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Income Taxes
12 Months Ended
Dec. 31, 2020
Income Taxes INCOME TAXES
The disclosures in this note apply to all Registrants unless indicated otherwise.

Income Tax Expense (Benefit)

The details of the Registrants’ Income Tax Expense (Benefit) as reported are as follows:
Year Ended December 31, 2020AEPAEP TexasAEPTCoAPCoI&MOPCoPSOSWEPCo
(in millions)
Federal:
Current$(138.2)$5.2 $22.2 $21.4 $11.3 $(26.6)$(11.4)$(13.6)
Deferred146.9 (15.4)65.4 (27.1)(20.6)74.0 8.3 19.6 
Total Federal8.7 (10.2)87.6 (5.7)(9.3)47.4 (3.1)6.0 
State and Local:
Current(16.7)(0.1)2.8 9.3 1.9 (5.4)0.1 (8.2)
Deferred48.5 (0.9)16.3 0.7 (0.1)3.2 8.2 11.6 
Total State and Local31.8 (1.0)19.1 10.0 1.8 (2.2)8.3 3.4 
Income Tax Expense (Benefit)$40.5 $(11.2)$106.7 $4.3 $(7.5)$45.2 $5.2 $9.4 

Year Ended December 31, 2019AEPAEP TexasAEPTCoAPCoI&MOPCoPSOSWEPCo
(in millions)
Federal:
Current$(7.4)$(31.8)$23.7 $36.7 $48.1 $(10.0)$25.5 $6.9 
Deferred(71.6)(24.7)71.7 (126.1)(57.1)40.6 (26.0)(10.0)
Total Federal(79.0)(56.5)95.4 (89.4)(9.0)30.6 (0.5)(3.1)
State and Local:
Current4.4 2.9 2.4 12.0 (2.4)1.1 0.2 0.8 
Deferred61.7 — 19.6 (0.6)0.8 3.2 7.8 (2.4)
Total State and Local66.1 2.9 22.0 11.4 (1.6)4.3 8.0 (1.6)
Income Tax Expense (Benefit)$(12.9)$(53.6)$117.4 $(78.0)$(10.6)$34.9 $7.5 $(4.7)

Year Ended December 31, 2018AEPAEP TexasAEPTCoAPCoI&MOPCoPSOSWEPCo
(in millions)
Federal:
Current$(31.7)$37.0 $(14.2)$(31.9)$60.9 $55.6 $35.6 $18.3 
Deferred122.0 (17.9)82.3 (24.5)(48.8)(36.9)(36.7)(1.9)
Total Federal90.3 19.1 68.1 (56.4)12.1 18.7 (1.1)16.4 
State and Local:
Current30.8 1.8 (0.6)3.7 15.8 4.6 (0.2)2.3 
Deferred(5.8)(0.1)16.6 7.8 1.2 0.7 6.3 1.7 
Total State and Local25.0 1.7 16.0 11.5 17.0 5.3 6.1 4.0 
Income Tax Expense (Benefit)$115.3 $20.8 $84.1 $(44.9)$29.1 $24.0 $5.0 $20.4 
The following are reconciliations for the Registrants between the federal income taxes computed by multiplying pretax income by the federal statutory tax rate and the income taxes reported:
AEPYears Ended December 31,
202020192018
(in millions)
Net Income$2,196.7 $1,919.8 $1,931.3 
Less: Equity Earnings – Dolet Hills(2.9)(3.0)(2.7)
Income Tax Expense (Benefit)40.5 (12.9)115.3 
Pretax Income$2,234.3 $1,903.9 $2,043.9 
Income Taxes on Pretax Income at Statutory Rate (21%)
$469.2 $399.8 $429.2 
Increase (Decrease) in Income Taxes Resulting from the Following Items:
Depreciation26.5 20.4 24.6 
Investment Tax Credit Amortization(18.8)(13.0)(20.4)
Production Tax Credits(83.1)(59.6)(10.3)
State and Local Income Taxes, Net25.1 52.2 19.7 
Removal Costs(18.6)(22.2)(18.6)
AFUDC(32.5)(37.1)(29.4)
Tax Reform Adjustments— — (10.9)
Tax Reform Excess ADIT Reversal(268.2)(353.2)(257.2)
CARES Act(48.0)— — 
Other(11.1)(0.2)(11.4)
Income Tax Expense (Benefit) $40.5 $(12.9)$115.3 
Effective Income Tax Rate1.8 %(0.7)%5.6 %

