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Significant Accounting Policies (Policies)

12 Months Ended

Dec. 31, 2023

Principles of Consolidation and Basis of Presentation

TEC maintains its accounts in accordance with recognized policies prescribed or permitted by the FPSC and the FERC. These policies conform with U.S. GAAP in all material respects. The use of estimates is inherent in the preparation of financial statements in accordance with U.S. GAAP. Actual results could differ from these estimates.

TEC is a wholly owned subsidiary of TECO Energy, Inc. TEC contains the electric division, and prior to January 1, 2023, also included the natural gas division. Prior to January 1, 2023, intercompany balances and transactions within the divisions have been eliminated in consolidation. TECO Energy is a wholly owned indirect subsidiary of Emera. Therefore, TEC is an indirect, wholly owned subsidiary of Emera.

Cash Equivalents

Cash equivalents are highly liquid, high-quality investments purchased with an original maturity of three months or less. The carrying amount of cash equivalents approximated fair market value because of the short maturity of these instruments.

Property, Plant and Equipment

Property, plant and equipment is stated at original cost, which includes labor, material, applicable taxes, overhead and AFUDC. Concurrent with a planned major maintenance outage or with new construction, the cost of adding or replacing retirement units-of-property is capitalized in conformity with the regulations of FERC and FPSC. The cost of maintenance, repairs and replacement of minor items of property is expensed as incurred.

As a regulated utility, TEC must file depreciation and dismantlement studies periodically and receive approval from the FPSC before implementing new depreciation rates. Included in approved depreciation rates is either an implicit net salvage factor or a cost of removal factor, expressed as a percentage. The net salvage factor is principally comprised of two components—a salvage factor and a cost of removal or dismantlement factor. TEC uses current cost of removal or dismantlement factors as part of the estimation method to approximate the amount of cost of removal in accumulated depreciation. The original cost of utility plant retired or otherwise disposed of and the cost of removal or dismantlement, less salvage value, is charged to accumulated depreciation and the accumulated cost of removal reserve reported as a regulatory liability, respectively.

For other property dispositions, the cost and accumulated depreciation are removed from the balance sheet and a gain or loss is recognized.

Property, plant and equipment consisted of the following assets:


(millions)	Estimated Useful Lives	December 31, 2023			December 31, 2022
Electric generation	10-60 years	$	6,732		$	6,300
Electric transmission	10-75 years		1,182			1,109
Electric distribution	10-60 years		3,609			3,296
Gas transmission and distribution	15-75 years	0				2,567
General plant and other	4-60 years		997			1,020
Total cost			12,520			14,292
Less Tampa Electric accumulated depreciation			(3,443	)		(3,158	)
Less PGS accumulated depreciation		0				(687	)
Tampa Electric construction work in progress			1,151			949
PGS construction work in progress		0				248
Total property, plant and equipment, net		$	10,228		$	11,644

Depreciation

The provision for total regulated utility plant in service, expressed as a percentage of the original cost of depreciable property, was 3.5%, 3.2% and 3.5% for 2023, 2022 and 2021, respectively. Construction work in progress is not depreciated until the asset is placed in service. TEC's total depreciation expense for the years ended December 31, 2023, 2022 and 2021 was $390 million, $402 million and $408 million, respectively. For the year ended December 31, 2023, 2022 and 2021, Tampa Electric's depreciation expense was $390 million, $359 million and $357 million, respectively.

TEC computes depreciation and amortization using the following methods:

•

the group remaining life method, approved by the FPSC, is applied to the average investment, adjusted for anticipated costs of removal less salvage, in functional classes of depreciable property;

•

the amortizable life method, approved by the FPSC, is applied to the net book value to date over the remaining life of those assets not classified as depreciable property above.

