of two additional members of CenterPoint Energy’s Board of Directors, subject to certain limitations. This right will terminate if and when all accumulated dividends have been paid in full and, upon such termination, the term of office of each director so elected will terminate at such time and the number of directors on CenterPoint Energy’s Board of Directors will automatically decrease by two, subject to the revesting of such rights in the event of each subsequent nonpayment.

Series B Preferred Stock

On October 1, 2018, CenterPoint Energy completed the issuance of 19,550,000 depositary shares, each representing a 1/20th interest in a share of its Series B Preferred Stock, at a price of $50 per depositary share, resulting in net proceeds of $950 million after issuance costs. The aggregate liquidation value of Series B Preferred Stock is $978 million with a per share liquidation value of $1,000. The amount issued included 2,550,000 depositary shares issued pursuant to the exercise in full of the option granted to the underwriters to purchase additional depositary shares.

Dividends. Dividends on the Series B Preferred Stock were payable on a cumulative basis when, as and if declared at an annual rate of 7.00% on the liquidation value of $1,000 per share. CenterPoint Energy paid declared dividends in cash or, subject to certain limitations, in shares of Common Stock, or in any combination of cash and shares of Common Stock on March 1, June 1, September 1 and December 1 of each year, commencing on December 1, 2018 and ending on, and including, September 1, 2021. Cumulative dividends earned during the applicable periods were presented on CenterPoint Energy’s Statements of Consolidated Income as Preferred stock dividend requirement.

Mandatory Conversion. Each remaining outstanding share of the Series B Preferred Stock was converted on the mandatory conversion date, September 1, 2021, into 36.7677 shares of Common Stock. The conversion rate was determined based on a preceding 20-day volume-weighted-average-price of Common Stock.

Conversion of Series B Preferred Stock. During 2021, 977,400 shares of Series B Preferred Stock were converted into 35,921,441 shares of Common Stock. As of December 31, 2021, all shares of Series B Preferred Stock have been converted into shares of Common Stock.

Series C Preferred Stock Private Placement (CenterPoint Energy)

On May 6, 2020, CenterPoint Energy entered into agreements for the private placement of 725,000 shares of its Series C Preferred Stock, at a price of $1,000 share, resulting in net proceeds of $724 million after issuance costs.

The Series C Preferred Stock was entitled to participate in any dividend or distribution (excluding those payable in Common Stock) with the Common Stock on a pari passu, pro rata, as-converted basis.

Each remaining outstanding share of the Series C Preferred Stock was converted on May 7, 2021 into the number of Common Stock equal to the quotient of $1,000 divided by the prevailing conversion price, which was $15.31.

Conversion of Series C Preferred Stock. During 2021, 625,000 shares of Series C Preferred Stock were converted into 40,822,990 shares of Common Stock. As of December 31, 2021, all shares of Series C Preferred Stock have been converted into shares of Common Stock.

Common Stock Private Placement (CenterPoint Energy)

On May 6, 2020, CenterPoint Energy entered into agreements for the private placement of 41,977,612 shares of its Common Stock, at a price of $16.08 share, resulting in net proceeds of $673 million after issuance costs. On June 1, 2020, CenterPoint Energy filed a shelf registration statement with the SEC registering these 41,977,612 shares of Common Stock.

Temporary Equity (CenterPoint Energy)

On the approval and recommendation of the Compensation Committee and approval of the Board (acting solely through its independent directors), CenterPoint Energy entered into a retention incentive agreement with David J. Lesar, President and Chief Executive Officer of CenterPoint Energy, dated July 20, 2021. Under the terms of the retention incentive agreement, Mr. Lesar will receive equity-based awards under CenterPoint Energy’s LTIP covering a total of 1 million shares of Common Stock (Total Stock Award) to be granted in multiple annual awards. In July 2021, 400 thousand restricted stock unit awards were awarded to Mr. Lesar that will vest in December 2022. Restricted stock unit awards covering the remaining 600 thousand shares will be awarded to Mr. Lesar in February 2022 and February 2023, in each case covering the remainder of the Total Stock Award not previously awarded or such lesser number of restricted stock units as may be permitted under the annual individual award limitations under the CenterPoint Energy’s LTIP and vesting in December 2023. These awards will also fully vest upon death, disability, termination without cause, or resignation for good reason, as defined in the award agreements, that occurs prior to the vesting date. In the event any shares under the Total Stock Award remain unawarded, in February 2024, a fully vested stock bonus award of the remaining shares will be granted. For accounting purposes, the 1 million shares under the Total Stock Award, consisting of both the awarded and unawarded equity-based awards described above, were considered granted in July 2021. In the event of death, disability, termination without cause or resignation for good reason, as defined in the retention incentive agreement, that occurs prior to the full Total Stock Award being awarded, CenterPoint Energy will pay a lump sum cash payment equal to the value of the unawarded equity-based awards, based on the closing trading price of Common Stock on the date of the event’s occurrence. Because the unawarded equity-based awards are redeemable for cash upon events that are not probable at the grant date, the equity associated with the unawarded equity-based awards will be classified as Temporary Equity on CenterPoint Energy’s Consolidated Balance Sheets.

Undistributed Retained Earnings

As of December 31, 2021 and 2020, CenterPoint Energy’s consolidated retained earnings balance included no undistributed earnings from Enable.

Accumulated Other Comprehensive Income (Loss)

Changes in accumulated comprehensive income (loss) are as follows:

	Year Ended December 31,
	2021						2020
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Beginning Balance	$	(90)	$	—	$	10	$	(98)	$	(15)	$	10
Other comprehensive income (loss) before reclassifications:
Remeasurement of pension and other postretirement plans	16		—		—		(12)		—		—
Other comprehensive income (loss) from unconsolidated affiliates	3		—		—		(2)		—		—
Amounts reclassified from accumulated other comprehensive loss:
Prior service cost (1)	1		—		1		—		—		1
Actuarial losses (1)	7		—		—		7		—		—
Settlement (2)	4		—		—		—		—		—
Reclassification of deferred loss from cash flow hedges realized in net income	2		—		—		—		—		—
Reclassification of deferred loss from cash flow hedges to regulatory assets (3)	—		—		—		19		19		—
Tax benefit (expense)	(7)		—		(1)		(4)		(4)		(1)
Net current period other comprehensive income (loss)	26		—		—		8		15		—
Ending Balance	$	(64)	$	—	$	10	$	(90)	$	—	$	10

(1)Amounts are included in the computation of net periodic cost and are reflected in Other, net in each of the Registrants’ respective Statements of Consolidated Income.

(2)Amounts presented represent a one-time, non-cash settlement cost (benefit), prior to regulatory deferrals, which are required when the total lump sum distributions or other settlements of plan benefit obligations during a plan year exceed the service cost and interest cost components of the net periodic cost for that year. Amounts presented in the table above are included in Other income (expense), net in CenterPoint Energy’s Statements of Consolidated Income, net of regulatory deferrals.

(3)The cost of debt approved by the PUCT as part of Houston Electric’s Stipulation and Settlement Agreement included unrealized gains and losses on interest rate hedges. Accordingly, deferred gains and losses on interest rate hedges were reclassified to regulatory assets or liabilities, as appropriate.

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Short-term Borrowings and Long-term Debt

12 Months Ended

Dec. 31, 2021

Debt Disclosure [Abstract]

Short-term Borrowings and Long-term Debt

Short-term Borrowings and Long-term Debt

	December 31, 2021				December 31, 2020
	Long-Term		Current (1)		Long-Term		Current (1)
	(in millions)
CenterPoint Energy:
ZENS due 2029 (2)	$	—	$	10	$	—	$	15
CenterPoint Energy senior notes 0.68% to 4.25% due 2024 to 2049	3,650		—		2,700		500
CenterPoint Energy variable rate term loan 0.865% due 2021	—		—		—		700
CenterPoint Energy pollution control bonds 5.125% due 2028 (3)	68		—		68		—
CenterPoint Energy commercial paper (4) (5)	1,400		—		1,078		—
VUHI senior notes 3.72% to 6.10% due 2023 to 2045 (6)	377		—		377		55
VUHI commercial paper (4) (5)	350		—		92		—
IGC senior notes 6.34% to 7.08% due 2025 to 2029	96		—		96		—
SIGECO first mortgage bonds 0.820% to 6.72% due 2022 to 2055 (7)	288		5		293		—
Other debt	4		3		6		12
Unamortized debt issuance costs	(23)		—		(17)		—
Unamortized discount and premium, net	(7)		—		(6)		—
Houston Electric debt (see details below)	4,975		520		4,406		613
CERC debt (see details below)	4,380		7		2,428		24
Total CenterPoint Energy debt	$	15,558	$	545	$	11,521	$	1,919

Houston Electric:
First mortgage bonds 9.15% due 2021	$	—	$	—	$	—	$	102
General mortgage bonds 2.25% to 6.95% due 2022 to 2051	4,712		300		3,912		300
Restoration Bond Company:
System restoration bonds 4.243% due 2022	—		70		69		66
Bond Company IV:
Transition bonds 3.028% due 2024	317		150		467		145
Unamortized debt issuance costs	(36)		—		(28)		—
Unamortized discount and premium, net	(18)		—		(14)		—
Total Houston Electric debt	$	4,975	$	520	$	4,406	$	613

CERC (8):
Short-term borrowings:
Inventory financing (9)	$	—	$	7	$	—	$	24
Total CERC short-term borrowings	—		7		—		24
Long-term debt:
Senior notes 0.62% to 6.625% due 2023 to 2047	$	3,500	$	—	$	2,100	$	—
Commercial paper (4) (5)	899		—		347		—
Unamortized debt issuance costs	(15)		—		(15)		—
Unamortized discount and premium, net	(4)		—		(4)		—
Total CERC long-term debt	4,380		—		2,428		—
Total CERC debt	$	4,380	$	7	$	2,428	$	24

(1)Includes amounts due or exchangeable within one year of the date noted.

(2)CenterPoint Energy’s ZENS obligation is bifurcated into a debt component and an embedded derivative component. For additional information regarding ZENS, see Note 12(b). As ZENS are exchangeable for cash at any time at the option of the holders, these notes are classified as a current portion of long-term debt.

(3)These pollution control bonds were secured by general mortgage bonds of Houston Electric as of December 31, 2021 and 2020 and are not reflected in Houston Electric’s consolidated financial statements because of the contingent nature of the obligations.

(4)Classified as long-term debt because the termination date of the facility that backstops the commercial paper is more than one year from the date noted.

(5)Commercial paper issued by CenterPoint Energy, CERC Corp. and VUHI has maturities up to 60 days, 30 days, and 30 days, respectively, and are backstopped by the respective issuer’s long-term revolving credit facility.

(6)The senior notes issued by VUHI are guaranteed by SIGECO, Indiana Gas and VEDO.

(7)The first mortgage bonds issued by SIGECO subject SIGECO’s properties to a lien under the related mortgage indenture as further discussed below.

(8)Issued by CERC Corp.

(9)Represents AMA transactions accounted for as an inventory financing. Outstanding obligations related to third-party AMAs associated with utility distribution service in Arkansas and Oklahoma of $36 million as of December 31, 2021 are reflected in current liabilities held for sale on CenterPoint Energy’s and CERC’s Condensed Consolidated Balance Sheets. For further information about AMAs, see Notes 4 and 16.

Long-term Debt

Debt Transactions. During 2021, the following debt instruments were issued or incurred:

Registrant	Issuance Date	Debt Instrument	Aggregate Principal Amount		Interest Rate	Maturity Date
		(in millions)
CERC	March 2021	Senior Notes	$	700	0.70%	2023
CERC	March 2021	Floating Rate Senior Notes	1,000		Three-month LIBOR plus 0.5%	2023
		Total CERC(1)	1,700
Houston Electric	March 2021	General Mortgage Bonds	400		2.35%	2031
Houston Electric	March 2021	General Mortgage Bonds	700		3.35%	2051
		Total Houston Electric (2)	1,100
CenterPoint Energy	May 2021	Senior Notes	500		1.45%	2026
CenterPoint Energy	May 2021	Senior Notes	500		2.65%	2031
CenterPoint Energy	May 2021	Floating Rate Senior Notes	700		SOFR plus 0.65%	2024
		Total CenterPoint Energy (3)	$	4,500

(1)In February 2021, CERC Corp. received financing commitments totaling $1.7 billion on a 364-day term loan facility to bridge any working capital needs related to the February 2021 Winter Storm Event. Total proceeds of the senior notes and floating rate senior note offerings, net of issuance expenses and fees, of approximately $1.69 billion were used for general corporate purposes, including to fund working capital. Upon the consummation of its senior notes offerings, in March 2021, CERC Corp. terminated all of the commitments for the 364-day term loan facility.

(2)Total proceeds, net of issuance expenses and fees, of approximately $1.08 billion were used for general limited liability company purposes, including capital expenditures and the repayment of outstanding debt discussed below and Houston Electric’s borrowings under the CenterPoint Energy money pool.

(3)Total proceeds, net of issuance expenses and fees, of approximately $1.69 billion, excluding amounts issued by Houston Electric and CERC, were used for general corporate purposes, including the repayment of outstanding debt discussed below and a portion of CenterPoint Energy’s outstanding commercial paper.

Debt Repayments and Redemptions. During 2021, the following debt instruments were repaid at maturity or redeemed, excluding scheduled principal payments of $211 million on the Securitization bonds:

Registrant	Repayment/Redemption Date	Debt Instrument	Aggregate Principal		Interest Rate	Maturity Date
			(in millions)
CERC (1)	December 2021	Senior Notes	$	300	3.55%	2023
		Total CERC	300
Houston Electric	March 2021	First Mortgage Bonds	102		9.15%	2021
Houston Electric (2)	May 2021	General Mortgage Bonds	300		1.85%	2021
		Total Houston Electric	402
CenterPoint Energy (3)	January 2021	Senior Notes	250		3.85%	2021
CenterPoint Energy (4)	May 2021	Term Loan	700		0.76%	2021
CenterPoint Energy (5)	June 2021	Senior Notes	500		3.60%	2021
CenterPoint Energy	November 2021	Senior Notes	55		4.67%	2021
CenterPoint Energy (6)	December 2021	Senior Notes	500		2.50%	2022
		Total CenterPoint Energy	$	2,707

(1)In December 2021, CERC provided notice of redemption and on December 30, 2021, CERC redeemed all of the outstanding senior notes of the series at a redemption price equal to 100% of the principal amount, plus accrued and unpaid interest and an applicable make-whole premium.

(2)In April 2021, Houston Electric provided notice of redemption and on May 1, 2021, Houston Electric redeemed all of the outstanding bonds of the series at a redemption price equal to 100% of the principal amount, plus accrued and unpaid interest.

(3)In December 2020, CenterPoint Energy provided notice of redemption of a portion of its outstanding $500 million aggregate principal amount of the series and on January 15, 2021, CenterPoint Energy redeemed $250 million aggregate principal amount of the series at a redemption price equal to 100% of the principal amount redeemed, plus accrued and unpaid interest and an applicable make-whole premium.

(4)In April 2021, CenterPoint Energy amended its existing term loan agreement by extending its maturity from May 15, 2021 to June 14, 2021. The outstanding LIBOR rate loan balance was prepaid in full at a price equal to 100% of the principal amount, plus accrued and unpaid interest, which was calculated based on the interest rate at maturity.

(5)In May 2021, CenterPoint Energy provided notice of redemption and on June 1, 2021, CenterPoint Energy redeemed all of the outstanding senior notes of the series at a redemption price equal to 100% of the principal amount, plus accrued and unpaid interest and an applicable make-whole premium.

(6)In December 2021, CenterPoint Energy provided notice of redemption and on December 30, 2021, CenterPoint Energy redeemed all of the outstanding senior notes of the series at a redemption price equal to 100% of the principal amount, plus accrued and unpaid interest and an applicable make-whole premium.

CenterPoint Energy and CERC recorded losses on early extinguishment of debt, including make-whole premiums and recognition of deferred debt related costs, in Interest expense and other finance charges on their respective Statements of Consolidated Income, of $53 million and $11 million, respectively, during the year ended December 31, 2021, and $2 million at both for the year ended December 31, 2020. No losses on early extinguishment of debt were recorded during the year ended December 31, 2019.

On January 14, 2022, CERC Corp. provided notice of redemption and on January 31, 2022, CERC Corp. redeemed $425 million aggregate principal amount of CERC’s outstanding Floating Rate Senior Notes due 2023 at a redemption price equal to 100% of the principal amount of the senior notes to be redeemed plus accrued and unpaid interest thereon, if any, to, but excluding, the redemption date.

Securitization Bonds. As of December 31, 2021, CenterPoint Energy and Houston Electric had special purpose subsidiaries consisting of the Bond Companies, which they consolidate. The consolidated special purpose subsidiaries are wholly-owned, bankruptcy remote entities that were formed solely for the purpose of purchasing and owning transition or system restoration property through the issuance of transition bonds or system restoration bonds and activities incidental thereto. These Securitization Bonds are payable only through the imposition and collection of “transition” or “system restoration” charges, as defined in the Texas Public Utility Regulatory Act, which are irrevocable, non-bypassable charges to

provide recovery of authorized qualified costs. CenterPoint Energy and Houston Electric have no payment obligations in respect of the Securitization Bonds other than to remit the applicable transition or system restoration charges they collect as set forth in servicing agreements among Houston Electric, the Bond Companies and other parties. Each special purpose entity is the sole owner of the right to impose, collect and receive the applicable transition or system restoration charges securing the bonds issued by that entity. Creditors of CenterPoint Energy or Houston Electric have no recourse to any assets or revenues of the Bond Companies (including the transition and system restoration charges), and the holders of Securitization Bonds have no recourse to the assets or revenues of CenterPoint Energy or Houston Electric.

Credit Facilities. In February 2021, each of CenterPoint Energy, Houston Electric, CERC Corp. and VUHI replaced their existing revolving credit facilities with new amended and restated credit facilities. The size of the CenterPoint Energy facility decreased from $3.3 billion to $2.4 billion, while the sizes of the Houston Electric, CERC Corp. and VUHI facilities remained unchanged.

The Registrants had the following revolving credit facilities as of December 31, 2021:

Execution  Date	Registrant	Size of Facility		Draw Rate of LIBOR plus (1)	Financial Covenant Limit on Debt for Borrowed Money to Capital Ratio		Debt for Borrowed Money to Capital Ratio as of December 31, 2021 (2)	Termination  Date
		(in millions)
February 4, 2021	CenterPoint Energy	$	2,400	1.625%	65%	(3)	61.8%	February 4, 2024
February 4, 2021	CenterPoint Energy (4)	400		1.250%	65%		48.9%	February 4, 2024
February 4, 2021	Houston Electric	300		1.375%	67.5%	(3)	56.2%	February 4, 2024
February 4, 2021	CERC	900		1.250%	65%		60.6%	February 4, 2024
	Total	$	4,000

(1)Based on credit ratings as of December 31, 2021.

(2)As defined in the revolving credit facility agreement, excluding Securitization Bonds.

(3)For CenterPoint Energy and Houston Electric, the financial covenant limit will temporarily increase to 70% if Houston Electric experiences damage from a natural disaster in its service territory and CenterPoint Energy certifies to the administrative agent that Houston Electric has incurred system restoration costs reasonably likely to exceed $100 million in a consecutive 12-month period, all or part of which Houston Electric intends to seek to recover through securitization financing. Such temporary increase in the financial covenant would be in effect from the date CenterPoint Energy delivers its certification until the earliest to occur of (i) the completion of the securitization financing, (ii) the first anniversary of CenterPoint Energy’s certification or (iii) the revocation of such certification.

(4)This credit facility was issued by VUHI, is guaranteed by SIGECO, Indiana Gas and VEDO and includes a $20 million letter of credit sublimit. This credit facility backstops VUHI’s commercial paper program.

The Registrants, as well as the subsidiaries of CenterPoint Energy discussed above, were in compliance with all financial debt covenants as of December 31, 2021.

As of December 31, 2021 and 2020, the Registrants had the following revolving credit facilities and utilization of such facilities:

	December 31, 2021								December 31, 2020
Registrant	Loans		Letters of Credit		Commercial Paper		Weighted Average Interest Rate		Loans		Letters of Credit		Commercial Paper		Weighted Average Interest Rate
	(in millions, except weighted average interest rate)
CenterPoint Energy (1)	$	—	$	11	$	1,400	0.34	%	$	—	$	11	$	1,078	0.23	%
CenterPoint Energy (2)	—		—		350		0.21	%	—		—		92		0.22	%
Houston Electric	—		—		—		—	%	—		—		—		—	%
CERC	—		—		899		0.26	%	—		—		347		0.23	%
Total	$	—	$	11	$	2,649			$	—	$	11	$	1,517

(1)CenterPoint Energy’s outstanding commercial paper generally has maturities of 60 days or less.

(2)This credit facility was issued by VUHI and is guaranteed by SIGECO, Indiana Gas and VEDO.

Maturities. As of December 31, 2021, maturities of long-term debt, excluding the ZENS obligation and unamortized discounts, premiums and issuance costs, were as follows:

	CenterPoint Energy (1)		Houston  Electric (1)		CERC		Securitization Bonds
	(in millions)
2022	$	524	$	520	$	—	$	220
2023	2,113		356		1,700		156
2024	4,283		161		899		161
2025	51		—		—		—
2026	860		300		—		—

(1)These maturities include Securitization Bonds principal repayments on scheduled payment dates.

Liens. As of December 31, 2021, Houston Electric’s assets were subject to liens securing approximately $4.8 billion of general mortgage bonds outstanding under the General Mortgage, including approximately $68 million held in trust to secure pollution control bonds that mature in 2028 for which CenterPoint Energy is obligated. The general mortgage bonds that are held in trust to secure pollution control bonds are not reflected in Houston Electric’s consolidated financial statements because of the contingent nature of the obligations. Houston Electric may issue additional general mortgage bonds on the basis of retired bonds, 70% of property additions or cash deposited with the trustee. Houston Electric could issue approximately $4.6 billion of additional general mortgage bonds on the basis of retired bonds and 70% of property additions as of December 31, 2021.  No first mortgage bonds are outstanding under the Mortgage, and Houston Electric is contractually obligated to not issue any additional first mortgage bonds under the Mortgage and is undertaking actions to release the lien of the Mortgage.

As of December 31, 2021, SIGECO had approximately $293 million aggregate principal amount of first mortgage bonds outstanding. Generally, of SIGECO’s real and tangible property is subject to the lien of SIGECO’s mortgage indenture. SIGECO may issue additional bonds under its mortgage indenture up to 60% of currently unfunded property additions. As of December 31, 2021, approximately $1.4 billion of additional first mortgage bonds could be issued on this basis. However, SIGECO is also limited in its ability to issue additional bonds under its mortgage indenture due to certain provisions in its parent’s, VUHI, debt agreements.

Other. As of December 31, 2021, certain financial institutions agreed to issue, from time to time, up to $20 million of letters of credit on behalf of certain of Vectren’s subsidiaries in exchange for customary fees. These agreements to issue letters of credit expire on December 31, 2021. As of December 31, 2021, such financial institutions had issued $1 million of letters of credit on behalf of these subsidiaries. 

Houston Electric and CERC participate in a money pool through which they can borrow or invest on a short-term basis. For additional information, see Note 20.

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Income Taxes

12 Months Ended

Dec. 31, 2021

Income Tax Disclosure [Abstract]

Income Taxes

Income Taxes

The components of the Registrant’s income tax expense (benefit) were as follows:

	Year Ended December 31,
	2021		2020		2019
	(in millions)
CenterPoint Energy - Continuing Operations
Current income tax expense (benefit):
Federal	$	—	$	(36)	$	(6)
State	(28)		32		13
Total current expense (benefit)	(28)		(4)		7
Deferred income tax expense (benefit):
Federal	78		63		48
State	60		21		(25)
Total deferred expense	138		84		23
Total income tax expense	$	110	$	80	$	30

	Year Ended December 31,
	2021		2020		2019
	(in millions)
CenterPoint Energy - Discontinued Operations
Current income tax expense:
Federal	$	91	$	152	$	54
State	35		28		8
Total current expense	126		180		62
Deferred income tax expense (benefit):
Federal	127		(422)		26
State	(52)		(91)		20
Total deferred expense (benefit)	75		(513)		46
Total income tax expense (benefit)	$	201	$	(333)	$	108
Houston Electric
Current income tax expense:
Federal	$	22	$	76	$	84
State	22		19		20
Total current expense	44		95		104
Deferred income tax expense (benefit):
Federal	31		(42)		(24)
State	1		—		—
Total deferred expense (benefit)	32		(42)		(24)
Total income tax expense	$	76	$	53	$	80
CERC - Continuing Operations
Current income tax expense (benefit):
State	$	(26)	$	4	$	5
Total current expense (benefit)	(26)		4		5
Deferred income tax expense (benefit):
Federal	49		26		26
State	28		67		(34)
Total deferred expense (benefit)	77		93		(8)
Total income tax expense (benefit)	$	51	$	97	$	(3)
CERC - Discontinued Operations
Current income tax expense:
State	—		—		2
Total current expense	—		—		2
Deferred income tax expense (benefit):
Federal	—		—		13
State	—		(2)		2
Total deferred expense (benefit)	—		(2)		15
Total income tax expense (benefit)	$	—	$	(2)	$	17

A reconciliation of income tax expense (benefit) using the federal statutory income tax rate to the actual income tax expense and resulting effective income tax rate is as follows:

	Year Ended December 31,
	2021			2020			2019
	(in millions)
CenterPoint Energy - Continuing Operations (1) (2) (3)
Income before income taxes	$	778		$	563		$	545
Federal statutory income tax rate	21		%	21		%	21		%
Expected federal income tax expense	163			118			114
Increase (decrease) in tax expense resulting from:
State income tax expense, net of federal income tax	63			40			27
State valuation allowance, net of federal income tax	(15)			1			(4)
State law change, net of federal income tax	(23)			—			(33)
Excess deferred income tax amortization	(75)			(76)			(55)
Goodwill impairment	—			39			—
Net operating loss carryback	—			(37)			—
Other, net	(3)			(5)			(19)
Total	(53)			(38)			(84)
Total income tax expense	$	110		$	80		$	30
Effective tax rate	14		%	14		%	6		%
CenterPoint Energy - Discontinued Operations (4)(5) (6)
Income (loss) before income taxes	$	1,019		$	(1,589)		$	384
Federal statutory income tax rate	21		%	21		%	21		%
Expected federal income tax expense (benefit)	214			(334)			81
Increase (decrease) in tax expense resulting from:
State income tax expense, net of federal income tax	14			(60)			9
State law change, net of federal income tax	(27)			—			12
Goodwill impairment	—			25			8
Tax impact of sale of Energy Services and Infrastructure Services Disposal Groups	—			30			—
Other, net	—			6			(2)
Total	(13)			1			27
Total income tax expense (benefit)	$	201		$	(333)		$	108
Effective tax rate	20		%	21		%	28		%
Houston Electric (7) (8) (9)
Income before income taxes	$	457		$	387		$	436
Federal statutory income tax rate	21		%	21		%	21		%
Expected federal income tax expense	96			81			92
Increase (decrease) in tax expense resulting from:
State income tax expense, net of federal income tax	18			15			16
Excess deferred income tax amortization	(41)			(42)			(21)
Other, net	3			(1)			(7)
Total	(20)			(28)			(12)
Total income tax expense	$	76		$	53		$	80
Effective tax rate	17		%	14		%	18		%

	Year Ended December 31,
	2021			2020			2019
	(in millions)
CERC - Continuing Operations (10) (11) (12)
Income before income taxes	$	305		$	244		$	186
Federal statutory income tax rate	21		%	21		%	21		%
Expected federal income tax expense	64			51			39
Increase (decrease) in tax expense resulting from:
State income tax expense, net of federal income tax	33			55			(15)
State law change, net of federal income tax	(15)			—			(4)
State valuation allowance, net of federal income tax	(15)			1			(4)
Excess deferred income tax amortization	(16)			(16)			(18)
Other, net	—			6			(1)
Total	(13)			46			(42)
Total income tax expense (benefit)	$	51		$	97		$	(3)
Effective tax rate	17		%	40		%	(2)		%
CERC - Discontinued Operations (13) (14)
Income (loss) before income taxes	$	—		$	(68)		$	40
Federal statutory income tax rate	—		%	21		%	21		%
Expected federal income tax expense (benefit)	—			(14)			8
Increase in tax expense resulting from:
State income tax expense, net of federal income tax	—			(2)			3
Goodwill impairment	—			10			8
Other, net	—			4			(2)
Total	—			12			9
Total income tax expense (benefit)	$	—		$	(2)		$	17
Effective tax rate	—		%	3		%	43		%

(1)Recognized a $75 million benefit for the amortization of the net regulatory EDIT liability as decreed by regulators in certain jurisdictions, a $23 million benefit for the impact of state law changes that resulted in the remeasurement of state deferred taxes in those jurisdictions, and a $15 million benefit for the impact of a change in the NOL carryforward period in Louisiana from 20 years to an indefinite period allowing for the release of the valuation allowance on certain Louisiana NOLs.

(2)Recognized a $76 million benefit for the amortization of the net regulatory EDIT liability as decreed by regulators in certain jurisdictions, a $39 million deferred tax expense for the non-deductible portion of the goodwill impairment on SIGECO, and a $37 million benefit for the NOL carryback claim allowed by the CARES Act.

(3)Recognized a $55 million benefit for the amortization of the net regulatory EDIT liability as decreed by regulators in certain jurisdictions, a $33 million net benefit for the impact of state law changes that resulted in the remeasurement of state deferred taxes in those jurisdictions, and a $4 million net benefit for the reduction in valuation allowances on certain state NOLs that are now expected to be realized.

(4)Recognized a $27 million benefit for the impact of state law changes that resulted in the remeasurement of state deferred taxes in those jurisdictions.

(5)Recognized a $25 million deferred tax expense for the non-deductible portion of the goodwill impairment on both the Energy Services and Infrastructure Services Disposal Groups. Also, recognized a $30 million net tax expense on both the sale of the Energy Services and Infrastructure Services Disposal Groups.

(6)Recognized a $12 million deferred tax expense for the impact of state law changes that resulted in the remeasurement of state deferred taxes in those jurisdictions, and an $8 million deferred tax expense for the non-deductible portion of the goodwill impairment on the Energy Services Disposal Group.

(7)Recognized a $41 million benefit for the amortization of the net regulatory EDIT liability as decreed by regulators in certain jurisdictions.

(8)Recognized a $42 million benefit for the amortization of the net regulatory EDIT liability as decreed by regulators in certain jurisdictions.

(9)Recognized a $21 million benefit for the amortization of the net regulatory EDIT liability as decreed by regulators in certain jurisdictions.

(10)Recognized a $15 million benefit for the impact of state law changes that resulted in the remeasurement of state deferred taxes in those jurisdictions, a $16 million benefit for the amortization of the net regulatory EDIT liability as decreed by regulators in certain jurisdictions, and a $15 million benefit for the impact of a change in the NOL carryforward period in Louisiana from 20 years to an indefinite period allowing for the release of the valuation allowance on certain Louisiana NOLs.

(11)Recognized a $16 million benefit for the amortization of the net regulatory EDIT liability as decreed by regulatory in certain jurisdictions.

(12)Recognized an $18 million benefit for the amortization of the net regulatory EDIT liability as decreed by regulators in certain jurisdictions, a $4 million net benefit for the impact of state law changes that resulted in the remeasurement of state deferred taxes in those jurisdictions and a $4 million net benefit for the reduction in valuation allowances on certain state NOLs that are now expected to be realized.

(13)Recognized a $10 million deferred tax expense for the non-deductible portion of the goodwill impairment on the Energy Services Disposal Group.

(14)Recognized an $8 million deferred tax expense for the non-deductible portion of the goodwill impairment on the Energy Services Disposal Group.

The tax effects of temporary differences that give rise to significant portions of deferred tax assets and liabilities were as follows:

	December 31,
	2021		2020
	(in millions)
CenterPoint Energy
Deferred tax assets:
Benefits and compensation	$	120	$	141
Regulatory liabilities	396		435
Loss and credit carryforwards	76		103
Asset retirement obligations	130		152
Indexed debt securities derivative	36		47
Investment in unconsolidated affiliates	1		—
Other	50		52
Valuation allowance	(11)		(26)
Total deferred tax assets	798		904
Deferred tax liabilities:
Property, plant and equipment	2,912		2,790
Investment in unconsolidated affiliates	—		624
Regulatory assets	741		325
Investment in ZENS and equity securities related to ZENS	693		649
Investment in equity securities	195		—
Other	161		119
Total deferred tax liabilities	4,702		4,507
Net deferred tax liabilities	$	3,904	$	3,603
Houston Electric
Deferred tax assets:
Regulatory liabilities	$	175	$	201
Benefits and compensation	13		17
Asset retirement obligations	9		9
Other	10		9
Total deferred tax assets	207		236
Deferred tax liabilities:
Property, plant and equipment	1,215		1,159
Regulatory assets	114		118
Total deferred tax liabilities	1,329		1,277
Net deferred tax liabilities	$	1,122	$	1,041

	December 31,
	2021		2020
	(in millions)
CERC
Deferred tax assets:
Benefits and compensation	$	25	$	28
Regulatory liabilities	139		147
Loss and credit carryforwards	571		143
Asset retirement obligations	118		140
Other	26		26
Valuation allowance	—		(15)
Total deferred tax assets	879		469
Deferred tax liabilities:
Property, plant and equipment	948		916
Regulatory assets	514		53
Other	97		84
Total deferred tax liabilities	1,559		1,053
Net deferred tax liabilities	$	680	$	584

Tax Attribute Carryforwards and Valuation Allowance.  CenterPoint Energy has no federal NOL carryforwards and no federal charitable contribution carryforwards as of December 31, 2021. As of December 31, 2021, CenterPoint Energy had $1.3 billion of state NOL carryforwards that expire between 2022 and 2041, and $7 million of state tax credits that do not expire. CenterPoint Energy reported a valuation allowance of $11 million because it is more likely than not that the benefit from certain state NOL carryforwards will not be realized. Due to a change in the NOL carryforward period in Louisiana from 20 years to an indefinite period during 2021, CenterPoint Energy released a $15 million valuation allowance on certain Louisiana NOLs.

CERC has $2.3 billion of federal NOL carryforwards which have an indefinite carryforward period. CERC has $972 million of gross state NOL carryforwards which expire between 2022 and 2041 and $7 million of state tax credits which do not expire. Due to a change in the NOL carryforward period in Louisiana from 20 years to an indefinite period during 2021, CERC released a $15 million valuation allowance on certain Louisiana NOLs.

A reconciliation of CenterPoint Energy’s beginning and ending balance of unrecognized tax benefits, excluding interest and penalties, for 2021 and 2020 are as follows:

	Year Ended December 31,
	2021		2020
	(in millions)
Balance, beginning of year	$	7	$	8
Increases related to tax positions of prior years	—		3
Decreases related to tax positions of prior years	(4)		(4)
Balance, end of year	$	3	$	7

CenterPoint Energy’s net unrecognized tax benefits, including penalties and interest, were $4 million as of December 31, 2021 and are included in other non-current liabilities in the Consolidated Financial Statements. Included in the balance of uncertain tax positions as of December 31, 2021 are $2 million of tax benefits that, if recognized, would affect the effective tax rate. The above table does not include $1 million of accrued penalties and interest as of December 31, 2021. During 2021, CenterPoint Energy released a $6 million net uncertain tax liability, including interest and penalties, upon acceptance of an accounting method change filed with the IRS in 2019. The Registrants recognize interest accrued related to unrecognized tax benefits and penalties as income tax expense. The Registrants believe that it is reasonably possible that a decrease of up to $3 million in unrecognized tax benefits, including penalties and interest, may occur in the next 12 months as a result of a lapse of statutes on older exposures, a tax settlement, and/or a resolution of open audits.

Tax Audits and Settlements. Tax years through 2018 have been audited and settled with the IRS for CenterPoint Energy. For the 2019-2021 tax years, the Registrants are participants in the IRS’s Compliance Assurance Process. Vectren’s pre-Merger 2014-2019 tax years are now under audit by IRS.

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Commitments and Contingencies

12 Months Ended

Dec. 31, 2021

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

Commitments and Contingencies

(a) Purchase Obligations (CenterPoint Energy and CERC)

Commitments include minimum purchase obligations related to CenterPoint Energy’s and CERC’s Natural Gas reportable segment and CenterPoint Energy’s Electric reportable segment. A purchase obligation is defined as an agreement to purchase goods or services that is enforceable and legally binding on the registrant and that specifies all significant terms, including: fixed or minimum quantities to be purchased; fixed, minimum or variable price provisions; and the approximate timing of the transaction. Contracts with minimum payment provisions have various quantity requirements and durations and are not classified as non-trading derivative assets and liabilities in CenterPoint Energy’s and CERC’s Consolidated Balance Sheets as of December 31, 2021 and 2020. These contracts meet an exception as “normal purchases contracts” or do not meet the definition of a derivative. Natural gas and coal supply commitments also include transportation contracts that do not meet the definition of a derivative.

On February 9, 2021, Indiana Electric entered into a BTA with a subsidiary of Capital Dynamics. Pursuant to the BTA, Capital Dynamics, with its partner Tenaska, will build a 300 MW solar array in Posey County, Indiana through a special purpose entity, Posey Solar. Upon completion of construction, currently projected to be at the end of 2023, and subject to IURC approval, which was received on October 27, 2021, Indiana Electric will acquire Posey Solar and its solar array assets for a fixed purchase price. Due to rising cost for the project, caused in part by supply chain issues in the energy industry, the rising cost of commodities and community feedback, CenterPoint Energy, along with Capital Dynamics, recently announced plans to downsize the project to approximately 200 MW. Indiana Electric collaboratively agreed to the scope change and is currently working through contract negotiations, contingent on further IURC review and approval.

As of December 31, 2021, minimum purchase obligations were approximately:

	Natural Gas and Coal Supply (1)				Other (2)
	CenterPoint Energy		CERC		CenterPoint Energy
	(in millions)
2022	$	560	$	322	$	66
2023	444		253		500
2024	378		247		178
2025	318		206		30
2026	254		176		29
2027 and beyond	1,586		1,282		596

(1)On January 10, 2022, CERC Corp. completed the sale of its Arkansas and Oklahoma Natural Gas businesses; therefore minimum purchase obligations for the Arkansas and Oklahoma Natural Gas businesses have been excluded from the table above. For additional information, see Note 4.

(2)CenterPoint Energy’s undiscounted minimum payment obligations related to PPAs with commitments ranging from 15 to 25 years and its purchase commitment under its BTA in Posey County, Indiana at the original contracted amount, prior to any renegotiation, are included above. The remaining undiscounted payment obligations relate primarily to technology hardware and software agreements.

Excluded from the table above are estimates for cash outlays from other PPAs through Indiana Electric that do not have minimum thresholds but do require payment when energy is generated by the provider. Costs arising from certain of these commitments are pass-through costs, generally collected dollar-for-dollar from retail customers through regulator-approved cost recovery mechanisms

(b) AMAs (CenterPoint Energy and CERC)

Upon expiration of the AMAs with the Energy Services Disposal Group discussed in Note 4, CenterPoint Energy’s and CERC’s Natural Gas businesses entered into new third-party AMAs beginning in April 2021 associated with their utility distribution service in Arkansas, Indiana, Louisiana, Mississippi, Oklahoma and Texas. Additionally, CenterPoint Energy’s and CERC’s Natural Gas business in Minnesota entered into a third-party AMA beginning in February 2021. The AMAs have varying terms, the longest of which expires in 2027. Pursuant to the provisions of the agreements, CenterPoint Energy’s and CERC’s Natural Gas either sells natural gas to the asset manager and agrees to repurchase an equivalent amount of natural gas throughout the year at the same cost, or simply purchases its full natural gas requirements at each delivery point from the asset

manager. Generally, AMAs are contracts between CenterPoint Energy’s and CERC’s Natural Gas and an asset manager that are intended to transfer the working capital obligation and maximize the utilization of the assets. In these agreements, CenterPoint Energy’s and CERC’s Natural Gas agrees to release transportation and storage capacity to other parties to manage natural gas storage, supply and delivery arrangements for CenterPoint Energy’s and CERC’s Natural Gas and to use the released capacity for other purposes when it is not needed for CenterPoint Energy’s and CERC’s Natural Gas. CenterPoint Energy’s and CERC’s Natural Gas may receive compensation from the asset manager through payments made over the life of the AMAs. CenterPoint Energy’s and CERC’s Natural Gas has an obligation to purchase their winter storage requirements that have been released to the asset manager under these AMAs. For amounts outstanding under these AMAs, see Notes 4 and 14.

(c) Guarantees and Product Warranties (CenterPoint Energy)

In the normal course of business, Energy Systems Group enters into contracts requiring it to timely install infrastructure, operate facilities, pay vendors and subcontractors and support warranty obligations and, at times, issue payment and performance bonds and other forms of assurance in connection with these contracts.

Specific to Energy Systems Group’s role as a general contractor in the performance contracting industry, as of December 31, 2021, there were 53 open surety bonds supporting future performance with an aggregate face amount of approximately $569 million. Energy Systems Group’s exposure is less than the face amount of the surety bonds and is limited to the level of uncompleted work under the contracts. As of December 31, 2021, approximately 30% of the work was yet to be completed on projects with open surety bonds. Further, various subcontractors issue surety bonds to Energy Systems Group. In addition to these performance obligations, Energy Systems Group also warrants the functionality of certain installed infrastructure generally for one year and the associated energy savings over a specified number of years. As of December 31, 2021, there were 35 warranties totaling $550 million and an additional $1.2 billion in energy savings commitments not guaranteed by Vectren Corp. Since Energy Systems Group’s inception in 1994, CenterPoint Energy believes Energy Systems Group has had a history of generally meeting its performance obligations and energy savings guarantees and its installed products operating effectively. CenterPoint Energy assessed the fair value of its obligation for such guarantees as of December 31, 2021 and no amounts were recorded on CenterPoint Energy’s Consolidated Balance Sheets.

CenterPoint Energy issues parent company level guarantees to certain vendors, customers and other commercial counterparties of Energy Systems Group. These guarantees do not represent incremental consolidated obligations, but rather, represent guarantees of subsidiary obligations to allow those subsidiaries to conduct business without posting other forms of assurance. As of December 31, 2021, CenterPoint Energy, primarily through Vectren, has issued parent company level guarantees supporting Energy Systems Group’s obligations. For those obligations where potential exposure can be estimated, management estimates the maximum exposure under these guarantees to be approximately $514 million as of December 31, 2021. This exposure primarily relates to energy savings guarantees on federal energy savings performance contracts. Other parent company level guarantees, certain of which do not contain a cap on potential liability, have been issued in support of federal operations and maintenance projects for which a maximum exposure cannot be estimated based on the nature of the projects. While there can be no assurance that performance under any of these parent company guarantees will not be required in the future, CenterPoint Energy considers the likelihood of a material amount being incurred as remote.

(d) Guarantees and Product Warranties (CenterPoint Energy and CERC)

On February 24, 2020, CenterPoint Energy, through its subsidiary CERC Corp., entered into the Equity Purchase Agreement to sell the Energy Services Disposal Group. The transaction closed on June 1, 2020. In the normal course of business prior to June 1, 2020, the Energy Services Disposal Group through CES, traded natural gas under supply contracts and entered into natural gas related transactions under transportation, storage and other contracts. In connection with the Energy Services Disposal Group’s business activities prior to the closing of the sale of the Energy Services Disposal Group on June 1, 2020, CERC Corp. issued guarantees to CES’s counterparties to guarantee the payment of CES’s obligations. When CES remained wholly owned by CERC Corp., these guarantees did not represent incremental consolidated obligations, but rather, these guarantees represented guarantees of CES’s obligations to allow it to conduct business without posting other forms of assurance. See Note 4 for further information.

A CERC Corp. guarantee primarily had a one- or two-year term, although CERC Corp. would generally not be released from obligations incurred by CES prior to the termination of such guarantee unless the beneficiary of the guarantee affirmatively released CERC Corp. from its obligations under the guarantee. Throughout CERC Corp.’s ownership of CES and subsequent to the sale of the Energy Services Disposal Group through December 31, 2021, CERC Corp. did not pay any amounts under guarantees of CES’s obligations.

Under the terms of the Equity Purchase Agreement, Symmetry Energy Solutions Acquisition must generally use reasonable best efforts to replace existing CERC Corp. guarantees with credit support provided by a party other than CERC Corp. as of and after the closing of the transaction. Additionally, to the extent that CERC Corp. retains any exposure relating to certain guarantees of CES’s obligations 90 days after closing of the transaction, Symmetry Energy Solutions Acquisition will pay a 3% annualized fee on such exposure, increasing by 1% on an annualized basis every three months. As of December 31, 2020, CES had provided replacement credit support to counterparties to whom CERC Corp. had issued guarantees prior to June 1, 2020, representing all $23 million of the estimated remaining exposure under the previously issued guarantees. CERC believes that counterparties to whom replacement credit support has been provided would seek payment if needed under such replacement credit support instead of a CERC Corp. guarantee. No additional guarantees were provided by CERC Corp. to CES subsequent to the closing of the transaction on June 1, 2020.

If CERC Corp. is required to pay a counterparty under a guarantee in respect of obligations of CES, Symmetry Energy Solutions Acquisition is required to promptly reimburse CERC Corp. for all amounts paid. If Symmetry Energy Solutions Acquisition fails to reimburse CERC Corp., CERC Corp. has the contractual right to seek payment from Shell Energy North America (US), L.P. in an amount up to $40 million in the aggregate. While there can be no assurance that payment under any of these guarantees will not be required in the future, CenterPoint Energy and CERC consider the likelihood of a material amount being incurred as remote.

CenterPoint Energy and CERC recorded no amounts on their respective Consolidated Balance Sheets as of December 31, 2021 and December 31, 2020 related to the performance of these guarantees.