AEP TexasYears Ended December 31,
202020192018
(in millions)
Net Income$241.0 $178.3 $211.3 
Income Tax Expense (Benefit)(11.2)(53.6)20.8 
Pretax Income$229.8 $124.7 $232.1 
Income Taxes on Pretax Income at Statutory Rate (21%)
$48.3 $26.2 $48.7 
Increase (Decrease) in Income Taxes Resulting from the Following Items:
Depreciation1.0 1.0 0.7 
Investment Tax Credit Amortization(1.1)(1.2)(2.3)
State and Local Income Taxes, Net(0.8)2.3 1.3 
AFUDC(4.1)(3.2)(4.2)
Parent Company Loss Benefit(4.5)(3.8)(3.0)
Tax Reform Adjustments— — (11.0)
Tax Reform Excess ADIT Reversal(47.9)(73.4)(11.8)
Other(2.1)(1.5)2.4 
Income Tax Expense (Benefit) $(11.2)$(53.6)$20.8 
Effective Income Tax Rate(4.9)%(43.0)%9.0 %
AEPTCoYears Ended December 31,
202020192018
(in millions)
Net Income$423.4 $439.7 $315.9 
Income Tax Expense106.7 117.4 84.1 
Pretax Income$530.1 $557.1 $400.0 
Income Taxes on Pretax Income at Statutory Rate (21%)
$111.3 $117.0 $84.0 
Increase (Decrease) in Income Taxes Resulting from the Following Items:
State and Local Income Taxes, Net15.1 17.4 12.6 
AFUDC(15.5)(17.7)(14.1)
Parent Company Loss Benefit(7.0)(4.2)(0.6)
Other2.8 4.9 2.2 
Income Tax Expense$106.7 $117.4 $84.1 
Effective Income Tax Rate20.1 %21.1 %21.0 %
APCoYears Ended December 31,
202020192018
(in millions)
Net Income$369.7 $306.3 $367.8 
Income Tax Expense (Benefit)4.3 (78.0)(44.9)
Pretax Income$374.0 $228.3 $322.9 
Income Taxes on Pretax Income at Statutory Rate (21%)
$78.5 $47.9 $67.8 
Increase (Decrease) in Income Taxes Resulting from the Following Items:
Depreciation12.7 10.8 9.4 
State and Local Income Taxes, Net7.9 9.0 9.1 
Removal Costs(5.7)(6.4)(7.9)
AFUDC(4.5)(5.2)(4.3)
Parent Company Loss Benefit(6.2)(4.1)(3.6)
Tax Reform Excess ADIT Reversal(72.3)(130.4)(108.5)
Federal Return to Provision(7.2)(1.0)(6.6)
Other1.1 1.4 (0.3)
Income Tax Expense (Benefit)$4.3 $(78.0)$(44.9)
Effective Income Tax Rate1.1 %(34.2)%(13.9)%
I&MYears Ended December 31,
202020192018
(in millions)
Net Income$284.8 $269.4 $261.3 
Income Tax Expense (Benefit)(7.5)(10.6)29.1 
Pretax Income$277.3 $258.8 $290.4 
Income Taxes on Pretax Income at Statutory Rate (21%)
$58.2 $54.3 $61.0 
Increase (Decrease) in Income Taxes Resulting from the Following Items:
Depreciation1.6 4.0 1.5 
Investment Tax Credit Amortization(4.5)(3.6)(4.7)
State and Local Income Taxes, Net1.5 (1.2)13.4 
Removal Costs(10.5)(12.8)(8.0)
AFUDC(2.4)(4.1)(2.5)
Parent Company Loss Benefit(6.4)(3.3)(2.3)
Tax Reform Excess ADIT Reversal(46.8)(42.5)(25.8)
Federal Return to Provision1.9 (0.3)(4.6)
Other(0.1)(1.1)1.1 
Income Tax Expense (Benefit)$(7.5)$(10.6)$29.1 
Effective Income Tax Rate(2.7)%(4.1)%10.0 %