Allowance for Funds Used During Construction

AFUDC is a non-cash credit to income with a corresponding charge to utility plant which represents the cost of borrowed funds and a reasonable return on other funds used for construction. The rates used to calculate AFUDC are revised periodically to reflect significant changes in cost of capital. In 2023, 2022 and 2021, Tampa Electric’s rate was 6.07%, 6.00% and 6.46%, respectively. PGS’s rate used to calculate its AFUDC in 2022 and 2021 was 6.00%. Total AFUDC for the years ended December 31, 2023, 2022 and 2021 was $25 million, $46 million and $66 million, respectively.

Inventory

TEC values materials, supplies and fossil fuel inventory (natural gas and coal) using a weighted-average cost method. These materials, supplies and fuel inventories are carried at the lower of weighted-average cost or net realizable value.

Regulatory Assets and Liabilities

Tampa Electric and PGS are subject to accounting guidance for the effects of certain types of regulation (see Note 3).

Deferred Income Taxes

TEC uses the asset and liability method in the measurement of deferred income taxes. Under the asset and liability method, the temporary differences between the financial statement and tax bases of assets and liabilities are reported as deferred taxes measured at enacted tax rates. Tampa Electric and PGS are regulated, and their books and records reflect approved regulatory treatment, including certain adjustments to accumulated deferred income taxes and the establishment of a corresponding regulatory tax liability reflecting the amount payable to customers through future rates. See Note 4 for additional details.

Investment and Production Tax Credits (PTCs)

ITCs have been recorded as deferred credits and are being amortized as reductions to income tax expense as required by regulatory practices. TEC recognizes a reduction of income tax expense for PTCs earned by its eligible solar assets. The PTCs are based on per kwH rate prescribed by applicable federal statutes.

Stranded Tax Effects in Accumulated Other Comprehensive Income

TEC utilizes a portfolio approach to determine the timing and extent to which stranded income tax effects from items that were previously recorded in accumulated other comprehensive income are released.

Revenue Recognition

Regulated electric revenue

Electric revenues, including energy charges, demand charges, basic facilities charges and applicable clauses and riders, are recognized when obligations under the terms of a contract are satisfied. This occurs primarily when electricity is delivered to customers over time as the customer simultaneously receives and consumes the benefits of the electricity. Electric revenues are recognized on an accrual basis and include billed and unbilled revenues. Revenues related to the sale of electricity are recognized at rates approved by the respective regulator and recorded based on metered usage, which occur on a periodic, systematic basis, generally monthly. At the end of each reporting period, the electricity delivered to customers, but not billed, is estimated and the corresponding unbilled revenue is recognized. Tampa Electric’s estimate of unbilled revenue at the end of the reporting period is calculated by estimating the number of MWH delivered to customers at the established rate expected to prevail in the upcoming billing cycle. This estimate includes assumptions as to the pattern of energy demand, timing of meter reads and line losses.

Regulated gas revenue

Prior to January 1, 2023, gas revenues, including energy charges, demand charges, basic facilities charges and applicable clauses and riders, were recognized when obligations under the terms of a contract were satisfied. This occurred primarily when gas was delivered to customers over time as the customer simultaneously received and consumed the benefits of the gas. Gas revenues were recognized on an accrual basis and included billed and unbilled revenues. Revenues related to the distribution and sale of gas were recognized at rates approved by the regulator and recorded based on metered usage, which occurred on a periodic, systematic basis, generally monthly. At the end of each reporting period, the gas delivered to customers, but not billed, was estimated and the corresponding unbilled revenue was recognized. PGS’s estimate of unbilled revenue at the end of the reporting period was calculated by estimating the number of therms delivered to customers at the established rate expected to prevail in the upcoming billing cycle. This estimate included assumptions as to the pattern of usage, weather, and inter-period changes to customer classes.

Other

See Accounting for Franchise Fees and Gross Receipts below for the accounting for gross receipts taxes. Sales and other taxes TEC collects concurrent with revenue-producing activities are excluded from revenue.