(e) Legal, Environmental and Other Matters

Legal Matters

Minnehaha Academy (CenterPoint Energy and CERC). On August 2, 2017, a natural gas explosion occurred at the Minnehaha Academy in Minneapolis, Minnesota, resulting in the deaths of two school employees, serious injuries to others and significant property damage to the school. CenterPoint Energy, certain of its subsidiaries, including CERC, and the contractor company working in the school were named in wrongful death, property damage and personal injury litigation arising out of the incident and have now reached confidential settlement agreements in all litigation, and all related governmental matters were previously concluded. CenterPoint Energy’s and CERC’s general and excess liability insurance policies provide coverage for third party bodily injury and property damage claims. These matters are now concluded.

Litigation Related to the Merger (CenterPoint Energy). With respect to the Merger, in July 2018, seven separate lawsuits were filed against Vectren and the individual directors of Vectren’s Board of Directors in the U.S. District Court for the Southern District of Indiana. These lawsuits alleged violations of Sections 14(a) of the Exchange Act and SEC Rule 14a-9 on the grounds that the Vectren Proxy Statement filed on June 18, 2018 was materially incomplete because it omitted material information concerning the Merger. The District Court consolidated and subsequently dismissed the lawsuits with prejudice, and the plaintiffs appealed. On September 13, 2021, the U.S. Court of Appeals for the Seventh Circuit affirmed the District Court’s order of dismissal. The plaintiffs did not seek rehearing in the Court of Appeals nor review by the Supreme Court of the United States. This matter is now concluded.

Litigation Related to the February 2021 Winter Storm Event. With respect to the February 2021 Winter Storm Event, CenterPoint Energy and Houston Electric, along with ERCOT, power generation companies, and others, have received claims and lawsuits filed by plaintiffs alleging personal injury, property damage and other injuries and damages. Additionally, various regulatory and governmental entities have announced that they intend to conduct or are conducting inquiries, investigations and other reviews of the February 2021 Winter Storm Event and the efforts made by various entities to prepare for, and respond to, this event, including the electric generation shortfall issues. Such entities include the United States Congress, FERC, NERC, Texas RE, ERCOT, Texas government entities and officials such as the Texas Governor’s office, the Texas Legislature, the Texas Attorney General, the PUCT, the City of Houston and other municipal and county entities in Houston Electric’s service territory, among other entities.

Like other Texas TDUs, Houston Electric has become involved in certain of the above-referenced investigations, litigation or other regulatory and legal proceedings regarding their efforts to restore power and their compliance with NERC, ERCOT and PUCT rules and directives. CenterPoint Energy and Houston Electric have responded to inquiries from the Texas Attorney General and the Galveston County District Attorney’s Office, and CenterPoint Energy and CERC have responded to inquiries from the Arkansas, Minnesota and Oklahoma Attorneys General. CenterPoint Energy and Houston Electric are subject to, and may be further subject to, litigation and claims. Such claims include, or in the future could include, wrongful death, personal

injury and property damage claims, lawsuits for impacts on businesses and other organizations and entities and shareholder claims, among other claims or litigation matters. CenterPoint Energy and Houston Electric, along with numerous other entities, have been named as defendants in such litigation, all of which is now pending in state court as part of a multi-district litigation proceeding. CenterPoint Energy and Houston Electric intend to vigorously defend themselves against the claims raised. CenterPoint Energy, Houston Electric and CERC are unable to predict the consequences of any such matters or to estimate a range of potential losses.

Environmental Matters

MGP Sites. CenterPoint Energy, CERC and their predecessors operated MGPs in the past. In addition, certain of CenterPoint Energy’s subsidiaries acquired through the Merger operated MGPs in the past. The costs CenterPoint Energy or CERC, as applicable, expect to incur to fulfill their respective obligations are estimated by management using assumptions based on actual costs incurred, the timing of expected future payments and inflation factors, among others. While CenterPoint Energy and CERC have recorded all costs which they presently are obligated to incur in connection with activities at these sites, it is possible that future events may require remedial activities which are not presently foreseen, and those costs may not be subject to PRP or insurance recovery.

(i)Minnesota MGPs (CenterPoint Energy and CERC). With respect to certain Minnesota MGP sites, CenterPoint Energy and CERC have completed state-ordered remediation and continue state-ordered monitoring and water treatment. CenterPoint Energy and CERC recorded a liability as reflected in the table below for continued monitoring and any future remediation required by regulators in Minnesota.

(ii)Indiana MGPs (CenterPoint Energy). In the Indiana Gas service territory, the existence, location and certain general characteristics of 26 gas manufacturing and storage sites have been identified for which CenterPoint Energy may have some remedial responsibility. A remedial investigation/feasibility study was completed at one of the sites under an agreed upon order between Indiana Gas and the IDEM, and a Record of Decision was issued by the IDEM in January 2000. The remaining sites have been submitted to the IDEM’s VRP. CenterPoint Energy has also identified its involvement in 5 manufactured gas plant sites in SIGECO’s service territory, all of which are currently enrolled in the IDEM’s VRP. CenterPoint Energy is currently conducting some level of remedial activities, including groundwater monitoring at certain sites.

(iii)Other MGPs (CenterPoint Energy and CERC). In addition to the Minnesota and Indiana sites, the EPA and other regulators have investigated MGP sites that were owned or operated by CenterPoint Energy or CERC or may have been owned by one of their former affiliates.

Total costs that may be incurred in connection with addressing these sites cannot be determined at this time. The estimated accrued costs are limited to CenterPoint Energy’s and CERC’s share of the remediation efforts and are therefore net of exposures of other PRPs. The estimated range of possible remediation costs for the sites for which CenterPoint Energy and CERC believe they may have responsibility was based on remediation continuing for the minimum time frame given in the table below.

	December 31, 2021
	CenterPoint Energy		CERC
	(in millions, except years)
Amount accrued for remediation	$	16	$	11
Minimum estimated remediation costs	11		8
Maximum estimated remediation costs	58		36
Minimum years of remediation	5		30
Maximum years of remediation	50		50

The cost estimates are based on studies of a site or industry average costs for remediation of sites of similar size. The actual remediation costs will depend on the number of sites to be remediated, the participation of other PRPs, if any, and the remediation methods used.

CenterPoint Energy and CERC do not expect the ultimate outcome of these matters to have a material adverse effect on the financial condition, results of operations or cash flows of either CenterPoint Energy or CERC.

Asbestos. Some facilities owned by the Registrants or their predecessors contain or have contained asbestos insulation and other asbestos-containing materials. The Registrants are from time to time named, along with numerous others, as defendants in lawsuits filed by a number of individuals who claim injury due to exposure to asbestos, and the Registrants anticipate that additional claims may be asserted in the future. Although their ultimate outcome cannot be predicted at this time, the Registrants do not expect these matters, either individually or in the aggregate, to have a material adverse effect on their financial condition, results of operations or cash flows.

CCR Rule (CenterPoint Energy). In April 2015, the EPA finalized its CCR Rule, which regulates ash as non-hazardous material under the RCRA. The final rule allows beneficial reuse of ash, and the majority of the ash generated by Indiana Electric’s generating plants will continue to be reused. In July 2018, the EPA released its final CCR Rule Phase I Reconsideration which extended the deadline to October 31, 2020 for ceasing placement of ash in ponds that exceed groundwater protections standards or that fail to meet location restrictions. In August 2019, the EPA proposed additional “Part A” amendments to its CCR Rule with respect to beneficial reuse of ash and other materials. Further “Part B” amendments, which related to alternate liners for CCR surface impoundments and the surface impoundment closure process, were published in March 2020. The Part A amendments were finalized in August 2020 and extended the deadline to cease placement of ash in ponds to April 11, 2021, discussed further below. The EPA published the final Part B amendments in November 2020. The Part A amendments do not restrict Indiana Electric’s current beneficial reuse of its fly ash. CenterPoint Energy evaluated the Part B amendments to determine potential impacts and determined that the Part B amendments did not have an impact on its current plans. Shortly after taking office in January 2021, President Biden signed an executive order requiring agencies to review environmental actions taken by the Trump administration, including the CCR Rule Phase I Reconsideration, the Part A amendments, and the Part B amendments; the EPA has completed its review of the Phase I Reconsideration, Part A amendments, and Part B amendments and determined that the most environmentally protective course is to implement the rules.

Indiana Electric has three ash ponds, two at the F.B. Culley facility (Culley East and Culley West) and one at the A.B. Brown facility. Under the existing CCR Rule, Indiana Electric is required to perform integrity assessments, including ground water monitoring, at its F.B. Culley and A.B. Brown generating stations. The ground water studies are necessary to determine the remaining service life of the ponds and whether a pond must be retrofitted with liners or closed in place. Indiana Electric’s Warrick generating unit is not included in the scope of the CCR Rule as this unit has historically been part of a larger generating station that predominantly serves an adjacent industrial facility. Preliminary groundwater monitoring indicates potential groundwater impacts very close to Indiana Electric’s ash impoundments, and further analysis is ongoing. The CCR Rule required companies to complete location restriction determinations by October 18, 2018. Indiana Electric completed its evaluation and determined that one F.B. Culley pond (Culley East) and the A.B. Brown pond fail the aquifer placement location restriction. As a result of this failure, Indiana Electric was required to cease disposal of new ash in the ponds and commence closure of the ponds by April 11, 2021, unless approved for an extension. CenterPoint Energy has applied for the extensions available under the CCR Rule that would allow Indiana Electric to continue to use the ponds through October 15, 2023. The EPA is still reviewing industry extension requests, including CenterPoint Energy’s extension request. Companies can continue to operate ponds pending completion of the EPA’s evaluation of the requests for extension. If the EPA denies a full extension request, that denial may result in increased and potentially significant operational costs in connection with the accelerated implementation of an alternative ash disposal system or may adversely impact Indiana Electric’s future operations. Failure to comply with a cease waste receipt could also result in an enforcement proceeding, resulting in the imposition of fines and penalties. On April 24, 2019, Indiana Electric received an order from the IURC approving recovery in rates of costs associated with the closure of the Culley West pond, which has already completed closure activities. On August 14, 2019, Indiana Electric filed its petition with the IURC for recovery of costs associated with the closure of the A.B. Brown ash pond, which would include costs associated with the excavation and recycling of ponded ash. This petition was subsequently approved by the IURC on May 13, 2020. On October 28, 2020, the IURC approved Indiana Electric’s ECA proceeding, which included the initiation of recovery of the federally mandated project costs.

Indiana Electric continues to refine site specific estimates of closure costs for its ten-acre Culley East pond. In July 2018, Indiana Electric filed a Complaint for Damages and Declaratory Relief against its insurers seeking reimbursement of defense, investigation and pond closure costs incurred to comply with the CCR Rule, and has since reached confidential settlement agreements with its insurers. The proceeds of these settlements will offset costs that have been and will be incurred to close the ponds.

As of December 31, 2021, CenterPoint Energy has recorded an approximate $90 million ARO, which represents the discounted value of future cash flow estimates to close the ponds at A.B. Brown and F.B. Culley. This estimate is subject to change due to the contractual arrangements; continued assessments of the ash, closure methods, and the timing of closure; implications of Indiana Electric’s generation transition plan; changing environmental regulations; and proceeds received from

the settlements in the aforementioned insurance proceeding. In addition to these removal costs, Indiana Electric also anticipates equipment purchases of between $60 million and $80 million to complete the A.B. Brown closure project.

Clean Water Act Permitting of Groundwater Discharges. In April 2021, the U.S. Supreme Court issued an opinion providing that indirect discharges via groundwater or other non-point sources are subject to permitting and liability under the Clean Water Act when they are the functional equivalent of a direct discharge. The Registrants are evaluating the extent to which this decision will affect Clean Water Act permitting requirements and/or liability for their operations.

Other Environmental. From time to time, the Registrants identify the presence of environmental contaminants during operations or on property where predecessors have conducted operations. Other such sites involving contaminants may be identified in the future. The Registrants have and expect to continue to remediate any identified sites consistent with state and federal legal obligations. From time to time, the Registrants have received notices, and may receive notices in the future, from regulatory authorities or others regarding status as a PRP in connection with sites found to require remediation due to the presence of environmental contaminants. In addition, the Registrants have been, or may be, named from time to time as defendants in litigation related to such sites. Although the ultimate outcome of such matters cannot be predicted at this time, the Registrants do not expect these matters, either individually or in the aggregate, to have a material adverse effect on their financial condition, results of operations or cash flows.

Other Proceedings

The Registrants are involved in other legal, environmental, tax and regulatory proceedings before various courts, regulatory commissions and governmental agencies regarding matters arising in the ordinary course of business. From time to time, the Registrants are also defendants in legal proceedings with respect to claims brought by various plaintiffs against broad groups of participants in the energy industry. Some of these proceedings involve substantial amounts. The Registrants regularly analyze current information and, as necessary, provide accruals for probable and reasonably estimable liabilities on the eventual disposition of these matters. The Registrants do not expect the disposition of these matters to have a material adverse effect on the Registrants’ financial condition, results of operations or cash flows.

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Earnings Per Share (CenterPoint Energy)

12 Months Ended

Dec. 31, 2021

Earnings Per Share [Abstract]

Earnings Per Share (CenterPoint Energy)

Earnings Per Share (CenterPoint Energy)

The Series C Preferred Stock issued in May 2020 were considered participating securities since these shares participated in dividends on Common Stock on a pari passu, pro rata, as-converted basis. As a result, beginning June 30, 2020, earnings per share on Common Stock was computed using the two-class method required for participating securities during the periods the Series C Preferred Stock was outstanding. As of May 7, 2021, all of the remaining outstanding Series C Preferred Stock were converted into shares of Common Stock and earnings per share on Common Stock and, as such, the two-class method was no longer applicable beginning June 30, 2021.

The two-class method uses an earnings allocation formula that treats participating securities as having rights to earnings that otherwise would have been available only to common shareholders. Under the two-class method, income (loss) available to common shareholders from continuing operations is derived by subtracting the following from income (loss) from continuing operations:

•preferred share dividend requirement;

•deemed dividends for the amortization of the beneficial conversion feature recognized at issuance of the Series C Preferred Stock; and

•an allocation of undistributed earnings to preferred shareholders of participating securities (Series C Preferred Stock) based on the securities’ right to receive dividends.

Undistributed earnings are calculated by subtracting dividends declared on Common Stock, the preferred share dividend requirement and deemed dividends for the amortization of the beneficial conversion feature from net income. Net losses are not allocated to the Series C Preferred Stock as it does not have a contractual obligation to share in the losses of CenterPoint Energy.

The Series C Preferred Stock included conversion features at a price that were below the fair value of the Common Stock on the commitment date. This beneficial conversion feature, which was approximately $32 million, represents the difference between the fair value per share of the Common Stock as of the commitment date and the conversion price, multiplied by the number of common shares issuable upon conversion. The beneficial conversion feature was recognized as a discount to Series C Preferred Stock and was amortized as a deemed dividend over the period from the issue date to the first allowable conversion date, which was November 6, 2020.

Basic earnings per common share is computed by dividing income available to common shareholders from continuing operations by the basic weighted average number of common shares outstanding during the period. Participating securities are excluded from basic weighted average number of common shares outstanding. Diluted earnings per common share is computed by dividing income available to common shareholders from continuing operations by the weighted average number of common shares outstanding, including all potentially dilutive common shares, if the effect of such common shares is dilutive.

Diluted earnings per share reflects the dilutive effect of potential common shares from share-based awards and convertible preferred shares. The dilutive effect of the restricted stock, Series B Preferred Stock and Series C Preferred Stock is computed using the if-converted method, which assumes conversion of the restricted stock, Series B Preferred Stock and Series C Preferred Stock at the beginning of the period, giving income recognition for the add-back of the preferred share dividends, amortization of beneficial conversion feature, and undistributed earnings allocated to preferred shareholders. The dilutive effect of restricted stock is computed using the treasury stock method, as applicable, which includes the incremental shares that would be hypothetically vested in excess of the number of shares assumed to be hypothetically repurchased with the assumed proceeds.

The following table reconciles numerators and denominators of CenterPoint Energy’s basic and diluted earnings per common share. Basic earnings per common share is determined by dividing Income available to common shareholders - basic by the Weighted average common shares outstanding - basic for the applicable period. Diluted earnings per common share is determined by the inclusion of potentially dilutive common stock equivalent shares that may occur if securities to issue Common Stock were exercised or converted into Common Stock.

	For the Year Ended December 31,
	2021		2020		2019
	(in millions, except per share and share amounts)
Numerator:
Income from continuing operations	$	668	$	483	$	515
Less: Preferred stock dividend requirement (Note 13)	95		144		117
Less: Amortization of beneficial conversion feature (Note 13)	—		32		—
Less: Undistributed earnings allocated to preferred shareholders (1)	—		—		—
Income available to common shareholders from continuing operations - basic and diluted	573		307		398
Income (loss) available to common shareholders from discontinued operations - basic and diluted	818		(1,256)		276
Income (loss) available to common shareholders - basic and diluted	$	1,391	$	(949)	$	674
Denominator:
Weighted average common shares outstanding - basic	592,933,000		531,031,000		502,050,000
Plus: Incremental shares from assumed conversions:
Restricted stock	5,181,000		—		3,107,000
Series C Preferred Stock (3)	11,824,000		—		—
Weighted average common shares outstanding - diluted	609,938,000		531,031,000		505,157,000
Anti-dilutive Incremental Shares Excluded from Denominator for Diluted Earnings (Loss) Computation:
Restricted stock	—		3,690,000		—
Series B Preferred Stock (2)	23,906,000		35,922,000		34,354,000
Series C Preferred Stock (3)	—		23,807,000		—

	For the Year Ended December 31,
	2021		2020		2019
	(in millions, except per share and share amounts)
Earnings (loss) per common share:
Basic earnings per common share - continuing operations	$	0.97	$	0.58	$	0.79
Basic earnings (loss) per common share - discontinued operations	1.38		(2.37)		0.55
Basic Earnings (Loss) Per Common Share	$	2.35	$	(1.79)	$	1.34
Diluted earnings per common share - continuing operations	$	0.94	$	0.58	$	0.79
Diluted earnings (loss) per common share - discontinued operations	1.34		(2.37)		0.54
Diluted Earnings (Loss) Per Common Share	$	2.28	$	(1.79)	$	1.33

(1)There were no undistributed earnings to be allocated to participating securities for the years ended December 31, 2021 and 2020.

(2)As of December 31, 2021, all of the outstanding Series B Preferred Stock have been converted into Common Stock. For further information, see Note 13.

(3)As of December 31, 2021, all of the outstanding Series C Preferred Stock have been converted into Common Stock. For further information, see Note 13.

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Reportable Segments

12 Months Ended

Dec. 31, 2021

Segment Reporting [Abstract]

Reportable Segments

(18) Reportable Segments

The Registrants’ determination of reportable segments considers the strategic operating units under which its CODM manages sales, allocates resources and assesses performance of various products and services to wholesale or retail customers in differing regulatory environments. Each Registrant’s CODM views net income as the measure of profit or loss for the reportable segments. Certain prior year amounts have been reclassified for assets held for sale and discontinued operations as described below. Additionally, in 2021 CenterPoint Energy transferred certain assets previously recorded in Corporate and Other directly into the reportable segments that received the benefits of such assets, and prior year amounts were reclassified.

As of December 31, 2021, reportable segments by Registrant are as follows:

CenterPoint Energy

•CenterPoint Energy’s Electric reportable segment consisted of electric transmission and distribution services in the Texas gulf coast area and electric transmission and distribution services primarily to southwestern Indiana and includes power generation and wholesale power operations.

•CenterPoint Energy’s Natural Gas reportable segment consisted of (i) intrastate natural gas sales to, and natural gas transportation and distribution for residential, commercial, industrial and institutional customers in Arkansas, Indiana, Louisiana, Minnesota, Mississippi, Ohio, Oklahoma and Texas; (ii) permanent pipeline connections through interconnects with various interstate and intrastate pipeline companies through CEIP.

CenterPoint Energy’s Corporate and Other consists of energy performance contracting and sustainable infrastructure services through Energy Systems Group and other corporate operations which support all of the business operations of CenterPoint Energy.

Houston Electric

•Houston Electric’s single reportable segment consisted of electric transmission services to transmission service customers in the ERCOT region and distribution services to REPs in the Texas gulf coast area.

CERC

•CERC’s single reportable segment consisted of (i) intrastate natural gas sales to, and natural gas transportation and distribution for residential, commercial, industrial and institutional customers in Arkansas, Louisiana, Minnesota, Mississippi, Oklahoma and Texas; and (ii) permanent pipeline connections through interconnects with various interstate and intrastate pipeline companies through CEIP.

Expenditures for long-lived assets include property, plant and equipment. Intersegment sales are eliminated in consolidation, except as described in Note 2(b).

Financial data for reportable segments is as follows, including Corporate and Other and Discontinued Operations for reconciliation purposes:

CenterPoint Energy

	Revenues from External Customers		Depreciation and Amortization		Interest Income (1)		Interest Expense		Income Tax Expense (Benefit)		Net Income (Loss)
	(in millions)
For the year ended December 31, 2021:
Electric	$	3,763	$	756	$	—	$	(226)	$	95	$	475
Natural Gas	4,336		502		1		(141)		80		403
Corporate and Other	253		58		118		(278)		(65)		(210)
Eliminations	—		—		(116)		116		—		—
Continuing Operations	$	8,352	$	1,316	$	3	$	(529)	$	110	668
Discontinued Operations, net											818
Consolidated											$	1,486
For the year ended December 31, 2020:
Electric	$	3,470	$	670	$	3	$	(220)	$	72	$	230
Natural Gas	3,631		473		8		(153)		125		278
Corporate and Other	317		46		104		(267)		(117)		(25)
Eliminations	—		—		(111)		111		—		—
Continuing Operations	$	7,418	$	1,189	$	4	$	(529)	$	80	483
Discontinued Operations, net											(1,256)
Consolidated											$	(773)
For the year ended December 31, 2019:
Electric	$	3,519	$	746	$	27	$	(225)	$	96	$	419
Natural Gas	3,750		439		6		(144)		2		251
Corporate and Other	295		40		134		(343)		(68)		(155)
Eliminations	—		—		(145)		145		—		—
Continuing Operations	$	7,564	$	1,225	$	22	$	(567)	$	30	515
Discontinued Operations, net											276
Consolidated											$	791

(1) Interest income from Securitization Bonds of less than $1 million, $1 million and $5 million for the years ended December 31, 2021, 2020 and 2019, respectively, is included in Other income, net on CenterPoint Energy’s and Houston Electric’s respective Statements of Consolidated Income.

	Total Assets				Expenditures for Long-lived Assets
	December 31,				December 31,
	2021		2020		2021		2020		2019
	(in millions)
Electric	$	16,439	$	14,516	$	2,008	$	1,281	$	1,216
Natural Gas	16,153		15,041		1,178		1,139		1,098
Corporate and Other, net of eliminations (1)	2,749		3,132		42		95		194
Continuing Operations	35,341		32,689		3,228		2,515		2,508
Assets Held for Sale/Discontinued Operations	2,338		782		171		21		79
Consolidated	$	37,679	$	33,471	$	3,399	$	2,536	$	2,587

(1)Total assets included pension and other postemployment-related regulatory assets of $427 million and $540 million as of December 31, 2021 and 2020, respectively.

Assets Held for Sale and Discontinued Operations (CenterPoint Energy and CERC)

CenterPoint Energy’s Midstream Investments reportable segment presented in the Registrants’ combined 2020 Form 10-K consisted of the equity investment in Enable (excluding the Enable Series A Preferred Units). In September 2021, CenterPoint Energy’s equity investment in Enable met the held for sale criteria and is reflected as discontinued operations, and as a result this reportable segment is not reflected in the financial data for reportable segments. See Notes 4 and 11 for further information regarding CenterPoint Energy’s equity investment in Enable as held for sale and discontinued operations and the completed Enable Merger.

On February 3, 2020, CenterPoint Energy, through its subsidiary VUSI, entered into the Securities Purchase Agreement to sell the Infrastructure Services Disposal Group, which consisted of underground pipeline construction and repair services. Accordingly, the previously reported Infrastructure Services reportable segment has been eliminated. The transaction closed on April 9, 2020. See Note 4 for further information. Additionally, on February 24, 2020, CenterPoint Energy, through its subsidiary CERC Corp., entered into the Equity Purchase Agreement to sell the Energy Services Disposal Group, which consisted of non-rate regulated natural gas sales and service operations. Accordingly, the previously reported Energy Services reportable segment has been eliminated. The transaction closed on June 1, 2020. See Note 4 for further information.

On April 29, 2021, CenterPoint Energy, through its subsidiary CERC Corp., entered into an Asset Purchase Agreement to sell its Arkansas and Oklahoma Natural Gas businesses. The Arkansas and Oklahoma Natural Gas businesses are reflected in CenterPoint Energy’s Natural Gas reportable segment and CERC’s single reportable segment, as applicable, and are classified as held for sale as of December 31, 2021. On January 10, 2022, CERC Corp. completed the sale of its Arkansas and Oklahoma Natural Gas businesses. See Note 4 for further information.

On August 31, 2021, CenterPoint Energy, through its subsidiary CERC Corp., completed the sale of MES to Last Mile Energy. See Note 4 for further information.

Houston Electric

Houston Electric consists of a single reportable segment; therefore, a tabular reportable segment presentation has not been

included.

CERC

CERC consists of a single reportable segment; therefore, a tabular reportable segment presentation has not been included.

Major Customers (CenterPoint Energy and Houston Electric)

Houston Electric’s revenues from major external customers are as follows:

	Year Ended December 31,
	2021		2020		2019
	(in millions)
Affiliates of NRG	$	905	$	749	$	727
Affiliates of Vistra Energy Corp.	410		404		263

Revenues by Products and Services

	Year Ended December 31,
	2021						2020						2019
Revenues by Products and Services:	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Electric delivery	$	3,158	$	3,134	$	—	$	2,941	$	2,911	$	—	$	3,019	$	2,990	$	—
Retail electric sales	559		—		—		515		—		—		486		—		—
Wholesale electric sales	46		—		—		14		—		—		14		—		—
Retail gas sales	4,157		—		3,069		3,462		—		2,594		3,563		—		2,831
Gas transportation and processing	12		—		12		15		—		15		33		—		33
Energy products and services	420		—		167		471		—		154		449		—		154
Total	$	8,352	$	3,134	$	3,248	$	7,418	$	2,911	$	2,763	$	7,564	$	2,990	$	3,018

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Supplemental Disclosure of Cash Flow Information

12 Months Ended

Dec. 31, 2021

Supplemental Cash Flow Elements [Abstract]

Supplemental Disclosure of Cash Flow Information

(19) Supplemental Disclosure of Cash Flow Information

CenterPoint Energy and CERC elected not to separately disclose discontinued operations on their respective Condensed Statements of Consolidated Cash Flows. The table below provides supplemental disclosure of cash flow information and does not exclude the Infrastructure Services and Energy Services Disposal Groups prior to the closing of the respective transactions.

The tables below provide supplemental disclosure of cash flow information:

	2021						2020						2019
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Cash Payments/Receipts:
Interest, net of capitalized interest	$	489	$	208	$	99	$	471	$	201	$	114	$	436	$	229	$	109
Income tax payments (refunds), net	(46)		20		4		143		65		4		155		87		7
Non-cash transactions:
Accounts payable related to capital expenditures	370		261		103		153		102		69		236		117		86
Fair Value of Energy Transfer Common Units received for Enable Merger	1,672		—		—		—		—		—		—		—		—
Fair Value of Energy Transfer Series G Preferred Units received for Enable Merger	385		—		—		—		—		—		—		—		—
ROU assets obtained in exchange for lease liabilities (1)	2		—		—		15		1		5		44		1		29
Beneficial conversion feature	—		—		—		32		—		—		—		—		—
Amortization of beneficial conversion feature	—		—		—		(32)		—		—		—		—		—
Capital distribution associated with the Internal Spin (2)	—		—		—		—		—		—		—		—		28

(1)Includes the transition impact of adoption of ASU 2016-02 Leases as of January 1, 2019. The Registrants elected not to recast comparative periods in the year of adoption as permitted by the standard.

(2)The capital distribution in 2019 is the result of the finalization of the previously estimated net deferred tax assets and liabilities distributed as part of the Internal Spin.

The table below provides a reconciliation of cash, cash equivalents and restricted cash reported in the Consolidated Balance Sheets to the amount reported in the Statements of Consolidated Cash Flows:

	December 31, 2021						December 31, 2020
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Cash and cash equivalents (1)	$	230	$	214	$	8	$	147	$	139	$	1
Restricted cash included in Prepaid expenses and other current assets	24		19		—		20		15		—
Total cash, cash equivalents and restricted cash shown in Statements of Consolidated Cash Flows	$	254	$	233	$	8	$	167	$	154	$	1

(1)Houston Electric’s Cash and cash equivalents as of December 31, 2021 and 2020 included $92 million and $139 million, respectively, of cash related to the Bond Companies.

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Related Party Transactions (Houston Electric and CERC)

12 Months Ended

Dec. 31, 2021

Related Party Transactions [Abstract]

Related Party Transactions (Houston Electric and CERC)

Related Party Transactions (Houston Electric and CERC)

Houston Electric and CERC participate in a money pool through which they can borrow or invest on a short-term basis. Funding needs are aggregated and external borrowing or investing is based on the net cash position. The net funding requirements of the money pool are expected to be met with borrowings under CenterPoint Energy’s revolving credit facility or the sale of CenterPoint Energy’s commercial paper. 

The table below summarizes money pool activity:

	December 31, 2021						December 31, 2020
	Houston Electric			CERC			Houston Electric			CERC
	(in millions, except interest rates)
Money pool investments (borrowings) (1)	$	(512)		$	(224)		$	(8)		$	—
Weighted average interest rate	0.34		%	0.34		%	0.24		%	0.24		%

(1)Included in Accounts and notes receivable (payable)–affiliated companies in Houston Electric’s and CERC’s Consolidated Balance Sheets.

Houston Electric and CERC affiliate-related net interest income (expense) were as follows:

	Year Ended December 31,
	2021				2020				2019
	Houston Electric		CERC		Houston Electric		CERC		Houston Electric		CERC
	(in millions)
Interest income (expense), net (1)	$	—	$	—	$	—	$	—	$	18	$	4

(1)Interest income is included in Other, net and interest expense is included in Interest and other finance charges on Houston Electric’s and CERC’s respective Statements of Consolidated Income.

CenterPoint Energy provides some corporate services to Houston Electric and CERC. The costs of services have been charged directly to Houston Electric and CERC using methods that management believes are reasonable. These methods include negotiated usage rates, dedicated asset assignment and proportionate corporate formulas based on operating expenses, assets, gross margin, employees and a composite of assets, gross margin and employees. Houston Electric provides certain services to CERC. These services are billed at actual cost, either directly or as an allocation and include fleet services, shop services, geographic services, surveying and right-of-way services, radio communications, data circuit management and field operations. Additionally, CERC provides certain services to Houston Electric. These services are billed at actual cost, either directly or as an allocation and include line locating and other miscellaneous services. These charges are not necessarily indicative of what would have been incurred had Houston Electric and CERC not been affiliates.

The Infrastructure Services Disposal Group provided pipeline construction and repair services to CERC’s Natural Gas. Additionally, CERC, through the Energy Services Disposal Group, sold natural gas to Indiana Electric for use in electric

generation activities. These transactions are now included in discontinued operations and are excluded from the disclosures below. See Note 4 for further information.

Amounts charged for these services are included primarily in Operation and maintenance expenses:

	Year Ended December 31,
	2021				2020				2019
	Houston Electric		CERC		Houston Electric		CERC		Houston Electric		CERC
	(in millions)
Corporate service charges	$	189	$	216	$	197	$	212	$	177	$	141
Net affiliate service charges (billings)	(7)		7		(16)		16		(8)		8

The table below presents transactions among Houston Electric, CERC and their parent, Utility Holding.

	Year Ended December 31,
	2021				2020				2019
	Houston Electric		CERC		Houston Electric		CERC		Houston Electric		CERC
	(in millions)
Cash dividends paid to parent	$	—	$	—	$	551	$	80	$	376	$	120
Cash contribution from parent	130		180		62		217		590		129
Capital distribution to parent associated with the sale of CES	—		—		—		286		—		—
Capital distribution to parent associated with the Internal Spin (1)	—		—		—		—		—		28
Property, plant and equipment from parent (2)	—		—		36		23		—		—

(1)The capital distribution in 2019 associated with the Internal Spin is a result of the return to accrual for the periods of CERC’s ownership during 2018.

(2)Property, plant and equipment purchased from CenterPoint Energy at its net carrying value on the date of purchase.

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Leases

12 Months Ended

Dec. 31, 2021

Leases [Abstract]

Leases

Leases

An arrangement is determined to be a lease at inception based on whether the Registrant has the right to control the use of an identified asset. ROU assets represent the Registrants’ right to use the underlying asset for the lease term and lease liabilities represent the Registrants’ obligation to make lease payments arising from the lease. ROU assets and liabilities are recognized at the lease commencement date based on the present value of lease payments over the lease term, including payments at commencement that depend on an index or rate. Most leases in which the Registrants are the lessee do not have a readily determinable implicit rate, so an incremental borrowing rate, based on the information available at the lease commencement date, is utilized to determine the present value of lease payments. When a secured borrowing rate is not readily available, unsecured borrowing rates are adjusted for the effects of collateral to determine the incremental borrowing rate. Each Registrant uses the implicit rate for agreements in which it is a lessor. Lease income and expense for operating leases and ROU amortization for finance leases are recognized on a straight-line basis over the lease term.

The Registrants have lease agreements with lease and non-lease components and have elected the practical expedient to combine lease and non-lease components for certain classes of leases, such as office buildings and mobile generators. For classes of leases in which lease and non-lease components are not combined, consideration is allocated between components based on the stand-alone prices. Sublease income is not significant to the Registrants.

The Registrants’ lease agreements do not contain any material residual value guarantees, material restrictions or material covenants. There are no material lease transactions with related parties. Agreements in which the Registrants are lessors do not include provisions for the lessee to purchase the assets. Because risk is minimal, the Registrants do not take any significant actions to manage risk associated with the residual value of their leased assets.

The Registrants’ operating lease agreements are primarily equipment and real property leases, including land and office facility leases. CenterPoint Energy and Houston Electric also have finance lease agreements for mobile generators. The Registrants’ lease terms may include options to extend or terminate a lease when it is reasonably certain that those options will

be exercised. The Registrants have elected an accounting policy that exempts leases with terms of one year or less from the recognition requirements of ASC 842.

In 2021 Houston Electric entered into two lease agreements for mobile generation: (1) a temporary short-term lease and (2) a long-term lease. The short-term lease agreement allows Houston Electric to take delivery of mobile generation assets on a short-term basis with a term ending in the third quarter of 2022. Per Houston Electric’s short term lease accounting policy election, a ROU asset and lease liability are not reflected on Houston Electric’s Consolidated Balance Sheets. Expenses associated with the short-term lease, including carrying costs, are deferred to a regulatory asset and totaled $20 million as of December 31, 2021.

The long-term lease agreement includes up to 505 MW of mobile generation of which 125 MW was delivered by December 31, 2021, triggering lease commencement at delivery, and has an initial term ending in 2029. Houston Electric derecognized the finance lease liability when the extinguishment criteria in Topic 405 - Liabilities were achieved. Per the terms of the agreement, lease payments are due and made in full by Houston Electric upon taking possession of the asset, relieving substantially all of the associated finance lease liability as of December 31, 2021. The remaining finance lease liability associated with the commenced long-term mobile generation agreement was not significant as of December 31, 2021 and relates to removal costs that will be incurred at the end of the lease term. The lease agreement provides Houston Electric a right to terminate between October 2022 and March 2023 if a regulatory event or ruling creates a material adverse condition, which is not reasonably certain to occur. If the right to terminate is elected, seventy-five percent (75%) of Houston Electric’s prorated prepaid lease costs would be refunded. Houston Electric made payments under the long-term lease agreement for the 125 MW of mobile generation that was delivered during 2021 into an escrow account, not controlled by Houston Electric, and the funds will be released when the lessor provides Houston Electric with the required information to secure a first lien on the generation equipment.

Houston Electric will also incur variable costs throughout the lease term for the operation and maintenance of the generators. Lease costs, including variable and ROU asset amortization costs, are deferred to Regulatory assets as incurred as a recoverable cost under the 2021 Texas legislation. Houston Electric intends to seek recovery in its DCRF of deferred costs, lease payments, and applicable return, which approximate $200 million under the mobile generation agreements in 2021.

The components of lease cost, included in Operation and maintenance expense on the Registrants’ respective Statements of Consolidated Income, are as follows:

	Year Ended December 31, 2021						Year Ended December 31, 2020
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Operating lease cost	$	8	$	1	$	4	$	9	$	—	$	5
Short-term lease cost	119		118		—		14		12		—
Total lease cost (1)	$	127	$	119	$	4	$	23	$	12	$	5

(1) CenterPoint Energy and Houston Electric defer finance lease costs for mobile generation to Regulatory assets for recovery rather than to Depreciation and Amortization in the Statements of Consolidated Income.

The components of lease income were as follows:

	Year Ended December 31, 2021						Year Ended December 31, 2020
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Operating lease income	$	6	$	1	$	3	$	5	$	—	$	2
Variable lease income	1		—		—		1		—		—
Total lease income	$	7	$	1	$	3	$	6	$	—	$	2

Supplemental balance sheet information related to leases was as follows:

	December 31, 2021									December 31, 2020
	CenterPoint Energy			Houston Electric			CERC			CenterPoint Energy			Houston Electric			CERC
	(in millions, except lease term and discount rate)
Assets:
Operating ROU assets (1)	$	22		$	1		$	12		$	31		$	1		$	19
Finance ROU assets (2)	179			179			—			—			—			—
Total leased assets	$	201		$	180		$	12		$	31		$	1		$	19
Liabilities:
Current operating lease liability (3)	$	6		$	1		$	2		$	6		$	—		$	3
Non-current operating lease liability (4)	17			—			11			26			1			18
Total leased liabilities (5)	$	23		$	1		$	13		$	32		$	1		$	21
Weighted-average remaining lease term (in years) - operating leases	6.2			4.1			6.5			6.0			4.0			7.5
Weighted-average discount rate - operating leases	3.10		%	2.86		%	3.20		%	3.14		%	2.59		%	3.36		%
Weighted-average remaining lease term (in years) - finance leases	7.5			7.5			—			—			—			—
Weighted-average discount rate - finance leases	2.21		%	2.21		%	—			—			—			—

(1)Reported within Other assets in the Registrants’ respective Consolidated Balance Sheets.

(2)Reported within Property, Plant and Equipment in the Registrants’respective Consolidated Balance Sheets. Finance lease assets are recorded net of accumulated amortization.

(3)Reported within Current other liabilities in the Registrants’ respective Consolidated Balance Sheets.

(4)Reported within Other liabilities in the Registrants’ respective Consolidated Balance Sheets.

(5)Finance lease liabilities were not material as of December 31, 2021 or 2020 and are reported within Other long-term debt in the Registrants’ respective Consolidated Balance Sheets when applicable.

As of December 31, 2021, finance lease liabilities were not significant to the Registrants. As of December 31, 2021, maturities of operating lease liabilities were as follows:

	CenterPoint  Energy		Houston  Electric		CERC
	(in millions)
2022	$	6	$	1	$	3
2023	5		—		2
2024	3		—		2
2025	3		—		2
2026	3		—		2
2027 and beyond	5		—		3
Total lease payments	25		1		14
Less: Interest	2		—		1
Present value of lease liabilities	$	23	$	1	$	13

As of December 31, 2021, future minimum finance lease payments were not significant to the Registrants, exclusive of approximately $496 million of legally-binding undiscounted minimum lease payments for finance leases for approximately 380 MW of mobile generation leases signed but not yet commenced. As of December 31, 2021, maturities of undiscounted operating lease payments to be received are as follows:

	CenterPoint  Energy		Houston  Electric		CERC
	(in millions)
2022	$	5	$	—	$	3
2023	5		—		3
2024	5		—		3
2025	6		—		3
2026	6		—		4
2027 and beyond	142		—		136
Total lease payments to be received	$	169	$	—	$	152

Other information related to leases is as follows:

	Year Ended December 31, 2021
	CenterPoint  Energy		Houston Electric		CERC
	(in millions)
Operating cash flows from operating leases included in the measurement of lease liabilities	$	6	$	1	$	3
Financing cash flows from finance leases included in the measurement of lease liabilities	179		179		—

See Note 19 for information on ROU assets obtained in exchange for operating lease liabilities.

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Subsequent Events

12 Months Ended

Dec. 31, 2021

Subsequent Events [Abstract]

Subsequent Events

Subsequent Events

Completion of Sale of Arkansas and Oklahoma Natural Gas businesses (CenterPoint Energy and CERC)

On January 10, 2022, CERC Corp. completed the sale of its Arkansas and Oklahoma Natural Gas businesses. For additional information, see Note 4.

CERC Dividend

On February 11, 2022, CERC paid a dividend of $720 million to its parent, Utility Holding.

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Summary of Significant Accounting Policies (Policies)

12 Months Ended

Dec. 31, 2021

Accounting Policies [Abstract]

Use of Estimates

Use of EstimatesThe preparation of financial statements in conformity with generally accepted accounting principles requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, disclosure of contingent assets and liabilities at the date of the financial statements, and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.

Principles of Consolidation

Principles of Consolidation

The accounts of the Registrants and their wholly-owned and majority-owned and controlled subsidiaries are included in the consolidated financial statements. All intercompany transactions and balances are eliminated in consolidation, except as described below.

Businesses within the Infrastructure Services Disposal Group provided underground pipeline construction and repair services for customers that included Natural Gas utilities. In accordance with consolidation guidance in ASC 980—Regulated Operations, costs incurred by Natural Gas utilities for these pipeline construction and repair services were not eliminated in consolidation when capitalized and included in rate base by the Natural Gas utility. On February 3, 2020, CenterPoint Energy, through its subsidiary VUSI, entered into the Securities Purchase Agreement to sell the Infrastructure Services Disposal Group. The transaction closed on April 9, 2020. For further information, see Note 4.

As of December 31, 2021, CenterPoint Energy and Houston Electric had VIEs consisting of the Bond Companies, which are consolidated. The consolidated VIEs are wholly-owned, bankruptcy remote special purpose entities that were formed solely for the purpose of securitizing transition and system restoration related property. Creditors of CenterPoint Energy and Houston Electric have no recourse to any assets or revenues of the Bond Companies. The bonds issued by these VIEs are payable only from and secured by transition and system restoration property and the bondholders have no recourse to the general credit of CenterPoint Energy or Houston Electric.

Equity Method and Investments Without a Readily Determinable Fair Value (CenterPoint Energy)

Equity Method and Investments without a Readily Determinable Fair Value (CenterPoint Energy)

CenterPoint Energy uses the equity method for investments in entities when it exercises significant influence, does not have control and is not considered the primary beneficiary, if applicable. Generally, equity investments in limited partnerships with interest greater than approximately 3-5% is accounted for under the equity method.

Under the equity method, CenterPoint Energy adjusts its investments each period for contributions made, distributions received, respective shares of comprehensive income and amortization of basis differences, as appropriate. CenterPoint Energy evaluates its equity method investments for impairment when events or changes in circumstances indicate there is a loss in value of the investment that is other than a temporary decline.

CenterPoint Energy considers distributions received from equity method investments which do not exceed cumulative equity in earnings subsequent to the date of investment to be a return on investment and classifies these distributions as operating activities in its Statements of Consolidated Cash Flows. CenterPoint Energy considers distributions received from equity method investments in excess of cumulative equity in earnings subsequent to the date of investment to be a return of investment and classifies these distributions as investing activities in its Statements of Consolidated Cash Flows.

Investments without a readily determinable fair value will be measured at cost, less impairment, plus or minus observable prices changes of an identical or similar investment of the same issuer.

Revenues

RevenuesThe Registrants record revenue for electricity delivery and natural gas sales and services under the accrual method and these revenues are recognized upon delivery to customers. Electricity deliveries not billed by month-end are accrued based on actual AMS/AMI data, supply volumes, estimated line loss and applicable tariff rates. Natural gas sales not billed by month-end are accrued based upon estimated purchased gas volumes, estimated lost and unaccounted for gas and currently effective tariff rates. For further discussion, see Note 5.

MISO Transactions

MISO TransactionsIndiana Electric is a member of the MISO. MISO-related purchase and sale transactions are recorded using settlement information provided by the MISO. These purchase and sale transactions are accounted for on at least a net hourly position, meaning net purchases within that interval are recorded on CenterPoint Energy’s Statements of Consolidated Income in Utility natural gas, fuel and purchased power, and net sales within that interval are recorded on CenterPoint Energy’s Statements of Consolidated Income in Utility revenues. On occasion, prior period transactions are resettled outside the routine process due to a change in the MISO’s tariff or a material interpretation thereof. Expenses associated with resettlements are recorded once the resettlement is probable and the resettlement amount can be estimated. Revenues associated with resettlements are recognized when the amount is determinable and collectability is reasonably assured.

Guarantees

GuaranteesCenterPoint Energy recognizes guarantee obligations at fair value. CenterPoint Energy discloses parent company guarantees of a subsidiary’s obligation when that guarantee results in the exposure of a material obligation of the parent company even if the probability of fulfilling such obligation is considered remote. See Note 16(c) and (d).

Long-lived Assets, Goodwill and Intangibles

Long-lived Assets, Goodwill and Intangibles

The Registrants record property, plant and equipment at historical cost and expense repair and maintenance costs as incurred.

The Registrants periodically evaluate long-lived assets, including property, plant and equipment, and specifically identifiable intangibles subject to amortization, when events or changes in circumstances indicate that the carrying value of these assets may not be recoverable. For rate regulated businesses, recoverability of long-lived assets is assessed by determining if a capital disallowance from a regulator is probable through monitoring the outcome of rate cases and other proceedings. For non-rate regulated businesses, recoverability is assessed based on an estimate of undiscounted cash flows attributable to the assets compared to the carrying value of the assets. No long-lived asset or intangible asset impairments were recorded in 2021, 2020 or 2019.