OPCoYears Ended December 31,
202020192018
(in millions)
Net Income$271.4 $297.1 $325.5 
Income Tax Expense45.2 34.9 24.0 
Pretax Income$316.6 $332.0 $349.5 
Income Taxes on Pretax Income at Statutory Rate (21%)
$66.5 $69.7 $73.4 
Increase (Decrease) in Income Taxes Resulting from the Following Items:
Depreciation3.7 (1.4)2.4 
State and Local Income Taxes, Net(1.7)3.4 4.2 
AFUDC(2.6)(3.8)(2.1)
Parent Company Loss Benefit— (1.8)(6.0)
Tax Reform Excess ADIT Reversal(27.2)(27.3)(51.0)
Federal Return to Provision6.5 (3.7)0.2 
Other— (0.2)2.9 
Income Tax Expense$45.2 $34.9 $24.0 
Effective Income Tax Rate14.3 %10.5 %6.9 %
PSOYears Ended December 31,
202020192018
(in millions)
Net Income$123.0 $137.6 $83.2 
Income Tax Expense5.2 7.5 5.0 
Pretax Income$128.2 $145.1 $88.2 
Income Taxes on Pretax Income at Statutory Rate (21%)
$26.9 $30.5 $18.5 
Increase (Decrease) in Income Taxes Resulting from the Following Items:
Depreciation1.1 0.6 0.7 
Investment Tax Credit Amortization(2.1)(0.5)(1.7)
State and Local Income Taxes, Net6.5 6.3 4.8 
Parent Company Loss Benefit(0.2)(2.1)(1.4)
Tax Reform Excess ADIT Reversal(25.5)(24.5)(15.5)
Other(1.5)(2.8)(0.4)
Income Tax Expense$5.2 $7.5 $5.0 
Effective Income Tax Rate4.1 %5.2 %5.7 %

SWEPCoYears Ended December 31,
202020192018
(in millions)
Net Income$183.7 $162.2 $152.2 
Less: Equity Earnings – Dolet Hills(2.9)(3.0)(2.7)
Income Tax Expense (Benefit)9.4 (4.7)20.4 
Pretax Income$190.2 $154.5 $169.9 
Income Taxes on Pretax Income at Statutory Rate (21%)
$39.9 $32.4 $35.7 
Increase (Decrease) in Income Taxes Resulting from the Following Items:
Depreciation1.9 1.9 1.9 
Depletion(3.4)(3.4)(3.4)
State and Local Income Taxes, Net2.7 (1.3)3.2 
AFUDC(1.5)(1.4)(1.3)
Parent Company Loss Benefit(5.6)(1.6)(0.6)
Tax Reform Excess ADIT Reversal(21.9)(29.9)(16.0)
Other(2.7)(1.4)0.9 
Income Tax Expense (Benefit)$9.4 $(4.7)$20.4 
Effective Income Tax Rate4.9 %(3.0)%12.0 %
Net Deferred Tax Liability

The following tables show elements of the net deferred tax liability and significant temporary differences for each Registrant:
AEPDecember 31,
20202019
(in millions)
Deferred Tax Assets$3,259.7 $3,246.1 
Deferred Tax Liabilities(11,500.6)(10,834.3)
Net Deferred Tax Liabilities$(8,240.9)$(7,588.2)
Property Related Temporary Differences$(7,340.5)$(6,602.9)
Amounts Due to Customers for Future Income Taxes1,075.8 1,173.5 
Deferred State Income Taxes(1,317.6)(1,198.0)
Securitized Assets(140.0)(178.7)
Regulatory Assets(391.6)(371.1)
Accrued Nuclear Decommissioning(626.4)(557.4)
Net Operating Loss Carryforward112.9 77.6 
Tax Credit Carryforward323.6 247.2 
Operating Lease Liability183.7 182.6 
Investment in Partnership(362.0)(446.6)
All Other, Net241.2 85.6 
Net Deferred Tax Liabilities$(8,240.9)$(7,588.2)
    