Revenues and Cost Recovery

Revenues include amounts resulting from cost-recovery clauses which provide for monthly billing charges to reflect increases or decreases in fuel, purchased power, conservation, environmental and storm protection plan costs for Tampa Electric and, prior to January 1, 2023, purchased gas, interstate pipeline capacity, replacement of cast iron/bare steel pipe and conservation costs for PGS. These adjustment factors are based on costs incurred and projected for a specific recovery period. Any over- or under-recovery of costs plus an interest factor are taken into account in the process of setting adjustment factors for subsequent recovery periods. Over-recoveries of costs are recorded as regulatory liabilities, and under-recoveries of costs are recorded as regulatory assets.

Certain other costs incurred by the regulated utilities are allowed to be recovered from customers through prices approved in the regulatory process. These costs are recognized as the associated revenues are recognized.

Receivables and Allowance for Credit Losses

Receivables on the Consolidated Balance Sheets include receivables from contracts with customers, which consist of services to residential, commercial, industrial and other customers, totaling $284 million and $295 million as of December 31, 2023 and 2022, respectively. An allowance for credit losses is established based on TEC’s collection experience and reasonable and supportable forecasts that affect the collectibility of the reported amount. Circumstances that impact estimates of credit losses include, but are not limited to, customer credit issues, fuel prices, customer deposits and general economic conditions. Accounts are reserved in the allowance or written off once they are deemed to be uncollectible.

TEC accrues base revenues for services rendered but unbilled to provide for matching of revenues and expenses (see Note 3). As of December 31, 2023 and 2022, unbilled revenues of $63 million and $82 million, respectively, are included in the “Receivables” line item on TEC’s Consolidated Balance Sheets.

Accounting for Franchise Fees and Gross Receipts Taxes

TEC is allowed to recover certain costs incurred on a dollar-for-dollar basis from customers through rates approved by the FPSC. The amounts included in customers’ bills for franchise fees and gross receipt taxes are included as revenues on the Consolidated Statements of Income. Franchise fees and gross receipt taxes payable are included as an expense on the Consolidated Statements of Income in “Taxes, other than income”. These amounts totaled $139 million, $145 million and $129 million for the years ended December 31, 2023, 2022 and 2021, respectively.

Deferred Charges and Other Assets

Deferred charges and other assets consist primarily of pension assets net of accrued pension liabilities (see Note 5) and right-of-use assets related to operating leases (see Note 13).

Deferred Credits and Other Liabilities

Other deferred credits primarily include accrued other postretirement benefits (see Note 5), MGP environmental remediation liability prior to January 1, 2023 (see Note 8), asset retirement obligations (see Note 12), lease liabilities (see Note 13) and a reserve for auto, general and workers’ compensation liability claims.

TECO Energy and its subsidiaries, including TEC, have a self-insurance program supplemented by excess insurance coverage for the cost of claims whose ultimate value exceeds the company’s retention amounts. TEC estimates its liabilities for auto, general and workers’ compensation using discount rates mandated by statute or otherwise deemed appropriate for the circumstances. Discount rates used in estimating these other self-insurance liabilities at December 31, 2023 and 2022 ranged from 4.00% to 5.99% and 4.00% to 5.78%, respectively.

Derivatives and Hedging Activities

TEC had $1 million and $5 million derivative assets as of December 31, 2023 and 2022, respectively, and $0 and $1 million derivative liabilities as of December 31, 2023 and December 31, 2022, respectively.

TEC’s physical contracts qualify for the NPNS exception to derivative accounting rules, provided they meet certain criteria. Generally, NPNS applies if TEC deems the counterparty creditworthy, if the counterparty owns or controls resources within the proximity to allow for physical delivery of the commodity, if TEC intends to receive physical delivery and if the transaction is reasonable in relation to TEC’s business needs. As of December 31, 2023 and 2022, all of TEC’s physical contracts qualified for the NPNS exception, which was elected.