CenterPoint Energy and CERC perform goodwill impairment tests at least annually and evaluate goodwill when events or changes in circumstances indicate that its carrying value may not be recoverable. CenterPoint Energy and CERC recognize a goodwill impairment by the amount a reporting unit’s carrying value exceeds its fair value, not to exceed the carrying amount of goodwill within that reporting unit. CenterPoint Energy includes deferred tax assets and liabilities within its reporting unit’s carrying value for the purposes of annual and interim impairment tests, regardless of whether the estimated fair value reflects the disposition of such assets and liabilities.

Assets Held for Sale and Discontinued Operations

Assets Held for Sale and Discontinued OperationsGenerally, a long-lived asset to be sold is classified as held for sale in the period in which management, with approval from the Board of Directors, as applicable, commits to a plan to sell and a sale is expected to be completed within one year. The Registrants record assets and liabilities held for sale at the lower of their carrying value or their estimated fair value less cost to sell. If the disposal group reflects a component of a reporting unit and meets the definition of a business, the goodwill within that reporting unit is allocated to the disposal group based on the relative fair value of the components representing a business that will be retained and disposed. Goodwill is not allocated to a portion of a reporting unit that does not meet the definition of a business. A disposal group that meets the held for sale criteria and also represents a strategic shift to the Registrant, is also reflected as discontinued operations on the Statements of Consolidated Income, and prior periods are recast to reflect the earnings or losses from such businesses as income from discontinued operations, net of tax.

Regulatory Assets and Liabilities

Regulatory Assets and LiabilitiesThe Registrants apply the guidance for accounting for regulated operations within the Electric reportable segment and the Natural Gas reportable segment. The Registrants’ rate-regulated subsidiaries may collect revenues subject to refund pending final determination in rate proceedings. In connection with such revenues, estimated rate refund liabilities are recorded which reflect management’s current judgment of the ultimate outcomes of the proceedings. The Registrants’ rate-regulated businesses recognize removal costs as a component of depreciation expense in accordance with regulatory treatment. In addition, a portion of the amount of removal costs collected from customers that relate to AROs has been reflected as an asset retirement liability in accordance with accounting guidance for AROs.

Depreciation and Amortization Expense

Depreciation and Amortization ExpenseThe Registrants compute depreciation and amortization using the straight-line method based on economic lives or regulatory-mandated recovery periods. Amortization expense includes amortization of certain regulatory assets and other intangibles.

Capitalization of Interest and AFUDC

Capitalization of Interest and AFUDC

The Registrants capitalize interest and AFUDC as a component of projects under construction and amortize it over the assets’ estimated useful lives once the assets are placed in service. AFUDC represents the composite interest cost of borrowed funds and a reasonable return on the equity funds used for construction for subsidiaries that apply the guidance for accounting for regulated operations. Although AFUDC increases both utility plant and earnings, it is realized in cash when the assets are included in rates.

	Year Ended December 31,
	2021						2020						2019
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Interest and AFUDC debt (1)	$	34	$	13	$	2	$	27	$	8	$	3	$	36	$	8	$	3
AFUDC equity (2)	28		20		3		25		14		3		22		15		3

(1)Included in Interest and other finance charges on the Registrants’ respective Statements of Consolidated Income, inclusive of $16 million, $13 million and $21 million of debt post in-service carrying costs on property, plant and equipment, primarily in Indiana, deferred into a regulatory asset in the years ended December 31, 2021, 2020 and 2019, respectively.

(2)Included in Other Income (Expense) on the Registrants’ respective Statements of Consolidated Income.

Income Taxes

Income Taxes

Houston Electric and CERC are included in CenterPoint Energy’s U.S. federal consolidated income tax return. Houston Electric and CERC report their income tax provision on a separate entity basis pursuant to a tax sharing agreement with CenterPoint Energy. Current federal and certain state income taxes are payable to or receivable from CenterPoint Energy.

The Registrants use the asset and liability method of accounting for deferred income taxes. Deferred income tax assets and liabilities are recognized for the future tax consequences attributable to differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax basis. A valuation allowance is established against deferred tax assets for which management believes realization is not considered to be more likely than not. The Registrants recognize interest and penalties as a component of income tax expense (benefit), as applicable, in their respective Statements of Consolidated Income. CenterPoint Energy reports the income tax provision associated with its interest in Enable in income tax expense (benefit) in its Statements of Consolidated Income.

To the extent certain EDIT of the Registrants’ rate-regulated subsidiaries may be recoverable or payable through future rates, regulatory assets and liabilities have been recorded, respectively. See Note 15 for further discussion.

The Registrants use the portfolio approach to recognize income tax effects on other comprehensive income from accumulated other comprehensive income.

Investment tax credits are deferred and amortized to income over the approximate lives of the related property.

Accounts Receivable and Allowance for Credit Losses

Accounts Receivable and Allowance for Credit LossesAccounts receivable are recorded at the invoiced amount and do not bear interest. Management reviews historical write-offs, current available information, and reasonable and supportable forecasts to estimate and establish allowance for credit losses. Account balances are charged off against the allowance when management determines it is probable the receivable will not be recovered. See Note 7 for further information about regulatory deferrals of bad debt expense related to COVID-19.

Inventory

Inventory

The Registrants’ inventory consists principally of materials and supplies, and for CERC, natural gas, and for CenterPoint Energy, coal inventory. Materials and supplies are valued at the lower of average cost or market. Materials and supplies are recorded to inventory when purchased and subsequently charged to expense or capitalized to plant when installed. Certain natural gas in storage at CenterPoint Energy’s and CERC’s utilities are recorded using the LIFO method. CenterPoint Energy’s and CERC’s balances in inventory that were valued using LIFO method were as follows:

	Year Ended December 31,
	2021 (1)		2020		2021 (1)		2020 (1)
	CenterPoint Energy				CERC
	(in millions)
LIFO inventory	$	101	$	92	$	56	$	55

(1)Based on the average cost of gas purchased during December 2021, CenterPoint Energy’s and CERC’s cost of replacing inventories carried at LIFO cost was less than the carrying value at December 31, 2021 by $48 million and $-0-, respectively.

Derivative Instruments

Derivative InstrumentsThe Registrants are exposed to various market risks. These risks arise from transactions entered into in the normal course of business. The Registrants, from time to time, utilize derivative instruments such as physical forward contracts, swaps and options to mitigate the impact of changes in commodity prices, weather and interest rates on operating results and cash flows. Such derivatives are recognized in the Registrants’ Consolidated Balance Sheets at their fair value unless the Registrant elects the normal purchase and sales exemption for qualified physical transactions. A derivative may be designated as a normal purchase or normal sale if the intent is to physically receive or deliver the product for use or sale in the normal course of business. CenterPoint Energy elected to record changes in the fair value of amounts excluded from the assessment of effectiveness immediately in its Statements of Consolidated Income.

Investments in Equity Securities (CenterPoint Energy)

Investments in Equity Securities (CenterPoint Energy)CenterPoint Energy reports equity securities at estimated fair value in the Consolidated Balance Sheets, and any gains and losses, net of any transaction costs, are recorded as Gain (Loss) on Equity Securities in the Statements of Consolidated Income.

Environmental Costs

Environmental CostsThe Registrants expense or capitalize environmental expenditures, as appropriate, depending on their future economic benefit. The Registrants expense amounts that relate to an existing condition caused by past operations that do not have future economic benefit. The Registrants record undiscounted liabilities related to these future costs when environmental assessments and/or remediation activities are probable and the costs can be reasonably estimated.

Cash and Cash Equivalents and Restricted Cash

Cash and Cash Equivalents and Restricted Cash

For purposes of reporting cash flows, the Registrants consider cash equivalents to be short-term, highly-liquid investments with maturities of three months or less from the date of purchase. Cash and cash equivalents held by the Bond Companies (VIEs) solely to support servicing the Securitization Bonds as of December 31, 2021 and 2020 are reflected on CenterPoint Energy’s and Houston Electric’s Consolidated Balance Sheets.

In connection with the issuance of Securitization Bonds, CenterPoint Energy and Houston Electric were required to establish restricted cash accounts to collateralize the bonds that were issued in these financing transactions. These restricted

cash accounts are not available for withdrawal until the maturity of the bonds and are not included in cash and cash equivalents.

Preferred Stock Dividends

Preferred Stock and Dividends Preferred stock is evaluated to determine balance sheet classification, and all conversion and redemption features are evaluated for bifurcation treatment. Proceeds received net of issuance costs are recognized on the settlement date. Cash dividends become a liability once declared. Income available to common stockholders is computed by deducting from net income the dividends accumulated and earned during the period on cumulative preferred stock.

Purchase Accounting

Purchase AccountingThe Registrants evaluate acquisitions to determine when a set of acquired activities and assets represent a business. When control of a business is obtained, the Registrants apply the acquisition method of accounting and record the assets acquired, liabilities assumed and any non-controlling interest obtained based on fair value at the acquisition date. The excess of the fair value of purchase consideration over the fair value of the net assets acquired is recorded as goodwill. The results of operations of the acquired business are included in the Registrants’ respective Statements of Consolidated Income beginning on the date of the acquisition.

New Accounting Pronouncements

New Accounting PronouncementsManagement believes that other recently adopted and recently issued accounting standards that are not yet effective will not have a material impact on the Registrants’ financial position, results of operations or cash flows upon adoption.

Leases

An arrangement is determined to be a lease at inception based on whether the Registrant has the right to control the use of an identified asset. ROU assets represent the Registrants’ right to use the underlying asset for the lease term and lease liabilities represent the Registrants’ obligation to make lease payments arising from the lease. ROU assets and liabilities are recognized at the lease commencement date based on the present value of lease payments over the lease term, including payments at commencement that depend on an index or rate. Most leases in which the Registrants are the lessee do not have a readily determinable implicit rate, so an incremental borrowing rate, based on the information available at the lease commencement date, is utilized to determine the present value of lease payments. When a secured borrowing rate is not readily available, unsecured borrowing rates are adjusted for the effects of collateral to determine the incremental borrowing rate. Each Registrant uses the implicit rate for agreements in which it is a lessor. Lease income and expense for operating leases and ROU amortization for finance leases are recognized on a straight-line basis over the lease term.

The Registrants have lease agreements with lease and non-lease components and have elected the practical expedient to combine lease and non-lease components for certain classes of leases, such as office buildings and mobile generators. For classes of leases in which lease and non-lease components are not combined, consideration is allocated between components based on the stand-alone prices. Sublease income is not significant to the Registrants.

The Registrants’ lease agreements do not contain any material residual value guarantees, material restrictions or material covenants. There are no material lease transactions with related parties. Agreements in which the Registrants are lessors do not include provisions for the lessee to purchase the assets. Because risk is minimal, the Registrants do not take any significant actions to manage risk associated with the residual value of their leased assets.

The Registrants’ operating lease agreements are primarily equipment and real property leases, including land and office facility leases. CenterPoint Energy and Houston Electric also have finance lease agreements for mobile generators. The Registrants’ lease terms may include options to extend or terminate a lease when it is reasonably certain that those options will

be exercised. The Registrants have elected an accounting policy that exempts leases with terms of one year or less from the recognition requirements of ASC 842.

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Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2021

Accounting Policies [Abstract]

Public Utilities General Disclosures

The Registrants capitalize interest and AFUDC as a component of projects under construction and amortize it over the assets’ estimated useful lives once the assets are placed in service. AFUDC represents the composite interest cost of borrowed funds and a reasonable return on the equity funds used for construction for subsidiaries that apply the guidance for accounting for regulated operations. Although AFUDC increases both utility plant and earnings, it is realized in cash when the assets are included in rates.

	Year Ended December 31,
	2021						2020						2019
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Interest and AFUDC debt (1)	$	34	$	13	$	2	$	27	$	8	$	3	$	36	$	8	$	3
AFUDC equity (2)	28		20		3		25		14		3		22		15		3

(1)Included in Interest and other finance charges on the Registrants’ respective Statements of Consolidated Income, inclusive of $16 million, $13 million and $21 million of debt post in-service carrying costs on property, plant and equipment, primarily in Indiana, deferred into a regulatory asset in the years ended December 31, 2021, 2020 and 2019, respectively.

(2)Included in Other Income (Expense) on the Registrants’ respective Statements of Consolidated Income.

LIFO Inventory

The Registrants’ inventory consists principally of materials and supplies, and for CERC, natural gas, and for CenterPoint Energy, coal inventory. Materials and supplies are valued at the lower of average cost or market. Materials and supplies are recorded to inventory when purchased and subsequently charged to expense or capitalized to plant when installed. Certain natural gas in storage at CenterPoint Energy’s and CERC’s utilities are recorded using the LIFO method. CenterPoint Energy’s and CERC’s balances in inventory that were valued using LIFO method were as follows:

	Year Ended December 31,
	2021 (1)		2020		2021 (1)		2020 (1)
	CenterPoint Energy				CERC
	(in millions)
LIFO inventory	$	101	$	92	$	56	$	55

(1)Based on the average cost of gas purchased during December 2021, CenterPoint Energy’s and CERC’s cost of replacing inventories carried at LIFO cost was less than the carrying value at December 31, 2021 by $48 million and $-0-, respectively.

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Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2021

Property, Plant and Equipment [Abstract]

Schedule of Property, Plant and Equipment

Property, plant and equipment includes the following:

		December 31, 2021						December 31, 2020
	Weighted Average Useful Lives	Property, Plant and Equipment, Gross		Accumulated Depreciation & Amortization		Property, Plant and Equipment, Net		Property, Plant and Equipment, Gross		Accumulated Depreciation & Amortization		Property, Plant and Equipment, Net
	(in years)	(in millions)
CenterPoint Energy
Electric transmission and distribution	36	$	17,156	$	4,658	$	12,498	$	15,225	$	4,785	$	10,440
Electric generation (1)	26	1,807		1,179		628		1,922		754		1,168
Natural gas distribution	30	13,578		3,981		9,597		14,022		4,019		10,003
Finance ROU asset mobile generation	7.5	179		—		179		—		—		—
Other property	16	953		371		582		1,345		594		751
Total		$	33,673	$	10,189	$	23,484	$	32,514	$	10,152	$	22,362
Houston Electric
Electric transmission and distribution	38	$	13,321	$	3,502	$	9,819	$	11,911	$	3,396	$	8,515
Finance ROU asset mobile generation	7.5	179		—		179		—		—		—
Other property	19	1,773		568		1,205		1,682		534		1,148
Total		$	15,273	$	4,070	$	11,203	$	13,593	$	3,930	$	9,663
CERC
Natural gas distribution	29	$	7,833	$	2,093	$	5,740	$	8,928	$	2,392	$	6,536
Other property	19	45		22		23		44		22		22
Total		$	7,878	$	2,115	$	5,763	$	8,972	$	2,414	$	6,558

(1)SIGECO and AGC own a 300 MW unit at the Warrick Power Plant (Warrick Unit 4) as tenants in common. SIGECO’s share of the cost of this unit as of December 31, 2021, is $196 million with accumulated depreciation totaling $154 million. AGC and SIGECO share equally in the cost of operation and output of the unit. SIGECO’s share

of operating costs is included in Operation and maintenance expense in CenterPoint Energy’s Statements of Consolidated Income.

Depreciation and Amortization

The following table presents depreciation and amortization expense for 2021, 2020 and 2019:

	Year Ended December 31,
	2021						2020						2019
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Depreciation	$	1,024	$	391	$	311	$	961	$	368	$	289	$	879	$	339	$	277
Amortization of securitized regulatory assets	213		213		—		155		155		—		271		271		—
Other amortization	79		38		15		73		37		15		75		38		16
Total	$	1,316	$	642	$	326	$	1,189	$	560	$	304	$	1,225	$	648	$	293

Asset Retirement Obligation

A reconciliation of the changes in the ARO liability recorded in Other non-current liabilities on each of the Registrants’ respective Consolidated Balance Sheets is as follows:

	December 31, 2021						December 31, 2020
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Beginning balance	$	787	$	43	$	571	$	539	$	42	$	325
Accretion expense (1)	21		1		12		16		1		11
Revisions in estimates (2)	(67)		(2)		(93)		232		—		235
Ending balance	$	741	$	42	$	490	$	787	$	43	$	571

(1)Reflected in Regulatory assets on each of the Registrants’ respective Consolidated Balance Sheets.

(2)In 2021, the Registrants reflected a decrease in their respective ARO liability, which is primarily attributable to increases in the long-term interest rates used for discounting in the ARO calculation.

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Held for Sale, Divestitures and Mergers (CenterPoint Energy and CERC) (Tables)

12 Months Ended

Dec. 31, 2021

Discontinued Operations and Disposal Groups [Abstract]

Disclosure of Long Lived Assets Held-for-sale

The assets and liabilities of the Arkansas and Oklahoma Natural Gas businesses and equity method investment in Enable classified as held for sale in CenterPoint Energy’s and CERC’s Consolidated Balance Sheets, as applicable, included the following:

	December 31, 2021
	CenterPoint Energy		CERC
	(in millions)
Receivables, net	$	46	$	46
Accrued unbilled revenues	48		48
Natural gas inventory	46		46
Materials and supplies	9		9
Property, plant and equipment, net	1,314		1,314
Goodwill	398		144
Investment in unconsolidated affiliate (1)	—		—
Regulatory assets	471		471
Other	6		6
Total current assets held for sale	$	2,338	$	2,084

	December 31, 2021
	CenterPoint Energy		CERC
	(in millions)
Short term borrowings (2)	$	36	$	36
Accounts payable	40		40
Taxes accrued	7		7
Customer deposits	12		12
Regulatory liabilities	365		365
Other	102		102
Total current liabilities held for sale	$	562	$	562

(1)Balance of $782 million as of December 31, 2020 is reported as Non-current assets held for sale on CenterPoint Energy’s Consolidated Balance Sheets.

(2)Represents third-party AMAs associated with utility distribution service in Arkansas and Oklahoma. These transactions are accounted for as an inventory financing. For further information, see Notes 14 and 16.

The pre-tax income for the Arkansas and Oklahoma Natural Gas businesses, excluding interest and corporate allocations, included in CenterPoint Energy’s and CERC’s Statements of Consolidated Income is as follows:

	Year Ended December 31,
	2021		2020
	(in millions)
Income from Continuing Operations Before Income Taxes	$	78	$	73

Disposal Groups, Including Discontinued Operations

A summary of discontinued operations presented in CenterPoint Energy’s Statements of Consolidated Income is as follows:

	Year Ended December 31, 2021
	Equity Method Investment in Enable
	(in millions)
Equity in earnings of unconsolidated affiliate, net	$	1,019
Income from discontinued operations before income taxes	1,019
Income tax expense	201
Net income from discontinued operations	$	818

	Year Ended December 31, 2020
	Equity Method Investment in Enable		Infrastructure Services Disposal Group		Energy Services Disposal Group		Total
	(in millions)
Revenues	$	—	$	250	$	1,167	$	1,417
Expenses:
Non-utility cost of revenues	—		50		1,108		1,158
Operation and maintenance	—		184		34		218
Taxes other than income taxes	—		1		3		4
Total	—		235		1,145		1,380
Operating income	—		15		22		37
Equity in losses of unconsolidated affiliate, net (1)	(1,428)		—		—		(1,428)
Income (loss) from Discontinued Operations before income taxes	(1,428)		15		22		(1,391)
Loss on classification to held for sale, net (2)	—		(102)		(96)		(198)
Income tax expense (benefit)	(354)		24		(3)		(333)
Net loss from Discontinued Operations	$	(1,074)	$	(111)	$	(71)	$	(1,256)

	Year Ended December 31, 2019
	Equity Method Investment in Enable		Infrastructure Services Disposal Group (3)		Energy Services Disposal Group		Total
	(in millions)
Revenues	$	—	$	1,190	$	3,767	$	4,957
Expenses:
Non-utility cost of revenues	—		309		3,597		3,906
Operation and maintenance	—		714		68		782
Depreciation and amortization	—		50		12		62
Taxes other than income taxes	—		2		2		4
Goodwill Impairment	—		—		48		48
Total	—		1,075		3,727		4,802
Operating income	—		115		40		155
Equity in earnings of unconsolidated affiliate, net (4)	229		—		—		229
Income from Discontinued Operations before income taxes	229		115		40		384
Income tax expense	62		29		17		108
Net income from Discontinued Operations	$	167	$	86	$	23	$	276

(1)CenterPoint Energy recognized a loss of $1,428 million from its investment in Enable for the year ended December 31, 2020. This loss included an impairment charge on CenterPoint Energy’s investment in Enable of $1,541 million and CenterPoint Energy’s interest in Enable’s $225 million impairment on an equity method investment.

(2)Loss from classification to held for sale is inclusive of goodwill impairments, gains and losses recognized upon sale, and for CenterPoint Energy, its costs to sell.

(3)Reflects February 1, 2019 to December 31, 2019 results only due to the Merger.

(4)Includes CenterPoint Energy’s share of Enable’s $86 million goodwill impairment recorded in the fourth quarter of 2019.

A summary of the Energy Services Disposal Group presented as discontinued operations in CERC’s Statements of Consolidated Income, as applicable, is as follows:

	Year Ended December 31,
	2020		2019
	CERC
	(in millions)
Revenues	$	1,167	$	3,767
Expenses:
Non-utility cost of revenues	1,108		3,597
Operation and maintenance	34		68
Depreciation and amortization	—		12
Taxes other than income taxes	3		2
Goodwill Impairment	—		48
Total	1,145		3,727
Income from Discontinued Operations before income taxes	22		40
Loss on classification to held for sale, net (1)	(90)		—
Income tax expense (benefit)	(2)		17
Net income (loss) from Discontinued Operations	$	(66)	$	23

(1)Loss from classification to held for sale is inclusive of goodwill impairment, gains and losses recognized upon sale, and for CenterPoint Energy, its costs to sell.

Revenues and expenses included in continuing operations were as follows:

	Year Ended December 31,
	2020 (1)		2019		2020 (1)		2019
	CenterPoint Energy				CERC
	(in millions)
Transportation revenue	$	34	$	101	$	34	$	101
Natural gas expense	48		125		47		124

(1)Represents charges for the period January 1, 2020 until the closing of the sale of the Energy Services Disposal Group.

Fees incurred by CenterPoint Energy’s and CERC’s Natural Gas reportable segment for pipeline construction and repair services are as follows:

	Year Ended December 31,
	2020 (1)		2019 (2)		2020		2019
	CenterPoint Energy				CERC
	(in millions)
Pipeline construction and repair services capitalized	$	34	$	162	$	—	$	20
Pipeline construction and repair service charges in operations and maintenance expense	1		4		1		4

(1)Represents charges for the period January 1, 2020 until the closing of the sale of the Infrastructure Services Disposal Group.

(2)Represents charges for the period beginning February 1, 2019 through December 31, 2019 due to the Merger.

Disposal Groups, Including Discontinued Operations Cash Flow

The following table summarizes CenterPoint Energy’s and CERC’s cash flows from discontinued operations and certain supplemental cash flow disclosures as applicable:

	Year Ended December 31, 2021
	CenterPoint Energy
	Equity Method Investment in Enable
	(in millions)
Cash flows from operating activities:
Adjustments to reconcile net income to net cash provided by operating activities:
Gain on Enable Merger	$	(681)
Equity in earnings of unconsolidated affiliate	(339)
Distributions from unconsolidated affiliate	155
Cash flows from investing activities:
Transaction costs related to the Enable Merger	(49)
Cash received related to Enable Merger	5

	Year Ended December 31, 2020
	CenterPoint Energy
	Equity Method Investment in Enable		Infrastructure Services Disposal Group		Energy Services Disposal Group
	(in millions)
Cash flows from operating activities:
Adjustments to reconcile net income to net cash provided by operating activities:
Write-down of natural gas inventory	$	—	$	—	$	3
Equity in losses of unconsolidated affiliate	1,428		—		—
Distributions from unconsolidated affiliate	113		—		—
Cash flows from investing activities:
Capital expenditures	—		18		3
Distributions from unconsolidated affiliate in excess of cumulative earnings	80		—		—

	Year Ended December 31, 2019
	CenterPoint Energy
	Equity Method Investment in Enable		Infrastructure Services Disposal Group (1)		Energy Services Disposal Group
	(in millions)
Cash flows from operating activities:
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	$	—	$	50	$	12
Amortization of intangible assets in Non-utility cost of revenues	—		19		—
Write-down of natural gas inventory	—		—		4
Equity in losses of unconsolidated affiliate	(229)		—		—
Distributions from unconsolidated affiliate	261		—		—
Cash flows from investing activities:
Capital expenditures	—		67		12
Distributions from unconsolidated affiliate in excess of cumulative earnings	42		—		—
Non-cash transactions:
Accounts payable related to capital expenditures	—		—		2

(1)Reflects February 1, 2019 to December 31, 2019 results only due to the Merger.

	Year Ended December 31,
	2020		2019
	CERC
	Energy Services Disposal Group
	(in millions)
Cash flows from operating activities:
Depreciation and amortization	$	—	$	12
Write-down of natural gas inventory	3		4
Cash flows from investing activities:
Capital expenditures	3		12
Non-cash transactions:
Accounts payable related to capital expenditures	—		2

Business Acquisition, Pro Forma Information

The results of operations for Vectren included in CenterPoint Energy’s Consolidated Financial Statements from the Merger Date for the year ended December 31, 2019, reflecting results included in both continuing operations and discontinued operations, are as follows:

	(in millions)
Operating revenues	$	2,729
Net income	190

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Revenue Recognition (Tables)

12 Months Ended

Dec. 31, 2021

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The following tables disaggregate revenues by reportable segment and major source and exclude operating revenues from the Energy Services and Infrastructure Services Disposal Groups, which are reflected as discontinued operations prior to the date of closing of each transaction. See Note 4 for further information.

CenterPoint Energy

	Year Ended December 31, 2021
	Electric		Natural Gas		Corporate and Other		Total
	(in millions)
Revenue from contracts	$	3,726	$	4,281	$	249	$	8,256
Other (1)	37		55		4		96
Total revenues	$	3,763	$	4,336	$	253	$	8,352

	Year Ended December 31, 2020
	Electric		Natural Gas		Corporate and Other		Total
	(in millions)
Revenue from contracts	$	3,451	$	3,586	$	313	$	7,350
Other (1)	19		45		4		68
Total revenues	$	3,470	$	3,631	$	317	$	7,418
	Year Ended December 31, 2019
	Electric (2)		Natural Gas (2)		Corporate and Other (2)		Total
	(in millions)
Revenue from contracts	$	3,507	$	3,714	$	290	$	7,511
Other (1)	12		36		5		53
Total revenues	$	3,519	$	3,750	$	295	$	7,564

(1)Primarily consists of income from ARPs and leases. ARPs are contracts between the utility and its regulators, not between the utility and a customer. The Registrants recognize ARP revenue as other revenues when the regulator-specified conditions for recognition have been met. Upon recovery of ARP revenue through incorporation in rates charged for utility service to customers, ARP revenue is reversed and recorded as revenue from contracts with customers. The recognition of ARP revenues and the reversal of ARP revenues upon recovery through rates charged for utility service may not occur in the same period. Total lease income was $7 million for the year ended December 31, 2021 and $6 million for each of the years ended December 31, 2020 and 2019.

(2)Reflects revenues from Vectren subsidiaries for the period from February 1, 2019 to December 31, 2019.

Houston Electric

	Year Ended December 31,
	2021		2020		2019
	(in millions)
Revenue from contracts	$	3,117	$	2,896	$	2,984
Other (1)	17		15		6
Total revenues	$	3,134	$	2,911	$	2,990

(1)Primarily consists of income from ARPs and leases. ARPs are contracts between the utility and its regulators, not between the utility and a customer. The Registrants recognize ARP revenue as other revenues when the regulator-specified conditions for recognition have been met. Upon recovery of ARP revenue through incorporation in rates charged for utility service to customers, ARP revenue is reversed and recorded as revenue from contracts with customers. The recognition of ARP revenues and the reversal of ARP revenues upon recovery through rates charged for utility service may not occur in the same period. Lease income was not significant for the years ended December 31, 2021, 2020, and 2019.

CERC

	Year Ended December 31,
	2021		2020		2019
	(in millions)
Revenue from contracts	$	3,210	$	2,714	$	2,979
Other (1)	38		49		39
Total revenues	$	3,248	$	2,763	$	3,018

(1)Primarily consists of income from ARPs and leases. ARPs are contracts between the utility and its regulators, not between the utility and a customer. The Registrants recognize ARP revenue as other revenues when the regulator-specified conditions for recognition have been met. Upon recovery of ARP revenue through incorporation in rates charged for utility service to customers, ARP revenue is reversed and recorded as revenue from contracts with

customers. The recognition of ARP revenues and the reversal of ARP revenues upon recovery through rates charged for utility service may not occur in the same period. Lease income was $3 million, $2 million and less than $1 million, respectively, for the years ended December 31, 2021, 2020 and 2019.

Contract with Customer, Asset and Liability

The opening and closing balances of accounts receivable, other accrued unbilled revenue, contract assets and contract liabilities from contracts with customers are as follows:

CenterPoint Energy

	Accounts Receivable		Other Accrued Unbilled Revenues		Contract Assets		Contract Liabilities
	(in millions)
Opening balance as of December 31, 2020	$	604	$	505	$	27	$	18
Closing balance as of December 31, 2021	627		513		15		16
Increase	$	23	$	8	$	(12)	$	(2)

The amount of revenue recognized in the year ended December 31, 2021 that was included in the opening contract liability was $17 million. The difference between the opening and closing balances of the contract liabilities primarily results from the timing difference between CenterPoint Energy’s performance and the customer’s payment.

Houston Electric

	Accounts Receivable		Other Accrued Unbilled Revenues		Contract Liabilities
	(in millions)
Opening balance as of December 31, 2020	$	225	$	113	$	3
Closing balance as of December 31, 2021	225		127		4
Increase (decrease)	$	—	$	14	$	1

The amount of revenue recognized in the year ended December 31, 2021 that was included in the opening contract liability was $3 million. The difference between the opening and closing balances of the contract liabilities primarily results from the timing difference between Houston Electric’s performance and the customer’s payment.

CERC

	Accounts Receivable		Other Accrued Unbilled Revenues
	(in millions)
Opening balance as of December 31, 2020	$	214	$	261
Closing balance as of December 31, 2021	223		247
Increase (decrease)	$	9	$	(14)

CERC does not have any opening or closing contract asset or contract liability balances.

Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction

Remaining Performance Obligations (CenterPoint Energy). The table below discloses (1) the aggregate amount of the transaction price allocated to performance obligations that are unsatisfied (or partially unsatisfied) as of the end of the reporting period for contracts and (2) when CenterPoint Energy expects to recognize this revenue. Such contracts include energy performance and sustainable infrastructure services contracts of Energy Systems Group, which are included in Corporate and Other.

	Rolling 12 Months		Thereafter		Total
	(in millions)
Revenue expected to be recognized on contracts in place as of December 31, 2021:
Corporate and Other	$	232	$	549	$	781
	$	232	$	549	$	781

Accounts Receivable, Allowance for Credit Loss

The table below summarizes the Registrants’ bad debt expense amounts for 2021, 2020 and 2019, net of regulatory deferrals, including those related to COVID-19:

	Year Ended December 31,
	2021						2020						2019
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Bad debt expense	$	12	$	—	$	11	$	24	$	—	$	18	$	18	$	—	$	14

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Goodwill and Other Intangibles (CenterPoint Energy and CERC) (Tables)

12 Months Ended

Dec. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill by Reportable Segments

CenterPoint Energy’s goodwill by reportable segment as of December 31, 2020 and changes in the carrying amount of goodwill as of December 31, 2021 are as follows:

	December 31, 2020		Held for Sale			Disposals			December 31, 2021
	(in millions)
Electric (1)	$	936	$	—		$	—		$	936
Natural Gas	3,323		398		(2)	5		(3)	2,920
Corporate and Other	438		—			—			438
Total	$	4,697	$	398		$	5		$	4,294

CERC’s goodwill is as follows:

	December 31, 2020		Held for Sale			Disposals			December 31, 2021
	(in millions)
Goodwill	$	757	$	144	(2)	$	2	(3)	$	611

(1)Amount presented is net of the accumulated goodwill impairment charge of $185 million recorded in 2020.

(2)Represents goodwill attributable to the Natural Gas businesses. For further information, see Note 4.

(3)Represents goodwill attributable to the MES disposal. For further information, see Note 4.

Schedule of Finite-Lived Intangible Assets

The tables below present information on CenterPoint Energy’s other intangible assets recorded in Other in Other Assets on the Consolidated Balance Sheets and the related amortization expense included in Depreciation and amortization on CenterPoint Energy’s Statements of Consolidated Income, unless otherwise indicated in the tables below.

	December 31, 2021						December 31, 2020
	Gross Carrying Amount		Accumulated Amortization		Net Balance		Gross Carrying Amount		Accumulated Amortization		Net Balance
	(in millions)
Customer relationships	$	33	$	(12)	$	21	$	33	$	(8)	$	25
Trade names	16		(5)		11		16		(3)		13
Construction backlog (1)	—		—		—		5		(5)		—
Operation and maintenance       agreements (1)	12		(1)		11		12		(1)		11
Other	2		(1)		1		2		(1)		1
Total	$	63	$	(19)	$	44	$	68	$	(18)	$	50

(1)Amortization expense related to the operation and maintenance agreements and construction backlog is included in Non-utility cost of revenues, including natural gas on CenterPoint Energy’s Statements of Consolidated Income.

Finite-lived Intangible Assets Amortization Expense

	Year Ended December 31,
	2021		2020		2019
	(in millions)
Amortization expense of intangible assets recorded in Depreciation and amortization (1) (2)	$	6	$	6	$	5
Amortization expense of intangible assets recorded in Non-utility cost of revenues, including natural gas (2)	1		2		4

(1)Includes $5 million for the year ended December 31, 2019 of amortization expense related to intangibles acquired in the Merger.

(2)Assets held for sale are not amortized. The table reflects amortization on continuing operations. For further information on discontinued operations, see Note 4.

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

terPoint Energy estimates that amortization expense of intangible assets with finite lives for the next five years will be as follows:

	Amortization Expense
	(in millions)
2022	$	6
2023	6
2024	5
2025	5
2026	5

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Regulatory Matters (Tables)

12 Months Ended

Dec. 31, 2021

Regulated Operations [Abstract]

Schedule of Regulatory Assets and Liabilities

The following is a list of regulatory assets and liabilities, excluding amounts related to the Arkansas and Oklahoma Natural Gas businesses classified as held for sale, reflected on the Registrants’ respective Consolidated Balance Sheets as of December 31, 2021 and 2020. For information about regulatory assets and liabilities in held for sale, see Note 4.

	December 31, 2021
	CenterPoint Energy		Houston Electric		CERC
	(in millions)
Regulatory Assets:
Future amounts recoverable from ratepayers related to:
Benefit obligations (1)	$	412	$	—	$	5
Asset retirement obligations & other	240		45		192
Net deferred income taxes	41		29		2
Total future amounts recoverable from ratepayers	693		74		199
Amounts deferred for future recovery related to:
Extraordinary gas costs	1,528		—		1,454
Cost recovery riders	124		—		—
Hurricane and February 2021 Winter Storm Event restoration costs	105		105		—
Other regulatory assets	94		57		37
Gas recovery costs	29		—		29
Decoupling	25		—		25
COVID-19 incremental costs	23		8		15
Emergency generation costs	21		21		—
Unrecognized equity return	(28)		(3)		(4)
Total amounts deferred for future recovery	1,921		188		1,556
Amounts currently recovered in customer rates related to:
Authorized trackers and cost deferrals	504		24		11
Securitized regulatory assets	420		420		—
Unamortized loss on reacquired debt and hedging	92		67		—
Gas recovery costs	72		—		40
Extraordinary gas costs	66		—		66
Regulatory assets related to TCJA	48		46		2
Hurricane Harvey restoration costs	43		43		—
Benefit obligations	28		24		4
Unrecognized equity return (2)	(171)		(97)		(12)
Total amounts recovered in customer rates (3)	1,102		527		111
Total Regulatory Assets	$	3,716	$	789	$	1,866
Total Current Regulatory Assets (4)	$	1,395	$	—	$	1,289
Total Non-Current Regulatory Assets	$	2,321	$	789	$	577
Regulatory Liabilities:
Regulatory liabilities related to TCJA	$	1,389	$	738	$	400
Estimated removal costs	1,304		229		452
Other regulatory liabilities	481		205		128
Total Regulatory Liabilities	$	3,174	$	1,172	$	980
Total Current Regulatory Liabilities (5)	$	21	$	20	$	1
Total Non-Current Regulatory Liabilities	$	3,153	$	1,152	$	979

	December 31, 2020
	CenterPoint Energy		Houston Electric		CERC
	(in millions)
Regulatory Assets:
Future amounts recoverable from ratepayers related to:
Benefit obligations (1)	$	550	$	—	$	4
Asset retirement obligations & other	173		39		125
Net deferred income taxes	37		25		3
Total future amounts recoverable from ratepayers	760		64		132
Amounts deferred for future recovery related to:
Cost recovery riders	221		—		—
Other regulatory assets	90		38		52
Hurricane restoration costs	36		36		—
COVID-19 incremental costs	23		5		18
Gas recovery costs	9		—		9
Decoupling	2		—		2
Unrecognized equity return	(42)		—		(5)
Total amounts deferred for future recovery	339		79		76
Amounts currently recovered in customer rates related to:
Securitized regulatory assets	633		633		—
Authorized trackers and cost deferrals	332		30		20
Unamortized loss on reacquired debt and hedging	111		73		—
Hurricane Harvey restoration costs	55		55		—
Benefit obligations	37		31		6
Regulatory assets related to TCJA	25		20		5
Gas recovery costs	7		—		7
Unrecognized equity return (2)	(187)		(137)		(8)
Total amounts recovered in customer rates	1,013		705		30
Total Regulatory Assets	$	2,112	$	848	$	238
Total Current Regulatory Assets	$	18	$	—	$	18
Total Non-Current Regulatory Assets	$	2,094	$	848	$	220
Regulatory Liabilities:
Regulatory liabilities related to TCJA	$	1,484	$	764	$	421
Estimated removal costs	1,470		231		656
Other regulatory liabilities	566		300		178
Total Regulatory Liabilities	$	3,520	$	1,295	$	1,255
Total Current Regulatory Liabilities (5)	$	72	$	43	$	29
Total Non-Current Regulatory Liabilities	$	3,448	$	1,252	$	1,226

(1)Pension and postretirement-related regulatory assets balances are measured annually, and the ending amortization period may change based on the actuarial valuation.

(2)Represents the following: (a) CenterPoint Energy’s allowed equity return on post in-service carrying cost generally associated with investments in Indiana; (b) Houston Electric’s allowed equity return on its true-up balance of stranded costs, other changes and related interest resulting from the formerly integrated electric utilities prior to Texas deregulation to be recovered in rates through 2024 and certain storm restoration balances pending recovery in the next rate proceeding; and (c) CERC’s allowed equity return on post in-service carrying cost associated with certain distribution facilities replacements expenditures in Texas.

(3)Of the $1.1 billion, $527 million and $111 million currently being recovered in customer rates related to CenterPoint Energy, Houston Electric and CERC, respectively, $558 million, $459 million and $7 million is earning a return, respectively. The weighted average recovery period of regulatory assets currently being recovered in base rates, not earning a return, which totals $175 million, $67 million and $69 million for CenterPoint Energy, Houston Electric and CERC, respectively, is 11 years, 23 years and 2 years, respectively. Regulatory assets not earning a return with perpetual or undeterminable lives have been excluded from the weighted average recovery period calculation.

(4)Current regulatory assets for CenterPoint Energy and CERC include extraordinary gas costs of $1,256 million and $1,182 million, respectively.

(5)Current regulatory liabilities are included in Other current liabilities in each of the Registrants’ respective Consolidated Balance Sheets.

The table below reflects the amount of allowed equity return recognized by each Registrant in its Statements of Consolidated Income:

	Year Ended December 31,
	2021						2020						2019
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Allowed equity return recognized	$	40	$	37	$	1	$	31	$	31	$	—	$	45	$	45	$	—

XML

Stock-Based Incentive Compensation Plans and Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2021

Disclosure of Stock-Based Incentive Compensation Plans and Employee Benefit Plans [Abstract]

Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan

The following table summarizes CenterPoint Energy’s expenses related to LTIPs for 2021, 2020 and 2019:

	Year Ended December 31,
	2021		2020		2019
	(in millions)
LTIP compensation expense (1)	$	48	$	38	$	28
Income tax benefit recognized	11		9		7
Actual tax benefit realized for tax deductions	4		5		12

(1)Amounts presented in the table above are included in Operation and maintenance expense in CenterPoint Energy’s Statements of Consolidated Income and shown prior to any amounts capitalized.

Share-Based Compensation, Activity

The following tables summarize CenterPoint Energy’s LTIP activity for 2021:

	Year Ended December 31, 2021
	Shares (Thousands)	Weighted-Average Grant Date Fair Value		Remaining Average Contractual Life (Years)	Aggregate Intrinsic Value (2) (Millions)
Performance Awards (1)
Outstanding and nonvested as of December 31, 2020	3,900	$	26.58
Granted	2,095	21.89
Forfeited or canceled	(1,017)	26.44
Vested and released to participants	(315)	26.79
Outstanding and nonvested as of December 31, 2021	4,663	$	24.48	1.2	$	90
Stock Unit Awards
Outstanding and nonvested as of December 31, 2020	1,289	$	25.71
Granted	1,609	24.20
Forfeited or canceled	(91)	26.23
Vested and released to participants	(440)	25.26
Outstanding and nonvested as of December 31, 2021	2,367	$	24.75	1.4	$	66

 

(1)Reflects maximum performance achievement.

(2)Reflects the impact of current expectations of achievement and stock price.

Share-Based Compensation Arrangement By Award, Weighted Average Grant Date Fair Value, Grant Date Intrinsic Value, and Vested Grant Date Fair Value

The weighted average grant date fair values per unit of awards granted were as follows for 2021, 2020 and 2019:

	Year Ended December 31,
	2021		2020		2019
	(in millions, except for per unit amounts)
Performance Awards
Weighted-average grant date fair value per unit of awards granted	$	21.89	$	23.82	$	31.16
Total intrinsic value of awards received by participants	7		9		36
Vested grant date fair value	8		9		20
Stock Unit Awards
Weighted-average grant date fair value per unit of awards granted	$	24.20	$	21.53	$	31.07
Total intrinsic value of awards received by participants	11		12		15
Vested grant date fair value	11		12		9

Schedule of Net Benefit Costs

CenterPoint Energy’s net periodic cost includes the following components relating to pension, including the non-qualified benefit plans:

	Year Ended December 31,
	2021		2020		2019
	(in millions)
Service cost (1)	$	39	$	43	$	40
Interest cost (2)	59		75		96
Expected return on plan assets (2)	(103)		(112)		(105)
Amortization of prior service cost (2)	—		—		9
Amortization of net loss (2)	36		41		52
Settlement cost (2) (3)	38		2		2
Curtailment gain (2) (4)	—		—		(1)
Net periodic cost	$	69	$	49	$	93

 

(1)Amounts presented in the table above are included in Operation and maintenance expense in CenterPoint Energy’s Statements of Consolidated Income, net of regulatory deferrals and amounts capitalized.

(2)Amounts presented in the table above are included in Other, net in CenterPoint Energy’s Statements of Consolidated Income, net of regulatory deferrals.

(3)A one-time, non-cash settlement cost is required when the total lump sum distributions or other settlements of plan benefit obligations during a plan year exceed the service cost and interest cost components of the net periodic cost for that year. In 2021, 2020 and 2019, CenterPoint Energy recognized non-cash settlement cost due to lump sum settlement payments.

(4)A curtailment gain or loss is required when the expected future services of a significant number of employees are reduced or eliminated for the accrual of benefits. In 2019, CenterPoint Energy recognized a pension curtailment gain related to employees who were terminated after the Merger Date.

Postretirement benefits are accrued over the active service period of employees. The net postretirement benefit cost includes the following components:

	Year Ended December 31,
	2021						2020						2019
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Service cost (1)	$	2	$	—	$	1	$	2	$	—	$	1	$	3	$	1	$	1
Interest cost (2)	9		4		3		11		5		3		15		7		5
Expected return on plan assets (2)	(4)		(3)		(1)		(5)		(4)		(1)		(5)		(4)		(1)
Amortization of prior service cost (credit) (2)	(4)		(5)		1		(4)		(5)		1		(5)		(6)		1
Net postretirement benefit cost (credit)	$	3	$	(4)	$	4	$	4	$	(4)	$	4	$	8	$	(2)	$	6

(1)Amounts presented in the table above are included in Operation and maintenance expense in each of the Registrants’ respective Statements of Consolidated Income, net of regulatory deferrals and amounts capitalized.

(2)Amounts presented in the table above are included in Other, net in each of the Registrants’ respective Statements of Consolidated Income, net of regulatory deferrals.

Schedule of Assumptions Used

CenterPoint Energy used the following assumptions to determine net periodic cost relating to pension benefits:

	Year Ended December 31,
	2021		2020		2019
Discount rate	2.45	%	3.20	%	4.35	%
Expected return on plan assets	5.00		5.75		6.00
Rate of increase in compensation levels	5.05		4.95		4.60

The following assumptions were used to determine net periodic cost relating to postretirement benefits:

	Year Ended December 31,
	2021						2020						2019
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
Discount rate	2.50	%	2.50	%	2.50	%	3.25	%	3.25	%	3.25	%	3.20	%	3.20	%	3.20	%
Expected return on plan assets	3.20		3.30		2.85		3.95		4.05		3.35		4.60		4.70		4.15

Schedule of Net Pension and Post-retirement Benefit Costs

The following table summarizes changes in the benefit obligation, plan assets, the amounts recognized in the Consolidated Balance Sheets as well as the key assumptions of CenterPoint Energy’s pension plans. The measurement dates for plan assets and obligations were December 31, 2021 and 2020.