AEP TexasDecember 31,
20202019
(in millions)
Deferred Tax Assets$183.6 $220.0 
Deferred Tax Liabilities(1,200.3)(1,185.4)
Net Deferred Tax Liabilities$(1,016.7)$(965.4)
Property Related Temporary Differences$(1,039.6)$(973.5)
Amounts Due to Customers for Future Income Taxes114.4 126.7 
Deferred State Income Taxes(29.1)(27.5)
Securitized Transition Assets(90.2)(124.3)
Regulatory Assets(47.4)(51.2)
Operating Lease Liability18.0 17.2 
All Other, Net57.2 67.2 
Net Deferred Tax Liabilities$(1,016.7)$(965.4)

AEPTCoDecember 31,
20202019
(in millions)
Deferred Tax Assets$166.5 $162.9 
Deferred Tax Liabilities(1,073.4)(980.7)
Net Deferred Tax Liabilities$(906.9)$(817.8)
Property Related Temporary Differences$(937.8)$(847.1)
Amounts Due to Customers for Future Income Taxes118.9 119.9 
Deferred State Income Taxes(98.3)(86.1)
Net Operating Loss Carryforward13.2 12.3 
All Other, Net(2.9)(16.8)
Net Deferred Tax Liabilities$(906.9)$(817.8)
APCoDecember 31,
20202019
(in millions)
Deferred Tax Assets$500.6 $486.2 
Deferred Tax Liabilities(2,250.5)(2,167.0)
Net Deferred Tax Liabilities$(1,749.9)$(1,680.8)
Property Related Temporary Differences$(1,412.0)$(1,420.0)
Amounts Due to Customers for Future Income Taxes198.3 222.8 
Deferred State Income Taxes(336.5)(337.2)
Securitized Assets(44.7)(49.3)
Regulatory Assets(114.8)(71.0)
Operating Lease Liability16.7 16.5 
All Other, Net(56.9)(42.6)
Net Deferred Tax Liabilities$(1,749.9)$(1,680.8)

I&MDecember 31,
20202019
(in millions)
Deferred Tax Assets$989.5 $970.5 
Deferred Tax Liabilities(2,053.9)(1,950.2)
Net Deferred Tax Liabilities$(1,064.4)$(979.7)
Property Related Temporary Differences$(409.2)$(430.7)
Amounts Due to Customers for Future Income Taxes147.9 169.6 
Deferred State Income Taxes(211.1)(194.4)
Regulatory Assets(16.5)(26.9)
Accrued Nuclear Decommissioning(626.4)(557.4)
Operating Lease Liability46.6 61.9 
All Other, Net4.3 (1.8)
Net Deferred Tax Liabilities$(1,064.4)$(979.7)

OPCoDecember 31,
20202019
(in millions)
Deferred Tax Assets$210.8 $202.3 
Deferred Tax Liabilities(1,165.9)(1,051.6)
Net Deferred Tax Liabilities$(955.1)$(849.3)
Property Related Temporary Differences$(1,016.0)$(890.8)
Amounts Due to Customers for Future Income Taxes121.1 130.2 
Deferred State Income Taxes(40.7)(35.5)
Regulatory Assets(53.7)(48.0)
Operating Lease Liability19.4 18.3 
All Other, Net14.8 (23.5)
Net Deferred Tax Liabilities$(955.1)$(849.3)
PSODecember 31,
20202019
(in millions)
Deferred Tax Assets$239.8 $257.4 
Deferred Tax Liabilities(928.3)(885.7)
Net Deferred Tax Liabilities$(688.5)$(628.3)
Property Related Temporary Differences$(661.8)$(627.6)
Amounts Due to Customers for Future Income Taxes118.5 127.2 
Deferred State Income Taxes(107.7)(100.4)
Regulatory Assets(39.1)(44.6)
Net Operating Loss Carryforward12.9 10.2 
All Other, Net(11.3)6.9 
Net Deferred Tax Liabilities$(688.5)$(628.3)

SWEPCoDecember 31,
20202019
(in millions)
Deferred Tax Assets$338.1 $359.6 
Deferred Tax Liabilities(1,355.7)(1,300.5)
Net Deferred Tax Liabilities$(1,017.6)$(940.9)
Property Related Temporary Differences$(985.1)$(947.6)
Amounts Due to Customers for Future Income Taxes162.7 169.8 
Deferred State Income Taxes(214.7)(200.3)
Regulatory Assets(26.2)(30.2)
Net Operating Loss Carryforward33.4 38.2 
All Other, Net12.3 29.2 
Net Deferred Tax Liabilities$(1,017.6)$(940.9)