TEC classifies cash inflows and outflows related to derivative and hedging instruments in the appropriate cash flow sections associated with the item being hedged. For natural gas, the cash inflows and outflows are included in the operating section of the Consolidated Statements of Cash Flows. For interest rate swaps that settle coincident with the debt issuance, the cash inflows and outflows are treated as premiums or discounts and included in the financing section of the Consolidated Statements of Cash Flows.

Separation of PGS from TEC

PGS became an operating division of TEC in 1997 when TECO Energy purchased PGS and merged that corporation into TEC. Since then, PGS has operated as a stand-alone regulated utility, including having its own tariff and its own books and records.

On January 1, 2023, TEC transferred the assets and liabilities of its PGS division into a separate corporation called Peoples Gas System, Inc. (PGSI) pursuant to a Contribution Agreement. This new corporation is a wholly owned subsidiary of a newly formed gas operations holding company, TECO Gas Operations, Inc., a wholly owned subsidiary of TECO Energy. On January 1, 2023, the assets, liabilities, and equity that had been recorded in the books of PGS were transferred from TEC to the newly formed PGSI at book value in a tax-free transaction. PGSI issued 100 shares of common stock to TEC related to the transfer of PGS, which were subsequently distributed to TECO Energy, Inc. and then contributed to TECO Gas Operations, Inc. This is a transaction between entities under common control; therefore, TEC did not recognize a gain or loss on the transaction. TEC is not required to recast its prior period financial statements and disclosures to exclude PGS prior to January 1, 2023. The TEC Consolidated Statement of Cash Flows for the year ended December 31, 2023 does not include the non-cash impact of separating the PGS assets, liabilities and equity from TEC on January 1, 2023 and excludes PGS’s opening cash balance.

The impact of the separation of PGS from TEC on the Consolidated Statements of Capital for the year ended December 31, 2023 was $992 million, which represents the net assets of PGS transferred as of January 1, 2023. TEC recorded $121 million to

retained earnings, which was the retained earnings of PGS as of January 1, 2023, and the remainder of $871 million was recorded to additional paid in capital, which is presented with common stock.

Prior to the separation, as a division of TEC, PGS had received an allocation of outstanding unsecured notes and outstanding short-term borrowings issued by TEC. The obligations related to these combined borrowings were reflected in an affiliate loan agreement between TEC and PGS. The initial obligation of PGS under the loan agreement at January 1, 2023 was a term loan in the principal amount of $670 million and a revolving loan in the principal amount of $66 million. The maturity date for both was December 29, 2023. On December 20, 2023, PGS repaid Tampa Electric the outstanding principal amount of the term loan and revolving loan of $670 million and $286 million, respectively, plus outstanding interest. The repayment terminates the affiliate loan agreement and Tampa Electric will no longer provide capital for the operations of PGS. See Note 6 for further information.

he following table presents the assets and liabilities of PGS in TEC’s Consolidated Balance Sheet as of December 31, 2022:


	December 31,
(millions)	2022
Property, plant and equipment
Utility plant	$	2,938
Accumulated depreciation		(687	)
Total property, plant and equipment, net		2,251

Current assets
Cash and cash equivalents		4
Receivables, less allowance for credit losses of $1 at December 31, 2022		62
Due from affiliates		4
Inventories, at average cost
Materials and supplies		5
Regulatory assets		9
Prepayments and other current assets		4
Total current assets		88

Other assets
Regulatory assets		53
Deferred charges and other assets		79
Total other assets		132
Total assets	$	2,471

Capitalization
Common stock	$	871
Retained earnings		121
Total capital		992
Long-term debt		564
Total capital		1,556

Current liabilities
Notes payable		166
Accounts payable		78
Due to affiliates		27
Customer deposits		30
Regulatory liabilities		11
Accrued interest		4
Accrued taxes		5
Other		4
Total current liabilities		325

Other liabilities
Deferred income taxes		238
Regulatory liabilities		277
Deferred credits and other liabilities		75
Total other liabilities		590



Total liabilities and capital	$	2,471