	December 31,
	2021			2020
	(in millions, except for actuarial assumptions)
Change in Benefit Obligation
Benefit obligation, beginning of year	$	2,507		$	2,453
Service cost	38			43
Interest cost	59			75
Benefits paid	(285)			(207)
Actuarial (gain) loss (1)	(22)			143
Plan amendment	1			—
Benefit obligation, end of year	2,298			2,507
Change in Plan Assets
Fair value of plan assets, beginning of year	2,135			2,005
Employer contributions	61			86
Benefits paid	(285)			(207)
Actual investment return	161			251
Fair value of plan assets, end of year	2,072			2,135
Funded status, end of year	$	(226)		$	(372)
Amounts Recognized in Balance Sheets
Non-current assets	$	6		$	—
Current liabilities-other	(7)			(8)
Other liabilities-benefit obligations	(225)			(364)
Net liability, end of year	$	(226)		$	(372)
Actuarial Assumptions
Discount rate (2)	2.80		%	2.45		%
Expected return on plan assets (3)	5.00			5.00
Rate of increase in compensation levels	4.95			5.05
Interest crediting rate	2.25			2.25

(1)Significant sources of gain for 2021 include the increase in discount rate from 2.45% to 2.80%, and actual return on plan assets exceeding expected return on assets during 2021.

(2)The discount rate assumption was determined by matching the projected cash flows of CenterPoint Energy’s plans against a hypothetical yield curve of high-quality corporate bonds represented by a series of annualized individual discount rates from one-half to 99 years.

(3)The expected rate of return assumption was developed using the targeted asset allocation of CenterPoint Energy’s plans and the expected return for each asset class.

The following table summarizes changes in the benefit obligation, plan assets, the amounts recognized in consolidated balance sheets and the key assumptions of the postretirement plans. The measurement dates for plan assets and benefit obligations were December 31, 2021 and 2020.

	December 31,
	2021									2020
	CenterPoint Energy			Houston Electric			CERC			CenterPoint Energy			Houston Electric			CERC
	(in millions, except for actuarial assumptions)
Change in Benefit Obligation
Benefit obligation, beginning of year	$	366		$	168		$	105		$	356		$	162		$	102
Service cost	2			—			1			2			—			1
Interest cost	9			4			3			11			5			3
Participant contributions	7			2			2			6			2			2
Benefits paid	(21)			(9)			(6)			(22)			(10)			(6)
Early Retiree Reinsurance Program	20			—			11			—			—			—
Plan amendment	—			5			—			—			—			—
Actuarial (gain) loss (1)	(47)			(22)			(11)			13			9			3
Benefit obligation, end of year	336			148			105			366			168			105
Change in Plan Assets
Fair value of plan assets, beginning of year	134			106			28			128			101			27
Employer contributions	7			1			3			10			3			3
Participant contributions	7			2			2			6			2			2
Benefits paid	(21)			(9)			(6)			(22)			(10)			(6)
Actual investment return	5			4			1			12			10			2
Fair value of plan assets, end of year	132			104			28			134			106			28
Funded status, end of year	$	(204)		$	(44)		$	(77)		$	(232)		$	(62)		$	(77)
Amounts Recognized in Balance Sheets
Current liabilities — other	$	(7)		$	—		$	(3)		$	(9)		$	—		$	(3)
Other liabilities — benefit obligations	(197)			(44)			(73)			(223)			(62)			(74)
Net liability, end of year	$	(204)		$	(44)		$	(76)		$	(232)		$	(62)		$	(77)
Actuarial Assumptions
Discount rate (2)	2.85		%	2.85		%	2.85		%	2.50		%	2.50		%	2.50		%
Expected return on plan assets (3)	3.22			3.32			2.86			3.20			3.30			2.85
Medical cost trend rate assumed for the next year - Pre-65	6.00			6.00			6.00			5.25			5.25			5.25
Medical/prescription drug cost trend rate assumed for the next year - Post-65	18.71			18.71			18.71			19.70			19.70			19.70
Prescription drug cost trend rate assumed for the next year - Pre-65	8.00			8.00			8.00			7.50			7.50			7.50
Rate to which the cost trend rate is assumed to decline (the ultimate trend rate)	4.50			4.50			4.50			4.50			4.50			4.50
Year that the cost trend rates reach the ultimate trend rate - Pre-65	2029			2029			2029			2028			2028			2028
Year that the cost trend rates reach the ultimate trend rate - Post-65	2030			2030			2030			2029			2029			2029

(1)Significant sources of gain for 2021 include updated claims and demographic experience and the increase in discount rate from 2.50% to 2.85%.

(2)The discount rate assumption was determined by matching the projected cash flows of the plans against a hypothetical yield curve of high-quality corporate bonds represented by a series of annualized individual discount rates from one-half to 99 years.

(3)The expected rate of return assumption was developed using the targeted asset allocation of the plans and the expected return for each asset class.

Schedule of Accumulated Benefit Obligations in Excess of Fair Value of Plan Assets

The following table displays pension benefits related to CenterPoint Energy’s pension plans that have accumulated benefit obligations in excess of plan assets:

	December 31,
	2021				2020
	Pension (Qualified)		Pension (Non-qualified)		Pension (Qualified)		Pension (Non-qualified)
	(in millions)
Accumulated benefit obligation	$	2,216	$	62	$	2,427	$	68
Projected benefit obligation	2,237		62		2,440		68
Fair value of plan assets	2,072		—		2,135		—

Schedule of Accumulated Other Comprehensive Income (Loss)

Amounts recognized in accumulated other comprehensive loss (gain) consist of the following:

	December 31,
	2021						2020
	Pension Benefits		Postretirement Benefits				Pension Benefits		Postretirement Benefits
	CenterPoint Energy		CenterPoint Energy		CERC		CenterPoint Energy		CenterPoint Energy		CERC
	(in millions)
Unrecognized actuarial loss (gain)	$	99	$	(23)	$	(18)	$	109	$	(14)	$	(12)
Unrecognized prior service cost	—		13		12		—		7		7
Net amount recognized in accumulated other comprehensive loss (gain)	$	99	$	(10)	$	(6)	$	109	$	(7)	$	(5)

Changes in accumulated comprehensive income (loss) are as follows:

	Year Ended December 31,
	2021						2020
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Beginning Balance	$	(90)	$	—	$	10	$	(98)	$	(15)	$	10
Other comprehensive income (loss) before reclassifications:
Remeasurement of pension and other postretirement plans	16		—		—		(12)		—		—
Other comprehensive income (loss) from unconsolidated affiliates	3		—		—		(2)		—		—
Amounts reclassified from accumulated other comprehensive loss:
Prior service cost (1)	1		—		1		—		—		1
Actuarial losses (1)	7		—		—		7		—		—
Settlement (2)	4		—		—		—		—		—
Reclassification of deferred loss from cash flow hedges realized in net income	2		—		—		—		—		—
Reclassification of deferred loss from cash flow hedges to regulatory assets (3)	—		—		—		19		19		—
Tax benefit (expense)	(7)		—		(1)		(4)		(4)		(1)
Net current period other comprehensive income (loss)	26		—		—		8		15		—
Ending Balance	$	(64)	$	—	$	10	$	(90)	$	—	$	10

(1)Amounts are included in the computation of net periodic cost and are reflected in Other, net in each of the Registrants’ respective Statements of Consolidated Income.

(2)Amounts presented represent a one-time, non-cash settlement cost (benefit), prior to regulatory deferrals, which are required when the total lump sum distributions or other settlements of plan benefit obligations during a plan year exceed the service cost and interest cost components of the net periodic cost for that year. Amounts presented in the table above are included in Other income (expense), net in CenterPoint Energy’s Statements of Consolidated Income, net of regulatory deferrals.

(3)The cost of debt approved by the PUCT as part of Houston Electric’s Stipulation and Settlement Agreement included unrealized gains and losses on interest rate hedges. Accordingly, deferred gains and losses on interest rate hedges were reclassified to regulatory assets or liabilities, as appropriate.

Schedule of Defined Benefit Plan Amounts Recognized in Other Comprehensive Income (Loss)

The changes in plan assets and benefit obligations recognized in other comprehensive income during 2021 are as follows:

	Pension Benefits		Postretirement Benefits
	CenterPoint Energy		CenterPoint Energy		CERC
	(in millions)
Net loss (gain)	$	1	$	(2)	$	—
Amortization of net loss	(7)		—		—
Amortization of prior service cost	—		(1)		(1)
Settlement	(4)		—		—
Total recognized in comprehensive income	$	(10)	$	(3)	$	(1)
Total recognized in net periodic costs and Other comprehensive income	$	59	$	—	$	3

Target Allocation of Plan Assets

As part of the investment strategy discussed above, CenterPoint Energy maintained the following weighted average allocation targets for its pension plans as of December 31, 2021:

	Minimum		Maximum
U.S. equity	17	%	27	%
International equity	9	%	19	%
Real estate	2	%	8	%
Fixed income	54	%	64	%
Cash	—	%	2	%

As part of the investment strategy discussed above, the Registrants maintained the following weighted average allocation targets for the postretirement plans as of December 31, 2021:

	CenterPoint Energy				Houston Electric				CERC
	Minimum		Maximum		Minimum		Maximum		Minimum		Maximum
U.S. equities	13	%	23	%	13	%	23	%	15	%	25	%
International equities	3	%	13	%	3	%	13	%	2	%	12	%
Fixed income	69	%	79	%	69	%	79	%	68	%	78	%
Cash	—	%	2	%	—	%	2	%	—	%	2	%

Schedule of Allocation of Plan Assets

The following tables set forth by level, within the fair value hierarchy (see Note 10), CenterPoint Energy’s pension plan assets at fair value as of December 31, 2021 and 2020:

	Fair Value Measurements as of December 31,
	2021								2020
	(Level 1)		(Level 2)		(Level 3)		Total		(Level 1)		(Level 2)		(Level 3)		Total
	(in millions)
Cash	$	26	$	—	$	—	$	26	$	29	$	—	$	—	$	29
Corporate bonds:
Investment grade or above	—		833		—		833		—		767		—		767
Equity securities:
U.S. companies	89		—		—		89		76		—		—		76
Cash received as collateral from securities lending	80		—		—		80		81		—		—		81
U.S. treasuries and government agencies	285		—		—		285		225		—		—		225
Mortgage backed securities	—		7		—		7		—		5		—		5
Asset backed securities	—		3		—		3		—		3		—		3
Municipal bonds	—		40		—		40		—		43		—		43
Mutual funds (2)	—		—		—		—		301		—		—		301
International government bonds	—		20		—		20		—		18		—		18
Obligation to return cash received as collateral from securities lending	(80)		—		—		(80)		(81)		—		—		(81)
Total investments at fair value	$	400	$	903	$	—	$	1,303	$	631	$	836	$	—	$	1,467
Investments measured by net asset value per share or its equivalent (1) (2)							769								668
Total Investments							$	2,072							$	2,135

(1)Represents investments in common collective trust funds.

(2)The amounts invested in mutual funds and common collective trust funds were allocated as follows:

	As of December 31,
	2021		2020
	Common Collective Trust Funds		Mutual Funds		Common Collective Trust Funds
International equities	41	%	14	%	37	%
U.S. equities	58	%	55	%	3	%
Real estate	—	%	5	%	1	%
Fixed income	1	%	27	%	59	%

The following table presents mutual funds by level, within the fair value hierarchy, the Registrants’ postretirement plan assets at fair value as of December 31, 2021 and 2020:

	Fair Value Measurements as of December 31,
	2021								2020
	Mutual Funds
	(Level 1)		(Level 2)		(Level 3)		Total		(Level 1)		(Level 2)		(Level 3)		Total
	(in millions)
CenterPoint Energy	$	133	$	—	$	—	$	133	$	134	$	—	$	—	$	134
Houston Electric	105		—		—		105		106		—		—		106
CERC	28		—		—		28		28		—		—		28

The amounts invested in mutual funds were allocated as follows:

	As of December 31,
	2021						2020
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
Fixed income	72	%	73	%	71	%	74	%	74	%	72	%
U.S. equities	20	%	19	%	22	%	19	%	18	%	21	%
International equities	8	%	8	%	7	%	7	%	8	%	7	%

Benefit Plan Contributions

The Registrants made the following contributions in 2021 and expect to make the following minimum contributions in 2022 to the indicated benefit plans below:

	Contributions in 2021						Expected Minimum Contributions in 2022
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Qualified pension plans	$	53	$	—	$	—	$	—	$	—	$	—
Non-qualified pension plans	8		—		—		7		—		—
Postretirement benefit plans	7		1		3		8		1		3

Schedule of Expected Benefit Payments

The following benefit payments are expected to be paid by the pension and postretirement benefit plans:

	Pension Benefits		Postretirement Benefits
	CenterPoint Energy		CenterPoint Energy		Houston Electric		CERC
	(in millions)
2022	$	166	$	16	$	7	$	4
2023	168		17		8		5
2024	167		18		9		5
2025	167		19		9		5
2026	163		20		9		6
2027-2031	730		103		48		30

Defined Contribution Plan Disclosures

CenterPoint Energy allocates the savings plan benefit expense to Houston Electric and CERC related to their respective employees. The following table summarizes the Registrants’ savings plan benefit expense for 2021, 2020 and 2019:

	Year Ended December 31,
	2021						2020						2019
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Savings plan benefit  expenses (1)	$	58	$	20	$	18	$	58	$	18	$	19	$	58	$	18	$	18

(1)Amounts presented in the table above are included in Operation and maintenance expense in the Registrants’ respective Statements of Consolidated Income and shown prior to any amounts capitalized.

Other Benefit Plans

Expenses related to other benefit plans were recorded as follows:

	Year Ended December 31,
	2021						2020						2019
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Postemployment benefits	$	3	$	1	$	2	$	1	$	1	$	—	$	2	$	1	$	1
Deferred compensation plans	3		—		—		4		1		—		4		1		—

Amounts related to other benefit plans were included in Benefit Obligations in the Registrants’ accompanying Consolidated Balance Sheets as follows:

	December 31, 2021						December 31, 2020
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Postemployment benefits	$	8	$	3	$	5	$	8	$	3	$	5
Deferred compensation plans	40		6		3		43		7		2
Split-dollar life insurance arrangements	29		1		—		32		1		—

Other Employee Matters

As of December 31, 2021, the Registrants’ employees were covered by collective bargaining agreements as follows:

		Percentage of Employees Covered
	Agreement Expiration	CenterPoint Energy		Houston Electric		CERC
IBEW Local 66	May 2023	15	%	54	%	—	%
OPEIU Local 12	December 2025	2	%	—	%	3	%
Gas Workers Union Local 340	April 2025	5	%	—	%	12	%
IBEW Locals 1393 and USW Locals 12213 & 7441	December 2023	3	%	—	%	—	%
IBEW Locals 949	December 2025	3	%	—	%	7	%
USW Locals 13-227	June 2022	5	%	—	%	14	%
USW Locals 13-1	July 2022	—	%	—	%	1	%
IBEW Local 702	June 2022	3	%	—	%	—	%
Teamsters Local 135	October 2024	—	%	—	%	—	%
UWUA Local 175	October 2024	1	%	—	%	—	%
Total		37	%	54	%	37	%

Negotiations are currently in progress for the collective bargaining agreements scheduled to expire in 2022 and are expected to be completed before the respective expirations.

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Derivative Instruments (Tables)

12 Months Ended

Dec. 31, 2021

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Notional Amounts of Outstanding Derivative Positions

The table below summarizes the Registrants’ outstanding interest rate hedging activity:

	December 31, 2021		December 31, 2020
Hedging Classification	Notional Principal
	(in millions)
Economic hedge (1)	$	84	$	84

(1)Relates to interest rate derivative instruments at SIGECO.

Fair Value of Derivative Instruments

The following tables present information about derivative instruments and hedging activities. The first table provides a balance sheet overview of Derivative Assets and Liabilities as of December 31, 2021 and 2020, while the last table provides a breakdown of the related income statement impacts for the years ending December 31, 2021, 2020 and 2019.

Fair Value of Derivative Instruments and Hedged Items (CenterPoint Energy)

		December 31, 2021				December 31, 2020
	Balance Sheet Location	Derivative Assets Fair Value		Derivative Liabilities Fair Value		Derivative Assets Fair Value		Derivative Liabilities Fair Value
		(in millions)
Derivatives not designated as hedging instruments:
Natural gas derivatives (1)	Current Assets: Non-trading derivative assets	$	9	$	—	$	—	$	—
Natural gas derivatives (1)	Other Assets: Non-trading derivative assets	5		—		—		—
Natural gas derivatives (1)	Current Liabilities: Non-trading derivative liabilities	—		—		—		3
Interest rate derivatives	Current Liabilities: Non-trading derivative liabilities	—		2		—		—
Natural gas derivatives (1)	Other Liabilities: Non-trading derivative liabilities	—		—		—		7
Interest rate derivatives	Other Liabilities: Non-trading derivative liabilities	—		12		—		20
Indexed debt securities derivative (2)	Current Liabilities	—		903		—		953
	Total	$	14	$	917	$	—	$	983

(1)Natural gas contracts are subject to master netting arrangements. This netting applies to all undisputed amounts due or past due. However, the mark-to-market fair value of each natural gas contract is in a liability position with no offsetting amount

(2)Derivative component of the ZENS obligation that represents the ZENS holder’s option to receive the appreciated value of the reference shares at maturity. See Note 12 for further information.

Income Statement Impact of Derivative Activity

Income Statement Impact of Hedge Accounting Activity (CenterPoint Energy)

		Year Ended December 31,
	Income Statement Location	2021		2020		2019
		(in millions)
Effects of derivatives not designated as hedging instruments on the income statement:
Indexed debt securities derivative	Gain (loss) on indexed debt securities	$	50	$	(60)	$	(292)
Total CenterPoint Energy		$	50	$	(60)	$	(292)

(c) Credit Risk Contingent Features (CenterPoint Energy)

Certain of CenterPoint Energy’s derivative instruments contain provisions that require CenterPoint Energy’s debt to maintain an investment grade credit rating on its long-term unsecured unsubordinated debt from S&P and Moody’s. If CenterPoint Energy’s debt were to fall below investment grade, it would be in violation of these provisions, and the counterparties to the derivative instruments could request immediate payment.

	As of December 31,
	2021		2020
	(in millions)
Aggregate fair value of derivatives with credit-risk-related contingent features in a liability position	$	14	$	20
Fair value of collateral already posted	7		7
Additional collateral required to be posted if credit risk contingent features triggered (1)	7		3

(1)The maximum collateral required if further escalating collateral is triggered would equal the net liability position.

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Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2021

Fair Value Disclosures [Abstract]

Fair Value, Assets Measured on a Recurring Basis

The following tables present information about the Registrants’ assets and liabilities (including derivatives that are presented net) measured at fair value on a recurring basis as of December 31, 2021 and December 31, 2020, and indicate the fair value hierarchy of the valuation techniques utilized by the Registrants to determine such fair value.

CenterPoint Energy

	December 31, 2021								December 31, 2020
	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Assets	(in millions)
Equity securities	$	1,439	$	—	$	—	$	1,439	$	873	$	—	$	—	$	873
Investments, including money market funds (1)	42		—		—		42		43		—		—		43
Natural gas derivatives	—		14		—		14		—		—		—		—
Total assets	$	1,481	$	14	$	—	$	1,495	$	916	$	—	$	—	$	916
Liabilities
Indexed debt securities derivative	$	—	$	903	$	—	$	903	$	—	$	953	$	—	$	953
Interest rate derivatives	—		14		—		14		—		20		—		20
Natural gas derivatives	—		—		—		—		—		10		—		10
Total liabilities	$	—	$	917	$	—	$	917	$	—	$	983	$	—	$	983

Houston Electric

	December 31, 2021								December 31, 2020
	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Assets	(in millions)
Investments, including money market funds (1)	$	27	$	—	$	—	$	27	$	26	$	—	$	—	$	26
Total assets	$	27	$	—	$	—	$	27	$	26	$	—	$	—	$	26

CERC

	December 31, 2021								December 31, 2020
	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Assets	(in millions)
Investments, including money market funds (1)	$	14	$	—	$	—	$	14	$	13	$	—	$	—	$	13
Total assets	$	14	$	—	$	—	$	14	$	13	$	—	$	—	$	13

(1)Amounts are included in Prepaid and Other Current Assets in the respective Consolidated Balance Sheets.

Estimated Fair Value of Financial Instruments, Debt Instruments

The fair values of cash and cash equivalents, investments in debt and equity securities classified as “trading” and short-term borrowings are estimated to be approximately equivalent to carrying amounts and have been excluded from the table below. The carrying amounts of non-trading derivative assets and liabilities and CenterPoint Energy’s equity securities, including ZENS related derivative liabilities, are stated at fair value and are excluded from the table below. The fair value of each debt instrument is determined by multiplying the principal amount of each debt instrument by a combination of historical trading prices and comparable issue data. These liabilities, which are not measured at fair value in the Registrants’ Consolidated Balance Sheets, but for which the fair value is disclosed, would be classified as Level 2 in the fair value hierarchy.

	December 31, 2021						December 31, 2020
	CenterPoint Energy (1)		Houston Electric (1)		CERC		CenterPoint Energy (1)		Houston Electric (1)		CERC
Long-term debt, including current maturities	(in millions)
Carrying amount	$	16,086	$	5,495	$	4,380	$	13,401	$	5,019	$	2,428
Fair value	17,385		6,230		4,682		15,226		5,957		2,855

(1)Includes Securitization Bond debt.

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Unconsolidated Affiliate (CenterPoint Energy and CERC) (Tables)

12 Months Ended

Dec. 31, 2021

Equity Method Investments and Joint Ventures [Abstract]

Equity Method Investments

Distributions Received from Enable (CenterPoint Energy and CERC):

CenterPoint Energy

	Year Ended December 31,
	2021				2020				2019
	Per Unit		Cash Distribution		Per Unit		Cash Distribution		Per Unit		Cash Distribution
	(in millions, except per unit amounts)
Enable Common Units	$	0.6610	$	155	$	0.8263	$	193	$	1.2970	$	303
Enable Series A Preferred Units (1)	2.2965		34		2.5000		36		2.5000		36
Total			$	189			$	229			$	339

(1)As of December 31, 2020, the Enable Series A Preferred Units annual distribution rate was 10%. On February 18, 2021, five years after the issue date, the Enable Series A Preferred Units annual distribution rate changed to a percentage of the Stated Series A Liquidation Preference per Enable Series A Preferred Unit equal to the sum of (a) Three-Month LIBOR, as calculated on each applicable date of determination, and (b) 8.5%.

The transactions with Enable through December 2, 2021 in the following tables exclude transactions with the Energy Services Disposal Group. See Note 4 for further information.

	CenterPoint Energy and CERC
	Year Ended December 31,
	2021		2020		2019
	(in millions)
Natural gas expenses, including transportation and storage costs (1)	$	85	$	86	$	86

(1)Included in Non-utility costs of revenues, including natural gas on CenterPoint Energy’s and CERC’s respective Statements of Consolidated Income.

	CenterPoint Energy and CERC
	December 31,
	2020
	(in millions)
Accounts payable for natural gas purchases from Enable	$	9
Accounts receivable for amounts billed for services provided to Enable	1

Summarized consolidated income (loss) information for Enable is as follows:

	Year Ended December 31,
	2021 (1)		2020		2019
	(in millions)
Operating revenues	$	3,466	$	2,463	$	2,960
Cost of sales, excluding depreciation and amortization	1,959		965		1,279
Depreciation and amortization	382		420		433
Goodwill impairment	—		28		86
Operating income	634		465		569
Net income attributable to Enable Common Units	461		52		360
Reconciliation of Equity in Earnings (Losses), net before income taxes:
CenterPoint Energy’s interest	$	248	$	28	$	193
Basis difference amortization (2)	92		87		47
Loss on dilution, net of proportional basis difference recognition	(1)		(2)		(11)
Impairment of CenterPoint Energy’s equity method investment in Enable	—		(1,541)		—
Gain on Enable Merger	680		—		—
CenterPoint Energy’s equity in earnings (losses), net before income taxes (3)	$	1,019	$	(1,428)	$	229

(1)Reflects January 1, 2021 to December 2, 2021 results only due to the closing of the Enable Merger.

(2)Equity in earnings of unconsolidated affiliate includes CenterPoint Energy’s share of Enable earnings adjusted for the amortization of the basis difference of CenterPoint Energy’s original investment in Enable and its underlying equity in net assets of Enable. The basis difference was being amortized through the year 2048 and ceased upon closing of the Enable Merger.

(3)Reported as discontinued operations on CenterPoint Energy’s Statements of Consolidated Income. For further information, see Note 4.

Summarized consolidated balance sheet information for Enable is as follows:

	December 2,		December 31,
	2021 (1)		2020
	(in millions)
Current assets	$	594	$	381
Non-current assets	11,227		11,348
Current liabilities	1,254		582
Non-current liabilities	3,281		4,052
Non-controlling interest	26		26
Preferred equity	362		362
Accumulated other comprehensive loss	(1)		(6)
Enable partners’ equity	6,899		6,713
Reconciliation of Investment in Enable:
CenterPoint Energy’s ownership interest in Enable partners’ equity	$	3,701	$	3,601
CenterPoint Energy’s basis difference (2)	(2,732)		(2,819)
CenterPoint Energy’s equity method investment in Enable (3)	$	969	$	782

(1)Reflects balances as of the closing of the Enable Merger on December 2, 2021.

(2)Includes the impairment of CenterPoint Energy’s equity method investment in Enable of $1,541 million recorded during the year ended December 31, 2020. The basis difference was being amortized through the year 2048 and ceased upon closing of the Enable Merger.

(3)Reflected in assets held for sale in CenterPoint Energy’s Consolidated Balance Sheet as of December 31, 2020. For further information, see Note 4.

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Equity Securities and Indexed Debt Securities (ZENS) (CenterPoint Energy) (Tables)

12 Months Ended

Dec. 31, 2021

Indexed Debt Securities [Abstract]

Summarized Financial Information on Investment in Time Warner Securities and Indexed Debt Security Obligation

CenterPoint Energy’s sales of equity securities during the year ended December 31, 2021 are as follows:

Equity Security/Date Sold	Units Sold	Proceeds (2)
		(in millions)
Energy Transfer Common Units
December 8, 2021 (1)	50,000,000	$	384
December 10, 2021	100,000,000	$	745
Energy Transfer Series G Preferred Units
December 13, 2021	192,390	$	191

(1)Settlement date for a forward sale transaction that CNP Midstream entered into through a Forward Sale Agreement on September 1, 2021 with an investment banking financial institution for 50 million Energy Transfer Common Units CNP Midstream received as consideration in the Enable Merger in exchange for the proceeds of the forward sale transaction.

(2)Proceeds are net of transaction costs.

CenterPoint Energy’s reference shares for each ZENS consisted of the following:

	December 31,
	2021	2020
	(in shares)
AT&T Common	0.7185	0.7185
Charter Common	0.061382	0.061382

The following table sets forth summarized financial information regarding CenterPoint Energy’s investment in ZENS-Related Securities and each component of CenterPoint Energy’s ZENS obligation. 

	ZENS-Related Securities		Debt Component of ZENS		Derivative Component of ZENS
	(in millions)
Balance as of December 31, 2018	$	540	$	24	$	601
Accretion of debt component of ZENS	—		17		—
2% interest paid	—		(17)		—
Distribution to ZENS holders	—		(5)		—
Loss on indexed debt securities	—		—		292
Gain on ZENS-Related Securities	282		—		—
Balance as of December 31, 2019	822		19		893
Accretion of debt component of ZENS	—		17		—
2% interest paid	—		(16)		—
Distribution to ZENS holders	—		(5)		—
Loss on indexed debt securities	—		—		60
Gain on ZENS-Related Securities	49		—		—
Balance as of December 31, 2020	871		15		953
Accretion of debt component of ZENS	—		17		—
2% interest paid	—		(17)		—
Distribution to ZENS holders	—		(5)		—
Gain on indexed debt securities	—		—		(50)
Loss on ZENS-Related Securities	(51)		—		—
Balance as of December 31, 2021	$	820	$	10	$	903

Gain (Loss) on Securities

Gains and losses on equity securities, net of transaction costs, are recorded as Gain (Loss) on Equity Securities in CenterPoint Energy’s Statements of Consolidated Income.

	Gains (Losses) on Equity Securities
	Year Ended December 31,
	2021		2020		2019
			(in millions)
AT&T Common	$	(43)	$	(105)	$	108
Charter Common	(8)		154		174
Energy Transfer Common Units	(124)		—		—
Energy Transfer Series G Preferred Units	2		—		—
Other	1		—		—
	$	(172)	$	49	$	282

Debt Securities, Trading, and Equity Securities, FV-NI

CenterPoint Energy and its subsidiaries hold shares of certain securities detailed in the table below, which are classified as trading securities. Shares of AT&T Common and Charter Common are expected to be held to facilitate CenterPoint Energy’s ability to meet its obligation under the ZENS.

	Shares Held at December 31,		Carrying Value at December 31,
	2021	2020	2021		2020
			(in millions)
AT&T Common	10,212,945	10,212,945	$	251	$	294
Charter Common	872,503	872,503	569		577
Energy Transfer Common Units	50,999,768	—	420		—
Energy Transfer Series G Preferred Units	192,390	—	196		—
Other			3		—
			$	1,439	$	871

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Equity (CenterPoint Energy) (Tables)

12 Months Ended

Dec. 31, 2021

Stockholders' Equity Note [Abstract]

Dividends Declared [Table Text Block]

CenterPoint Energy declared and paid dividends on its Common Stock during 2021, 2020 and 2019 as presented in the table below:

	Dividends Declared Per Share						Dividends Paid Per Share
	2021		2020 (2)		2019		2021		2020 (2)		2019
Common Stock	$	0.6600	$	0.9000	$	0.8625	$	0.6500	$	0.7400	$	0.8625
Series A Preferred Stock	61.2500		91.8750		30.6250		61.2500		61.2500		30.6250
Series B Preferred Stock	35.0000		87.5000		52.5000		52.5000		70.0000		52.5000
Series C Preferred Stock (1)	—		0.6100		—		0.1600		0.4500		—

(1)The Series C Preferred Stock was entitled to participate in any dividend or distribution (excluding those payable in Common Stock) with the Common Stock on a pari passu, pro rata, as-converted basis. The per share amount reflects the dividend per share of Common Stock as if the Series C Preferred Stock were converted into Common Stock. There were no Series C Preferred Stock outstanding or dividends declared in 2019. All of the outstanding Series C Preferred Stock was converted to Common Stock during 2021 as described below.

(2)On April 1, 2020, in response to the reduction in cash flow related to the reduction in Enable quarterly common unit distributions announced by Enable on April 1, 2020, CenterPoint Energy announced a reduction of its quarterly Common Stock dividend per share from $0.2900 to $0.1500.

Preferred Stock (CenterPoint Energy)

	Liquidation Preference Per Share		Shares Outstanding as of December 31,			Outstanding Value as of December 31,
			2021	2020	2019	2021		2020		2019
	(in millions, except shares and per share amount)
Series A Preferred Stock	$	1,000	800,000	800,000	800,000	$	790	$	790	$	790
Series B Preferred Stock	1,000		—	977,400	977,500	—		950		950
Series C Preferred Stock	1,000		—	625,000	—	—		623		—
			800,000	2,402,400	1,777,500	$	790	$	2,363	$	1,740

Dividend Requirement on Preferred Stock

	Year Ended December 31,
	2021		2020		2019
	(in millions)
Series A Preferred Stock	$	49	$	49	$	49
Series B Preferred Stock	46		68		68
Series C Preferred Stock	—		27		—
Preferred dividend requirement	95		144		117
Amortization of beneficial conversion feature	—		32		—
Total income allocated to preferred shareholders	$	95	$	176	$	117

Schedule of Accumulated Other Comprehensive Income (Loss)

Amounts recognized in accumulated other comprehensive loss (gain) consist of the following:

	December 31,
	2021						2020
	Pension Benefits		Postretirement Benefits				Pension Benefits		Postretirement Benefits
	CenterPoint Energy		CenterPoint Energy		CERC		CenterPoint Energy		CenterPoint Energy		CERC
	(in millions)
Unrecognized actuarial loss (gain)	$	99	$	(23)	$	(18)	$	109	$	(14)	$	(12)
Unrecognized prior service cost	—		13		12		—		7		7
Net amount recognized in accumulated other comprehensive loss (gain)	$	99	$	(10)	$	(6)	$	109	$	(7)	$	(5)

Changes in accumulated comprehensive income (loss) are as follows:

	Year Ended December 31,
	2021						2020
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Beginning Balance	$	(90)	$	—	$	10	$	(98)	$	(15)	$	10
Other comprehensive income (loss) before reclassifications:
Remeasurement of pension and other postretirement plans	16		—		—		(12)		—		—
Other comprehensive income (loss) from unconsolidated affiliates	3		—		—		(2)		—		—
Amounts reclassified from accumulated other comprehensive loss:
Prior service cost (1)	1		—		1		—		—		1
Actuarial losses (1)	7		—		—		7		—		—
Settlement (2)	4		—		—		—		—		—
Reclassification of deferred loss from cash flow hedges realized in net income	2		—		—		—		—		—
Reclassification of deferred loss from cash flow hedges to regulatory assets (3)	—		—		—		19		19		—
Tax benefit (expense)	(7)		—		(1)		(4)		(4)		(1)
Net current period other comprehensive income (loss)	26		—		—		8		15		—
Ending Balance	$	(64)	$	—	$	10	$	(90)	$	—	$	10

(1)Amounts are included in the computation of net periodic cost and are reflected in Other, net in each of the Registrants’ respective Statements of Consolidated Income.

(2)Amounts presented represent a one-time, non-cash settlement cost (benefit), prior to regulatory deferrals, which are required when the total lump sum distributions or other settlements of plan benefit obligations during a plan year exceed the service cost and interest cost components of the net periodic cost for that year. Amounts presented in the table above are included in Other income (expense), net in CenterPoint Energy’s Statements of Consolidated Income, net of regulatory deferrals.

(3)The cost of debt approved by the PUCT as part of Houston Electric’s Stipulation and Settlement Agreement included unrealized gains and losses on interest rate hedges. Accordingly, deferred gains and losses on interest rate hedges were reclassified to regulatory assets or liabilities, as appropriate.

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Short-term Borrowings and Long-term Debt (Tables)

12 Months Ended

Dec. 31, 2021

Debt Disclosure [Abstract]

Schedule of Debt

	December 31, 2021				December 31, 2020
	Long-Term		Current (1)		Long-Term		Current (1)
	(in millions)
CenterPoint Energy:
ZENS due 2029 (2)	$	—	$	10	$	—	$	15
CenterPoint Energy senior notes 0.68% to 4.25% due 2024 to 2049	3,650		—		2,700		500
CenterPoint Energy variable rate term loan 0.865% due 2021	—		—		—		700
CenterPoint Energy pollution control bonds 5.125% due 2028 (3)	68		—		68		—
CenterPoint Energy commercial paper (4) (5)	1,400		—		1,078		—
VUHI senior notes 3.72% to 6.10% due 2023 to 2045 (6)	377		—		377		55
VUHI commercial paper (4) (5)	350		—		92		—
IGC senior notes 6.34% to 7.08% due 2025 to 2029	96		—		96		—
SIGECO first mortgage bonds 0.820% to 6.72% due 2022 to 2055 (7)	288		5		293		—
Other debt	4		3		6		12
Unamortized debt issuance costs	(23)		—		(17)		—
Unamortized discount and premium, net	(7)		—		(6)		—
Houston Electric debt (see details below)	4,975		520		4,406		613
CERC debt (see details below)	4,380		7		2,428		24
Total CenterPoint Energy debt	$	15,558	$	545	$	11,521	$	1,919

Houston Electric:
First mortgage bonds 9.15% due 2021	$	—	$	—	$	—	$	102
General mortgage bonds 2.25% to 6.95% due 2022 to 2051	4,712		300		3,912		300
Restoration Bond Company:
System restoration bonds 4.243% due 2022	—		70		69		66
Bond Company IV:
Transition bonds 3.028% due 2024	317		150		467		145
Unamortized debt issuance costs	(36)		—		(28)		—
Unamortized discount and premium, net	(18)		—		(14)		—
Total Houston Electric debt	$	4,975	$	520	$	4,406	$	613

CERC (8):
Short-term borrowings:
Inventory financing (9)	$	—	$	7	$	—	$	24
Total CERC short-term borrowings	—		7		—		24
Long-term debt:
Senior notes 0.62% to 6.625% due 2023 to 2047	$	3,500	$	—	$	2,100	$	—
Commercial paper (4) (5)	899		—		347		—
Unamortized debt issuance costs	(15)		—		(15)		—
Unamortized discount and premium, net	(4)		—		(4)		—
Total CERC long-term debt	4,380		—		2,428		—
Total CERC debt	$	4,380	$	7	$	2,428	$	24

(1)Includes amounts due or exchangeable within one year of the date noted.

(2)CenterPoint Energy’s ZENS obligation is bifurcated into a debt component and an embedded derivative component. For additional information regarding ZENS, see Note 12(b). As ZENS are exchangeable for cash at any time at the option of the holders, these notes are classified as a current portion of long-term debt.

(3)These pollution control bonds were secured by general mortgage bonds of Houston Electric as of December 31, 2021 and 2020 and are not reflected in Houston Electric’s consolidated financial statements because of the contingent nature of the obligations.

(4)Classified as long-term debt because the termination date of the facility that backstops the commercial paper is more than one year from the date noted.

(5)Commercial paper issued by CenterPoint Energy, CERC Corp. and VUHI has maturities up to 60 days, 30 days, and 30 days, respectively, and are backstopped by the respective issuer’s long-term revolving credit facility.

(6)The senior notes issued by VUHI are guaranteed by SIGECO, Indiana Gas and VEDO.

(7)The first mortgage bonds issued by SIGECO subject SIGECO’s properties to a lien under the related mortgage indenture as further discussed below.

(8)Issued by CERC Corp.

(9)Represents AMA transactions accounted for as an inventory financing. Outstanding obligations related to third-party AMAs associated with utility distribution service in Arkansas and Oklahoma of $36 million as of December 31, 2021 are reflected in current liabilities held for sale on CenterPoint Energy’s and CERC’s Condensed Consolidated Balance Sheets. For further information about AMAs, see Notes 4 and 16.

Schedule of Revolving Credit Facilities and Utilization of Such Facilities

During 2021, the following debt instruments were issued or incurred:

Registrant	Issuance Date	Debt Instrument	Aggregate Principal Amount		Interest Rate	Maturity Date
		(in millions)
CERC	March 2021	Senior Notes	$	700	0.70%	2023
CERC	March 2021	Floating Rate Senior Notes	1,000		Three-month LIBOR plus 0.5%	2023
		Total CERC(1)	1,700
Houston Electric	March 2021	General Mortgage Bonds	400		2.35%	2031
Houston Electric	March 2021	General Mortgage Bonds	700		3.35%	2051
		Total Houston Electric (2)	1,100
CenterPoint Energy	May 2021	Senior Notes	500		1.45%	2026
CenterPoint Energy	May 2021	Senior Notes	500		2.65%	2031
CenterPoint Energy	May 2021	Floating Rate Senior Notes	700		SOFR plus 0.65%	2024
		Total CenterPoint Energy (3)	$	4,500

(1)In February 2021, CERC Corp. received financing commitments totaling $1.7 billion on a 364-day term loan facility to bridge any working capital needs related to the February 2021 Winter Storm Event. Total proceeds of the senior notes and floating rate senior note offerings, net of issuance expenses and fees, of approximately $1.69 billion were used for general corporate purposes, including to fund working capital. Upon the consummation of its senior notes offerings, in March 2021, CERC Corp. terminated all of the commitments for the 364-day term loan facility.

(2)Total proceeds, net of issuance expenses and fees, of approximately $1.08 billion were used for general limited liability company purposes, including capital expenditures and the repayment of outstanding debt discussed below and Houston Electric’s borrowings under the CenterPoint Energy money pool.

(3)Total proceeds, net of issuance expenses and fees, of approximately $1.69 billion, excluding amounts issued by Houston Electric and CERC, were used for general corporate purposes, including the repayment of outstanding debt discussed below and a portion of CenterPoint Energy’s outstanding commercial paper.

During 2021, the following debt instruments were repaid at maturity or redeemed, excluding scheduled principal payments of $211 million on the Securitization bonds:

Registrant	Repayment/Redemption Date	Debt Instrument	Aggregate Principal		Interest Rate	Maturity Date
			(in millions)
CERC (1)	December 2021	Senior Notes	$	300	3.55%	2023
		Total CERC	300
Houston Electric	March 2021	First Mortgage Bonds	102		9.15%	2021
Houston Electric (2)	May 2021	General Mortgage Bonds	300		1.85%	2021
		Total Houston Electric	402
CenterPoint Energy (3)	January 2021	Senior Notes	250		3.85%	2021
CenterPoint Energy (4)	May 2021	Term Loan	700		0.76%	2021
CenterPoint Energy (5)	June 2021	Senior Notes	500		3.60%	2021
CenterPoint Energy	November 2021	Senior Notes	55		4.67%	2021
CenterPoint Energy (6)	December 2021	Senior Notes	500		2.50%	2022
		Total CenterPoint Energy	$	2,707

(1)In December 2021, CERC provided notice of redemption and on December 30, 2021, CERC redeemed all of the outstanding senior notes of the series at a redemption price equal to 100% of the principal amount, plus accrued and unpaid interest and an applicable make-whole premium.

(2)In April 2021, Houston Electric provided notice of redemption and on May 1, 2021, Houston Electric redeemed all of the outstanding bonds of the series at a redemption price equal to 100% of the principal amount, plus accrued and unpaid interest.

(3)In December 2020, CenterPoint Energy provided notice of redemption of a portion of its outstanding $500 million aggregate principal amount of the series and on January 15, 2021, CenterPoint Energy redeemed $250 million aggregate principal amount of the series at a redemption price equal to 100% of the principal amount redeemed, plus accrued and unpaid interest and an applicable make-whole premium.

(4)In April 2021, CenterPoint Energy amended its existing term loan agreement by extending its maturity from May 15, 2021 to June 14, 2021. The outstanding LIBOR rate loan balance was prepaid in full at a price equal to 100% of the principal amount, plus accrued and unpaid interest, which was calculated based on the interest rate at maturity.

(5)In May 2021, CenterPoint Energy provided notice of redemption and on June 1, 2021, CenterPoint Energy redeemed all of the outstanding senior notes of the series at a redemption price equal to 100% of the principal amount, plus accrued and unpaid interest and an applicable make-whole premium.

(6)In December 2021, CenterPoint Energy provided notice of redemption and on December 30, 2021, CenterPoint Energy redeemed all of the outstanding senior notes of the series at a redemption price equal to 100% of the principal amount, plus accrued and unpaid interest and an applicable make-whole premium.

The Registrants had the following revolving credit facilities as of December 31, 2021:

Execution  Date	Registrant	Size of Facility		Draw Rate of LIBOR plus (1)	Financial Covenant Limit on Debt for Borrowed Money to Capital Ratio		Debt for Borrowed Money to Capital Ratio as of December 31, 2021 (2)	Termination  Date
		(in millions)
February 4, 2021	CenterPoint Energy	$	2,400	1.625%	65%	(3)	61.8%	February 4, 2024
February 4, 2021	CenterPoint Energy (4)	400		1.250%	65%		48.9%	February 4, 2024
February 4, 2021	Houston Electric	300		1.375%	67.5%	(3)	56.2%	February 4, 2024
February 4, 2021	CERC	900		1.250%	65%		60.6%	February 4, 2024
	Total	$	4,000

(1)Based on credit ratings as of December 31, 2021.

(2)As defined in the revolving credit facility agreement, excluding Securitization Bonds.

(3)For CenterPoint Energy and Houston Electric, the financial covenant limit will temporarily increase to 70% if Houston Electric experiences damage from a natural disaster in its service territory and CenterPoint Energy certifies to the administrative agent that Houston Electric has incurred system restoration costs reasonably likely to exceed $100 million in a consecutive 12-month period, all or part of which Houston Electric intends to seek to recover through securitization financing. Such temporary increase in the financial covenant would be in effect from the date CenterPoint Energy delivers its certification until the earliest to occur of (i) the completion of the securitization financing, (ii) the first anniversary of CenterPoint Energy’s certification or (iii) the revocation of such certification.

(4)This credit facility was issued by VUHI, is guaranteed by SIGECO, Indiana Gas and VEDO and includes a $20 million letter of credit sublimit. This credit facility backstops VUHI’s commercial paper program.

The Registrants, as well as the subsidiaries of CenterPoint Energy discussed above, were in compliance with all financial debt covenants as of December 31, 2021.

As of December 31, 2021 and 2020, the Registrants had the following revolving credit facilities and utilization of such facilities:

	December 31, 2021								December 31, 2020
Registrant	Loans		Letters of Credit		Commercial Paper		Weighted Average Interest Rate		Loans		Letters of Credit		Commercial Paper		Weighted Average Interest Rate
	(in millions, except weighted average interest rate)
CenterPoint Energy (1)	$	—	$	11	$	1,400	0.34	%	$	—	$	11	$	1,078	0.23	%
CenterPoint Energy (2)	—		—		350		0.21	%	—		—		92		0.22	%
Houston Electric	—		—		—		—	%	—		—		—		—	%
CERC	—		—		899		0.26	%	—		—		347		0.23	%
Total	$	—	$	11	$	2,649			$	—	$	11	$	1,517

(1)CenterPoint Energy’s outstanding commercial paper generally has maturities of 60 days or less.

(2)This credit facility was issued by VUHI and is guaranteed by SIGECO, Indiana Gas and VEDO.

Schedule of Maturities of Long-term Debt

Maturities. As of December 31, 2021, maturities of long-term debt, excluding the ZENS obligation and unamortized discounts, premiums and issuance costs, were as follows:

	CenterPoint Energy (1)		Houston  Electric (1)		CERC		Securitization Bonds
	(in millions)
2022	$	524	$	520	$	—	$	220
2023	2,113		356		1,700		156
2024	4,283		161		899		161
2025	51		—		—		—
2026	860		300		—		—

(1)These maturities include Securitization Bonds principal repayments on scheduled payment dates.