AEP System Tax Allocation Agreement

AEP and subsidiaries join in the filing of a consolidated federal income tax return.  The allocation of the AEP System’s current consolidated federal income tax to the AEP System companies allocates the benefit of current tax loss of the parent company (Parent Company Loss Benefit) to the AEP System subsidiaries with taxable income reducing their current tax expense proportionately.  The consolidated NOL of the AEP System is allocated to each company in the consolidated group with taxable losses. With the exception of the allocation of the consolidated AEP System NOL, the loss of the Parent and tax credits, the method of allocation reflects a separate return result for each company in the consolidated group.

Federal Income Tax Audit Status

The statute of limitations for the IRS to examine AEP and subsidiaries originally filed federal return has expired for tax years 2016 and earlier. In the third quarter of 2019, AEP and subsidiaries elected to amend the 2014 and 2015 federal returns. In the first quarter of 2020, the IRS notified AEP that it was beginning an examination of these amended returns, including the NOL carryback to 2015 that originated in the 2017 return. As of December 31, 2020, the IRS has not challenged any items on these returns and the IRS is limited in their proposed adjustments to the amount AEP claimed on the amended returns.
Net Income Tax Operating Loss Carryforward

As of December 31, 2020, AEP has no federal net income tax operating loss carryforward. AEP, AEPTCo, I&M, PSO and SWEPCo have state net income tax operating loss carryforwards as indicated in the table below:
State Net Income
 Tax Operating LossYears of
CompanyState/MunicipalityCarryforwardExpiration
(in millions)
AEPArkansas$87.2 2021-2028
AEPKentucky163.7 2030-2037
AEPLouisiana466.8 2025-2040
AEPOklahoma569.4 2034-2037
AEPTennessee31.1 2028-2035
AEPVirginia29.4 2025-2037
AEPWest Virginia21.9 2029-2037
AEPOhio Municipal649.8 2021-2025
AEPIndiana145.7 2039
AEPColorado95.7 NA
AEPPennsylvania56.5 2030-2040
AEPNew Jersey60.2 2036-2040
AEPIllinois15.6 2031
AEP Michigan14.9 2029
AEPTCoOklahoma195.4 2034-2037
AEPTCoOhio Municipal18.4 2023
I&MWest Virginia2.5 2032-2037
PSOOklahoma354.5 2034-2037
SWEPCoArkansas86.4 2021-2024
SWEPCoLouisiana454.3 2032-2037

As of December 31, 2020, AEP recorded a valuation allowance of $9 million, against certain state and municipal net income tax operating loss carryforwards since future taxable income is not expected to be sufficient to realize the remaining state net income tax operating loss tax benefits before the carryforward expires. Management anticipates future taxable income will be sufficient to realize the remaining state net income tax operating loss tax benefits before the carryforward expires for each state.

Tax Credit Carryforward

Federal and state net income tax operating losses sustained in 2016, 2017 and 2019 resulted in unused federal and state income tax credits.  As of December 31, 2020, the Registrants have federal tax credit carryforwards and AEP and PSO have state tax credit carryforwards as indicated in the table below.  If these credits are not utilized, federal general business tax credits will expire in the years 2036 through 2040 and state tax credits will remain available indefinitely.
Total FederalTotal State
Tax CreditTax Credit
CompanyCarryforwardCarryforward
(in millions)
AEP$323.6 $38.4 
AEP Texas1.2 — 
AEPTCo0.1 — 
APCo1.6 — 
I&M9.7 — 
OPCo0.5 — 
PSO0.5 38.4 
SWEPCo1.3 — 

The Registrants anticipate future federal taxable income will be sufficient to realize the tax benefits of the federal tax credits before they expire unused.
Valuation Allowance

AEP assesses the available positive and negative evidence to estimate whether sufficient future taxable income of the appropriate tax character will be generated to realize the benefits of existing deferred tax assets. When the evaluation of the evidence indicates that AEP will not be able to realize the benefits of existing deferred tax assets, a valuation allowance is recorded to reduce existing deferred tax assets to the net realizable amount. Objective evidence evaluated includes whether AEP has a history of recognizing income, future reversals of existing temporary differences and tax planning strategies.

Valuation allowance activity for the years ended December 31, 2020, 2019 and 2018 was immaterial.

Uncertain Tax Positions

The reconciliations of the beginning and ending amounts of unrecognized tax benefits for AEP are presented below. The amount and activity of unrecognized tax benefits for Registrants Subsidiaries was immaterial for periods presented:
AEP
202020192018
(in millions)
Balance as of January 1, $24.1 $14.6 $86.6 
Increase – Tax Positions Taken During a Prior Period0.6 8.8 0.1 
Decrease – Tax Positions Taken During a Prior Period(14.5)(2.1)— 
Increase – Tax Positions Taken During the Current Year3.0 2.8 — 
Decrease – Tax Positions Taken During the Current Year— — — 
Decrease – Settlements with Taxing Authorities— — (71.0)
Decrease – Lapse of the Applicable Statute of Limitations— — (1.1)
Balance as of December 31, $13.2 $24.1 $14.6 

Management believes that there will be no significant net increase or decrease in unrecognized benefits within 12 months of the reporting date.  The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate for AEP as of December 31, 2020, 2019 and 2018 were $12 million, $20 million and $12 million, respectively.

Federal Tax Legislation

In March 2020, the CARES Act was signed into law. The CARES Act includes tax relief provisions such as: (a) an AMT Credit Refund, (b) a 5-year NOL carryback from years 2018-2020 and (c) delayed payment of employer payroll taxes. Pursuant to the CARES Act, AEP, APCo and OPCo requested and in July received refunds of AMT credit of $20 million, $7 million and $9 million, respectively. In the third quarter of 2020, AEP also requested a $95 million refund of taxes paid in 2014 under the 5-year NOL carryback provision of the CARES Act. AEP carried back a NOL generated on the 2019 Federal income tax return at a 21% federal corporate income tax rate to the 2014 Federal income tax return at a 35% corporate income tax rate. As a result of the change in the corporate income tax rates between the two periods, AEP realized a tax benefit of $48 million primarily at the Generation & Marketing segment. Management will continue to monitor potential legislation and any impacts to the AMT Credit and NOL refunds that were filed in 2020 pursuant to the CARES Act.

In December 2020, the CAA of 2021 was signed into law. The CAA of 2021 includes: (a) COVID-19 tax relief and tax extender provisions including extensions of time to begin construction on and placed in-service assets generating PTCs and ITCs, (b) 100% deductibility of business meals in 2021 and 2022 and (c) an extension of the work opportunity tax credit. The ITC percentage has been increased for projects starting construction through 2023 and placed in-service by the end of 2025. The PTC has been extended for an additional year, to include projects started in 2021 and completed in 2025. These provisions provide time and flexibility on the construction start and in-service dates.
In September and November 2020, the IRS issued final regulations that provide guidance regarding the additional first-year depreciation deduction under Section 168(k). The final regulations reflect changes as a result of Tax Reform, which affects taxpayers with qualified depreciable property acquired and placed in-service after September 27, 2017. Generally, AEP’s regulated utilities will not be eligible for any bonus depreciation for property acquired and placed in-service after December 31, 2017. AEP’s competitive businesses will be eligible for 100% expensing.

The IRS issued final regulations in 2020 that provide guidance concerning potential limitations on the deduction of business interest expense. These regulations require an allocation of net interest expense between regulated and competitive businesses within the consolidated tax return. This allocation is based upon net tax basis, and the proposed regulations provide de minimis tests under which all interest is deductible if less than 10% is allocable to the competitive businesses. AEP will deduct materially all business interest expense under this de minimis provision.

On December 30, 2020, the IRS issued regulations that provide guidance on the non-deductibility of certain executives compensation above $1 million under Internal Revenue Code Section 162(m). The regulations clarify the application of rules passed under Tax Reform that expanded the application of Section 162(m) to SEC registered companies that issue either public equity or debt. These rules also expanded the type of compensation and the number of executives subject to this deduction disallowance. AEP limits certain executives’ compensation to the $1 million limitation on its federal income tax return.