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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2021

Income Tax Disclosure [Abstract]

Income Tax Expense

The components of the Registrant’s income tax expense (benefit) were as follows:

	Year Ended December 31,
	2021		2020		2019
	(in millions)
CenterPoint Energy - Continuing Operations
Current income tax expense (benefit):
Federal	$	—	$	(36)	$	(6)
State	(28)		32		13
Total current expense (benefit)	(28)		(4)		7
Deferred income tax expense (benefit):
Federal	78		63		48
State	60		21		(25)
Total deferred expense	138		84		23
Total income tax expense	$	110	$	80	$	30

	Year Ended December 31,
	2021		2020		2019
	(in millions)
CenterPoint Energy - Discontinued Operations
Current income tax expense:
Federal	$	91	$	152	$	54
State	35		28		8
Total current expense	126		180		62
Deferred income tax expense (benefit):
Federal	127		(422)		26
State	(52)		(91)		20
Total deferred expense (benefit)	75		(513)		46
Total income tax expense (benefit)	$	201	$	(333)	$	108
Houston Electric
Current income tax expense:
Federal	$	22	$	76	$	84
State	22		19		20
Total current expense	44		95		104
Deferred income tax expense (benefit):
Federal	31		(42)		(24)
State	1		—		—
Total deferred expense (benefit)	32		(42)		(24)
Total income tax expense	$	76	$	53	$	80
CERC - Continuing Operations
Current income tax expense (benefit):
State	$	(26)	$	4	$	5
Total current expense (benefit)	(26)		4		5
Deferred income tax expense (benefit):
Federal	49		26		26
State	28		67		(34)
Total deferred expense (benefit)	77		93		(8)
Total income tax expense (benefit)	$	51	$	97	$	(3)
CERC - Discontinued Operations
Current income tax expense:
State	—		—		2
Total current expense	—		—		2
Deferred income tax expense (benefit):
Federal	—		—		13
State	—		(2)		2
Total deferred expense (benefit)	—		(2)		15
Total income tax expense (benefit)	$	—	$	(2)	$	17

Reconciliation of Expected Federal Income Tax Expense to Actual

A reconciliation of income tax expense (benefit) using the federal statutory income tax rate to the actual income tax expense and resulting effective income tax rate is as follows:

	Year Ended December 31,
	2021			2020			2019
	(in millions)
CenterPoint Energy - Continuing Operations (1) (2) (3)
Income before income taxes	$	778		$	563		$	545
Federal statutory income tax rate	21		%	21		%	21		%
Expected federal income tax expense	163			118			114
Increase (decrease) in tax expense resulting from:
State income tax expense, net of federal income tax	63			40			27
State valuation allowance, net of federal income tax	(15)			1			(4)
State law change, net of federal income tax	(23)			—			(33)
Excess deferred income tax amortization	(75)			(76)			(55)
Goodwill impairment	—			39			—
Net operating loss carryback	—			(37)			—
Other, net	(3)			(5)			(19)
Total	(53)			(38)			(84)
Total income tax expense	$	110		$	80		$	30
Effective tax rate	14		%	14		%	6		%
CenterPoint Energy - Discontinued Operations (4)(5) (6)
Income (loss) before income taxes	$	1,019		$	(1,589)		$	384
Federal statutory income tax rate	21		%	21		%	21		%
Expected federal income tax expense (benefit)	214			(334)			81
Increase (decrease) in tax expense resulting from:
State income tax expense, net of federal income tax	14			(60)			9
State law change, net of federal income tax	(27)			—			12
Goodwill impairment	—			25			8
Tax impact of sale of Energy Services and Infrastructure Services Disposal Groups	—			30			—
Other, net	—			6			(2)
Total	(13)			1			27
Total income tax expense (benefit)	$	201		$	(333)		$	108
Effective tax rate	20		%	21		%	28		%
Houston Electric (7) (8) (9)
Income before income taxes	$	457		$	387		$	436
Federal statutory income tax rate	21		%	21		%	21		%
Expected federal income tax expense	96			81			92
Increase (decrease) in tax expense resulting from:
State income tax expense, net of federal income tax	18			15			16
Excess deferred income tax amortization	(41)			(42)			(21)
Other, net	3			(1)			(7)
Total	(20)			(28)			(12)
Total income tax expense	$	76		$	53		$	80
Effective tax rate	17		%	14		%	18		%

	Year Ended December 31,
	2021			2020			2019
	(in millions)
CERC - Continuing Operations (10) (11) (12)
Income before income taxes	$	305		$	244		$	186
Federal statutory income tax rate	21		%	21		%	21		%
Expected federal income tax expense	64			51			39
Increase (decrease) in tax expense resulting from:
State income tax expense, net of federal income tax	33			55			(15)
State law change, net of federal income tax	(15)			—			(4)
State valuation allowance, net of federal income tax	(15)			1			(4)
Excess deferred income tax amortization	(16)			(16)			(18)
Other, net	—			6			(1)
Total	(13)			46			(42)
Total income tax expense (benefit)	$	51		$	97		$	(3)
Effective tax rate	17		%	40		%	(2)		%
CERC - Discontinued Operations (13) (14)
Income (loss) before income taxes	$	—		$	(68)		$	40
Federal statutory income tax rate	—		%	21		%	21		%
Expected federal income tax expense (benefit)	—			(14)			8
Increase in tax expense resulting from:
State income tax expense, net of federal income tax	—			(2)			3
Goodwill impairment	—			10			8
Other, net	—			4			(2)
Total	—			12			9
Total income tax expense (benefit)	$	—		$	(2)		$	17
Effective tax rate	—		%	3		%	43		%

(1)Recognized a $75 million benefit for the amortization of the net regulatory EDIT liability as decreed by regulators in certain jurisdictions, a $23 million benefit for the impact of state law changes that resulted in the remeasurement of state deferred taxes in those jurisdictions, and a $15 million benefit for the impact of a change in the NOL carryforward period in Louisiana from 20 years to an indefinite period allowing for the release of the valuation allowance on certain Louisiana NOLs.

(2)Recognized a $76 million benefit for the amortization of the net regulatory EDIT liability as decreed by regulators in certain jurisdictions, a $39 million deferred tax expense for the non-deductible portion of the goodwill impairment on SIGECO, and a $37 million benefit for the NOL carryback claim allowed by the CARES Act.

(3)Recognized a $55 million benefit for the amortization of the net regulatory EDIT liability as decreed by regulators in certain jurisdictions, a $33 million net benefit for the impact of state law changes that resulted in the remeasurement of state deferred taxes in those jurisdictions, and a $4 million net benefit for the reduction in valuation allowances on certain state NOLs that are now expected to be realized.

(4)Recognized a $27 million benefit for the impact of state law changes that resulted in the remeasurement of state deferred taxes in those jurisdictions.

(5)Recognized a $25 million deferred tax expense for the non-deductible portion of the goodwill impairment on both the Energy Services and Infrastructure Services Disposal Groups. Also, recognized a $30 million net tax expense on both the sale of the Energy Services and Infrastructure Services Disposal Groups.

(6)Recognized a $12 million deferred tax expense for the impact of state law changes that resulted in the remeasurement of state deferred taxes in those jurisdictions, and an $8 million deferred tax expense for the non-deductible portion of the goodwill impairment on the Energy Services Disposal Group.

(7)Recognized a $41 million benefit for the amortization of the net regulatory EDIT liability as decreed by regulators in certain jurisdictions.

(8)Recognized a $42 million benefit for the amortization of the net regulatory EDIT liability as decreed by regulators in certain jurisdictions.

(9)Recognized a $21 million benefit for the amortization of the net regulatory EDIT liability as decreed by regulators in certain jurisdictions.

(10)Recognized a $15 million benefit for the impact of state law changes that resulted in the remeasurement of state deferred taxes in those jurisdictions, a $16 million benefit for the amortization of the net regulatory EDIT liability as decreed by regulators in certain jurisdictions, and a $15 million benefit for the impact of a change in the NOL carryforward period in Louisiana from 20 years to an indefinite period allowing for the release of the valuation allowance on certain Louisiana NOLs.

(11)Recognized a $16 million benefit for the amortization of the net regulatory EDIT liability as decreed by regulatory in certain jurisdictions.

(12)Recognized an $18 million benefit for the amortization of the net regulatory EDIT liability as decreed by regulators in certain jurisdictions, a $4 million net benefit for the impact of state law changes that resulted in the remeasurement of state deferred taxes in those jurisdictions and a $4 million net benefit for the reduction in valuation allowances on certain state NOLs that are now expected to be realized.

(13)Recognized a $10 million deferred tax expense for the non-deductible portion of the goodwill impairment on the Energy Services Disposal Group.

(14)Recognized an $8 million deferred tax expense for the non-deductible portion of the goodwill impairment on the Energy Services Disposal Group.

Tax Assets and Liabilities

The tax effects of temporary differences that give rise to significant portions of deferred tax assets and liabilities were as follows:

	December 31,
	2021		2020
	(in millions)
CenterPoint Energy
Deferred tax assets:
Benefits and compensation	$	120	$	141
Regulatory liabilities	396		435
Loss and credit carryforwards	76		103
Asset retirement obligations	130		152
Indexed debt securities derivative	36		47
Investment in unconsolidated affiliates	1		—
Other	50		52
Valuation allowance	(11)		(26)
Total deferred tax assets	798		904
Deferred tax liabilities:
Property, plant and equipment	2,912		2,790
Investment in unconsolidated affiliates	—		624
Regulatory assets	741		325
Investment in ZENS and equity securities related to ZENS	693		649
Investment in equity securities	195		—
Other	161		119
Total deferred tax liabilities	4,702		4,507
Net deferred tax liabilities	$	3,904	$	3,603
Houston Electric
Deferred tax assets:
Regulatory liabilities	$	175	$	201
Benefits and compensation	13		17
Asset retirement obligations	9		9
Other	10		9
Total deferred tax assets	207		236
Deferred tax liabilities:
Property, plant and equipment	1,215		1,159
Regulatory assets	114		118
Total deferred tax liabilities	1,329		1,277
Net deferred tax liabilities	$	1,122	$	1,041

	December 31,
	2021		2020
	(in millions)
CERC
Deferred tax assets:
Benefits and compensation	$	25	$	28
Regulatory liabilities	139		147
Loss and credit carryforwards	571		143
Asset retirement obligations	118		140
Other	26		26
Valuation allowance	—		(15)
Total deferred tax assets	879		469
Deferred tax liabilities:
Property, plant and equipment	948		916
Regulatory assets	514		53
Other	97		84
Total deferred tax liabilities	1,559		1,053
Net deferred tax liabilities	$	680	$	584

Schedule of Unrecognized Tax Benefits Roll Forward

A reconciliation of CenterPoint Energy’s beginning and ending balance of unrecognized tax benefits, excluding interest and penalties, for 2021 and 2020 are as follows:

	Year Ended December 31,
	2021		2020
	(in millions)
Balance, beginning of year	$	7	$	8
Increases related to tax positions of prior years	—		3
Decreases related to tax positions of prior years	(4)		(4)
Balance, end of year	$	3	$	7

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Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2021

Commitments and Contingencies Disclosure [Abstract]

Long-term Purchase Commitment

As of December 31, 2021, minimum purchase obligations were approximately:

	Natural Gas and Coal Supply (1)				Other (2)
	CenterPoint Energy		CERC		CenterPoint Energy
	(in millions)
2022	$	560	$	322	$	66
2023	444		253		500
2024	378		247		178
2025	318		206		30
2026	254		176		29
2027 and beyond	1,586		1,282		596

(1)On January 10, 2022, CERC Corp. completed the sale of its Arkansas and Oklahoma Natural Gas businesses; therefore minimum purchase obligations for the Arkansas and Oklahoma Natural Gas businesses have been excluded from the table above. For additional information, see Note 4.

(2)CenterPoint Energy’s undiscounted minimum payment obligations related to PPAs with commitments ranging from 15 to 25 years and its purchase commitment under its BTA in Posey County, Indiana at the original contracted amount, prior to any renegotiation, are included above. The remaining undiscounted payment obligations relate primarily to technology hardware and software agreements.

Schedule of Environmental Loss Contingencies by Site

Total costs that may be incurred in connection with addressing these sites cannot be determined at this time. The estimated accrued costs are limited to CenterPoint Energy’s and CERC’s share of the remediation efforts and are therefore net of exposures of other PRPs. The estimated range of possible remediation costs for the sites for which CenterPoint Energy and CERC believe they may have responsibility was based on remediation continuing for the minimum time frame given in the table below.

	December 31, 2021
	CenterPoint Energy		CERC
	(in millions, except years)
Amount accrued for remediation	$	16	$	11
Minimum estimated remediation costs	11		8
Maximum estimated remediation costs	58		36
Minimum years of remediation	5		30
Maximum years of remediation	50		50

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Earnings Per Share (CenterPoint Energy) (Tables)

12 Months Ended

Dec. 31, 2021

Earnings Per Share [Abstract]

Basic and Diluted Earnings Per Share

The following table reconciles numerators and denominators of CenterPoint Energy’s basic and diluted earnings per common share. Basic earnings per common share is determined by dividing Income available to common shareholders - basic by the Weighted average common shares outstanding - basic for the applicable period. Diluted earnings per common share is determined by the inclusion of potentially dilutive common stock equivalent shares that may occur if securities to issue Common Stock were exercised or converted into Common Stock.

	For the Year Ended December 31,
	2021		2020		2019
	(in millions, except per share and share amounts)
Numerator:
Income from continuing operations	$	668	$	483	$	515
Less: Preferred stock dividend requirement (Note 13)	95		144		117
Less: Amortization of beneficial conversion feature (Note 13)	—		32		—
Less: Undistributed earnings allocated to preferred shareholders (1)	—		—		—
Income available to common shareholders from continuing operations - basic and diluted	573		307		398
Income (loss) available to common shareholders from discontinued operations - basic and diluted	818		(1,256)		276
Income (loss) available to common shareholders - basic and diluted	$	1,391	$	(949)	$	674
Denominator:
Weighted average common shares outstanding - basic	592,933,000		531,031,000		502,050,000
Plus: Incremental shares from assumed conversions:
Restricted stock	5,181,000		—		3,107,000
Series C Preferred Stock (3)	11,824,000		—		—
Weighted average common shares outstanding - diluted	609,938,000		531,031,000		505,157,000
Anti-dilutive Incremental Shares Excluded from Denominator for Diluted Earnings (Loss) Computation:
Restricted stock	—		3,690,000		—
Series B Preferred Stock (2)	23,906,000		35,922,000		34,354,000
Series C Preferred Stock (3)	—		23,807,000		—

	For the Year Ended December 31,
	2021		2020		2019
	(in millions, except per share and share amounts)
Earnings (loss) per common share:
Basic earnings per common share - continuing operations	$	0.97	$	0.58	$	0.79
Basic earnings (loss) per common share - discontinued operations	1.38		(2.37)		0.55
Basic Earnings (Loss) Per Common Share	$	2.35	$	(1.79)	$	1.34
Diluted earnings per common share - continuing operations	$	0.94	$	0.58	$	0.79
Diluted earnings (loss) per common share - discontinued operations	1.34		(2.37)		0.54
Diluted Earnings (Loss) Per Common Share	$	2.28	$	(1.79)	$	1.33

(1)There were no undistributed earnings to be allocated to participating securities for the years ended December 31, 2021 and 2020.

(2)As of December 31, 2021, all of the outstanding Series B Preferred Stock have been converted into Common Stock. For further information, see Note 13.

(3)As of December 31, 2021, all of the outstanding Series C Preferred Stock have been converted into Common Stock. For further information, see Note 13.

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Reportable Segments (Tables)

12 Months Ended

Dec. 31, 2021

Segment Reporting [Abstract]

Financial Data for Business Segments

Financial data for reportable segments is as follows, including Corporate and Other and Discontinued Operations for reconciliation purposes:

CenterPoint Energy

	Revenues from External Customers		Depreciation and Amortization		Interest Income (1)		Interest Expense		Income Tax Expense (Benefit)		Net Income (Loss)
	(in millions)
For the year ended December 31, 2021:
Electric	$	3,763	$	756	$	—	$	(226)	$	95	$	475
Natural Gas	4,336		502		1		(141)		80		403
Corporate and Other	253		58		118		(278)		(65)		(210)
Eliminations	—		—		(116)		116		—		—
Continuing Operations	$	8,352	$	1,316	$	3	$	(529)	$	110	668
Discontinued Operations, net											818
Consolidated											$	1,486
For the year ended December 31, 2020:
Electric	$	3,470	$	670	$	3	$	(220)	$	72	$	230
Natural Gas	3,631		473		8		(153)		125		278
Corporate and Other	317		46		104		(267)		(117)		(25)
Eliminations	—		—		(111)		111		—		—
Continuing Operations	$	7,418	$	1,189	$	4	$	(529)	$	80	483
Discontinued Operations, net											(1,256)
Consolidated											$	(773)
For the year ended December 31, 2019:
Electric	$	3,519	$	746	$	27	$	(225)	$	96	$	419
Natural Gas	3,750		439		6		(144)		2		251
Corporate and Other	295		40		134		(343)		(68)		(155)
Eliminations	—		—		(145)		145		—		—
Continuing Operations	$	7,564	$	1,225	$	22	$	(567)	$	30	515
Discontinued Operations, net											276
Consolidated											$	791

(1) Interest income from Securitization Bonds of less than $1 million, $1 million and $5 million for the years ended December 31, 2021, 2020 and 2019, respectively, is included in Other income, net on CenterPoint Energy’s and Houston Electric’s respective Statements of Consolidated Income.

	Total Assets				Expenditures for Long-lived Assets
	December 31,				December 31,
	2021		2020		2021		2020		2019
	(in millions)
Electric	$	16,439	$	14,516	$	2,008	$	1,281	$	1,216
Natural Gas	16,153		15,041		1,178		1,139		1,098
Corporate and Other, net of eliminations (1)	2,749		3,132		42		95		194
Continuing Operations	35,341		32,689		3,228		2,515		2,508
Assets Held for Sale/Discontinued Operations	2,338		782		171		21		79
Consolidated	$	37,679	$	33,471	$	3,399	$	2,536	$	2,587

(1)Total assets included pension and other postemployment-related regulatory assets of $427 million and $540 million as of December 31, 2021 and 2020, respectively.

Schedule of Revenue by Major Customers by Reporting Segments

Houston Electric’s revenues from major external customers are as follows:

	Year Ended December 31,
	2021		2020		2019
	(in millions)
Affiliates of NRG	$	905	$	749	$	727
Affiliates of Vistra Energy Corp.	410		404		263

Revenues by Products and Services

Revenues by Products and Services

	Year Ended December 31,
	2021						2020						2019
Revenues by Products and Services:	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Electric delivery	$	3,158	$	3,134	$	—	$	2,941	$	2,911	$	—	$	3,019	$	2,990	$	—
Retail electric sales	559		—		—		515		—		—		486		—		—
Wholesale electric sales	46		—		—		14		—		—		14		—		—
Retail gas sales	4,157		—		3,069		3,462		—		2,594		3,563		—		2,831
Gas transportation and processing	12		—		12		15		—		15		33		—		33
Energy products and services	420		—		167		471		—		154		449		—		154
Total	$	8,352	$	3,134	$	3,248	$	7,418	$	2,911	$	2,763	$	7,564	$	2,990	$	3,018

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Supplemental Disclosure of Cash Flow Information (Tables)

12 Months Ended

Dec. 31, 2021

Supplemental Cash Flow Elements [Abstract]

Schedule of Cash Flow, Supplemental Disclosures

The tables below provide supplemental disclosure of cash flow information:

	2021						2020						2019
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Cash Payments/Receipts:
Interest, net of capitalized interest	$	489	$	208	$	99	$	471	$	201	$	114	$	436	$	229	$	109
Income tax payments (refunds), net	(46)		20		4		143		65		4		155		87		7
Non-cash transactions:
Accounts payable related to capital expenditures	370		261		103		153		102		69		236		117		86
Fair Value of Energy Transfer Common Units received for Enable Merger	1,672		—		—		—		—		—		—		—		—
Fair Value of Energy Transfer Series G Preferred Units received for Enable Merger	385		—		—		—		—		—		—		—		—
ROU assets obtained in exchange for lease liabilities (1)	2		—		—		15		1		5		44		1		29
Beneficial conversion feature	—		—		—		32		—		—		—		—		—
Amortization of beneficial conversion feature	—		—		—		(32)		—		—		—		—		—
Capital distribution associated with the Internal Spin (2)	—		—		—		—		—		—		—		—		28

(1)Includes the transition impact of adoption of ASU 2016-02 Leases as of January 1, 2019. The Registrants elected not to recast comparative periods in the year of adoption as permitted by the standard.

(2)The capital distribution in 2019 is the result of the finalization of the previously estimated net deferred tax assets and liabilities distributed as part of the Internal Spin.

The table below provides a reconciliation of cash, cash equivalents and restricted cash reported in the Consolidated Balance Sheets to the amount reported in the Statements of Consolidated Cash Flows:

	December 31, 2021						December 31, 2020
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Cash and cash equivalents (1)	$	230	$	214	$	8	$	147	$	139	$	1
Restricted cash included in Prepaid expenses and other current assets	24		19		—		20		15		—
Total cash, cash equivalents and restricted cash shown in Statements of Consolidated Cash Flows	$	254	$	233	$	8	$	167	$	154	$	1

(1)Houston Electric’s Cash and cash equivalents as of December 31, 2021 and 2020 included $92 million and $139 million, respectively, of cash related to the Bond Companies.

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Related Party Transactions (Houston Electric and CERC) (Tables)

12 Months Ended

Dec. 31, 2021

Related Party Transactions [Abstract]

Schedule of Money Pool Investment and Borrowing

Houston Electric and CERC participate in a money pool through which they can borrow or invest on a short-term basis. Funding needs are aggregated and external borrowing or investing is based on the net cash position. The net funding requirements of the money pool are expected to be met with borrowings under CenterPoint Energy’s revolving credit facility or the sale of CenterPoint Energy’s commercial paper. 

The table below summarizes money pool activity:

	December 31, 2021						December 31, 2020
	Houston Electric			CERC			Houston Electric			CERC
	(in millions, except interest rates)
Money pool investments (borrowings) (1)	$	(512)		$	(224)		$	(8)		$	—
Weighted average interest rate	0.34		%	0.34		%	0.24		%	0.24		%

(1)Included in Accounts and notes receivable (payable)–affiliated companies in Houston Electric’s and CERC’s Consolidated Balance Sheets.

Schedule of Related Party Transactions

Houston Electric and CERC affiliate-related net interest income (expense) were as follows:

	Year Ended December 31,
	2021				2020				2019
	Houston Electric		CERC		Houston Electric		CERC		Houston Electric		CERC
	(in millions)
Interest income (expense), net (1)	$	—	$	—	$	—	$	—	$	18	$	4

(1)Interest income is included in Other, net and interest expense is included in Interest and other finance charges on Houston Electric’s and CERC’s respective Statements of Consolidated Income.

Amounts charged for these services are included primarily in Operation and maintenance expenses:

	Year Ended December 31,
	2021				2020				2019
	Houston Electric		CERC		Houston Electric		CERC		Houston Electric		CERC
	(in millions)
Corporate service charges	$	189	$	216	$	197	$	212	$	177	$	141
Net affiliate service charges (billings)	(7)		7		(16)		16		(8)		8

The table below presents transactions among Houston Electric, CERC and their parent, Utility Holding.

	Year Ended December 31,
	2021				2020				2019
	Houston Electric		CERC		Houston Electric		CERC		Houston Electric		CERC
	(in millions)
Cash dividends paid to parent	$	—	$	—	$	551	$	80	$	376	$	120
Cash contribution from parent	130		180		62		217		590		129
Capital distribution to parent associated with the sale of CES	—		—		—		286		—		—
Capital distribution to parent associated with the Internal Spin (1)	—		—		—		—		—		28
Property, plant and equipment from parent (2)	—		—		36		23		—		—

(1)The capital distribution in 2019 associated with the Internal Spin is a result of the return to accrual for the periods of CERC’s ownership during 2018.

(2)Property, plant and equipment purchased from CenterPoint Energy at its net carrying value on the date of purchase.

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Leases (Tables)

12 Months Ended

Dec. 31, 2021

Leases [Abstract]

Lease, Cost

The components of lease cost, included in Operation and maintenance expense on the Registrants’ respective Statements of Consolidated Income, are as follows:

	Year Ended December 31, 2021						Year Ended December 31, 2020
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Operating lease cost	$	8	$	1	$	4	$	9	$	—	$	5
Short-term lease cost	119		118		—		14		12		—
Total lease cost (1)	$	127	$	119	$	4	$	23	$	12	$	5

(1) CenterPoint Energy and Houston Electric defer finance lease costs for mobile generation to Regulatory assets for recovery rather than to Depreciation and Amortization in the Statements of Consolidated Income.

Operating Lease, Lease Income

The components of lease income were as follows:

	Year Ended December 31, 2021						Year Ended December 31, 2020
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Operating lease income	$	6	$	1	$	3	$	5	$	—	$	2
Variable lease income	1		—		—		1		—		—
Total lease income	$	7	$	1	$	3	$	6	$	—	$	2

Supplemental Balance Sheet Information Related To Leases

Supplemental balance sheet information related to leases was as follows:

	December 31, 2021									December 31, 2020
	CenterPoint Energy			Houston Electric			CERC			CenterPoint Energy			Houston Electric			CERC
	(in millions, except lease term and discount rate)
Assets:
Operating ROU assets (1)	$	22		$	1		$	12		$	31		$	1		$	19
Finance ROU assets (2)	179			179			—			—			—			—
Total leased assets	$	201		$	180		$	12		$	31		$	1		$	19
Liabilities:
Current operating lease liability (3)	$	6		$	1		$	2		$	6		$	—		$	3
Non-current operating lease liability (4)	17			—			11			26			1			18
Total leased liabilities (5)	$	23		$	1		$	13		$	32		$	1		$	21
Weighted-average remaining lease term (in years) - operating leases	6.2			4.1			6.5			6.0			4.0			7.5
Weighted-average discount rate - operating leases	3.10		%	2.86		%	3.20		%	3.14		%	2.59		%	3.36		%
Weighted-average remaining lease term (in years) - finance leases	7.5			7.5			—			—			—			—
Weighted-average discount rate - finance leases	2.21		%	2.21		%	—			—			—			—

(1)Reported within Other assets in the Registrants’ respective Consolidated Balance Sheets.

(2)Reported within Property, Plant and Equipment in the Registrants’respective Consolidated Balance Sheets. Finance lease assets are recorded net of accumulated amortization.

(3)Reported within Current other liabilities in the Registrants’ respective Consolidated Balance Sheets.

(4)Reported within Other liabilities in the Registrants’ respective Consolidated Balance Sheets.

(5)Finance lease liabilities were not material as of December 31, 2021 or 2020 and are reported within Other long-term debt in the Registrants’ respective Consolidated Balance Sheets when applicable.

Lessee, Operating Lease, Liability, Maturity

As of December 31, 2021, maturities of operating lease liabilities were as follows:

	CenterPoint  Energy		Houston  Electric		CERC
	(in millions)
2022	$	6	$	1	$	3
2023	5		—		2
2024	3		—		2
2025	3		—		2
2026	3		—		2
2027 and beyond	5		—		3
Total lease payments	25		1		14
Less: Interest	2		—		1
Present value of lease liabilities	$	23	$	1	$	13

Lessor, Operating Lease, Payments to be Received, Maturity

As of December 31, 2021, maturities of undiscounted operating lease payments to be received are as follows:

	CenterPoint  Energy		Houston  Electric		CERC
	(in millions)
2022	$	5	$	—	$	3
2023	5		—		3
2024	5		—		3
2025	6		—		3
2026	6		—		4
2027 and beyond	142		—		136
Total lease payments to be received	$	169	$	—	$	152

Other Information Related To Leases

Other information related to leases is as follows:

	Year Ended December 31, 2021
	CenterPoint  Energy		Houston Electric		CERC
	(in millions)
Operating cash flows from operating leases included in the measurement of lease liabilities	$	6	$	1	$	3
Financing cash flows from finance leases included in the measurement of lease liabilities	179		179		—

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Background (Details)	Dec. 31, 2021 utility state registrant
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Number of registrants | registrant	3
Number of public utilities held | utility	3
Natural Gas | CERC Corp
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Number of states in which entity operates | state	6

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Summary of Significant Accounting Policies (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Significant Accounting Policies [Line Items]
LIFO Inventory Amount	$ 101	$ 92
Cost of replacing inventories carried at LIFO cost less than carrying value	48
Interest Expense
Significant Accounting Policies [Line Items]
Interest and AFUDC debt	34	27	$ 36
Interest Expense | Indiana
Significant Accounting Policies [Line Items]
Interest and AFUDC debt	16	13	21
Other Income (Expense)
Significant Accounting Policies [Line Items]
AFUDC equity	28	25	22
Houston Electric | Interest Expense
Significant Accounting Policies [Line Items]
Interest and AFUDC debt	13	8	8
Houston Electric | Other Income (Expense)
Significant Accounting Policies [Line Items]
AFUDC equity	20	14	15
CERC Corp
Significant Accounting Policies [Line Items]
LIFO Inventory Amount	56	55
Cost of replacing inventories carried at LIFO cost less than carrying value	0
CERC Corp | Interest Expense
Significant Accounting Policies [Line Items]
Interest and AFUDC debt	2	3	3
CERC Corp | Other Income (Expense)
Significant Accounting Policies [Line Items]
AFUDC equity	$ 3	$ 3	$ 3

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Property, Plant and Equipment (Details) $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($) MW	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Property, Plant and Equipment, Net, by Type [Abstract]
Weighted-average remaining lease term (in years) - finance leases	7 years 6 months
Finance lease right of use assets, gross	$ 179	$ 0
Property plant and equipment and finance lease assets, gross	33,673	32,514
Finance lease right of use assets, accumulated amortization	0	0
Property plant and equipment and finance lease assets, accumulated depreciation and amortization	10,189	10,152
Property, Plant and Equipment, net	23,484	22,362
Finance ROU assets	179	0
Property plant and equipment and finance lease assets, net	23,484	22,362
Depreciation and Amortization [Abstract]
Depreciation	1,024	961	$ 879
Amortization of securitized regulatory assets	213	155	271
Other amortization	79	73	75
Total	1,316	1,189	1,225
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]
Beginning balance	787	539
Accretion expense	21	16
Revisions in estimate	(67)	232
Ending balance	$ 741	787	539
Houston Electric
Property, Plant and Equipment, Net, by Type [Abstract]
Weighted-average remaining lease term (in years) - finance leases	7 years 6 months
Finance lease right of use assets, gross	$ 179	0
Property plant and equipment and finance lease assets, gross	15,273	13,593
Finance lease right of use assets, accumulated amortization	0	0
Property plant and equipment and finance lease assets, accumulated depreciation and amortization	4,070	3,930
Property, Plant and Equipment, net	11,203	9,663
Finance ROU assets	179	0
Property plant and equipment and finance lease assets, net	11,203	9,663
Depreciation and Amortization [Abstract]
Depreciation	391	368	339
Amortization of securitized regulatory assets	213	155	271
Other amortization	38	37	38
Total	642	560	648
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]
Beginning balance	43	42
Accretion expense	1	1
Revisions in estimate	(2)	0
Ending balance	42	43	42
CERC Corp
Property, Plant and Equipment, Net, by Type [Abstract]
Property plant and equipment and finance lease assets, gross	7,878	8,972
Property plant and equipment and finance lease assets, accumulated depreciation and amortization	2,115	2,414
Property, Plant and Equipment, net	5,763	6,558
Finance ROU assets	0	0
Property plant and equipment and finance lease assets, net	5,763	6,558
Depreciation and Amortization [Abstract]
Depreciation	311	289	277
Amortization of securitized regulatory assets	0	0	0
Other amortization	15	15	16
Total	326	304	293
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]
Beginning balance	571	325
Accretion expense	12	11
Revisions in estimate	(93)	235
Ending balance	$ 490	571	$ 325
Electric transmission and distribution
Property, Plant and Equipment, Net, by Type [Abstract]
Weighted Average Useful Lives	36 years
Property, Plant and Equipment, Gross	$ 17,156	15,225
Accumulated Depreciation & Amortization	4,658	4,785
Property, Plant and Equipment, net	$ 12,498	10,440
Electric transmission and distribution | Houston Electric
Property, Plant and Equipment, Net, by Type [Abstract]
Weighted Average Useful Lives	38 years
Property, Plant and Equipment, Gross	$ 13,321	11,911
Accumulated Depreciation & Amortization	3,502	3,396
Property, Plant and Equipment, net	$ 9,819	8,515
Electric generation
Property, Plant and Equipment, Net, by Type [Abstract]
Weighted Average Useful Lives	26 years
Property, Plant and Equipment, Gross	$ 1,807	1,922
Accumulated Depreciation & Amortization	1,179	754
Property, Plant and Equipment, net	$ 628	1,168
Natural gas distribution
Property, Plant and Equipment, Net, by Type [Abstract]
Weighted Average Useful Lives	30 years
Property, Plant and Equipment, Gross	$ 13,578	14,022
Accumulated Depreciation & Amortization	3,981	4,019
Property, Plant and Equipment, net	$ 9,597	10,003
Natural gas distribution | CERC Corp
Property, Plant and Equipment, Net, by Type [Abstract]
Weighted Average Useful Lives	29 years
Property, Plant and Equipment, Gross	$ 7,833	8,928
Accumulated Depreciation & Amortization	2,093	2,392
Property, Plant and Equipment, net	$ 5,740	6,536
Other property
Property, Plant and Equipment, Net, by Type [Abstract]
Weighted Average Useful Lives	16 years
Property, Plant and Equipment, Gross	$ 953	1,345
Accumulated Depreciation & Amortization	371	594
Property, Plant and Equipment, net	$ 582	751
Other property | Houston Electric
Property, Plant and Equipment, Net, by Type [Abstract]
Weighted Average Useful Lives	19 years
Property, Plant and Equipment, Gross	$ 1,773	1,682
Accumulated Depreciation & Amortization	568	534
Property, Plant and Equipment, net	$ 1,205	1,148
Other property | CERC Corp
Property, Plant and Equipment, Net, by Type [Abstract]
Weighted Average Useful Lives	19 years
Property, Plant and Equipment, Gross	$ 45	44
Accumulated Depreciation & Amortization	22	22
Property, Plant and Equipment, net	$ 23	$ 22
SIGECO
Property, Plant and Equipment, Net, by Type [Abstract]
Number of megawatts (in MW) | MW	300
SIGECO's share of cost of Warrick Unit 4	$ 196
SIGECO's share of accumulated depreciation of Warrick Unit 4	$ 154

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Held for Sale, Divestitures and Mergers (CenterPoint Energy and CERC) - Held for Sale Narrative (Details) $ in Millions		12 Months Ended
	Apr. 29, 2021 USD ($) mi	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Oct. 14, 2021 USD ($)	Feb. 16, 2021 shares
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from divestitures (Note 4)		$ 22	$ 1,215	$ 0
Miles of pipeline | mi	17,000
Merger exchange ratio | shares						0.8595
CERC Corp
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from divestitures (Note 4)		22	$ 365
Arkansas and Oklahoma Natural Gas Businesses | Disposal Group, Held-for-sale or Disposed of by Sale, Not Discontinued Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from divestitures (Note 4)	$ 2,150
Recovery of costs	$ 425
Arkansas and Oklahoma Natural Gas Businesses | Disposal Group, Held-for-sale or Disposed of by Sale, Not Discontinued Operations | CERC Corp
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash payment commitment					$ 22
Extinguishment of liability		$ 10

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Held for Sale, Divestitures and Mergers (CenterPoint Energy and CERC) - Schedule of Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Disposal Group, Including Discontinued Operation, Assets, Current [Abstract]
Total current assets held for sale	$ 2,338	$ 0
Disposal Group, Including Discontinued Operation, Liabilities, Current [Abstract]
Total current liabilities held for sale	562	0
Non-current assets held for sale	0	782
Arkansas and Oklahoma Natural Gas Businesses | Disposal Group, Held-for-sale or Disposed of by Sale, Not Discontinued Operations
Disposal Group, Including Discontinued Operation, Assets, Current [Abstract]
Receivables, net	46
Accrued unbilled revenues	48
Natural gas inventory	46
Materials and supplies	9
Property, plant and equipment, net	1,314
Goodwill	398
Investment in unconsolidated affiliate	0
Regulatory assets	471
Other	6
Total current assets held for sale	2,338
Disposal Group, Including Discontinued Operation, Liabilities, Current [Abstract]
Short term borrowings	36
Accounts payable	40
Taxes accrued	7
Customer deposits	12
Regulatory liabilities	365
Other	102
Total current liabilities held for sale	562
CERC Corp
Disposal Group, Including Discontinued Operation, Assets, Current [Abstract]
Total current assets held for sale	2,084	0
Disposal Group, Including Discontinued Operation, Liabilities, Current [Abstract]
Total current liabilities held for sale	562	$ 0
CERC Corp | Arkansas and Oklahoma Natural Gas Businesses | Disposal Group, Held-for-sale or Disposed of by Sale, Not Discontinued Operations
Disposal Group, Including Discontinued Operation, Assets, Current [Abstract]
Receivables, net	46
Accrued unbilled revenues	48
Natural gas inventory	46
Materials and supplies	9
Property, plant and equipment, net	1,314
Goodwill	144
Investment in unconsolidated affiliate	0
Regulatory assets	471
Other	6
Total current assets held for sale	2,084
Disposal Group, Including Discontinued Operation, Liabilities, Current [Abstract]
Short term borrowings	36
Accounts payable	40
Taxes accrued	7
Customer deposits	12
Regulatory liabilities	365
Other	102
Total current liabilities held for sale	$ 562

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Held for Sale, Divestitures and Mergers (CenterPoint Energy and CERC) - Summary of Income (Loss) From Continuing Operations, Before Income Tax (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income before income taxes	$ 778	$ 563	$ 545
Arkansas and Oklahoma Natural Gas Businesses | Disposal Group, Held-for-sale or Disposed of by Sale, Not Discontinued Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income before income taxes	78	73
CERC Corp
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income before income taxes	305	244	$ 186
CERC Corp | Arkansas and Oklahoma Natural Gas Businesses | Disposal Group, Held-for-sale or Disposed of by Sale, Not Discontinued Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income before income taxes	$ 78	$ 73

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Held for Sale, Divestitures and Mergers (CenterPoint Energy and CERC) - Discontinued Operations Narrative (Details)						3 Months Ended		12 Months Ended
	Dec. 02, 2021 USD ($)	Feb. 16, 2021 USD ($)	Jun. 01, 2020 USD ($)	Apr. 09, 2020 USD ($)	Feb. 03, 2020 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Jan. 31, 2021 USD ($)	Oct. 31, 2020 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Preferred unit exchange ratio	0.0265
Proceeds from divestitures (Note 4)								$ 22,000,000	$ 1,215,000,000	$ 0
Goodwill impairment						$ 0	$ 0	0	185,000,000	$ 0
OGE
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Payment upon termination of partnership		$ 30,000,000
CERC Corp
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from divestitures (Note 4)								22,000,000	365,000,000
Enable Midstream Partners
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash received	$ 5,000,000
Infrastructure Services Disposal Group
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Sales price of outstanding equity interests					$ 850,000,000
Proceeds from divestitures (Note 4)				$ 850,000,000
Receivable from sale of disposal group											$ 4,000,000
Net deferred tax liabilities on sale recognized as deferred income tax benefit by CenterPoint Energy				$ 129,000,000
Current tax expense (benefit) of cash taxes payable upon sale									158,000,000
Goodwill impairment									82,000,000
Cost to sell									14,000,000
Pre-tax gain on sale									6,000,000
Maximum contractual exposure under Securities Purchase Agreement								21,000,000
Energy Services Disposal Group
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Sales price of outstanding equity interests								$ 400,000,000
Proceeds from divestitures (Note 4)			$ 286,000,000
Receivable from sale of disposal group												$ 79,000,000
Net deferred tax liabilities on sale recognized as deferred income tax benefit by CenterPoint Energy			4,000,000
Goodwill impairment									62,000,000
Cost to sell									6,000,000
Current tax expense of cash taxes payable upon sale									4,000,000
Loss from reclassification to held for sale									31,000,000
Energy Services Disposal Group | CERC Corp
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net deferred tax liabilities on sale recognized as deferred income tax benefit by CenterPoint Energy			$ 4,000,000
Goodwill impairment									62,000,000
Pre-tax gain on sale									(3,000,000)
Current tax expense of cash taxes payable upon sale									$ 4,000,000

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Held for Sale, Divestitures and Mergers (CenterPoint Energy and CERC) - Summary of Discontinued Operations (Details) $ in Millions			3 Months Ended	12 Months Ended
	Jun. 01, 2020 USD ($)	Apr. 09, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Aug. 31, 2021 state
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Income tax expense (benefit) from discontinued operations				$ 201	$ (333)	$ 108
Equity in (earnings) losses of unconsolidated affiliates				(339)	1,428	(230)
Discontinued Operation, Alternative Cash Flow Information [Abstract]
Distributions from unconsolidated affiliates				155	113	261
Gain on Enable Merger				(681)	0	0
Proceeds from divestitures (Note 4)				22	1,215	0
Distributions from unconsolidated affiliates in excess of cumulative earnings				0	80	42
Discontinued Operations
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Income (loss) from discontinued operations before income taxes					(1,391)	384
Income tax expense (benefit) from discontinued operations					(333)	108
Income (loss) from discontinued operations, net					(1,256)	276
Gain (loss) on classification to held for sale, net					(198)
Revenues					1,417	4,957
Non-utility cost of revenues					1,158	3,906
Operation and maintenance					218	782
Depreciation and amortization						62
Equity in (earnings) losses of unconsolidated affiliates					1,428	(229)
Taxes other than income taxes					4	4
Goodwill Impairment						48
Total					1,380	4,802
Operating income (loss)					37	155
Enable Midstream Partners | Discontinued Operations
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Equity in earnings of unconsolidated affiliate, net				1,019
Income (loss) from discontinued operations before income taxes				1,019	(1,428)	229
Income tax expense (benefit) from discontinued operations				201	(354)	62
Income (loss) from discontinued operations, net				818	(1,074)	167
Gain (loss) on classification to held for sale, net					0
Revenues					0	0
Non-utility cost of revenues					0	0
Operation and maintenance					0	0
Depreciation and amortization						0
Equity in (earnings) losses of unconsolidated affiliates				(339)	1,428	(229)
Taxes other than income taxes					0	0
Goodwill Impairment			$ 86			0
Total					0	0
Operating income (loss)					0	0
Impairment charge on investment					1,541
Impairment on equity method investment					225
Discontinued Operation, Alternative Cash Flow Information [Abstract]
Distributions from unconsolidated affiliates				155	113	261
Gain on Enable Merger				(681)
Payment upon termination of partnership				(49)
Proceeds from divestitures (Note 4)				5
Write-down of natural gas inventory					0	0
Capital expenditures					0	0
Distributions from unconsolidated affiliates in excess of cumulative earnings					80	42
Accounts payable related to capital expenditures						0
Amortization of intangible assets in Non-utility cost of revenues						0
Depreciation and amortization on assets held for sale						0
Infrastructure Services Disposal Group
Discontinued Operation, Alternative Cash Flow Information [Abstract]
Proceeds from divestitures (Note 4)		$ 850
Discontinued Operation, Continuing Involvement [Abstract]
Pipeline construction and repair services capitalized					34	162
Pipeline construction and repair service charges in operations and maintenance expense					1	4
Maximum contractual exposure under Securities Purchase Agreement				21
Infrastructure Services Disposal Group | Discontinued Operations
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Income (loss) from discontinued operations before income taxes					15	115
Income tax expense (benefit) from discontinued operations					24	29
Income (loss) from discontinued operations, net					(111)	86
Gain (loss) on classification to held for sale, net					(102)
Revenues					250	1,190
Non-utility cost of revenues					50	309
Operation and maintenance					184	714
Depreciation and amortization						50
Equity in (earnings) losses of unconsolidated affiliates					0	0
Taxes other than income taxes					1	2
Goodwill Impairment						0
Total					235	1,075
Operating income (loss)					15	115
Discontinued Operation, Alternative Cash Flow Information [Abstract]
Distributions from unconsolidated affiliates					0	0
Write-down of natural gas inventory					0	0
Capital expenditures					18	67
Distributions from unconsolidated affiliates in excess of cumulative earnings					0	0
Accounts payable related to capital expenditures						0
Amortization of intangible assets in Non-utility cost of revenues						19
Depreciation and amortization on assets held for sale						50
Energy Services Disposal Group
Discontinued Operation, Alternative Cash Flow Information [Abstract]
Proceeds from divestitures (Note 4)	$ 286
Discontinued Operation, Continuing Involvement [Abstract]
Transportation revenue					34	101
Natural gas expense					48	125
Energy Services Disposal Group | Discontinued Operations
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Income (loss) from discontinued operations before income taxes					22	40
Income tax expense (benefit) from discontinued operations					(3)	17
Income (loss) from discontinued operations, net					(71)	23
Gain (loss) on classification to held for sale, net					(96)
Revenues					1,167	3,767
Non-utility cost of revenues					1,108	3,597
Operation and maintenance					34	68
Depreciation and amortization						12
Equity in (earnings) losses of unconsolidated affiliates					0	0
Taxes other than income taxes					3	2
Goodwill Impairment						48
Total					1,145	3,727
Operating income (loss)					22	40
Discontinued Operation, Alternative Cash Flow Information [Abstract]
Distributions from unconsolidated affiliates					0	0
Write-down of natural gas inventory					3	4
Capital expenditures					3	12
Distributions from unconsolidated affiliates in excess of cumulative earnings					0	0
Accounts payable related to capital expenditures						2
Amortization of intangible assets in Non-utility cost of revenues						0
Depreciation and amortization on assets held for sale						12
MES
Discontinued Operation, Continuing Involvement [Abstract]
Number of states | state							48
Pre-tax gain on sale				8
CERC Corp
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Income tax expense (benefit) from discontinued operations				0	(2)	17
Income (loss) from discontinued operations, net				0	(66)	23
Discontinued Operation, Alternative Cash Flow Information [Abstract]
Proceeds from divestitures (Note 4)				22	365
CERC Corp | Infrastructure Services Disposal Group
Discontinued Operation, Continuing Involvement [Abstract]
Pipeline construction and repair services capitalized					0	20
Pipeline construction and repair service charges in operations and maintenance expense					1	4
CERC Corp | Energy Services Disposal Group
Discontinued Operation, Continuing Involvement [Abstract]
Transportation revenue					34	101
Natural gas expense					47	124
CERC Corp | Energy Services Disposal Group | Discontinued Operations
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Income (loss) from discontinued operations before income taxes					22	40
Income tax expense (benefit) from discontinued operations					(2)	17
Income (loss) from discontinued operations, net					(66)	23
Gain (loss) on classification to held for sale, net					(90)	0
Revenues					1,167	3,767
Non-utility cost of revenues					1,108	3,597
Operation and maintenance					34	68
Depreciation and amortization					0	12
Taxes other than income taxes					3	2
Goodwill Impairment					0	48
Total					1,145	3,727
Discontinued Operation, Alternative Cash Flow Information [Abstract]
Write-down of natural gas inventory					3	4
Capital expenditures					3	12
Accounts payable related to capital expenditures					0	2
Depreciation and amortization on assets held for sale					$ 0	$ 12
CERC Corp | MES
Discontinued Operation, Continuing Involvement [Abstract]
Pre-tax gain on sale				$ 11

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Held for Sale, Divestitures and Mergers (CenterPoint Energy and CERC) - Mergers (Details) - Vectren - USD ($) $ / shares in Units, $ in Millions		11 Months Ended	12 Months Ended
	Feb. 01, 2019	Dec. 31, 2019	Dec. 31, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash paid to acquire Vectren	$ 6,000
Cash paid per share of Vectren common stock at closing of the Merger	$ 72.00
Stub cash dividend (in dollars per share)	$ 0.41145
Incremental share-based awards expense recorded			$ 37
Operating Revenue			2,729
Net Income			190
Transaction costs associated with the Merger			83
Cash payments towards outstanding share-based awards	$ 78
Other non-qualified plans benefit obligations deferred compensation		$ 41	41
Severance expense related to the Merger		$ 61	102
Operation and maintenance agreements and construction backlog
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Amortization of intangible assets in Non-utility cost of revenues			24
Customer relationships and trade names
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Amortization of intangible assets in Non-utility cost of revenues			$ 16

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Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Disaggregation of Revenue [Line Items]
Revenue from contracts	$ 8,256	$ 7,350	$ 7,511
Other	96	68	53
Total revenues	8,352	7,418	7,564
Lease Income	7	6	6
Electric
Disaggregation of Revenue [Line Items]
Revenue from contracts	3,726	3,451	3,507
Other	37	19	12
Total revenues	3,763	3,470	3,519
Natural Gas
Disaggregation of Revenue [Line Items]
Revenue from contracts	4,281	3,586	3,714
Other	55	45	36
Total revenues	4,336	3,631	3,750
Corporate and Other
Disaggregation of Revenue [Line Items]
Revenue from contracts	249	313	290
Other	4	4	5
Total revenues	253	317	295
Houston Electric
Disaggregation of Revenue [Line Items]
Revenue from contracts	3,117	2,896	2,984
Other	17	15	6
Total revenues	3,134	2,911	2,990
CERC Corp
Disaggregation of Revenue [Line Items]
Revenue from contracts	3,210	2,714	2,979
Other	38	49	39
Total revenues	3,248	2,763	3,018
Lease Income	$ 3	$ 2	$ 1

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Revenue Recognition - Summary of Contract Assets and Liabilities (Details) $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($)
Accounts Receivable
Opening balance as of December 31, 2020	$ 604
Closing balance as of December 31, 2021	627
Increase (Decrease) in Accounts Receivable	23
Other Accrued Unbilled Revenues
Opening balance as of December 31, 2020	505
Closing balance as of December 31, 2021	513
Increase (Decrease) in Other Accrued Unbilled Revenues	8
Contract Assets
Opening balance as of December 31, 2020	27
Closing balance as of December 31, 2021	15
Increase (Decrease) in Contract with Customer, Asset	(12)
Contract Liabilities
Opening balance as of December 31, 2020	18
Closing balance as of December 31, 2021	16
Increase (Decrease) in Contract with Customer, Liability	(2)
Revenue recognized included in the opening contract liability for the period	17
Houston Electric
Accounts Receivable
Opening balance as of December 31, 2020	225
Closing balance as of December 31, 2021	225
Increase (Decrease) in Accounts Receivable	0
Other Accrued Unbilled Revenues
Opening balance as of December 31, 2020	113
Closing balance as of December 31, 2021	127
Increase (Decrease) in Other Accrued Unbilled Revenues	14
Contract Liabilities
Opening balance as of December 31, 2020	3
Closing balance as of December 31, 2021	4
Increase (Decrease) in Contract with Customer, Liability	1
Revenue recognized included in the opening contract liability for the period	3
CERC Corp
Accounts Receivable
Opening balance as of December 31, 2020	214
Closing balance as of December 31, 2021	223
Increase (Decrease) in Accounts Receivable	9
Other Accrued Unbilled Revenues
Opening balance as of December 31, 2020	261
Closing balance as of December 31, 2021	247
Increase (Decrease) in Other Accrued Unbilled Revenues	$ (14)

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Revenue Recognition - Remaining Performance Obligations (Details) $ in Millions	Dec. 31, 2021 USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue expected to be recognized	$ 781
Corporate and Other
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue expected to be recognized	$ 781
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Expected timing of satisfaction, period	1 year
Revenue expected to be recognized	$ 232
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-01-01 | Corporate and Other
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Expected timing of satisfaction, period	1 year
Revenue expected to be recognized	$ 232
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Expected timing of satisfaction, period
Revenue expected to be recognized	$ 549
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01 | Corporate and Other
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Expected timing of satisfaction, period
Revenue expected to be recognized	$ 549

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Revenue Recognition - Schedule of Bad Debt Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Bad debt expense	$ 12	$ 24	$ 18
Houston Electric
Bad debt expense	0	0	0
CERC Corp
Bad debt expense	$ 11	$ 18	$ 14

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Goodwill and Other Intangibles (CenterPoint Energy and CERC) (Details) - USD ($)	3 Months Ended			12 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Goodwill [Line Items]
Goodwill				$ 4,294,000,000	$ 4,697,000,000
Held for Sale				398,000,000
Disposals				5,000,000
Goodwill impairment	$ 0	$ 0		0	185,000,000	$ 0
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Amount				63,000,000	68,000,000
Accumulated Amortization				(19,000,000)	(18,000,000)
Net Balance				44,000,000	50,000,000
2022				6,000,000
2023				6,000,000
2024				5,000,000
2025				5,000,000
2026				5,000,000
Indiana Electric Integrated
Goodwill [Line Items]
Goodwill impairment			$ 185,000,000		185,000,000
Fair value of goodwill			$ 936,000,000
Customer Relationships
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Amount				33,000,000	33,000,000
Accumulated Amortization				(12,000,000)	(8,000,000)
Net Balance				21,000,000	25,000,000
Trade Names
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Amount				16,000,000	16,000,000
Accumulated Amortization				(5,000,000)	(3,000,000)
Net Balance				11,000,000	13,000,000
Construction backlog
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Amount				0	5,000,000
Accumulated Amortization				0	(5,000,000)
Net Balance				0	0
Operation and maintenance agreements
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Amount				12,000,000	12,000,000
Accumulated Amortization				(1,000,000)	(1,000,000)
Net Balance				11,000,000	11,000,000
Other
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Amount				2,000,000	2,000,000
Accumulated Amortization				(1,000,000)	(1,000,000)
Net Balance				1,000,000	1,000,000
Electric
Goodwill [Line Items]
Goodwill				936,000,000	936,000,000
Held for Sale				0
Disposals				0
Accumulated goodwill impairment charge					185,000,000
Natural Gas
Goodwill [Line Items]
Goodwill				2,920,000,000	3,323,000,000
Held for Sale				398,000,000
Disposals				5,000,000
Corporate and Other
Goodwill [Line Items]
Goodwill				438,000,000	438,000,000
Held for Sale				0
Disposals				0
CERC Corp
Goodwill [Line Items]
Goodwill				611,000,000	757,000,000
Held for Sale				144,000,000
Disposals				2,000,000
Depreciation and amortization expense
Finite-Lived Intangible Assets, Net [Abstract]
Amortization of intangible assets in Non-utility cost of revenues				6,000,000	6,000,000	5,000,000
Non-utility cost of revenues
Finite-Lived Intangible Assets, Net [Abstract]
Amortization of intangible assets in Non-utility cost of revenues				$ 1,000,000	$ 2,000,000	4,000,000
Vectren | Depreciation and amortization expense
Finite-Lived Intangible Assets, Net [Abstract]
Amortization of intangible assets in Non-utility cost of revenues						$ 5,000,000

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Regulatory Matters - Schedule of Regulatory Assets and Liabilities (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	$ 3,716	$ 2,112
Total current regulatory assets	1,395	18
Non-current regulatory assets	2,321	2,094
Total Regulatory Liabilities	3,174	3,520
Total Current Regulatory Liabilities	21	72
Total Non-Current Regulatory Liabilities	3,153	3,448
Regulatory liabilities related to TCJA
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Liabilities	1,389	1,484
Estimated removal costs
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Liabilities	1,304	1,470
Other Regulatory Assets (Liabilities)
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Liabilities	481	566
Extraordinary Gas Costs
Schedule of Regulatory Assets and Liabilities [Line Items]
Total current regulatory assets	1,256
Future Amounts Recoverable From Ratepayers
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	693	760
Future Amounts Recoverable From Ratepayers | Benefit obligations
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	412	550
Future Amounts Recoverable From Ratepayers | Asset retirement obligations & other
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	240	173
Future Amounts Recoverable From Ratepayers | Net deferred income taxes
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	41	37
Amounts Deferred For Future Recovery
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	1,921	339
Amounts Deferred For Future Recovery | Gas Recovery
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	29	9
Amounts Deferred For Future Recovery | Extraordinary Gas Costs
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	1,528
Amounts Deferred For Future Recovery | Cost recovery riders
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	124	221
Amounts Deferred For Future Recovery | Storm Costs
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	105	36
Amounts Deferred For Future Recovery | Other Regulatory Assets (Liabilities)
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	94	90
Amounts Deferred For Future Recovery | Decoupling Costs
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	25	2
Amounts Deferred For Future Recovery | COVID-19 incremental costs
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	23	23
Amounts Deferred For Future Recovery | Emergency generation costs
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	21
Amounts Deferred For Future Recovery | Unrecognized equity return
Schedule of Regulatory Assets and Liabilities [Line Items]
Unrecognized equity return	(28)	(42)
Amounts Currently Recovered In Customer Rates
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	1,102	1,013
Amounts Currently Recovered In Customer Rates | Benefit obligations
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	28	37
Amounts Currently Recovered In Customer Rates | Gas Recovery
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	72	7
Amounts Currently Recovered In Customer Rates | Extraordinary Gas Costs
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	66
Amounts Currently Recovered In Customer Rates | Storm Costs
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	43	55
Amounts Currently Recovered In Customer Rates | Tax Cuts and Jobs Act Costs
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	48	25
Amounts Currently Recovered In Customer Rates | Unrecognized equity return
Schedule of Regulatory Assets and Liabilities [Line Items]
Unrecognized equity return	(171)	(187)
Amounts Currently Recovered In Customer Rates | Authorized trackers and cost deferrals
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	504	332
Amounts Currently Recovered In Customer Rates | Securitized regulatory assets
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	420	633
Amounts Currently Recovered In Customer Rates | Unamortized loss on reacquired debt and hedging
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	92	111
Amounts Currently Recovered In Customer Rates, Earning Return
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	558
Amounts Currently Recovered In Customer Rates, Not Earning A Return
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	$ 175
Remaining weighted average period for which no return on investment during recovery period is provided	11 years
Houston Electric
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	$ 789	848
Total current regulatory assets	0	0
Non-current regulatory assets	789	848
Total Regulatory Liabilities	1,172	1,295
Total Current Regulatory Liabilities	20	43
Total Non-Current Regulatory Liabilities	1,152	1,252
Houston Electric | Regulatory liabilities related to TCJA
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Liabilities	738	764
Houston Electric | Estimated removal costs
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Liabilities	229	231
Houston Electric | Other Regulatory Assets (Liabilities)
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Liabilities	205	300
Houston Electric | Future Amounts Recoverable From Ratepayers
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	74	64
Houston Electric | Future Amounts Recoverable From Ratepayers | Benefit obligations
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	0	0
Houston Electric | Future Amounts Recoverable From Ratepayers | Asset retirement obligations & other
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	45	39
Houston Electric | Future Amounts Recoverable From Ratepayers | Net deferred income taxes
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	29	25
Houston Electric | Amounts Deferred For Future Recovery
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	188	79
Houston Electric | Amounts Deferred For Future Recovery | Gas Recovery
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	0	0
Houston Electric | Amounts Deferred For Future Recovery | Extraordinary Gas Costs
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	0
Houston Electric | Amounts Deferred For Future Recovery | Cost recovery riders
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	0	0
Houston Electric | Amounts Deferred For Future Recovery | Storm Costs
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	105	36
Houston Electric | Amounts Deferred For Future Recovery | Other Regulatory Assets (Liabilities)
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	57	38
Houston Electric | Amounts Deferred For Future Recovery | Decoupling Costs
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	0	0
Houston Electric | Amounts Deferred For Future Recovery | COVID-19 incremental costs
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	8	5
Houston Electric | Amounts Deferred For Future Recovery | Emergency generation costs
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	21
Houston Electric | Amounts Deferred For Future Recovery | Unrecognized equity return
Schedule of Regulatory Assets and Liabilities [Line Items]
Unrecognized equity return	(3)	0
Houston Electric | Amounts Currently Recovered In Customer Rates
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	527	705
Houston Electric | Amounts Currently Recovered In Customer Rates | Benefit obligations
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	24	31
Houston Electric | Amounts Currently Recovered In Customer Rates | Gas Recovery
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	0	0
Houston Electric | Amounts Currently Recovered In Customer Rates | Extraordinary Gas Costs
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	0
Houston Electric | Amounts Currently Recovered In Customer Rates | Storm Costs
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	43	55
Houston Electric | Amounts Currently Recovered In Customer Rates | Tax Cuts and Jobs Act Costs
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	46	20
Houston Electric | Amounts Currently Recovered In Customer Rates | Unrecognized equity return
Schedule of Regulatory Assets and Liabilities [Line Items]
Unrecognized equity return	(97)	(137)
Houston Electric | Amounts Currently Recovered In Customer Rates | Authorized trackers and cost deferrals
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	24	30
Houston Electric | Amounts Currently Recovered In Customer Rates | Securitized regulatory assets
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	420	633
Houston Electric | Amounts Currently Recovered In Customer Rates | Unamortized loss on reacquired debt and hedging
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	67	73
Houston Electric | Amounts Currently Recovered In Customer Rates, Earning Return
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	459
Houston Electric | Amounts Currently Recovered In Customer Rates, Not Earning A Return
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	$ 67
Remaining weighted average period for which no return on investment during recovery period is provided	23 years
CERC Corp
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	$ 1,866	238
Total current regulatory assets	1,289	18
Non-current regulatory assets	577	220
Total Regulatory Liabilities	980	1,255
Total Current Regulatory Liabilities	1	29
Total Non-Current Regulatory Liabilities	979	1,226
CERC Corp | Regulatory liabilities related to TCJA
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Liabilities	400	421
CERC Corp | Estimated removal costs
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Liabilities	452	656
CERC Corp | Other Regulatory Assets (Liabilities)
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Liabilities	128	178
CERC Corp | Extraordinary Gas Costs
Schedule of Regulatory Assets and Liabilities [Line Items]
Total current regulatory assets	1,182
CERC Corp | Future Amounts Recoverable From Ratepayers
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	199	132
CERC Corp | Future Amounts Recoverable From Ratepayers | Benefit obligations
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	5	4
CERC Corp | Future Amounts Recoverable From Ratepayers | Asset retirement obligations & other
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	192	125
CERC Corp | Future Amounts Recoverable From Ratepayers | Net deferred income taxes
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	2	3
CERC Corp | Amounts Deferred For Future Recovery
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	1,556	76
CERC Corp | Amounts Deferred For Future Recovery | Gas Recovery
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	29	9
CERC Corp | Amounts Deferred For Future Recovery | Extraordinary Gas Costs
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	1,454
CERC Corp | Amounts Deferred For Future Recovery | Cost recovery riders
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	0	0
CERC Corp | Amounts Deferred For Future Recovery | Storm Costs
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	0	0
CERC Corp | Amounts Deferred For Future Recovery | Other Regulatory Assets (Liabilities)
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	37	52
CERC Corp | Amounts Deferred For Future Recovery | Decoupling Costs
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	25	2
CERC Corp | Amounts Deferred For Future Recovery | COVID-19 incremental costs
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	15	18
CERC Corp | Amounts Deferred For Future Recovery | Emergency generation costs
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	0
CERC Corp | Amounts Deferred For Future Recovery | Unrecognized equity return
Schedule of Regulatory Assets and Liabilities [Line Items]
Unrecognized equity return	(4)	(5)
CERC Corp | Amounts Currently Recovered In Customer Rates
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	111	30
CERC Corp | Amounts Currently Recovered In Customer Rates | Benefit obligations
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	4	6
CERC Corp | Amounts Currently Recovered In Customer Rates | Gas Recovery
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	40	7
CERC Corp | Amounts Currently Recovered In Customer Rates | Extraordinary Gas Costs
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	66
CERC Corp | Amounts Currently Recovered In Customer Rates | Storm Costs
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	0	0
CERC Corp | Amounts Currently Recovered In Customer Rates | Tax Cuts and Jobs Act Costs
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	2	5
CERC Corp | Amounts Currently Recovered In Customer Rates | Unrecognized equity return
Schedule of Regulatory Assets and Liabilities [Line Items]
Unrecognized equity return	(12)	(8)
CERC Corp | Amounts Currently Recovered In Customer Rates | Authorized trackers and cost deferrals
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	11	20
CERC Corp | Amounts Currently Recovered In Customer Rates | Securitized regulatory assets
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	0	0
CERC Corp | Amounts Currently Recovered In Customer Rates | Unamortized loss on reacquired debt and hedging
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	0	$ 0
CERC Corp | Amounts Currently Recovered In Customer Rates, Earning Return
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	7
CERC Corp | Amounts Currently Recovered In Customer Rates, Not Earning A Return
Schedule of Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	$ 69
Remaining weighted average period for which no return on investment during recovery period is provided	2 years

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Regulatory Matters - Schedule of Allowed Equity Return Recognized (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Public Utilities, General Disclosures [Line Items]
Allowed equity return recognized	$ 40	$ 31	$ 45
Houston Electric
Public Utilities, General Disclosures [Line Items]
Allowed equity return recognized	37	31	45
CERC Corp
Public Utilities, General Disclosures [Line Items]
Allowed equity return recognized	$ 1	$ 0	$ 0

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Regulatory Matters - Narrative (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 22, 2021	Nov. 12, 2021	Dec. 31, 2020
Public Utilities, General Disclosures [Line Items]
Total Regulatory Assets	$ 3,716			$ 2,112
Total current regulatory assets	1,395			18
Non-current regulatory assets	2,321			2,094
Total Regulatory Liabilities	3,174			3,520
February 2021 Winter Storm Event
Public Utilities, General Disclosures [Line Items]
Total current regulatory assets	1,410
Non-current regulatory assets	583
February 2021 Winter Storm Event | Arkansas and Oklahoma Natural Gas Businesses
Public Utilities, General Disclosures [Line Items]
Total current regulatory assets	154
Non-current regulatory assets	244
February 2021 Winter Storm Event | Customer Rate Relief Bond Financing
Public Utilities, General Disclosures [Line Items]
Total Regulatory Assets			$ 1,100
February 2021 Winter Storm Event | Authorized trackers and cost deferrals
Public Utilities, General Disclosures [Line Items]
Total Regulatory Assets	15
Natural Gas
Public Utilities, General Disclosures [Line Items]
Incremental uncollectible receivables, regulatory asset	29			22
CERC Corp
Public Utilities, General Disclosures [Line Items]
Total Regulatory Assets	1,866			238
Total current regulatory assets	1,289			18
Non-current regulatory assets	577			220
Total Regulatory Liabilities	980			1,255
Incremental uncollectible receivables, regulatory asset	27			19
CERC Corp | February 2021 Winter Storm Event
Public Utilities, General Disclosures [Line Items]
Total current regulatory assets	1,336
Non-current regulatory assets	583
Total Regulatory Liabilities	398
CERC Corp | February 2021 Winter Storm Event | Arkansas and Oklahoma Natural Gas Businesses
Public Utilities, General Disclosures [Line Items]
Total current regulatory assets	154
Non-current regulatory assets	244
Houston Electric
Public Utilities, General Disclosures [Line Items]
Total Regulatory Assets	789			848
Total current regulatory assets	0			0
Non-current regulatory assets	789			848
Total Regulatory Liabilities	1,172			1,295
Houston Electric | February 2021 Winter Storm Event | Authorized trackers and cost deferrals
Public Utilities, General Disclosures [Line Items]
Total Regulatory Assets	15
Department Of Commerce | CERC Corp
Public Utilities, General Disclosures [Line Items]
Total Regulatory Liabilities		$ 45
Citizens Utility Board | CERC Corp
Public Utilities, General Disclosures [Line Items]
Total Regulatory Liabilities		82
Attorney General's Office | CERC Corp
Public Utilities, General Disclosures [Line Items]
Total Regulatory Liabilities		409
Attorney General's Office Alternative | CERC Corp
Public Utilities, General Disclosures [Line Items]
Total Regulatory Liabilities		$ 57
Public Utility Commission of Texas
Public Utilities, General Disclosures [Line Items]
Total Regulatory Assets	8
COVID-19 ERP regulatory liability	0			6
Public Utility Commission of Texas | Houston Electric
Public Utilities, General Disclosures [Line Items]
Total Regulatory Assets	8
COVID-19 ERP regulatory liability	$ 0			$ 6

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Stock-Based Incentive Compensation Plans and Employee Benefit Plans - Stock Based Incentive Compensation (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Employee Service Share-based Compensation, Aggregate Disclosures [Abstract]
Income tax benefit recognized related to LTIPs	$ 11	$ 9	$ 7
Actual tax benefit realized for tax deductions	$ 4	$ 5	$ 12
Performance Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance period	3 years
Shares
Nonvested, beginning of period (in shares)	3,900,000,000
Granted (in shares)	2,095,000,000
Forfeited or cancelled (in shares)	(1,017,000,000)
Vested and released to participants (in shares)	(315,000,000)
Nonvested, end of period (in shares)	4,663,000,000	3,900,000,000
Weighted-Average Grant Date Fair Value
Nonvested, beginning of period (in dollars per share)	$ 26.58
Granted (in dollars per share)	21.89	$ 23.82	$ 31.16
Forfeited or cancelled (in dollars per share)	26.44
Vested and released to participants (in dollars per share)	26.79
Nonvested, end of period (in dollars per share)	$ 24.48	$ 26.58
Remaining average contractual life of nonvested shares outstanding (in years)	1 year 2 months 12 days
Aggregate Intrinsic Value	$ 90
Total intrinsic value of awards received by participants	7	$ 9	$ 36
Total grant date fair values of performance and stock awards which vested during the period	$ 8	$ 9	$ 20
Stock Awards
Shares
Nonvested, beginning of period (in shares)	1,289,000,000
Granted (in shares)	1,609,000,000
Forfeited or cancelled (in shares)	(91,000,000)
Vested and released to participants (in shares)	(440,000,000)
Nonvested, end of period (in shares)	2,367,000,000	1,289,000,000
Weighted-Average Grant Date Fair Value
Nonvested, beginning of period (in dollars per share)	$ 25.71
Granted (in dollars per share)	24.20	$ 21.53	$ 31.07
Forfeited or cancelled (in dollars per share)	26.23
Vested and released to participants (in dollars per share)	25.26
Nonvested, end of period (in dollars per share)	$ 24.75	$ 25.71
Remaining average contractual life of nonvested shares outstanding (in years)	1 year 4 months 24 days
Aggregate Intrinsic Value	$ 66
Total intrinsic value of awards received by participants	11	$ 12	$ 15
Total grant date fair values of performance and stock awards which vested during the period	11	12	9
Performance and Stock Awards
Weighted-Average Grant Date Fair Value
Unrecognized compensation cost related to non-vested performance and stock awards	$ 58
Weighted average period of recognition (in years)	1 year 8 months 12 days
Operation And Maintenance Expense
Employee Service Share-based Compensation, Aggregate Disclosures [Abstract]
LTIP compensation expense	$ 48	$ 38	$ 28
Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized for issuance under long-term incentive plans (in shares)	14,000,000

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Stock-Based Incentive Compensation Plans and Employee Benefit Plans - Pension and Postretirement Benefits (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Amounts Recognized in Balance Sheets
Other liabilities — benefit obligations	$ (511)	$ (680)
Changes in plan assets and benefit obligations recognized in other comprehensive income
Amortization of net loss	(7)	(7)
Amortization of prior service cost	(1)	0
Settlement (2)	(4)	0
Pension Plan
Components of net periodic costs [Abstract]
Service cost	38	43
Interest cost	59	75
Net periodic cost (credit)	$ 69	$ 49	$ 93
Assumptions used to determine net periodic benefit (income) cost
Expected return on plan assets (as a percent)	5.00%	5.00%
Change in benefit obligation [Roll Forward]
Benefit obligation, beginning of year	$ 2,507	$ 2,453
Service cost	38	43
Interest cost	59	75
Benefits paid	(285)	(207)
Actuarial (gain) loss	(22)	143
Plan amendment	1	0
Benefit obligation, end of year	2,298	2,507	2,453
Change in plan assets [Rollforward]
Fair value of plan assets, beginning of year	2,135	2,005
Employer contributions	61	86
Benefits paid	(285)	(207)
Actual investment return	161	251
Fair value of plan assets, end of year	2,072	2,135	$ 2,005
Funded status, end of year	(226)	(372)
Amounts Recognized in Balance Sheets
Non-current assets	6	0
Current liabilities — other	(7)	(8)
Other liabilities — benefit obligations	(225)	(364)
Net liability, end of year	$ (226)	$ (372)
Discount rate (as a percent)	2.80%	2.45%
Rate of increase in compensation levels (as a percent)	4.95%	5.05%
Interest crediting rate (as a percent)	2.25%	2.25%
Pension benefits that have accumulated benefit obligations in excess of plan assets
Accumulated benefit obligation for all defined benefit pension plans	$ 2,278	$ 2,495
Amounts recognized in accumulated other comprehensive loss
Unrecognized actuarial loss (gain)	99	109
Unrecognized prior service cost	0	0
Net amount recognized in accumulated other comprehensive loss (gain)	99	109
Changes in plan assets and benefit obligations recognized in other comprehensive income
Net loss (gain)	1
Amortization of net loss	(7)
Amortization of prior service cost	0
Settlement (2)	(4)
Total recognized in comprehensive income	(10)
Total expense recognized in net periodic cost and other comprehensive income	59
Pension Plan | Qualified Plan
Change in plan assets [Rollforward]
Employer contributions	53
Pension benefits that have accumulated benefit obligations in excess of plan assets
Accumulated benefit obligation	2,216	2,427
Projected benefit obligation	2,237	2,440
Fair value of plan assets	2,072	2,135
Pension Plan | Nonqualified Plan
Change in plan assets [Rollforward]
Employer contributions	8
Pension benefits that have accumulated benefit obligations in excess of plan assets
Accumulated benefit obligation	62	68
Projected benefit obligation	62	68
Fair value of plan assets	$ 0	$ 0
Pension Plan | CenterPoint Energy
Assumptions used to determine net periodic benefit (income) cost
Discount rate (as a percent)	2.45%	3.20%	4.35%
Expected return on plan assets (as a percent)	5.00%	5.75%	6.00%
Rate of increase in compensation levels (as a percent)	5.05%	4.95%	4.60%
Other Postretirement Benefits Plan
Components of net periodic costs [Abstract]
Service cost	$ 2	$ 2	$ 3
Interest cost	9	11	15
Expected return on plan assets	(4)	(5)	(5)
Amortization of prior service cost	(4)	(4)	(5)
Net periodic cost (credit)	$ 3	$ 4	$ 8
Assumptions used to determine net periodic benefit (income) cost
Discount rate (as a percent)	2.50%	3.25%	3.20%
Expected return on plan assets (as a percent)	3.20%	3.95%	4.60%
Change in benefit obligation [Roll Forward]
Benefit obligation, beginning of year	$ 366	$ 356
Service cost	2	2	$ 3
Interest cost	9	11	15
Participant contributions	7	6
Benefits paid	(21)	(22)
Early Retiree Reinsurance Program	20	0
Actuarial (gain) loss	(47)	13
Plan amendment	0	0
Benefit obligation, end of year	336	366	356
Change in plan assets [Rollforward]
Fair value of plan assets, beginning of year	134	128
Employer contributions	7	10
Participant contributions	7	6
Benefits paid	(21)	(22)
Actual investment return	5	12
Fair value of plan assets, end of year	132	134	128
Funded status, end of year	(204)	(232)
Amounts Recognized in Balance Sheets
Current liabilities — other	(7)	(9)
Other liabilities — benefit obligations	(197)	(223)
Net liability, end of year	$ (204)	$ (232)
Discount rate (as a percent)	2.85%	2.50%
Expected return on plan assets (as a percent)	3.22%	3.20%
Pension benefits that have accumulated benefit obligations in excess of plan assets
Prescription drug cost trend rate assumed for the next year - Pre-65	8.00%	7.50%
Rate to which the cost trend rate is assumed to decline (the ultimate trend rate)	4.50%	4.50%
Amounts recognized in accumulated other comprehensive loss
Unrecognized actuarial loss (gain)	$ (23)	$ (14)
Unrecognized prior service cost	13	7
Net amount recognized in accumulated other comprehensive loss (gain)	(10)	$ (7)
Changes in plan assets and benefit obligations recognized in other comprehensive income
Net loss (gain)	(2)
Amortization of net loss	0
Amortization of prior service cost	(1)
Settlement (2)	0
Total recognized in comprehensive income	(3)
Total expense recognized in net periodic cost and other comprehensive income	$ 0
Minimum | Other Postretirement Benefits Plan
Pension benefits that have accumulated benefit obligations in excess of plan assets
Health care cost trend rate assumed for the next year	6.00%	5.25%
Maximum | Other Postretirement Benefits Plan
Pension benefits that have accumulated benefit obligations in excess of plan assets
Health care cost trend rate assumed for the next year	18.71%	19.70%
Houston Electric
Amounts Recognized in Balance Sheets
Other liabilities — benefit obligations	$ (55)	$ (75)
Changes in plan assets and benefit obligations recognized in other comprehensive income
Amortization of net loss	0	0
Amortization of prior service cost	0	0
Settlement (2)	0	0
Houston Electric | Pension Plan | Qualified Plan
Change in plan assets [Rollforward]
Employer contributions	0
Houston Electric | Pension Plan | Nonqualified Plan
Change in plan assets [Rollforward]
Employer contributions	0
Houston Electric | Other Postretirement Benefits Plan
Components of net periodic costs [Abstract]
Service cost	0	0	1
Interest cost	4	5	7
Expected return on plan assets	(3)	(4)	(4)
Amortization of prior service cost	(5)	(5)	(6)
Net periodic cost (credit)	$ (4)	$ (4)	$ (2)
Assumptions used to determine net periodic benefit (income) cost
Discount rate (as a percent)	2.50%	3.25%	3.20%
Expected return on plan assets (as a percent)	3.30%	4.05%	4.70%
Change in benefit obligation [Roll Forward]
Benefit obligation, beginning of year	$ 168	$ 162
Service cost	0	0	$ 1
Interest cost	4	5	7
Participant contributions	2	2
Benefits paid	(9)	(10)
Early Retiree Reinsurance Program	0	0
Actuarial (gain) loss	(22)	9
Plan amendment	5	0
Benefit obligation, end of year	148	168	162
Change in plan assets [Rollforward]
Fair value of plan assets, beginning of year	106	101
Employer contributions	1	3
Participant contributions	2	2
Benefits paid	(9)	(10)
Actual investment return	4	10
Fair value of plan assets, end of year	104	106	101
Funded status, end of year	(44)	(62)
Amounts Recognized in Balance Sheets
Current liabilities — other	0	0
Other liabilities — benefit obligations	(44)	(62)
Net liability, end of year	$ (44)	$ (62)
Discount rate (as a percent)	2.85%	2.50%
Expected return on plan assets (as a percent)	3.32%	3.30%
Pension benefits that have accumulated benefit obligations in excess of plan assets
Prescription drug cost trend rate assumed for the next year - Pre-65	8.00%	7.50%
Rate to which the cost trend rate is assumed to decline (the ultimate trend rate)	4.50%	4.50%
Houston Electric | Minimum | Other Postretirement Benefits Plan
Pension benefits that have accumulated benefit obligations in excess of plan assets
Health care cost trend rate assumed for the next year	6.00%	5.25%
Houston Electric | Maximum | Other Postretirement Benefits Plan
Pension benefits that have accumulated benefit obligations in excess of plan assets
Health care cost trend rate assumed for the next year	18.71%	19.70%
CERC Corp
Amounts Recognized in Balance Sheets
Other liabilities — benefit obligations	$ (81)	$ (83)
Changes in plan assets and benefit obligations recognized in other comprehensive income
Amortization of net loss	0	0
Amortization of prior service cost	(1)	(1)
Settlement (2)	0	0
CERC Corp | Pension Plan | Qualified Plan
Change in plan assets [Rollforward]
Employer contributions	0
CERC Corp | Pension Plan | Nonqualified Plan
Change in plan assets [Rollforward]
Employer contributions	0
CERC Corp | Other Postretirement Benefits Plan
Components of net periodic costs [Abstract]
Service cost	1	1	1
Interest cost	3	3	5
Expected return on plan assets	(1)	(1)	(1)
Amortization of prior service cost	1	1	1
Net periodic cost (credit)	$ 4	$ 4	$ 6
Assumptions used to determine net periodic benefit (income) cost
Discount rate (as a percent)	2.50%	3.25%	3.20%
Expected return on plan assets (as a percent)	2.85%	3.35%	4.15%
Change in benefit obligation [Roll Forward]
Benefit obligation, beginning of year	$ 105	$ 102
Service cost	1	1	$ 1
Interest cost	3	3	5
Participant contributions	2	2
Benefits paid	(6)	(6)
Early Retiree Reinsurance Program	11	0
Actuarial (gain) loss	(11)	3
Plan amendment	0	0
Benefit obligation, end of year	105	105	102
Change in plan assets [Rollforward]
Fair value of plan assets, beginning of year	28	27
Employer contributions	3	3
Participant contributions	2	2
Benefits paid	(6)	(6)
Actual investment return	1	2
Fair value of plan assets, end of year	28	28	27
Funded status, end of year	(77)	(77)
Amounts Recognized in Balance Sheets
Current liabilities — other	(3)	(3)
Other liabilities — benefit obligations	(73)	(74)
Net liability, end of year	$ (76)	$ (77)
Discount rate (as a percent)	2.85%	2.50%
Expected return on plan assets (as a percent)	2.86%	2.85%
Pension benefits that have accumulated benefit obligations in excess of plan assets
Prescription drug cost trend rate assumed for the next year - Pre-65	8.00%	7.50%
Rate to which the cost trend rate is assumed to decline (the ultimate trend rate)	4.50%	4.50%
Amounts recognized in accumulated other comprehensive loss
Unrecognized actuarial loss (gain)	$ (18)	$ (12)
Unrecognized prior service cost	12	7
Net amount recognized in accumulated other comprehensive loss (gain)	(6)	$ (5)
Changes in plan assets and benefit obligations recognized in other comprehensive income
Net loss (gain)	0
Amortization of net loss	0
Amortization of prior service cost	(1)
Settlement (2)	0
Total recognized in comprehensive income	(1)
Total expense recognized in net periodic cost and other comprehensive income	$ 3
CERC Corp | Minimum | Other Postretirement Benefits Plan
Pension benefits that have accumulated benefit obligations in excess of plan assets
Health care cost trend rate assumed for the next year	6.00%	5.25%
CERC Corp | Maximum | Other Postretirement Benefits Plan
Pension benefits that have accumulated benefit obligations in excess of plan assets
Health care cost trend rate assumed for the next year	18.71%	19.70%
Operation And Maintenance Expense | Pension Plan
Components of net periodic costs [Abstract]
Service cost	$ 39	$ 43	40
Change in benefit obligation [Roll Forward]
Service cost	39	43	40
Other Nonoperating Income (Expense) | Pension Plan
Components of net periodic costs [Abstract]
Interest cost	59	75	96
Expected return on plan assets	(103)	(112)	(105)
Amortization of prior service cost	0	0	9
Amortization of net loss	36	41	52
Settlement cost	38	2	2
Curtailment gain	0	0	(1)
Change in benefit obligation [Roll Forward]
Interest cost	$ 59	$ 75	$ 96

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Stock-Based Incentive Compensation Plans and Employee Benefit Plans - Plan Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Savings Plan [Abstract]
Number of Common stock held by the savings plan (in shares)	8,688,841
Percentage of investment in common stocks (in hundredths)	8.00%
Defined contribution plan cost	$ 58	$ 58	$ 58
Postemployment Benefits [Abstract]
Postemployment Benefits, Period Expense	3	1	2
Benefit expense related to deferred compensation plans	3	4	4
Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	2,072	2,135	2,005
Obligation to return cash received as collateral from securities lending	(80)	(81)
Defined Benefits Plan, Fair Value Of Plan Assets, Excluding Investments Measured at Net Asset Value	$ 1,303	$ 1,467
Discount rate (as a percent)	2.80%	2.45%
Contributions in 2021	$ 61	$ 86
Defined Benefit Plan, Estimated Future Benefit Payments [Abstract]
2022	166
2023	168
2024	167
2025	167
2026	163
2027-2031	730
Pension Plan | Qualified Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Contributions in 2021	53
Expected Minimum Contributions in 2022	0
Pension Plan | Nonqualified Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Contributions in 2021	8
Expected Minimum Contributions in 2022	7
Other Postretirement Benefits Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	$ 132	$ 134	128
Discount rate (as a percent)	2.85%	2.50%
Contributions in 2021	$ 7	$ 10
Expected Minimum Contributions in 2022	8
Defined Benefit Plan, Estimated Future Benefit Payments [Abstract]
2022	16
2023	17
2024	18
2025	19
2026	20
2027-2031	103
Level 1 | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	400	631
Obligation to return cash received as collateral from securities lending	(80)	(81)
Level 2 | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	903	836
Obligation to return cash received as collateral from securities lending	0	0
Level 3 | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	0	0
Obligation to return cash received as collateral from securities lending	0	0
U.S. equity | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	89	76
U.S. equity | Level 1 | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	89	76
U.S. equity | Level 2 | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	0	0
U.S. equity | Level 3 | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	0	0
Cash | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	26	29
Cash | Level 1 | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	26	29
Cash | Level 2 | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	0	0
Cash | Level 3 | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	0	0
Investment grade or above | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	833	767
Investment grade or above | Level 1 | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	0	0
Investment grade or above | Level 2 | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	833	767
Investment grade or above | Level 3 | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	0	0
Cash received as collateral from securities lending | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	80	81
Cash received as collateral from securities lending | Level 1 | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	80	81
Cash received as collateral from securities lending | Level 2 | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	0	0
Cash received as collateral from securities lending | Level 3 | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	0	0
U.S. treasuries and government agencies | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	285	225
U.S. treasuries and government agencies | Level 1 | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	285	225
U.S. treasuries and government agencies | Level 2 | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	0	0
U.S. treasuries and government agencies | Level 3 | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	0	0
Mortgage backed securities | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	7	5
Mortgage backed securities | Level 1 | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	0	0
Mortgage backed securities | Level 2 | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	7	5
Mortgage backed securities | Level 3 | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	0	0
Asset backed securities | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	3	3
Asset backed securities | Level 1 | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	0	0
Asset backed securities | Level 2 | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	3	3
Asset backed securities | Level 3 | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	0	0
Municipal bonds | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	40	43
Municipal bonds | Level 1 | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	0	0
Municipal bonds | Level 2 | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	40	43
Municipal bonds | Level 3 | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	0	0
Mutual funds | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	0	301
Mutual funds | Other Postretirement Benefits Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	$ 133	$ 134
Mutual funds | International equities | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, actual allocation (as a percent)		14.00%
Mutual funds | International equities | Other Postretirement Benefits Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, actual allocation (as a percent)	8.00%	7.00%
Mutual funds | U.S. equity | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, actual allocation (as a percent)		55.00%
Mutual funds | U.S. equity | Other Postretirement Benefits Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, actual allocation (as a percent)	20.00%	19.00%
Mutual funds | Real estate | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, actual allocation (as a percent)		5.00%
Mutual funds | Fixed income | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, actual allocation (as a percent)		27.00%
Mutual funds | Fixed income | Other Postretirement Benefits Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, actual allocation (as a percent)	72.00%	74.00%
Mutual funds | Level 1 | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	$ 0	$ 301
Mutual funds | Level 1 | Other Postretirement Benefits Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	133	134
Mutual funds | Level 2 | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	0	0
Mutual funds | Level 2 | Other Postretirement Benefits Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	0	0
Mutual funds | Level 3 | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	0	0
Mutual funds | Level 3 | Other Postretirement Benefits Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	0	0
International government bonds | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	20	18
International government bonds | Level 1 | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	0	0
International government bonds | Level 2 | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	20	18
International government bonds | Level 3 | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	0	0
Common Collective Trust Funds | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	$ 769	$ 668
Common Collective Trust Funds | International equities | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, actual allocation (as a percent)	41.00%	37.00%
Common Collective Trust Funds | U.S. equity | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, actual allocation (as a percent)	58.00%	3.00%
Common Collective Trust Funds | Real estate | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, actual allocation (as a percent)	0.00%	1.00%
Common Collective Trust Funds | Fixed income | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, actual allocation (as a percent)	1.00%	59.00%
Benefit Obligation
Postemployment Benefits [Abstract]
Postemployment benefit obligations	$ 8	$ 8
Other non-qualified plans benefit obligations deferred compensation	40	43
Benefit obligations related to split-dollar life insurance arrangements	$ 29	32
Minimum | U.S. equity | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocation (as a percent)	17.00%
Minimum | U.S. equity | Other Postretirement Benefits Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocation (as a percent)	13.00%
Minimum | International equity | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocation (as a percent)	9.00%
Minimum | International equity | Other Postretirement Benefits Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocation (as a percent)	3.00%
Minimum | Real estate | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocation (as a percent)	2.00%
Minimum | Fixed income | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocation (as a percent)	54.00%
Minimum | Fixed income | Other Postretirement Benefits Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocation (as a percent)	69.00%
Minimum | Cash | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocation (as a percent)	0.00%
Minimum | Cash | Other Postretirement Benefits Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocation (as a percent)	0.00%
Maximum | U.S. equity | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocation (as a percent)	27.00%
Maximum | U.S. equity | Other Postretirement Benefits Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocation (as a percent)	23.00%
Maximum | International equity | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocation (as a percent)	19.00%
Maximum | International equity | Other Postretirement Benefits Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocation (as a percent)	13.00%
Maximum | Real estate | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocation (as a percent)	8.00%
Maximum | Fixed income | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocation (as a percent)	64.00%
Maximum | Fixed income | Other Postretirement Benefits Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocation (as a percent)	79.00%
Maximum | Cash | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocation (as a percent)	2.00%
Maximum | Cash | Other Postretirement Benefits Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocation (as a percent)	2.00%
Common Stock | CenterPoint Energy
Savings Plan [Abstract]
Maximum limit of account balance in company stock (as a percent)	25.00%
Houston Electric
Savings Plan [Abstract]
Defined contribution plan cost	$ 20	18	18
Postemployment Benefits [Abstract]
Postemployment Benefits, Period Expense	1	1	1
Benefit expense related to deferred compensation plans	0	1	1
Houston Electric | Pension Plan | Qualified Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Contributions in 2021	0
Expected Minimum Contributions in 2022	0
Houston Electric | Pension Plan | Nonqualified Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Contributions in 2021	0
Expected Minimum Contributions in 2022	0
Houston Electric | Other Postretirement Benefits Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	$ 104	$ 106	101
Discount rate (as a percent)	2.85%	2.50%
Contributions in 2021	$ 1	$ 3
Expected Minimum Contributions in 2022	1
Defined Benefit Plan, Estimated Future Benefit Payments [Abstract]
2022	7
2023	8
2024	9
2025	9
2026	9
2027-2031	48
Houston Electric | Mutual funds | Other Postretirement Benefits Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	$ 105	$ 106
Houston Electric | Mutual funds | International equities | Other Postretirement Benefits Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, actual allocation (as a percent)	8.00%	8.00%
Houston Electric | Mutual funds | U.S. equity | Other Postretirement Benefits Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, actual allocation (as a percent)	19.00%	18.00%
Houston Electric | Mutual funds | Fixed income | Other Postretirement Benefits Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, actual allocation (as a percent)	73.00%	74.00%
Houston Electric | Mutual funds | Level 1 | Other Postretirement Benefits Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	$ 105	$ 106
Houston Electric | Mutual funds | Level 2 | Other Postretirement Benefits Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	0	0
Houston Electric | Mutual funds | Level 3 | Other Postretirement Benefits Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	0	0
Houston Electric | Benefit Obligation
Postemployment Benefits [Abstract]
Postemployment benefit obligations	3	3
Other non-qualified plans benefit obligations deferred compensation	6	7
Benefit obligations related to split-dollar life insurance arrangements	$ 1	1
Houston Electric | Minimum | U.S. equity | Other Postretirement Benefits Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocation (as a percent)	13.00%
Houston Electric | Minimum | International equity | Other Postretirement Benefits Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocation (as a percent)	3.00%
Houston Electric | Minimum | Fixed income | Other Postretirement Benefits Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocation (as a percent)	69.00%
Houston Electric | Minimum | Cash | Other Postretirement Benefits Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocation (as a percent)	0.00%
Houston Electric | Maximum | U.S. equity | Other Postretirement Benefits Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocation (as a percent)	23.00%
Houston Electric | Maximum | International equity | Other Postretirement Benefits Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocation (as a percent)	13.00%
Houston Electric | Maximum | Fixed income | Other Postretirement Benefits Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocation (as a percent)	79.00%
Houston Electric | Maximum | Cash | Other Postretirement Benefits Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocation (as a percent)	2.00%
CERC Corp
Savings Plan [Abstract]
Defined contribution plan cost	$ 18	19	18
Postemployment Benefits [Abstract]
Postemployment Benefits, Period Expense	2	0	1
Benefit expense related to deferred compensation plans	0	0	0
CERC Corp | Pension Plan | Qualified Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Contributions in 2021	0
Expected Minimum Contributions in 2022	0
CERC Corp | Pension Plan | Nonqualified Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Contributions in 2021	0
Expected Minimum Contributions in 2022	0
CERC Corp | Other Postretirement Benefits Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	$ 28	$ 28	$ 27
Discount rate (as a percent)	2.85%	2.50%
Contributions in 2021	$ 3	$ 3
Expected Minimum Contributions in 2022	3
Defined Benefit Plan, Estimated Future Benefit Payments [Abstract]
2022	4
2023	5
2024	5
2025	5
2026	6
2027-2031	30
CERC Corp | Mutual funds | Other Postretirement Benefits Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	$ 28	$ 28
CERC Corp | Mutual funds | International equities | Other Postretirement Benefits Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, actual allocation (as a percent)	7.00%	7.00%
CERC Corp | Mutual funds | U.S. equity | Other Postretirement Benefits Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, actual allocation (as a percent)	22.00%	21.00%
CERC Corp | Mutual funds | Fixed income | Other Postretirement Benefits Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, actual allocation (as a percent)	71.00%	72.00%
CERC Corp | Mutual funds | Level 1 | Other Postretirement Benefits Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	$ 28	$ 28
CERC Corp | Mutual funds | Level 2 | Other Postretirement Benefits Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	0	0
CERC Corp | Mutual funds | Level 3 | Other Postretirement Benefits Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets, fair value	0	0
CERC Corp | Benefit Obligation
Postemployment Benefits [Abstract]
Postemployment benefit obligations	5	5
Other non-qualified plans benefit obligations deferred compensation	3	2
Benefit obligations related to split-dollar life insurance arrangements	$ 0	$ 0
CERC Corp | Minimum | U.S. equity | Other Postretirement Benefits Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocation (as a percent)	15.00%
CERC Corp | Minimum | International equity | Other Postretirement Benefits Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocation (as a percent)	2.00%
CERC Corp | Minimum | Fixed income | Other Postretirement Benefits Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocation (as a percent)	68.00%
CERC Corp | Minimum | Cash | Other Postretirement Benefits Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocation (as a percent)	0.00%
CERC Corp | Maximum | U.S. equity | Other Postretirement Benefits Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocation (as a percent)	25.00%
CERC Corp | Maximum | International equity | Other Postretirement Benefits Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocation (as a percent)	12.00%
CERC Corp | Maximum | Fixed income | Other Postretirement Benefits Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocation (as a percent)	78.00%
CERC Corp | Maximum | Cash | Other Postretirement Benefits Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocation (as a percent)	2.00%

XML

Stock-Based Incentive Compensation Plans and Employee Benefit Plans - Change in Control Agreements and Other Employee Matters (Details) $ in Millions		12 Months Ended
	Jul. 21, 2021 USD ($)	Dec. 31, 2021 salary_severance_benefits
Concentration Risk [Line Items]
Maximum number of times annual salary included in severance benefits | salary_severance_benefits		3
Board of Directors Chairman
Concentration Risk [Line Items]
Lump sum cash payment for separation | $	$ 28
Workforce Subject to Collective Bargaining Arrangements Expiring in May 2023 | Employees Subject To Collective Bargaining Agreements | Labor Force Concentration Risk
Concentration Risk [Line Items]
Concentration risk (as a percent)		15.00%
Workforce Subject to Collective Bargaining Arrangements Expiring in May 2021 | Employees Subject To Collective Bargaining Agreements | Labor Force Concentration Risk
Concentration Risk [Line Items]
Concentration risk (as a percent)		2.00%
Workforce Subject to Collective Bargaining Arrangements Expiring in April 2025 | Employees Subject To Collective Bargaining Agreements | Labor Force Concentration Risk
Concentration Risk [Line Items]
Concentration risk (as a percent)		5.00%
Workforce Subject to Collective Bargaining Arrangements Expiring December 2023 | Employees Subject To Collective Bargaining Agreements | Labor Force Concentration Risk
Concentration Risk [Line Items]
Concentration risk (as a percent)		3.00%
Workforce Subject to Collective Bargaining Arrangements Expiring in December 2025 | Employees Subject To Collective Bargaining Agreements | Labor Force Concentration Risk
Concentration Risk [Line Items]
Concentration risk (as a percent)		3.00%
Workforce Subject to Collective Bargaining Arrangements Expiring in June 2022 | Employees Subject To Collective Bargaining Agreements | Labor Force Concentration Risk
Concentration Risk [Line Items]
Concentration risk (as a percent)		5.00%
Workforce Subject to Collective Bargaining Arrangements Expiring in July 2022 | Employees Subject To Collective Bargaining Agreements | Labor Force Concentration Risk
Concentration Risk [Line Items]
Concentration risk (as a percent)		0.00%
Workforce Subject to Collective Bargaining Arrangements Expiring June 2022, Additional | Employees Subject To Collective Bargaining Agreements | Labor Force Concentration Risk
Concentration Risk [Line Items]
Concentration risk (as a percent)		3.00%
Workforce Subject to Collective Bargaining Arrangements Expiring in September 2021 | Employees Subject To Collective Bargaining Agreements | Labor Force Concentration Risk
Concentration Risk [Line Items]
Concentration risk (as a percent)		0.00%
Workforce Subject to Collective Bargaining Arrangements Expiring in October 2021 | Employees Subject To Collective Bargaining Agreements | Labor Force Concentration Risk
Concentration Risk [Line Items]
Concentration risk (as a percent)		1.00%
Workforce Subject to Collective Bargaining Arrangements | Employees Subject To Collective Bargaining Agreements | Labor Force Concentration Risk
Concentration Risk [Line Items]
Concentration risk (as a percent)		37.00%
Houston Electric | Workforce Subject to Collective Bargaining Arrangements Expiring in May 2023 | Employees Subject To Collective Bargaining Agreements | Labor Force Concentration Risk
Concentration Risk [Line Items]
Concentration risk (as a percent)		54.00%
Houston Electric | Workforce Subject to Collective Bargaining Arrangements Expiring in May 2021 | Employees Subject To Collective Bargaining Agreements | Labor Force Concentration Risk
Concentration Risk [Line Items]
Concentration risk (as a percent)		0.00%
Houston Electric | Workforce Subject to Collective Bargaining Arrangements Expiring in April 2025 | Employees Subject To Collective Bargaining Agreements | Labor Force Concentration Risk
Concentration Risk [Line Items]
Concentration risk (as a percent)		0.00%
Houston Electric | Workforce Subject to Collective Bargaining Arrangements Expiring December 2023 | Employees Subject To Collective Bargaining Agreements | Labor Force Concentration Risk
Concentration Risk [Line Items]
Concentration risk (as a percent)		0.00%
Houston Electric | Workforce Subject to Collective Bargaining Arrangements Expiring in December 2025 | Employees Subject To Collective Bargaining Agreements | Labor Force Concentration Risk
Concentration Risk [Line Items]
Concentration risk (as a percent)		0.00%
Houston Electric | Workforce Subject to Collective Bargaining Arrangements Expiring in June 2022 | Employees Subject To Collective Bargaining Agreements | Labor Force Concentration Risk
Concentration Risk [Line Items]
Concentration risk (as a percent)		0.00%
Houston Electric | Workforce Subject to Collective Bargaining Arrangements Expiring in July 2022 | Employees Subject To Collective Bargaining Agreements | Labor Force Concentration Risk
Concentration Risk [Line Items]
Concentration risk (as a percent)		0.00%
Houston Electric | Workforce Subject to Collective Bargaining Arrangements Expiring June 2022, Additional | Employees Subject To Collective Bargaining Agreements | Labor Force Concentration Risk
Concentration Risk [Line Items]
Concentration risk (as a percent)		0.00%
Houston Electric | Workforce Subject to Collective Bargaining Arrangements Expiring in September 2021 | Employees Subject To Collective Bargaining Agreements | Labor Force Concentration Risk
Concentration Risk [Line Items]
Concentration risk (as a percent)		0.00%
Houston Electric | Workforce Subject to Collective Bargaining Arrangements Expiring in October 2021 | Employees Subject To Collective Bargaining Agreements | Labor Force Concentration Risk
Concentration Risk [Line Items]
Concentration risk (as a percent)		0.00%
Houston Electric | Workforce Subject to Collective Bargaining Arrangements | Employees Subject To Collective Bargaining Agreements | Labor Force Concentration Risk
Concentration Risk [Line Items]
Concentration risk (as a percent)		54.00%
CERC Corp | Workforce Subject to Collective Bargaining Arrangements Expiring in May 2023 | Employees Subject To Collective Bargaining Agreements | Labor Force Concentration Risk
Concentration Risk [Line Items]
Concentration risk (as a percent)		0.00%
CERC Corp | Workforce Subject to Collective Bargaining Arrangements Expiring in May 2021 | Employees Subject To Collective Bargaining Agreements | Labor Force Concentration Risk
Concentration Risk [Line Items]
Concentration risk (as a percent)		3.00%
CERC Corp | Workforce Subject to Collective Bargaining Arrangements Expiring in April 2025 | Employees Subject To Collective Bargaining Agreements | Labor Force Concentration Risk
Concentration Risk [Line Items]
Concentration risk (as a percent)		12.00%
CERC Corp | Workforce Subject to Collective Bargaining Arrangements Expiring December 2023 | Employees Subject To Collective Bargaining Agreements | Labor Force Concentration Risk
Concentration Risk [Line Items]
Concentration risk (as a percent)		0.00%
CERC Corp | Workforce Subject to Collective Bargaining Arrangements Expiring in December 2025 | Employees Subject To Collective Bargaining Agreements | Labor Force Concentration Risk
Concentration Risk [Line Items]
Concentration risk (as a percent)		7.00%
CERC Corp | Workforce Subject to Collective Bargaining Arrangements Expiring in June 2022 | Employees Subject To Collective Bargaining Agreements | Labor Force Concentration Risk
Concentration Risk [Line Items]
Concentration risk (as a percent)		14.00%
CERC Corp | Workforce Subject to Collective Bargaining Arrangements Expiring in July 2022 | Employees Subject To Collective Bargaining Agreements | Labor Force Concentration Risk
Concentration Risk [Line Items]
Concentration risk (as a percent)		1.00%
CERC Corp | Workforce Subject to Collective Bargaining Arrangements Expiring June 2022, Additional | Employees Subject To Collective Bargaining Agreements | Labor Force Concentration Risk
Concentration Risk [Line Items]
Concentration risk (as a percent)		0.00%
CERC Corp | Workforce Subject to Collective Bargaining Arrangements Expiring in September 2021 | Employees Subject To Collective Bargaining Agreements | Labor Force Concentration Risk
Concentration Risk [Line Items]
Concentration risk (as a percent)		0.00%
CERC Corp | Workforce Subject to Collective Bargaining Arrangements Expiring in October 2021 | Employees Subject To Collective Bargaining Agreements | Labor Force Concentration Risk
Concentration Risk [Line Items]
Concentration risk (as a percent)		0.00%
CERC Corp | Workforce Subject to Collective Bargaining Arrangements | Employees Subject To Collective Bargaining Agreements | Labor Force Concentration Risk
Concentration Risk [Line Items]
Concentration risk (as a percent)		37.00%

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Derivative Instruments - Interest Rate Hedging and Weather Hedges (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Weather hedge, term	10 years
Not Designated as Hedging Instrument, Economic Hedge | Interest rate derivatives
Economic hedge	$ 84	$ 84

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Derivative Instruments - Summary of Derivative Activity (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Statement Impact of Derivative Activity [Abstract]
Gain (loss) on derivative instruments not designated as hedging instruments	$ 50	$ (60)	$ (292)
Derivative, Credit Risk Related Contingent Features [Abstract]
Aggregate fair value of derivatives with credit-risk-related contingent features in a liability position	14	20
Fair value of collateral already posted	7	7
Additional collateral required to be posted if credit risk contingent features triggered (1)	7	3
Gains (Losses) in Other Income (Expense) | Indexed debt securities derivative
Income Statement Impact of Derivative Activity [Abstract]
Gain (loss) on derivative instruments not designated as hedging instruments	50	(60)	$ (292)
Not Designated as Hedging Instrument
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]
Derivative Assets Fair Value	14	0
Derivative Liabilities Fair Value	917	983
Not Designated as Hedging Instrument | Current Assets | Natural gas derivatives
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]
Derivative Assets Fair Value	9	0
Derivative Liabilities Fair Value	0	0
Not Designated as Hedging Instrument | Other Noncurrent Assets | Natural gas derivatives
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]
Derivative Assets Fair Value	5	0
Derivative Liabilities Fair Value	0	0
Not Designated as Hedging Instrument | Current Liabilities | Natural gas derivatives
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]
Derivative Assets Fair Value	0	0
Derivative Liabilities Fair Value	0	3
Not Designated as Hedging Instrument | Current Liabilities | Interest rate derivatives
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]
Derivative Assets Fair Value	0	0
Derivative Liabilities Fair Value	2	0
Not Designated as Hedging Instrument | Current Liabilities | Indexed debt securities derivative
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]
Derivative Assets Fair Value	0	0
Derivative Liabilities Fair Value	903	953
Not Designated as Hedging Instrument | Other Noncurrent Liabilities | Natural gas derivatives
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]
Derivative Assets Fair Value	0	0
Derivative Liabilities Fair Value	0	7
Not Designated as Hedging Instrument | Other Noncurrent Liabilities | Interest rate derivatives
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]
Derivative Assets Fair Value	0	0
Derivative Liabilities Fair Value	$ 12	$ 20

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Fair Value Measurements - Schedule of Assets and Liabilities Measured On Recurring Basis (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Assets
Equity securities	$ 1,439	$ 873
Investments, including money market funds	42	43
Natural gas derivatives	14	0
Total assets	1,495	916
Liabilities
Total liabilities	917	983
Indexed debt securities derivative
Liabilities
Derivative Liability	903	953
Interest rate derivatives
Liabilities
Derivative Liability	14	20
Natural gas derivatives
Liabilities
Derivative Liability	0	10
Level 1
Assets
Equity securities	1,439	873
Investments, including money market funds	42	43
Natural gas derivatives	0	0
Total assets	1,481	916
Liabilities
Total liabilities	0	0
Level 1 | Indexed debt securities derivative
Liabilities
Derivative Liability	0	0
Level 1 | Interest rate derivatives
Liabilities
Derivative Liability	0	0
Level 1 | Natural gas derivatives
Liabilities
Derivative Liability	0	0
Level 2
Assets
Equity securities	0	0
Investments, including money market funds	0	0
Natural gas derivatives	14	0
Total assets	14	0
Liabilities
Total liabilities	917	983
Level 2 | Indexed debt securities derivative
Liabilities
Derivative Liability	903	953
Level 2 | Interest rate derivatives
Liabilities
Derivative Liability	14	20
Level 2 | Natural gas derivatives
Liabilities
Derivative Liability	0	10
Level 3
Assets
Equity securities	0	0
Investments, including money market funds	0	0
Natural gas derivatives	0	0
Total assets	0	0
Liabilities
Total liabilities	0	0
Level 3 | Indexed debt securities derivative
Liabilities
Derivative Liability	0	0
Level 3 | Interest rate derivatives
Liabilities
Derivative Liability	0	0
Level 3 | Natural gas derivatives
Liabilities
Derivative Liability	0	0
Houston Electric
Assets
Investments, including money market funds	27	26
Total assets	27	26
Houston Electric | Level 1
Assets
Investments, including money market funds	27	26
Total assets	27	26
Houston Electric | Level 2
Assets
Investments, including money market funds	0	0
Total assets	0	0
Houston Electric | Level 3
Assets
Investments, including money market funds	0	0
Total assets	0	0
CERC Corp
Assets
Investments, including money market funds	14	13
Total assets	14	13
CERC Corp | Level 1
Assets
Investments, including money market funds	14	13
Total assets	14	13
CERC Corp | Level 2
Assets
Investments, including money market funds	0	0
Total assets	0	0
CERC Corp | Level 3
Assets
Investments, including money market funds	0	0
Total assets	$ 0	$ 0

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Fair Value Measurements - Narrative (Details) - USD ($)		3 Months Ended			12 Months Ended
	Apr. 01, 2020	Sep. 30, 2021	Sep. 30, 2020	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Goodwill impairment		$ 0	$ 0		$ 0	$ 185,000,000	$ 0
Infrastructure Services Disposal Group
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Goodwill impairment						82,000,000
Energy Services Disposal Group
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Goodwill impairment						62,000,000
Indiana Electric Integrated
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Goodwill impairment				$ 185,000,000		185,000,000
Level 2 | Infrastructure Services Disposal Group
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of disposal group				864,000,000
Level 2 | Energy Services Disposal Group
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of disposal group				402,000,000
Enable Midstream Partners
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Reduction of dividend or distribution amount (as a percent)	50.00%
Equity method investment, impairment					0	1,541,000,000	0
Equity method investment, fair value				848,000,000
Goodwill impairment					$ 0	28,000,000	$ 86,000,000
Enable Midstream Partners | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity method investment, impairment						$ 1,541,000,000
Equity method investment, fair value				$ 848,000,000

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Fair Value Measurements - Schedule of Estimated Fair Value of Financial Instruments (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Carrying amount
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term debt, fair value	$ 16,086	$ 13,401
Carrying amount | Houston Electric
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term debt, fair value	5,495	5,019
Carrying amount | CERC Corp
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term debt, fair value	4,380	2,428
Fair value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term debt, fair value	17,385	15,226
Fair value | Houston Electric
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term debt, fair value	6,230	5,957
Fair value | CERC Corp
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term debt, fair value	$ 4,682	$ 2,855

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Unconsolidated Affiliate (CenterPoint Energy and CERC) - Narrative (Details) - USD ($) $ in Millions		12 Months Ended
	Feb. 16, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Mar. 31, 2020
Schedule of Equity Method Investments [Line Items]
Cash paid for merger	$ 5
Gain on Enable Merger		$ 681	$ 0	$ 0
OGE
Schedule of Equity Method Investments [Line Items]
Payment upon termination of partnership	$ 30
Enable Midstream Partners
Schedule of Equity Method Investments [Line Items]
Limited partner ownership interest	79.20%
Gain on Enable Merger		680	0	0
Equity method investment, fair value					$ 848
Equity method investment, impairment		$ 0	$ 1,541	$ 0
Enable Midstream Partners | Common Units
Schedule of Equity Method Investments [Line Items]
Gain on Enable Merger	$ 680
Enable Midstream Partners | Series A Preferred Units [Member]
Schedule of Equity Method Investments [Line Items]
Gain on Enable Merger	$ 1

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Unconsolidated Affiliate (CenterPoint Energy and CERC) - Distributions Received from Enable (Details) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($) $ / shares	Dec. 31, 2020 USD ($) $ / shares	Dec. 31, 2019 USD ($) $ / shares	Feb. 18, 2021
Schedule of Equity Method Investments [Line Items]
Distributions from unconsolidated affiliates	$ 155	$ 113	$ 261
Total distributions received from Enable	$ 189	$ 229	$ 339
Enable series A distribution rate (as a percent)	0.10			0.085
Enable Midstream Partners | Common Stock
Schedule of Equity Method Investments [Line Items]
Distribution per share of common units | $ / shares	$ 0.6610	$ 0.8263	$ 1.2970
Distributions from unconsolidated affiliates	$ 155	$ 193	$ 303
Enable Midstream Partners | Cumulative Preferred Stock
Schedule of Equity Method Investments [Line Items]
Distribution per share of Series A preferred units | $ / shares	$ 2.2965	$ 2.5000	$ 2.5000
Expected cash distribution on Enable's Series A Preferred Units	$ 34	$ 36	$ 36

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Unconsolidated Affiliate (CenterPoint Energy and CERC) - Schedules of Transactions with Enable (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
CERC Corp
Schedule of Equity Method Investments [Line Items]
Property, plant and equipment from parent	$ 0	$ 23	$ 0
Enable Midstream Partners | CERC Corp
Schedule of Equity Method Investments [Line Items]
Accounts Receivable, Related Parties		1
Natural Gas Expenses | Enable Midstream Partners
Schedule of Equity Method Investments [Line Items]
Property, plant and equipment from parent	85	86	86
Accounts payable for natural gas purchases from Enable		9
Natural Gas Expenses | Enable Midstream Partners | CERC Corp
Schedule of Equity Method Investments [Line Items]
Property, plant and equipment from parent	$ 85	86	$ 86
Accounts payable for natural gas purchases from Enable		9
Transitional Service | Enable Midstream Partners
Schedule of Equity Method Investments [Line Items]
Accounts Receivable, Related Parties		$ 1

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Unconsolidated Affiliate (CenterPoint Energy and CERC) - Summarized Consolidated Income (Loss) Information (Details) - USD ($)	3 Months Ended		12 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Schedule of Equity Method Investments [Line Items]
Total revenues			$ 8,352,000,000	$ 7,418,000,000	$ 7,564,000,000
Goodwill impairment	$ 0	$ 0	0	185,000,000	0
Income (loss) available to common shareholders - basic			1,391,000,000	(949,000,000)	674,000,000
Gain on Enable Merger			681,000,000	0	0
Equity in earnings (loss) of unconsolidated affiliates, net			339,000,000	(1,428,000,000)	230,000,000
Enable Midstream Partners
Schedule of Equity Method Investments [Line Items]
Total revenues			3,466,000,000	2,463,000,000	2,960,000,000
Cost of sales, excluding depreciation and amortization			1,959,000,000	965,000,000	1,279,000,000
Depreciation and amortization			382,000,000	420,000,000	433,000,000
Goodwill impairment			0	28,000,000	86,000,000
Operating income			634,000,000	465,000,000	569,000,000
Income (loss) available to common shareholders - basic			461,000,000	52,000,000	360,000,000
CenterPoint Energy’s interest			248,000,000	28,000,000	193,000,000
Basis difference amortization (2)			92,000,000	87,000,000	47,000,000
Loss on dilution, net of proportional basis difference recognition			(1,000,000)	(2,000,000)	(11,000,000)
Impairment of CenterPoint Energy’s equity method investment in Enable			0	(1,541,000,000)	0
Gain on Enable Merger			680,000,000	0	0
Equity in earnings (loss) of unconsolidated affiliates, net			$ 1,019,000,000	$ (1,428,000,000)	$ 229,000,000

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Unconsolidated Affiliate (CenterPoint Energy and CERC) - Summarized Balance Sheet Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 02, 2021
Schedule of Equity Method Investments [Line Items]
Current assets	$ 7,355	$ 2,920
Current liabilities	4,287	4,825
Total shareholders’ equity	9,415	8,348	$ 8,359
Enable Midstream Partners
Schedule of Equity Method Investments [Line Items]
Current assets		381		$ 594
Non-current assets		11,348		11,227
Current liabilities		582		1,254
Non-current liabilities		4,052		3,281
Non-controlling interest		26		26
Preferred equity		362		362
Accumulated other comprehensive loss		(6)		(1)
Total shareholders’ equity		6,713		6,899
CenterPoint Energy’s ownership interest in Enable partners’ equity		3,601		3,701
CenterPoint Energy’s basis difference (2)		(2,819)		(2,732)
Investment in unconsolidated affiliates		782		$ 969
Equity method investment, impairment	$ 0	$ 1,541	$ 0

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Equity Securities and Indexed Debt Securities (ZENS) (CenterPoint Energy) - Narrative (Details) - USD ($)				12 Months Ended
	Dec. 08, 2021	Dec. 02, 2021	May 17, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Feb. 16, 2021
Debt and Equity Securities, FV-NI [Line Items]
Merger exchange ratio							0.8595
Unrealized gains (loss) on equity securities				$ (52,000,000)	$ 49,000,000	$ 282,000,000
Target Annual Yield On Reference Shares				2.309%
ZENS-Related Securities				$ 1,439,000,000	871,000,000
AT&T
Debt and Equity Securities, FV-NI [Line Items]
Ownership (percentage)			71.00%
Shares expected to be received			0.24
Energy Transfer Common Units
Debt and Equity Securities, FV-NI [Line Items]
Units sold (in shares)	50,000,000
Enable Midstream Partners
Debt and Equity Securities, FV-NI [Line Items]
Merger exchange ratio		0.8595
Cash received		$ 5,000,000
Enable Midstream Partners | Enable Common Units
Debt and Equity Securities, FV-NI [Line Items]
Equity interests received (in shares)		233,856,623
Enable Midstream Partners | Energy Transfer Common Units
Debt and Equity Securities, FV-NI [Line Items]
Equity interests received (in shares)		200,999,768
Enable Midstream Partners | Energy Transfer Common Units | Series G Preferred Stock
Debt and Equity Securities, FV-NI [Line Items]
Liquidation preference		$ 385,000,000
Enable Midstream Partners | Energy Transfer Common Units | Series A Preferred Stock
Debt and Equity Securities, FV-NI [Line Items]
Equity interests received (in shares)		14,520,000
Equity interest received		$ 363,000,000
Enable Midstream Partners | Energy Transfer Common Units | Energy Transfer Series G Preferred Units
Debt and Equity Securities, FV-NI [Line Items]
Equity interests received (in shares)		384,780
ZENS-Related Securities
Debt and Equity Securities, FV-NI [Line Items]
ZENS-Related Securities				820,000,000	$ 871,000,000	$ 822,000,000
ZENS debt
Debt and Equity Securities, FV-NI [Line Items]
Principal amount of debt issued				1,000,000,000
Outstanding debt balance				$ 828,000,000
Subordinated note cash exchangeable percentage of fair value				95.00%
ZENS annual interest rate				2.00%
Contingent principal amount of indexed debt securities issued by CenterPoint Energy in September 1999 and outstanding and exchangeable				$ 38,000,000
The cash exchange amount from referenced shares per $1,000 face amount of individual notes				941
Face amount of each indexed debt security notes issued by CenterPoint Energy in September 1999				$ 1,000

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Equity Securities and Indexed Debt Securities (ZENS) (CenterPoint Energy) - Schedule of Sale of Equity Securities (Details) - Energy Transfer Common Units - USD ($) $ in Millions	Dec. 13, 2021	Dec. 10, 2021	Dec. 08, 2021
Debt and Equity Securities, FV-NI [Line Items]
Units sold (in shares)		100,000,000	50,000,000
Proceeds from sale of units		$ 745	$ 384
Energy Transfer Series G Preferred Units
Debt and Equity Securities, FV-NI [Line Items]
Units sold (in shares)	192,390
Proceeds from sale of units	$ 191

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Equity Securities and Indexed Debt Securities (ZENS) (CenterPoint Energy) - Schedule of Gain (Loss) On Equity Securities (CenterPoint Energy) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Debt and Equity Securities, FV-NI [Line Items]
Gain (loss) on equity securities	$ (172)	$ 49	$ 282
AT&T Common
Debt and Equity Securities, FV-NI [Line Items]
Gain (loss) on equity securities	(43)	(105)	108
Charter Common
Debt and Equity Securities, FV-NI [Line Items]
Gain (loss) on equity securities	(8)	154	174
Energy Transfer Common Units
Debt and Equity Securities, FV-NI [Line Items]
Gain (loss) on equity securities	(124)	0	0
Energy Transfer Series G Preferred Units
Debt and Equity Securities, FV-NI [Line Items]
Gain (loss) on equity securities	2	0	0
Other
Debt and Equity Securities, FV-NI [Line Items]
Gain (loss) on equity securities	$ 1	$ 0	$ 0

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Equity Securities and Indexed Debt Securities (ZENS) (CenterPoint Energy) - Schedule of Securities Classified as Trading (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Debt and Equity Securities, FV-NI [Line Items]
Carrying value	$ 1,439	$ 871
AT&T Common
Debt and Equity Securities, FV-NI [Line Items]
Balance of investment owned (in shares)	10,212,945	10,212,945
Carrying value	$ 251	$ 294
Charter Common
Debt and Equity Securities, FV-NI [Line Items]
Balance of investment owned (in shares)	872,503	872,503
Carrying value	$ 569	$ 577
Energy Transfer Common Units
Debt and Equity Securities, FV-NI [Line Items]
Balance of investment owned (in shares)	50,999,768	0
Carrying value	$ 420	$ 0
Energy Transfer Series G Preferred Units
Debt and Equity Securities, FV-NI [Line Items]
Balance of investment owned (in shares)	192,390	0
Carrying value	$ 196	$ 0
Other
Debt and Equity Securities, FV-NI [Line Items]
Carrying value	$ 3	$ 0

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Equity Securities and Indexed Debt Securities (ZENS) (CenterPoint Energy) - Schedule of Reference Shares (Details) - ZENS debt - shares	Dec. 31, 2021	Dec. 31, 2020
AT&T Common
Debt and Equity Securities, FV-NI [Line Items]
Number of shares referenced in exchangeable subordinated note	0.7185	0.7185
Charter Common
Debt and Equity Securities, FV-NI [Line Items]
Number of shares referenced in exchangeable subordinated note	0.061382	0.061382

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Equity Securities and Indexed Debt Securities (ZENS) (CenterPoint Energy) - Summarized Financial Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Debt and Equity Securities, FV-NI [Line Items]
Investment in equity securities	$ 1,439	$ 871
Indexed debt, net	10	15
Indexed debt securities derivative	903	953
Gain (loss) on Indexed Debt Securities	(50)	60	$ 292
Gain (loss) on equity securities	(172)	49	282
ZENS-Related Securities
Debt and Equity Securities, FV-NI [Line Items]
Investment in equity securities	820	871	822	$ 540
Accretion Of Debt Component Indexed Debt Securities	0	0	0
Interest Paid Debt Component Indexed Debt Securities	0	0	0
Distribution to ZENS holders	0	0	0
Gain (loss) on Indexed Debt Securities	0	0	0
Gain (loss) on equity securities	(51)	49	282
Debt Component Of ZENS
Debt and Equity Securities, FV-NI [Line Items]
Indexed debt, net	10	15	19	24
Accretion Of Debt Component Indexed Debt Securities	17	17	17
Interest Paid Debt Component Indexed Debt Securities	(17)	(16)	(17)
Distribution to ZENS holders	(5)	(5)	(5)
Gain (loss) on Indexed Debt Securities	0	0	0
Gain (loss) on equity securities	0	0	0
Derivative Component Of ZENS
Debt and Equity Securities, FV-NI [Line Items]
Indexed debt securities derivative	903	953	893	$ 601
Accretion Of Debt Component Indexed Debt Securities	0	0	0
Interest Paid Debt Component Indexed Debt Securities	0	0	0
Distribution to ZENS holders	0	0	0
Gain (loss) on Indexed Debt Securities	(50)	60	292
Gain (loss) on equity securities	$ 0	$ 0	$ 0

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Equity (CenterPoint Energy) (Details)					1 Months Ended	12 Months Ended
	May 06, 2020 USD ($) $ / shares shares	Apr. 01, 2020 $ / shares	Oct. 01, 2018 USD ($) $ / shares shares	Aug. 22, 2018 USD ($) $ / shares shares	Jul. 31, 2021 shares	Dec. 31, 2021 USD ($) day $ / shares shares	Dec. 31, 2020 USD ($) $ / shares shares	Dec. 31, 2019 USD ($) $ / shares shares	Jul. 20, 2021 shares	May 07, 2021 $ / shares
Cumulative preferred stock, outstanding (in shares) | shares						800,000	2,402,400	1,777,500
Preferred stock, value outstanding						$ 790,000,000	$ 2,363,000,000	$ 1,740,000,000
Income allocated to preferred shareholders						95,000,000	144,000,000	117,000,000
Amortization of beneficial conversion feature						0	32,000,000	0
Income allocated to preferred shareholders						95,000,000	176,000,000	117,000,000
Preferred stock liquidation preference						800	2,402
Proceeds from issuance of common stock						0	672,000,000	0
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance						(90,000,000)	(98,000,000)
Other comprehensive loss from unconsolidated affiliates						3,000,000	(2,000,000)
Prior service cost (2)						1,000,000	0
Actuarial losses (1)						7,000,000	7,000,000
Settlement (2)						4,000,000	0
Reclassification of deferred loss from cash flow hedges realized in net income						2,000,000	0
Reclassification of deferred loss from cash flow hedges to regulatory assets (3)						0	19,000,000
Tax benefit (expense)						(7,000,000)	(4,000,000)
Net current period other comprehensive income (loss)						26,000,000	8,000,000	10,000,000
Ending Balance						(64,000,000)	(90,000,000)	(98,000,000)
Chief Executive Officer
Shares authorized for issuance under long-term incentive plans (in shares) | shares									1,000,000
Chief Executive Officer | Restricted Stock Units (RSUs)
RSUs granted (in shares) | shares					400,000
Remaining shares available to be awarded (in shares) | shares					600,000
Enable Midstream Partners
Undistributed earnings from equity method investments included in retained earnings						0	0
Houston Electric
Amortization of beneficial conversion feature						0	0	0
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance						0	(15,000,000)
Other comprehensive loss from unconsolidated affiliates						0	0
Prior service cost (2)						0	0
Actuarial losses (1)						0	0
Settlement (2)						0	0
Reclassification of deferred loss from cash flow hedges realized in net income						0	0
Reclassification of deferred loss from cash flow hedges to regulatory assets (3)						0	19,000,000
Tax benefit (expense)						0	(4,000,000)
Net current period other comprehensive income (loss)						0	15,000,000	(1,000,000)
Ending Balance						0	0	(15,000,000)
CERC Corp
Amortization of beneficial conversion feature						0	0	0
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance						10,000,000	10,000,000
Other comprehensive loss from unconsolidated affiliates						0	0
Prior service cost (2)						1,000,000	1,000,000
Actuarial losses (1)						0	0
Settlement (2)						0	0
Reclassification of deferred loss from cash flow hedges realized in net income						0	0
Reclassification of deferred loss from cash flow hedges to regulatory assets (3)						0	0
Tax benefit (expense)						(1,000,000)	(1,000,000)
Net current period other comprehensive income (loss)						0	0	5,000,000
Ending Balance						10,000,000	10,000,000	$ 10,000,000
Pension and Other Postretirement Plans [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Remeasurement of pension and other postretirement plans						16,000,000	(12,000,000)
Pension and Other Postretirement Plans [Member] | Houston Electric
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Remeasurement of pension and other postretirement plans						0	0
Pension and Other Postretirement Plans [Member] | CERC Corp
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Remeasurement of pension and other postretirement plans						$ 0	$ 0
120 Days After Conclusion of Review or Appeal [Member]
Preferred stock redemption price (per share) | $ / shares						$ 1,020
Common Stock
Common stock, dividends declared per share (in dollars per share) | $ / shares						0.6600	$ 0.9000	$ 0.8625
Common stock, dividends paid per share (in dollars per share) | $ / shares						$ 0.6500	0.7400	0.8625
Stock issued (in shares) | shares	41,977,612
Common stock issued upon conversion (in shares) | shares						35,921,441
Shares authorized for issuance under long-term incentive plans (in shares) | shares						14,000,000
Common stock issued per share price | $ / shares	$ 16.08
Proceeds from issuance of common stock	$ 673,000,000
Common Stock | Previous Dividend or Distribution
Common stock, dividends declared per share (in dollars per share) | $ / shares		$ 0.2900
Common Stock | Revised Dividend or Distribution
Common stock, dividends declared per share (in dollars per share) | $ / shares		$ 0.1500
Series A Preferred Stock
Preferred stock, dividends declared per share (in dollars per share) | $ / shares						$ 61.2500	91.8750	30.6250
Preferred stock, dividends paid per share (in dollars per share) | $ / shares						61.2500	$ 61.2500	$ 30.6250
Preferred stock liquidation preference (per share) | $ / shares				$ 1,000		$ 1,000
Cumulative preferred stock, outstanding (in shares) | shares						800,000	800,000	800,000
Preferred stock, value outstanding						$ 790,000,000	$ 790,000,000	$ 790,000,000
Income allocated to preferred shareholders						$ 49,000,000	$ 49,000,000	$ 49,000,000
Stock issued (in shares) | shares				800,000
Proceeds from the issuance of convertible stock				$ 790,000,000
Preferred stock liquidation preference				$ 800,000,000
Preferred stock dividend rate						6.125%
Preferred stock redemption price (per share) | $ / shares						$ 1,000
Preferred stock convertible threshold (in days) | day						120
Series A Preferred Stock | London Interbank Offered Rate (LIBOR)
Preferred stock, basis spread (as a percent)						3.27%
Series A Preferred Stock | 120 Days After Conclusion of Review or Appeal [Member]
Preferred stock redemption percentage liquidation value						102.00%
Series B Preferred Stock
Preferred stock, dividends declared per share (in dollars per share) | $ / shares						$ 35.0000	$ 87.5000	$ 52.5000
Preferred stock, dividends paid per share (in dollars per share) | $ / shares						52.5000	$ 70.0000	$ 52.5000
Preferred stock liquidation preference (per share) | $ / shares			$ 1,000			$ 1,000
Cumulative preferred stock, outstanding (in shares) | shares						0	977,400	977,500
Preferred stock, value outstanding						$ 0	$ 950,000,000	$ 950,000,000
Income allocated to preferred shareholders						46,000,000	68,000,000	68,000,000
Income allocated to preferred shareholders						$ 95,000,000	$ 144,000,000	$ 117,000,000
Stock issued (in shares) | shares			2,550,000
Preferred stock liquidation preference			$ 978,000,000
Preferred stock dividend rate						7.00%
Conversion rate per share (in shares) | shares						36.7677
Preferred stock converted to common stock (in shares) | shares						977,400
Series C Preferred Stock
Preferred stock, dividends declared per share (in dollars per share) | $ / shares						$ 0	$ 0.6100	$ 0
Preferred stock, dividends paid per share (in dollars per share) | $ / shares						0.1600	$ 0.4500	$ 0
Preferred stock liquidation preference (per share) | $ / shares	$ 1,000					$ 1,000				$ 1,000
Cumulative preferred stock, outstanding (in shares) | shares						0	625,000	0
Preferred stock, value outstanding						$ 0	$ 623,000,000	$ 0
Income allocated to preferred shareholders						$ 0	$ 27,000,000	$ 0
Stock issued (in shares) | shares	725,000
Proceeds from the issuance of convertible stock	$ 724,000,000
Preferred stock converted to common stock (in shares) | shares						625,000
Common stock issued upon conversion (in shares) | shares						40,822,990
Conversion price (in dollars per share) | $ / shares										$ 15.31
Depositary Shares
Stock issued (in shares) | shares			19,550,000
Proceeds from the issuance of convertible stock			$ 950,000,000
Depositary share par value (in dollars per share) | $ / shares			$ 50

XML

Short-term Borrowings and Long-term Debt - Schedule of Debt (Details) $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($) day	Dec. 31, 2020 USD ($)
Long-term debt:
Unamortized Issuance Costs	$ (23)	$ (17)
Unamortized Discount (Premium), Net	(7)	(6)
Long-term Debt	15,558	11,521
Current debt	$ 545	1,919
Number of days until commercial paper maturity | day	60
CenterPoint Energy
Long-term debt:
Number of days until commercial paper maturity | day	60
CERC Corp
Long-term debt:
Unamortized Issuance Costs	$ (15)	(15)
Unamortized Discount (Premium), Net	(4)	(4)
Long-term Debt	4,380	2,428
Current debt	$ 7	24
Number of days until commercial paper maturity | day	30
Houston Electric
Long-term debt:
Unamortized Issuance Costs	$ (36)	(28)
Unamortized Discount (Premium), Net	(18)	(14)
Long-term Debt	4,975	4,406
Current debt	$ 520	613
VUHI
Long-term debt:
Number of days until commercial paper maturity | day	30
Subordinated Debt ZENS Member
Debt Instrument [Line Items]
Debt instrument interest rate (as a percent)	2.00%
Long-term debt:
Long-Term	$ 0	0
Current	10	15
CenterPoint Energy senior notes 0.68% to 4.25% due 2024 to 2049
Long-term debt:
Long-Term	3,650	2,700
Current	$ 0	500
CenterPoint Energy senior notes 0.68% to 4.25% due 2024 to 2049 | Minimum | CenterPoint Energy
Debt Instrument [Line Items]
Debt instrument interest rate (as a percent)	0.68%
CenterPoint Energy senior notes 0.68% to 4.25% due 2024 to 2049 | Maximum | CenterPoint Energy
Debt Instrument [Line Items]
Debt instrument interest rate (as a percent)	4.25%
Variable rate term loan
Long-term debt:
Long-Term	$ 0	0
Current	$ 0	700
Variable rate term loan | CenterPoint Energy
Debt Instrument [Line Items]
Debt instrument interest rate (as a percent)	0.865%
Bonds Pollution Control Due
Long-term debt:
Long-Term	$ 68	68
Current	$ 0	0
Bonds Pollution Control Due | CenterPoint Energy
Debt Instrument [Line Items]
Debt instrument interest rate (as a percent)	5.125%
Commercial paper
Long-term debt:
Long-Term	$ 1,400	1,078
Current	0	0
Commercial paper | CERC Corp
Long-term debt:
Long-Term	899	347
Commercial paper | VUHI
Long-term debt:
Long-Term	350	92
Current	0	0
VUHI Senior Notes | CERC Corp
Long-term debt:
Long-Term	3,500	2,100
VUHI Senior Notes | VUHI
Long-term debt:
Long-Term	377	377
Current	$ 0	55
VUHI Senior Notes | Minimum | CERC Corp
Debt Instrument [Line Items]
Debt instrument interest rate (as a percent)	0.62%
VUHI Senior Notes | Minimum | VUHI
Debt Instrument [Line Items]
Debt instrument interest rate (as a percent)	3.72%
VUHI Senior Notes | Maximum | CERC Corp
Debt Instrument [Line Items]
Debt instrument interest rate (as a percent)	6.625%
VUHI Senior Notes | Maximum | VUHI
Debt Instrument [Line Items]
Debt instrument interest rate (as a percent)	6.10%
Other Debt
Long-term debt:
Long-Term	$ 4	6
Current	$ 3	12
First mortgage bonds | Houston Electric
Debt Instrument [Line Items]
Debt instrument interest rate (as a percent)	9.15%
Long-term debt:
Long-Term	$ 0	0
Current	0	102
General mortgage bonds | Houston Electric
Long-term debt:
Long-Term	4,712	3,912
Current	$ 300	300
General mortgage bonds | Minimum | Houston Electric
Debt Instrument [Line Items]
Debt instrument interest rate (as a percent)	2.25%
General mortgage bonds | Maximum | Houston Electric
Debt Instrument [Line Items]
Debt instrument interest rate (as a percent)	6.95%
System restoration bonds | Houston Electric
Debt Instrument [Line Items]
Debt instrument interest rate (as a percent)	4.243%
Long-term debt:
Long-Term	$ 0	69
Current	70	66
Transition bonds | Houston Electric
Long-term debt:
Long-Term	317	467
Current	$ 150	145
Transition bonds | Maximum | Houston Electric
Debt Instrument [Line Items]
Debt instrument interest rate (as a percent)	3.028%
Senior Notes | IGC
Long-term debt:
Long-Term	$ 96	96
Current	$ 0	0
Senior Notes | Minimum | IGC
Debt Instrument [Line Items]
Debt instrument interest rate (as a percent)	6.34%
Senior Notes | Maximum | IGC
Debt Instrument [Line Items]
Debt instrument interest rate (as a percent)	7.08%
SIGECO first mortgage bonds
Long-term debt:
Long-Term	$ 288	293
Current	$ 5	$ 0
SIGECO first mortgage bonds | Minimum | SIGECO
Debt Instrument [Line Items]
Debt instrument interest rate (as a percent)	0.82%
SIGECO first mortgage bonds | Maximum | SIGECO
Debt Instrument [Line Items]
Debt instrument interest rate (as a percent)	6.72%
Third Party AMAs | Disposal Group, Held-for-sale or Disposed of by Sale, Not Discontinued Operations | Arkansas and Oklahoma Natural Gas Businesses
Long-term debt:
Outstanding obligations related to third party AMAs	$ 36
Third Party AMAs | CERC Corp | Disposal Group, Held-for-sale or Disposed of by Sale, Not Discontinued Operations | Arkansas and Oklahoma Natural Gas Businesses
Long-term debt:
Outstanding obligations related to third party AMAs	$ 36

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Short-term Borrowings and Long-term Debt - Debt Transactions (Details) $ in Millions	1 Months Ended	12 Months Ended
	Feb. 28, 2021 USD ($) day	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Debt Instrument [Line Items]
Proceeds from long-term debt		$ 4,493	$ 799	$ 2,916
CERC Corp
Debt Instrument [Line Items]
Proceeds from long-term debt		1,699	500	0
CERC Corp | Bridge Loan
Debt Instrument [Line Items]
Financing commitments	$ 1,700
Financing commitment term | day	364
Houston Electric
Debt Instrument [Line Items]
Proceeds from long-term debt		1,096	$ 299	$ 696
Senior Notes | CERC Corp
Debt Instrument [Line Items]
Principal amount of debt issued		1,700
General Mortgage Bonds | Houston Electric
Debt Instrument [Line Items]
Principal amount of debt issued		1,100
Senior Note and GMBs
Debt Instrument [Line Items]
Principal amount of debt issued		4,500
CERC Senior notes .70% due 2023 | Senior Notes | CERC Corp
Debt Instrument [Line Items]
Principal amount of debt issued		$ 700
Debt instrument interest rate (as a percent)		0.70%
CERC Senior Notes Floating Rate due 2023 | Senior Notes | CERC Corp
Debt Instrument [Line Items]
Principal amount of debt issued		$ 1,000
CERC Senior Notes Floating Rate due 2023 | Senior Notes | CERC Corp | London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Basis spread on LIBOR (as a percent)		0.50%
General Mortgage Bonds Due 2031 | General Mortgage Bonds | Houston Electric
Debt Instrument [Line Items]
Principal amount of debt issued		$ 400
Debt instrument interest rate (as a percent)		2.35%
General Mortgage Bonds Due 2051 | General Mortgage Bonds | Houston Electric
Debt Instrument [Line Items]
Principal amount of debt issued		$ 700
Debt instrument interest rate (as a percent)		3.35%
CNP Senior Note 1.45% due 2026 | Senior Notes
Debt Instrument [Line Items]
Principal amount of debt issued		$ 500
Debt instrument interest rate (as a percent)		1.45%
CNP Senior Note 2.65% due 2031 | Senior Notes
Debt Instrument [Line Items]
Principal amount of debt issued		$ 500
Debt instrument interest rate (as a percent)		2.65%
CNP Floating Senior Note | Senior Notes
Debt Instrument [Line Items]
Principal amount of debt issued		$ 700
CNP Floating Senior Note | Senior Notes | Secured Overnight Financing Rate
Debt Instrument [Line Items]
Basis spread on LIBOR (as a percent)		0.65%
CERC Senior notes .70% and Floating Rate due 2023 | Senior Notes | CERC Corp
Debt Instrument [Line Items]
Proceeds from long-term debt	$ 1,690
General Mortgage Bonds Due 2031 and 2051 | General Mortgage Bonds | Houston Electric
Debt Instrument [Line Items]
Proceeds from long-term debt		$ 1,080
CNP Senior Notes 1.45%, 2.65%, and Floating | Senior Notes
Debt Instrument [Line Items]
Proceeds from long-term debt		$ 1,690

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Short-term Borrowings and Long-term Debt - Debt Repayments and Redemptions (Details) - USD ($)				1 Months Ended	12 Months Ended
	Dec. 30, 2021	Jun. 01, 2021	May 01, 2021	Dec. 31, 2020	Dec. 31, 2021	Jan. 15, 2021
Debt Instrument [Line Items]
Principal payments					$ 211,000,000
Senior Notes | CERC Corp
Debt Instrument [Line Items]
Principal amount of debt issued					1,700,000,000
CNP Senior Note 3.85%
Debt Instrument [Line Items]
Outstanding debt balance				$ 500,000,000
Long-term Debt
Debt Instrument [Line Items]
Principal amount of debt issued					2,707,000,000
Long-term Debt | CERC Corp
Debt Instrument [Line Items]
Principal amount of debt issued					300,000,000
Long-term Debt | Houston Electric
Debt Instrument [Line Items]
Principal amount of debt issued					402,000,000
3.55% Senior Notes Due December 2021 | Long-term Debt | CERC Corp
Debt Instrument [Line Items]
Debt instrument, redemption price (as a percent)	100.00%
3.55% Senior Notes Due December 2021 | Long-term Debt | Senior Notes | CERC Corp
Debt Instrument [Line Items]
Principal amount of debt issued					$ 300,000,000
Debt instrument interest rate (as a percent)					3.55%
9.15% First Mortgage Bonds due 2021 | Long-term Debt | First Mortgage Bonds | Houston Electric
Debt Instrument [Line Items]
Principal amount of debt issued					$ 102,000,000
Debt instrument interest rate (as a percent)					9.15%
General Mortgage Bonds Due 2021 | Long-term Debt | Houston Electric
Debt Instrument [Line Items]
Principal amount of debt issued					$ 300,000,000
Debt instrument interest rate (as a percent)					1.85%
Debt instrument, redemption price (as a percent)			100.00%
CNP Senior Note 3.85% | Long-term Debt
Debt Instrument [Line Items]
Debt instrument, redemption price (as a percent)				100.00%
CNP Senior Note 3.85% | Long-term Debt | Senior Notes
Debt Instrument [Line Items]
Principal amount of debt issued					$ 250,000,000	$ 250,000,000
Debt instrument interest rate (as a percent)					3.85%
Variable rate term loan | Long-term Debt
Debt Instrument [Line Items]
Principal amount of debt issued					$ 700,000,000
Debt instrument interest rate (as a percent)					0.76%
Debt instrument, redemption price (as a percent)				100.00%
CNP Senior Note 3.60% | Long-term Debt
Debt Instrument [Line Items]
Debt instrument, redemption price (as a percent)		100.00%
CNP Senior Note 3.60% | Long-term Debt | Senior Notes
Debt Instrument [Line Items]
Principal amount of debt issued					$ 500,000,000
Debt instrument interest rate (as a percent)					3.60%
Senior Notes 4.67% | Long-term Debt | Senior Notes
Debt Instrument [Line Items]
Principal amount of debt issued					$ 55,000,000
Debt instrument interest rate (as a percent)					4.67%
CNP Senior Notes 2.50% | Long-term Debt
Debt Instrument [Line Items]
Debt instrument, redemption price (as a percent)	100.00%
CNP Senior Notes 2.50% | Long-term Debt | Senior Notes
Debt Instrument [Line Items]
Principal amount of debt issued					$ 500,000,000
Debt instrument interest rate (as a percent)					2.50%

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Short-term Borrowings and Long-term Debt - Narrative (Details) - USD ($)		12 Months Ended
	Jan. 14, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Feb. 28, 2021	Jan. 31, 2021
Debt Instrument [Line Items]
Gain (loss) on early extinguishment of debt		$ 53,000,000	$ 2,000,000	$ 0
Size of credit facility		4,000,000,000
Third Party AMAs | Arkansas and Oklahoma Natural Gas Businesses | Disposal Group, Held-for-sale or Disposed of by Sale, Not Discontinued Operations
Debt Instrument [Line Items]
Outstanding obligations related to third party AMAs		36,000,000
Letter of Credit
Debt Instrument [Line Items]
Loans		11,000,000	11,000,000
Parent Company
Debt Instrument [Line Items]
Size of credit facility		2,400,000,000			$ 2,400,000,000	$ 3,300,000,000
Parent Company | Letter of Credit
Debt Instrument [Line Items]
Loans		11,000,000	11,000,000
Vectren | Maximum | Letter of Credit
Debt Instrument [Line Items]
Loans		20,000,000
SIGECO | Letter of Credit
Debt Instrument [Line Items]
Loans		1,000,000
CERC Corp
Debt Instrument [Line Items]
Gain (loss) on early extinguishment of debt		11,000,000	2,000,000
Size of credit facility		900,000,000
CERC Corp | Third Party AMAs | Arkansas and Oklahoma Natural Gas Businesses | Disposal Group, Held-for-sale or Disposed of by Sale, Not Discontinued Operations
Debt Instrument [Line Items]
Outstanding obligations related to third party AMAs		36,000,000
CERC Corp | Letter of Credit
Debt Instrument [Line Items]
Loans		0	0
CERC Corp | Senior Notes | CERC Senior Notes Floating Rate due 2023 | Subsequent Event
Debt Instrument [Line Items]
Amount redeemed	$ 425,000,000
Debt instrument, redemption price (as a percent)	100.00%
Houston Electric
Debt Instrument [Line Items]
Size of credit facility		300,000,000
Additional first mortgage bonds and general mortgage bonds that could be issued		4,600,000,000
Houston Electric | Letter of Credit
Debt Instrument [Line Items]
Loans		0	$ 0
Houston Electric | Bonds General Mortgage Due Range 1
Debt Instrument [Line Items]
Secured Debt		4,800,000,000
Houston Electric | Bonds Pollution Control Due
Debt Instrument [Line Items]
Secured Debt		$ 68,000,000
Percentage of property additions		70.00%
SIGECO
Debt Instrument [Line Items]
Percentage of property additions		60.00%
Additional debt issuable		$ 1,400,000,000
Long-term Debt, Gross		$ 293,000,000

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Short-term Borrowings and Long-term Debt - Schedule of Revolving Credit Facilities (Details)	12 Months Ended
	Dec. 31, 2021 USD ($)	Feb. 28, 2021 USD ($)	Jan. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Debt Instrument [Line Items]
Size of credit facility	$ 4,000,000,000
Houston Electric
Debt Instrument [Line Items]
Size of credit facility	300,000,000
CERC Corp
Debt Instrument [Line Items]
Size of credit facility	$ 900,000,000
Line of Credit | Houston Electric
Debt Instrument [Line Items]
Percentage on limitation of debt to total capitalization under covenant (in hundredths)	67.50%
Ratio of indebtedness to net capital	0.562
Line of Credit | CERC Corp
Debt Instrument [Line Items]
Percentage on limitation of debt to total capitalization under covenant (in hundredths)	65.00%
Ratio of indebtedness to net capital	0.606
Line of Credit | London Interbank Offered Rate (LIBOR) | Houston Electric
Debt Instrument [Line Items]
Basis spread on LIBOR (as a percent)	1.375%
Line of Credit | London Interbank Offered Rate (LIBOR) | CERC Corp
Debt Instrument [Line Items]
Basis spread on LIBOR (as a percent)	1.25%
Revolving Credit Facility
Debt Instrument [Line Items]
Loans	$ 0			$ 0
Revolving Credit Facility | Houston Electric
Debt Instrument [Line Items]
Loans	0			0
Revolving Credit Facility | CERC Corp
Debt Instrument [Line Items]
Loans	0			0
Letter of Credit
Debt Instrument [Line Items]
Loans	11,000,000			11,000,000
Letter of Credit | Houston Electric
Debt Instrument [Line Items]
Loans	0			0
Letter of Credit | CERC Corp
Debt Instrument [Line Items]
Loans	0			0
Commercial paper
Debt Instrument [Line Items]
Loans	2,649,000,000			1,517,000,000
Commercial paper | Houston Electric
Debt Instrument [Line Items]
Loans	$ 0			$ 0
Weighted average interest rate (as a percent)	0.00%			0.00%
Commercial paper | CERC Corp
Debt Instrument [Line Items]
Loans	$ 899,000,000			$ 347,000,000
Weighted average interest rate (as a percent)	0.26%			0.23%
Parent Company
Debt Instrument [Line Items]
Size of credit facility	$ 2,400,000,000	$ 2,400,000,000	$ 3,300,000,000
Parent Company | Line of Credit
Debt Instrument [Line Items]
Percentage on limitation of debt to total capitalization under covenant (in hundredths)	65.00%
Ratio of indebtedness to net capital	0.618
Percentage on limitation of debt to total capitalization under covenant amended (in hundredths)	70.00%
Expected restoration costs	$ 100,000,000
Consecutive period for system restoration costs to exceed $100 million (in months)	12
Parent Company | Line of Credit | London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Basis spread on LIBOR (as a percent)	1.625%
Parent Company | Revolving Credit Facility
Debt Instrument [Line Items]
Loans	$ 0			$ 0
Parent Company | Letter of Credit
Debt Instrument [Line Items]
Loans	11,000,000			11,000,000
Parent Company | Commercial paper
Debt Instrument [Line Items]
Loans	$ 1,400,000,000			$ 1,078,000,000
Weighted average interest rate (as a percent)	0.34%			0.23%
VUHI
Debt Instrument [Line Items]
Size of credit facility	$ 400,000,000
Letters of credit swing line sublimit	$ 20,000,000
VUHI | Line of Credit
Debt Instrument [Line Items]
Percentage on limitation of debt to total capitalization under covenant (in hundredths)	65.00%
Ratio of indebtedness to net capital	0.489
VUHI | Line of Credit | London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Basis spread on LIBOR (as a percent)	1.25%
VUHI | Revolving Credit Facility
Debt Instrument [Line Items]
Loans	$ 0			$ 0
VUHI | Letter of Credit
Debt Instrument [Line Items]
Loans	0			0
VUHI | Commercial paper
Debt Instrument [Line Items]
Loans	$ 350,000,000			$ 92,000,000
Weighted average interest rate (as a percent)	0.21%			0.22%

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Short-term Borrowings and Long-term Debt - Schedule of Maturities (Details) $ in Millions	Dec. 31, 2021 USD ($)
Houston Electric
Debt Instrument [Line Items]
2022	$ 520
2023	356
2024	161
2025	0
2026	300
CERC Corp
Debt Instrument [Line Items]
2022	0
2023	1,700
2024	899
2025	0
2026	0
Long term Debt Excluding ZENS
Debt Instrument [Line Items]
2022	524
2023	2,113
2024	4,283
2025	51
2026	860
Securitization Bonds
Debt Instrument [Line Items]
2022	220
2023	156
2024	161
2025	0
2026	$ 0

XML

Income Taxes - Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Deferred income tax expense (benefit):
Total deferred expense (benefit)	$ 213	$ (429)	$ 69
Total income tax expense (benefit)	110	80	30
Houston Electric
Current income tax expense (benefit):
Federal	22	76	84
State	22	19	20
Total current expense (benefit)	44	95	104
Deferred income tax expense (benefit):
Federal	31	(42)	(24)
State	1	0	0
Total deferred expense (benefit)	32	(42)	(24)
Total income tax expense (benefit)	76	53	80
CERC Corp
Deferred income tax expense (benefit):
Total deferred expense (benefit)	77	91	7
Total income tax expense (benefit)	51	97	(3)
Continuing Operations
Current income tax expense (benefit):
Federal	0	(36)	(6)
State	(28)	32	13
Total current expense (benefit)	(28)	(4)	7
Deferred income tax expense (benefit):
Federal	78	63	48
State	60	21	(25)
Total deferred expense (benefit)	138	84	23
Total income tax expense (benefit)	110	80	30
Continuing Operations | CERC Corp
Current income tax expense (benefit):
State	(26)	4	5
Total current expense (benefit)	(26)	4	5
Deferred income tax expense (benefit):
Federal	49	26	26
State	28	67	(34)
Total deferred expense (benefit)	77	93	(8)
Total income tax expense (benefit)	51	97	(3)
Discontinued Operations
Current income tax expense (benefit):
Federal	91	152	54
State	35	28	8
Total current expense (benefit)	126	180	62
Deferred income tax expense (benefit):
Federal	127	(422)	26
State	(52)	(91)	20
Total deferred expense (benefit)	75	(513)	46
Total income tax expense (benefit)	201	(333)	108
Discontinued Operations | CERC Corp
Current income tax expense (benefit):
State	0	0	2
Total current expense (benefit)	0	0	2
Deferred income tax expense (benefit):
Federal	0	0	13
State	0	(2)	2
Total deferred expense (benefit)	0	(2)	15
Total income tax expense (benefit)	$ 0	$ (2)	$ 17

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Income Taxes - Schedule of Income Tax Reconciliation (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income tax reconciliation [Abstract]
Income before income taxes	$ 778	$ 563	$ 545
Increase (decrease) in tax expense resulting from:
State law change, net of federal income tax	(39)
State valuation allowance, net of federal income tax		(4)
Excess deferred income tax amortization	(76)	(55)
Total income tax expense (benefit)	$ 110	$ 80	$ 30
Houston Electric
Other Tax Carryforward [Line Items]
Effective tax rate (as a percent)	17.00%	14.00%	18.00%
Income tax reconciliation [Abstract]
Income before income taxes	$ 457	$ 387	$ 436
Federal statutory income tax rate (as a percent)	21.00%	21.00%	21.00%
Expected federal income tax expense	$ 96	$ 81	$ 92
Increase (decrease) in tax expense resulting from:
State income tax expense, net of federal income tax	18	15	16
Excess deferred income tax amortization	(41)	(42)	(21)
Other, net	3	(1)	(7)
Total	(20)	(28)	(12)
Total income tax expense (benefit)	$ 76	$ 53	$ 80
Effective tax rate (as a percent)	17.00%	14.00%	18.00%
CERC Corp
Income tax reconciliation [Abstract]
Income before income taxes	$ 305	$ 244	$ 186
Increase (decrease) in tax expense resulting from:
State valuation allowance, net of federal income tax		(4)
Excess deferred income tax amortization	(16)	(18)
Total income tax expense (benefit)	$ 51	97	$ (3)
CERC Corp | State and Local Jurisdiction
Increase (decrease) in tax expense resulting from:
Reduction in income taxes due to tax reform		$ 4
Continuing Operations
Other Tax Carryforward [Line Items]
Effective tax rate (as a percent)	14.00%	14.00%	6.00%
Income tax reconciliation [Abstract]
Income before income taxes	$ 778	$ 563	$ 545
Federal statutory income tax rate (as a percent)	21.00%	21.00%	21.00%
Expected federal income tax expense	$ 163	$ 118	$ 114
Increase (decrease) in tax expense resulting from:
State income tax expense, net of federal income tax	63	40	27
State law change, net of federal income tax	23	0	33
State valuation allowance, net of federal income tax	15	(1)	4
Excess deferred income tax amortization	(75)	(76)	(55)
Goodwill impairment	0	39	0
Net operating loss carryback	0	(37)	0
Other, net	(3)	(5)	(19)
Total	(53)	(38)	(84)
Total income tax expense (benefit)	$ 110	$ 80	$ 30
Effective tax rate (as a percent)	14.00%	14.00%	6.00%
Operating loss carryback, CARES Act	$ 37
Continuing Operations | CERC Corp
Other Tax Carryforward [Line Items]
Effective tax rate (as a percent)	17.00%	40.00%	(2.00%)
Income tax reconciliation [Abstract]
Income before income taxes	$ 305	$ 244	$ 186
Federal statutory income tax rate (as a percent)	21.00%	21.00%	21.00%
Expected federal income tax expense	$ 64	$ 51	$ 39
Increase (decrease) in tax expense resulting from:
State income tax expense, net of federal income tax	33	55	(15)
State law change, net of federal income tax	15	0	4
State valuation allowance, net of federal income tax	15	(1)	4
Excess deferred income tax amortization	16	16	18
Other, net	0	6	(1)
Total	(13)	46	(42)
Total income tax expense (benefit)	$ 51	$ 97	$ (3)
Effective tax rate (as a percent)	17.00%	40.00%	(2.00%)
Discontinued Operations
Other Tax Carryforward [Line Items]
Effective tax rate (as a percent)	20.00%	21.00%	28.00%
Income tax reconciliation [Abstract]
Income before income taxes	$ 1,019	$ (1,589)	$ 384
Federal statutory income tax rate (as a percent)	21.00%	21.00%	21.00%
Expected federal income tax expense	$ 214	$ (334)	$ 81
Increase (decrease) in tax expense resulting from:
State income tax expense, net of federal income tax	14	(60)	9
State law change, net of federal income tax	27	0	(12)
Goodwill impairment	0	25	8
Tax impact of sale of Energy Services and Infrastructure Services Disposal Groups	0	30	0
Other, net	0	6	(2)
Total	(13)	1	27
Total income tax expense (benefit)	$ 201	$ (333)	$ 108
Effective tax rate (as a percent)	20.00%	21.00%	28.00%
Discontinued Operations | CERC Corp
Other Tax Carryforward [Line Items]
Effective tax rate (as a percent)	0.00%	3.00%	43.00%
Income tax reconciliation [Abstract]
Income (loss) before income taxes	$ 0	$ (68)	$ 40
Federal statutory income tax rate (as a percent)	0.00%	21.00%	21.00%
Expected federal income tax expense	$ 0	$ (14)	$ 8
Increase (decrease) in tax expense resulting from:
State income tax expense, net of federal income tax	0	(2)	3
Goodwill impairment	0	10	8
Other, net	0	4	(2)
Total	0	12	9
Total income tax expense (benefit)	$ 0	$ (2)	$ 17
Effective tax rate (as a percent)	0.00%	3.00%	43.00%

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Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Deferred tax assets:
Benefits and compensation	$ 120	$ 141
Regulatory liabilities	396	435
Loss and credit carryforwards	76	103
Asset retirement obligations	130	152
Indexed debt securities derivative	36	47
Investment in unconsolidated affiliates	1	0
Other	50	52
Valuation allowance	(11)	(26)
Total deferred tax assets	798	904
Deferred tax liabilities:
Property, plant and equipment	2,912	2,790
Investment in unconsolidated affiliates	0	624
Regulatory assets	741	325
Investment in ZENS and equity securities related to ZENS	693	649
Investment in equity securities	195	0
Other	161	119
Total deferred tax liabilities	4,702	4,507
Net deferred tax liabilities	3,904	3,603
Houston Electric
Deferred tax assets:
Benefits and compensation	13	17
Regulatory liabilities	175	201
Asset retirement obligations	9	9
Other	10	9
Total deferred tax assets	207	236
Deferred tax liabilities:
Property, plant and equipment	1,215	1,159
Regulatory assets	114	118
Total deferred tax liabilities	1,329	1,277
Net deferred tax liabilities	1,122	1,041
CERC Corp
Deferred tax assets:
Benefits and compensation	25	28
Regulatory liabilities	139	147
Loss and credit carryforwards	571	143
Asset retirement obligations	118	140
Other	26	26
Valuation allowance	0	(15)
Total deferred tax assets	879	469
Deferred tax liabilities:
Property, plant and equipment	948	916
Regulatory assets	514	53
Other	97	84
Total deferred tax liabilities	1,559	1,053
Net deferred tax liabilities	$ 680	$ 584

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Income Taxes - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Business Acquisition [Line Items]
Deferred tax assets, valuation allowance	$ 11	$ 26
Release of valuation allowance	15
Accrued penalties and interest	4
Unrecognized tax benefits that would impact effective tax rate	2
Accrued penalties and interest not included	1
Net uncertain tax liability released	6
Reduction due to lapse of applicable statute of limitations	3
CERC Corp
Business Acquisition [Line Items]
Deferred tax assets, valuation allowance	0	$ 15
Release of valuation allowance	15
State and Local Jurisdiction
Business Acquisition [Line Items]
Operating loss carryforwards	1,300
Deferred tax assets tax credit carryforwards	7
State and Local Jurisdiction | CERC Corp
Business Acquisition [Line Items]
Operating loss carryforwards	972
Deferred tax assets tax credit carryforwards	7
Domestic Tax Authority | CERC Corp
Business Acquisition [Line Items]
Deferred tax assets tax credit carryforwards	$ 2,300

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Income Taxes - Schedule of Unrecognized Tax Benefits (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Reconciliation of Unrecognized Tax Benefits, excluding interest and penalties:
Balance, beginning of year	$ 7	$ 8
Increases related to tax positions of prior years	0	3
Decreases related to tax positions of prior years	(4)	(4)
Balance, end of year	$ 3	$ 7

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Commitments and Contingencies - Narrative (Details) $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($) ashPond gasManufacturingAndStorageSite	Dec. 31, 2020 USD ($)	Oct. 27, 2021 MW	Feb. 09, 2021 MW	Dec. 31, 2019 USD ($)	Jul. 31, 2018 lawsuit
Purchase Obligations
Number of surety bond obligations outstanding	53
Performance guarantee obligations outstanding face amount	$ 569
Percentage of work yet to be completed on projects with open surety bonds	30.00%
Number of warranty obligations outstanding	35
Warranty obligations outstanding face amount	$ 550
Energy savings commitments not guaranteed	1,200
Maximum exposure amount	$ 514
Number of coal ash ponds owned | ashPond	3
Asset retirement obligation	$ 741	$ 787			$ 539
F.B. Culley
Purchase Obligations
Number of coal ash ponds owned | ashPond	2
A.B. Brown
Purchase Obligations
Number of coal ash ponds owned | ashPond	1
Energy Services Disposal Group
Purchase Obligations
Guarantor obligations	$ 0	0
Posey Solar
Purchase Obligations
Solar array generating capacity (in Megawatts) | MW			200	300
Indiana Gas Service Territory
Purchase Obligations
Environmental remediation number of sites with potential remedial responsibility | gasManufacturingAndStorageSite	26
SIGECO
Purchase Obligations
Environmental remediation number of sites with potential remedial responsibility | gasManufacturingAndStorageSite	5
Vectren Proxy Statement Materially Incomplete Related to Merger
Purchase Obligations
Number of pending claims | lawsuit						7
CERC Corp
Purchase Obligations
Asset retirement obligation	$ 490	571			$ 325
CERC Corp | Shell Energy Solutions America
Purchase Obligations
Maximum payment receivable	$ 40
CERC Corp | Energy Services Disposal Group
Purchase Obligations
Exposure period after closing	90 days
Exposure period until fee increases	3 months
Guarantor obligations	$ 0	0
Indiana Electric
Purchase Obligations
Asset retirement obligation	90
Indiana Electric | Minimum
Purchase Obligations
Estimated capital expenditure to clean ash ponds	60
Indiana Electric | Maximum
Purchase Obligations
Estimated capital expenditure to clean ash ponds	$ 80
Energy Services Disposal Group | CERC Corp
Purchase Obligations
Annualized fee received for retained CES obligation guarantees	3.00%
Quarterly increase of fee received for retained CES guarantee exposure	1.00%
Estimated remaining exposure		$ 23

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Commitments and Contingencies - Purchase Obligations (Details) $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($)
Natural Gas and Coal Supply
Purchase Obligations
2022	$ 560
2023	444
2024	378
2025	318
2026	254
2027 and beyond	1,586
Natural Gas and Coal Supply | CERC Corp
Purchase Obligations
2022	322
2023	253
2024	247
2025	206
2026	176
2027 and beyond	1,282
Technology Hardware and Software
Purchase Obligations
2022	66
2023	500
2024	178
2025	30
2026	29
2027 and beyond	$ 596
Technology Hardware and Software | Minimum | Capital Addition Purchase Commitments
Purchase Obligations
Purchase obligation term	15 years
Technology Hardware and Software | Maximum | Capital Addition Purchase Commitments
Purchase Obligations
Purchase obligation term	25 years

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Commitments and Contingencies - Estimated Range of Possible Remediation Costs (Details) - Minnesota and Indiana Gas Service Territories $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($)
Loss Contingencies [Line Items]
Liability recorded for remediation of Minnesota sites	$ 16
Minimum
Loss Contingencies [Line Items]
Site Contingency Loss Exposure	$ 11
Years to resolve contingency	5 years
Maximum
Loss Contingencies [Line Items]
Site Contingency Loss Exposure	$ 58
Years to resolve contingency	50 years
CERC Corp
Loss Contingencies [Line Items]
Liability recorded for remediation of Minnesota sites	$ 11
CERC Corp | Minimum
Loss Contingencies [Line Items]
Site Contingency Loss Exposure	$ 8
Years to resolve contingency	30 years
CERC Corp | Maximum
Loss Contingencies [Line Items]
Site Contingency Loss Exposure	$ 36
Years to resolve contingency	50 years

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Earnings Per Share (CenterPoint Energy) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Recognition of beneficial conversion feature	$ 0	$ 32	$ 0
Numerator:
Income (loss) from continuing operations	668	483	515
Less: Preferred stock dividend requirement	95	176	117
Less: Amortization of beneficial conversion feature	0	32	0
Less: Undistributed earnings allocated to preferred shareholders	0	0	0
Income (loss) available to common shareholders from continuing operations - basic	573	307	398
Income (loss) available to common shareholders from continuing operations - diluted	573	307	398
Income (loss) available to common shareholders from discontinued operations - basic	818	(1,256)	276
Income (loss) available to common shareholders from discontinued operations - diluted	818	(1,256)	276
Income (loss) available to common shareholders - basic	1,391	(949)	674
Income (loss) available to common shareholders - diluted	$ 1,391	$ (949)	$ 674
Denominator:
Weighted average common shares outstanding - basic	592,933	531,031	502,050
Weighted average common shares outstanding - diluted	609,938	531,031	505,157
Earnings (loss) per common share:
Basic earnings per common share - continuing operations (in dollars per share)	$ 0.97	$ 0.58	$ 0.79
Basic earnings (loss) per common share - discontinued operations (in dollars per share)	1.38	(2.37)	0.55
Basic Earnings (Loss) Per Common Share (in dollars per share)	2.35	(1.79)	1.34
Earnings Per Share, Diluted [Abstract]
Diluted earnings per common share - continuing operations (in dollars per share)	0.94	0.58	0.79
Diluted earnings (loss) per common share - discontinued operations (in dollars per share)	1.34	(2.37)	0.54
Diluted Earnings (Loss) Per Common Share (in dollars per share)	$ 2.28	$ (1.79)	$ 1.33
Restricted stock
Denominator:
Restricted stock	5,181	0	3,107
Anti-dilutive Incremental Shares Excluded from Denominator for Diluted Earnings (Loss) Computation:
Amount of antidilutive securities excluded from computation of earnings per share	0	3,690	0
Series B Preferred Stock
Numerator:
Less: Preferred stock dividend requirement	$ 95	$ 144	$ 117
Anti-dilutive Incremental Shares Excluded from Denominator for Diluted Earnings (Loss) Computation:
Amount of antidilutive securities excluded from computation of earnings per share	23,906	35,922	34,354
Series C Preferred Stock
Denominator:
Preferred Stock	11,824	0	0
Anti-dilutive Incremental Shares Excluded from Denominator for Diluted Earnings (Loss) Computation:
Amount of antidilutive securities excluded from computation of earnings per share	0	23,807	0

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Reportable Segments - Financial Data (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Operating revenues	$ 8,352	$ 7,418	$ 7,564
Depreciation and Amortization	1,316	1,189	1,225
Interest Expense	(508)	(501)	(528)
Income Tax Expense (Benefit)	110	80	30
Net income (loss)	1,486	(773)	791
Total Assets	37,679	33,471
Expenditures for Long-Lived Assets	3,399	2,536	2,587
Total Regulatory Assets	3,716	2,112
Interest income from securitization bonds	1	1	5
Continuing Operations
Segment Reporting Information [Line Items]
Operating revenues	8,352	7,418	7,564
Depreciation and Amortization	1,316	1,189	1,225
Interest income	3	4	22
Interest Expense	(529)	(529)	(567)
Income Tax Expense (Benefit)	110	80	30
Income (loss) from continuing operations	668	483	515
Total Assets	35,341	32,689
Expenditures for Long-Lived Assets	3,228	2,515	2,508
Discontinued Operations
Segment Reporting Information [Line Items]
Income Tax Expense (Benefit)	201	(333)	108
Income (loss) from discontinued operations, net	818	(1,256)	276
Total Assets	2,338	782
Expenditures for Long-Lived Assets	171	21	79
Electric
Segment Reporting Information [Line Items]
Operating revenues	3,763	3,470	3,519
Natural Gas
Segment Reporting Information [Line Items]
Operating revenues	4,336	3,631	3,750
Corporate and Other
Segment Reporting Information [Line Items]
Operating revenues	253	317	295
Operating Segments | Electric
Segment Reporting Information [Line Items]
Operating revenues	3,763	3,470	3,519
Depreciation and Amortization	756	670	746
Interest income	0	3	27
Interest Expense	(226)	(220)	(225)
Income Tax Expense (Benefit)	95	72	96
Net income (loss)	475	230	419
Total Assets	16,439	14,516
Expenditures for Long-Lived Assets	2,008	1,281	1,216
Operating Segments | Natural Gas
Segment Reporting Information [Line Items]
Operating revenues	4,336	3,631	3,750
Depreciation and Amortization	502	473	439
Interest income	1	8	6
Interest Expense	(141)	(153)	(144)
Income Tax Expense (Benefit)	80	125	2
Net income (loss)	403	278	251
Total Assets	16,153	15,041
Expenditures for Long-Lived Assets	1,178	1,139	1,098
Operating Segments | Corporate and Other
Segment Reporting Information [Line Items]
Operating revenues	253	317	295
Depreciation and Amortization	58	46	40
Interest income	118	104	134
Interest Expense	(278)	(267)	(343)
Income Tax Expense (Benefit)	(65)	(117)	(68)
Net income (loss)	(210)	(25)	(155)
Total Assets	2,749	3,132
Expenditures for Long-Lived Assets	42	95	194
Intersegment Eliminations
Segment Reporting Information [Line Items]
Operating revenues	0	0	0
Depreciation and Amortization	0	0	0
Interest income	(116)	(111)	(145)
Interest Expense	116	111	145
Income Tax Expense (Benefit)	0	0	0
Net income (loss)	0	0	$ 0
Benefit obligations | Corporate and Other
Segment Reporting Information [Line Items]
Total Regulatory Assets	$ 427	$ 540

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Reportable Segments - Revenues From Major External Customers (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Total revenues	$ 8,352	$ 7,418	$ 7,564
Houston Electric
Segment Reporting Information [Line Items]
Total revenues	3,134	2,911	2,990
Affiliates of NRG | Houston Electric
Segment Reporting Information [Line Items]
Total revenues	905	749	727
Affiliates of Vistra Energy Corp. | Houston Electric
Segment Reporting Information [Line Items]
Total revenues	$ 410	$ 404	$ 263

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Reportable Segments - Revenues by Products and Services (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Operating revenues	$ 8,352	$ 7,418	$ 7,564
CenterPoint Energy
Segment Reporting Information [Line Items]
Operating revenues	8,352	7,418	7,564
CenterPoint Energy | Electric delivery
Segment Reporting Information [Line Items]
Operating revenues	3,158	2,941	3,019
CenterPoint Energy | Retail electric sales
Segment Reporting Information [Line Items]
Operating revenues	559	515	486
CenterPoint Energy | Wholesale electric sales
Segment Reporting Information [Line Items]
Operating revenues	46	14	14
CenterPoint Energy | Retail gas sales
Segment Reporting Information [Line Items]
Operating revenues	4,157	3,462	3,563
CenterPoint Energy | Gas transportation and processing
Segment Reporting Information [Line Items]
Operating revenues	12	15	33
CenterPoint Energy | Energy products and services
Segment Reporting Information [Line Items]
Operating revenues	420	471	449
Houston Electric
Segment Reporting Information [Line Items]
Operating revenues	3,134	2,911	2,990
Houston Electric | Electric delivery
Segment Reporting Information [Line Items]
Operating revenues	3,134	2,911	2,990
Houston Electric | Retail electric sales
Segment Reporting Information [Line Items]
Operating revenues	0	0	0
Houston Electric | Wholesale electric sales
Segment Reporting Information [Line Items]
Operating revenues	0	0	0
Houston Electric | Retail gas sales
Segment Reporting Information [Line Items]
Operating revenues	0	0	0
Houston Electric | Gas transportation and processing
Segment Reporting Information [Line Items]
Operating revenues	0	0	0
Houston Electric | Energy products and services
Segment Reporting Information [Line Items]
Operating revenues	0	0	0
CERC Corp
Segment Reporting Information [Line Items]
Operating revenues	3,248	2,763	3,018
CERC Corp | Electric delivery
Segment Reporting Information [Line Items]
Operating revenues	0	0	0
CERC Corp | Retail electric sales
Segment Reporting Information [Line Items]
Operating revenues	0	0	0
CERC Corp | Wholesale electric sales
Segment Reporting Information [Line Items]
Operating revenues	0	0	0
CERC Corp | Retail gas sales
Segment Reporting Information [Line Items]
Operating revenues	3,069	2,594	2,831
CERC Corp | Gas transportation and processing
Segment Reporting Information [Line Items]
Operating revenues	12	15	33
CERC Corp | Energy products and services
Segment Reporting Information [Line Items]
Operating revenues	$ 167	$ 154	$ 154

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Supplemental Disclosure of Cash Flow Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Condensed Financial Statements, Captions [Line Items]
Interest, net of capitalized interest	$ 489	$ 471	$ 436
Income taxes (refunds), net	(46)	143	155
Accounts payable related to capital expenditures	370	153	236
ROU assets obtained in exchange for lease liabilities	2	15	44
Recognition of beneficial conversion feature	0	32	0
Amortization of beneficial conversion feature	0	(32)	0
Capital distribution associated with the Internal Spin	0	0	0
Cash and cash equivalents	230	147
Total cash, cash equivalents and restricted cash shown in Statements of Consolidated Cash Flows	254	167	271	$ 4,278
Energy Transfer Common Units
Condensed Financial Statements, Captions [Line Items]
Fair value of units received	1,672	0	0
Energy Transfer Series G Preferred Units
Condensed Financial Statements, Captions [Line Items]
Fair value of units received	385	0	0
Prepaid Expenses and Other Current Assets
Condensed Financial Statements, Captions [Line Items]
Restricted cash	24	20
Houston Electric
Condensed Financial Statements, Captions [Line Items]
Interest, net of capitalized interest	208	201	229
Income taxes (refunds), net	20	65	87
Accounts payable related to capital expenditures	261	102	117
Fair value of units received	0	0	0
ROU assets obtained in exchange for lease liabilities	0	1	1
Recognition of beneficial conversion feature	0	0	0
Amortization of beneficial conversion feature	0	0	0
Capital distribution associated with the Internal Spin	0	0	0
Cash and cash equivalents	214	139
Total cash, cash equivalents and restricted cash shown in Statements of Consolidated Cash Flows	233	154	235	370
Houston Electric | Energy Transfer Common Units
Condensed Financial Statements, Captions [Line Items]
Fair value of units received	0	0	0
Houston Electric | Energy Transfer Series G Preferred Units
Condensed Financial Statements, Captions [Line Items]
Fair value of units received	0	0	0
Houston Electric | Prepaid Expenses and Other Current Assets
Condensed Financial Statements, Captions [Line Items]
Restricted cash	19	15
CERC Corp
Condensed Financial Statements, Captions [Line Items]
Interest, net of capitalized interest	99	114	109
Income taxes (refunds), net	4	4	7
Accounts payable related to capital expenditures	103	69	86
Fair value of units received	0	0	28
ROU assets obtained in exchange for lease liabilities	0	5	29
Recognition of beneficial conversion feature	0	0	0
Amortization of beneficial conversion feature	0	0	0
Capital distribution associated with the Internal Spin	0	0	28
Cash and cash equivalents	8	1
Total cash, cash equivalents and restricted cash shown in Statements of Consolidated Cash Flows	8	1	2	$ 25
CERC Corp | Energy Transfer Common Units
Condensed Financial Statements, Captions [Line Items]
Fair value of units received	0	0	0
CERC Corp | Energy Transfer Series G Preferred Units
Condensed Financial Statements, Captions [Line Items]
Fair value of units received	0	0	$ 0
CERC Corp | Prepaid Expenses and Other Current Assets
Condensed Financial Statements, Captions [Line Items]
Restricted cash	0	0
Bond Companies | Houston Electric
Condensed Financial Statements, Captions [Line Items]
Cash and cash equivalents	$ 92	$ 139

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Related Party Transactions (Houston Electric and CERC) - Schedule of Money Pool Investments (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Houston Electric | Investments [Member]
Related Party Transaction [Line Items]
Weighted average interest rate	0.34%	0.24%
CERC Corp | Investments [Member]
Related Party Transaction [Line Items]
Weighted average interest rate	0.34%	0.24%
Accounts and notes receivable (payable) - affiliate companies | Houston Electric
Related Party Transaction [Line Items]
Money pool investments (borrowings)	$ (512)	$ (8)
Accounts and notes receivable (payable) - affiliate companies | CERC Corp
Related Party Transaction [Line Items]
Money pool investments (borrowings)	$ (224)	$ 0

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Related Party Transactions (Houston Electric and CERC) - Schedule of Affiliated-Related Net Interest Income (Expense) (Details) - Other Nonoperating Income (Expense) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Houston Electric
Related Party Transaction [Line Items]
Interest income (expense), net	$ 0	$ 0	$ 18
CERC Corp
Related Party Transaction [Line Items]
Interest income (expense), net	$ 0	$ 0	$ 4

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Related Party Transactions (Houston Electric and CERC) - Schedule of Amounts Charged For Services (Details) - Operation And Maintenance Expense - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Houston Electric
Related Party Transaction [Line Items]
Net affiliate service charges (billings)	$ (7)	$ (16)	$ (8)
CERC Corp
Related Party Transaction [Line Items]
Net affiliate service charges (billings)	7	16	8
CenterPoint Energy | Houston Electric
Related Party Transaction [Line Items]
Corporate service charges	189	197	177
CenterPoint Energy | CERC Corp
Related Party Transaction [Line Items]
Corporate service charges	$ 216	$ 212	$ 141

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Related Party Transactions (Houston Electric and CERC) - Schedule of Transactions (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Houston Electric
Related Party Transaction [Line Items]
Cash dividends paid to parent	$ 0	$ 551	$ 376
Capital distribution	0	0	0
Property, plant and equipment from parent	0	36	0
Houston Electric | Discontinued Operations
Related Party Transaction [Line Items]
Capital distribution	0	0	0
Houston Electric | Additional Paid-in-Capital
Related Party Transaction [Line Items]
Cash contribution from parent	130	62	590
CERC Corp
Related Party Transaction [Line Items]
Cash dividends paid to parent	0	80	120
Capital distribution	0	0	28
Property, plant and equipment from parent	0	23	0
CERC Corp | Discontinued Operations
Related Party Transaction [Line Items]
Capital distribution	0	286	0
CERC Corp | Additional Paid-in-Capital
Related Party Transaction [Line Items]
Cash contribution from parent	$ 180	$ 217	$ 129

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Leases (Details) $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($) MW	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Lease, Cost [Abstract]
Operating lease cost	$ 8	$ 9
Short-term lease cost	119	14
Total lease cost	127	23
Operating Leases, Lease Income [Abstract]
Operating lease income	6	5
Variable lease income	1	1
Total lease income	7	6
Assets and Liabilities, Lessee [Abstract]
Operating ROU assets	22	31
Finance ROU assets	179	0
Total leased assets	201	31
Current operating lease liability	6	6
Non-current operating lease liability	17	26
Total leased liabilities	$ 23	$ 32
Weighted-average remaining lease term (in years) - operating leases	6 years 2 months 12 days	6 years
Weighted-average discount rate - operating leases (as a percent)	3.10%	3.14%
Weighted-average remaining lease term (in years) - finance leases	7 years 6 months
Weighted-average discount rate - finance leases (as a percent)	2.21%	0.00%
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Other non-current assets	Other non-current assets
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Property, Plant and Equipment, net	Property, Plant and Equipment, net
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	Other	Other
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Other	Other
Operating Lease Liabilities, Payments Due [Abstract]
2022	$ 6
2023	5
2024	3
2025	3
2026	3
2027 and beyond	5
Total lease payments	25
Less: Interest	2
Present value of lease liabilities	23	$ 32
Lessor, Operating Lease, Payments, Fiscal Year Maturity [Abstract]
Finance lease, not yet commenced, amount	$ 496
Lease not yet commenced, amount of megawatts | MW	380
2022	$ 5
2023	5
2024	5
2025	6
2026	6
2027 and beyond	142
Total lease payments to be received	169
Other Information Related to Leases [Abstract]
Operating cash flows from operating leases included in the measurement of lease liabilities	6
Financing cash flows from finance leases included in the measurement of lease liabilities	179	0	$ 0
Houston Electric
Lease Disclosure [Line Items]
Expenses associated with short-term lease	20
Recovery of deferred costs sought	$ 200
Number of megawatts of mobile generation | MW	505
Number of megawatts of mobile generation delivered | MW	125
Right to terminate, lease costs refunded (as a percent)	75.00%
Lease, Cost [Abstract]
Operating lease cost	$ 1	0
Short-term lease cost	118	12
Total lease cost	119	12
Operating Leases, Lease Income [Abstract]
Operating lease income	1	0
Variable lease income	0	0
Total lease income	1	0
Assets and Liabilities, Lessee [Abstract]
Operating ROU assets	1	1
Finance ROU assets	179	0
Total leased assets	180	1
Current operating lease liability	1	0
Non-current operating lease liability	0	1
Total leased liabilities	$ 1	$ 1
Weighted-average remaining lease term (in years) - operating leases	4 years 1 month 6 days	4 years
Weighted-average discount rate - operating leases (as a percent)	2.86%	2.59%
Weighted-average remaining lease term (in years) - finance leases	7 years 6 months
Weighted-average discount rate - finance leases (as a percent)	2.21%	0.00%
Operating Lease Liabilities, Payments Due [Abstract]
2022	$ 1
2023	0
2024	0
2025	0
2026	0
2027 and beyond	0
Total lease payments	1
Less: Interest	0
Present value of lease liabilities	1	$ 1
Lessor, Operating Lease, Payments, Fiscal Year Maturity [Abstract]
2022	0
2023	0
2024	0
2025	0
2026	0
2027 and beyond	0
Total lease payments to be received	0
Other Information Related to Leases [Abstract]
Operating cash flows from operating leases included in the measurement of lease liabilities	1
Financing cash flows from finance leases included in the measurement of lease liabilities	179	0	$ 0
CERC Corp
Lease, Cost [Abstract]
Operating lease cost	4	5
Short-term lease cost	0	0
Total lease cost	4	5
Operating Leases, Lease Income [Abstract]
Operating lease income	3	2
Variable lease income	0	0
Total lease income	3	2
Assets and Liabilities, Lessee [Abstract]
Operating ROU assets	12	19
Finance ROU assets	0	0
Total leased assets	12	19
Current operating lease liability	2	3
Non-current operating lease liability	11	18
Total leased liabilities	$ 13	$ 21
Weighted-average remaining lease term (in years) - operating leases	6 years 6 months	7 years 6 months
Weighted-average discount rate - operating leases (as a percent)	3.20%	3.36%
Weighted-average discount rate - finance leases (as a percent)	0.00%	0.00%
Operating Lease Liabilities, Payments Due [Abstract]
2022	$ 3
2023	2
2024	2
2025	2
2026	2
2027 and beyond	3
Total lease payments	14
Less: Interest	1
Present value of lease liabilities	13	$ 21
Lessor, Operating Lease, Payments, Fiscal Year Maturity [Abstract]
2022	3
2023	3
2024	3
2025	3
2026	4
2027 and beyond	136
Total lease payments to be received	152
Other Information Related to Leases [Abstract]
Operating cash flows from operating leases included in the measurement of lease liabilities	3
Financing cash flows from finance leases included in the measurement of lease liabilities	$ 0

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Subsequent Events (Details) - CERC Corp - USD ($) $ in Millions		12 Months Ended
	Feb. 11, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Subsequent Event [Line Items]
Payments of Dividends		$ 0	$ 80	$ 120
Subsequent Event
Subsequent Event [Line Items]
Payments of Dividends	$ 720