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Income and Other Taxes | 12 Months Ended
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Dec. 31, 2024
Income Tax Disclosure [Abstract] |
Income and Other Taxes | (PPL) "Income from Continuing Operations Before Income Taxes" is from domestic operations. Deferred income taxes reflect the net tax effects of temporary differences between the carrying amounts of assets and liabilities for accounting purposes and their basis for income tax purposes and the tax effects of net operating loss and tax credit carryforwards. The provision for PPL's deferred income taxes for regulated assets and liabilities is based upon the ratemaking principles of the applicable jurisdiction. See Notes 1 and 7 for additional information. Net deferred tax assets have been recognized based on management's estimates of future taxable income. Significant components of PPL's deferred income tax assets and liabilities were as follows:
| 2024 |  | 2023
Deferred Tax Assets |  |  |
Deferred investment tax credits | 28 |  |  | 28 |
Regulatory liabilities | 133 |  |  | 123 |
Income taxes due to customers | 418 |  |  | 436 |
Accrued pension and postretirement costs | 112 |  |  | 101 |
State loss carryforwards | 224 |  |  | 253 |
Federal and state tax credit carryforwards | 24 |  |  | 67 |
Internal Revenue Code Section 197 intangibles | 72 |  |  | 78 |
Contributions in aid of construction | 163 |  |  | 149 |
Bad debt | 37 |  |  | 28 |
Other | 114 |  |  | 111 |
Valuation allowances | (224) |  |  | (245) |
Total deferred tax assets | 1,101 |  |  | 1,129 |
Deferred Tax Liabilities |  |  |
Plant - net | 3,898 |  |  | 3,749 |
Regulatory assets | 432 |  |  | 376 |
Prepayments | 39 |  |  | 47 |
Goodwill | 38 |  |  | 22 |
Other | 38 |  |  | 30 |
Total deferred tax liabilities | 4,445 |  |  | 4,224 |
Net deferred tax liability | $ | 3,344 |  |  | $ | 3,095 |
State deferred taxes are determined by entity and by jurisdiction. As a result, $12 million and $9 million of net deferred tax assets are shown as "Other noncurrent assets" on the Balance Sheets for 2024 and 2023. At December 31, 2024, PPL had the following loss and tax credit carryforwards, related deferred tax assets and valuation allowances recorded against the deferred tax assets:
| Gross |  | Deferred Tax Asset |  | Valuation Allowance |  | Expiration
Loss and other carryforwards |  |  |  |  |  |  |
State net operating losses | $ | 5,011 |  |  | $ | 224 |  |  | $ | (221) |  |  | 2025-2044
State charitable contributions | 10 |  |  | 1 |  |  | (1) |  |  | 2025-2029
Foreign capital loss | 8 |  |  | 2 |  |  | (2) |  |  | Indefinite
| Gross |  | Deferred Tax Asset |  | Valuation Allowance |  | Expiration
Credit carryforwards |  |  |  |  |  |  |
Federal - other |  |  | 14 |  |  | — |  |  | 2044
State recycling credit |  |  | 8 |  |  | — |  |  | 2028
State - other |  |  | 2 |  |  | — |  |  | Indefinite
Valuation allowances have been established for the amount that, more likely than not, will not be realized. The changes in deferred tax valuation allowances were as follows:
|  |  | Additions |  |  |  |
| Balance at Beginning of Period |  | Charged to Income |  | Charged to Other Accounts |  | Deductions |  | Balance at End of Period
2024 | $ | 245 |  |  | $ | 3 |  |  | $ | 1 |  |  | $ | 25 |  | (a) | $ | 224 |
2023 | 213 |  |  | 54 |  | (b) | — |  |  | 22 |  | (c) | 245 |
2022 | 462 |  |  | 10 |  |  | — |  |  | 259 |  | (d) | 213 |
(a)In 2024, PPL recorded a $23 million decrease in a valuation allowance on a 2004 state net operating loss carryforward that expired in 2024. (b)PPL has a Pennsylvania net operating loss fully offset by a valuation allowance. In 2023, PPL adjusted the net operating loss and related valuation allowance to be recorded at the current estimate of the applicable rate at which each portion of the net operating loss that will expire and be written off as the rate is reduced annually by one half a percentage point until the rate reaches to 4.99% in 2031. (c)In 2023, PPL recorded a $22 million decrease in a valuation allowance on a 2003 state net operating loss carryforward that expired in 2023. (d)In 2022, PPL recorded a $36 million decrease in a valuation allowance on a 2002 state net operating loss carryforward that expired in 2022 and a $213 million decrease in the valuation allowance due to the Pennsylvania rate change. See reconciliation of income tax table below. Details of the components of income tax expense, a reconciliation of federal income taxes derived from statutory tax rates applied to "Income Before Income Taxes" to income taxes for reporting purposes, and details of "Taxes, other than income" were as follows:
| 2024 |  | 2023 |  | 2022
Income Tax Expense (Benefit) |  |  |  |  |
Current - Federal (a) | $ | 23 |  |  | $ | (175) |  |  | $ | (2) |
Current - State | 9 |  |  | 37 |  |  | 24 |
Total Current Expense (Benefit) | 32 |  |  | (138) |  |  | 22 |
Deferred - Federal (a) | 137 |  |  | 286 |  |  | 122 |
Deferred - State | 64 |  |  | 48 |  |  | 68 |
Total Deferred Expense (Benefit), excluding operating loss carryforwards | 201 |  |  | 334 |  |  | 190 |
Amortization of investment tax credit | (3) |  |  | (3) |  |  | (3) |
Tax expense (benefit) of operating loss carryforwards |  |  |  |  |
Deferred - Federal | 1 |  |  | 3 |  |  | 2 |
Deferred - State | (3) |  |  | (12) |  |  | (10) |
Total Tax Expense (Benefit) of Operating Loss Carryforwards | (2) |  |  | (9) |  |  | (8) |
Total income tax expense (benefit) | $ | 228 |  |  | $ | 184 |  |  | $ | 201 |
Total income tax expense (benefit) - Federal | $ | 158 |  |  | $ | 111 |  |  | $ | 119 |
Total income tax expense (benefit) - State | 70 |  |  | 73 |  |  | 82 |
Total income tax expense (benefit) | $ | 228 |  |  | $ | 184 |  |  | $ | 201 |
(a)In 2023, PPL purchased approximately $300 million of renewable tax credits and recorded a current tax benefit and a deferred tax expense for utilization of approximately $250 million of the credits in 2023 and prior years, per the three-year carry-back rule. In the table above, the following income tax expense (benefit) are excluded from income taxes:
| 2024 |  | 2023 |  | 2022
Discontinued operations | $ | — |  |  | $ | — |  |  | $ | (42) |
Other comprehensive income | (8) |  |  | (14) |  |  | 11 |
Valuation allowance recorded to other comprehensive income | — |  |  | (1) |  |  | — |
Total | $ | (8) |  |  | $ | (15) |  |  | $ | (31) |
| 2024 |  | 2023 |  | 2022
Reconciliation of Income Tax Expense (Benefit) |  |  |  |  |
Federal income tax on Income Before Income Taxes at statutory tax rate - 21% | $ | 234 |  | $ | 194 |  | $ | 192
State income taxes, net of federal income tax benefit | 65 |  | 58 |  | 68
Valuation allowance adjustments (a) | 2 |  | 12 |  | 9
Income tax credits (b) | (8) |  | (22) |  | (3)
Utility rate-making tax adjustments (c) | (21) |  | (10) |  | (8)
Amortization of excess deferred federal and state income taxes | (45) |  | (48) |  | (54)
Other | 1 |  | — |  | (3)
Total increase (decrease) | (6) |  | (10) |  | 9
Total income tax expense (benefit) | $ | 228 |  | $ | 184 |  | $ | 201
Effective income tax rate | 20.4% |  | 19.9% |  | 22.0%
(a)In 2024, 2023, and 2022, PPL recorded deferred income tax expense of $3 million, $11 million and $5 million for valuation allowances primarily related to increased Pennsylvania net operating loss carryforwards expected to be unutilized. (b)In 2023, PPL purchased approximately $300 million of renewable tax credits and recorded a current tax benefit and a deferred tax expense for utilization of approximately $250 million of the credits in 2023 and prior years, per the three-year carry-back rule. (c)Primarily consists of tax impacts of AFUDC equity and related depreciation across PPL utilities and flow through tax impacts. Flow through occurs when the regulator excludes deferred tax expense or benefit from recoverable costs when determining income tax expense.
| 2024 |  | 2023 |  | 2022
Taxes, other than income |  |  |  |  |
State gross earnings and state gross receipts | $ | 167 |  |  | $ | 195 |  |  | $ | 175 |
Property and other | 207 |  |  | 197 |  |  | 157 |
Total | $ | 374 |  |  | $ | 392 |  |  | $ | 332 |
(PPL Electric) The provision for PPL Electric's deferred income taxes for regulated assets and liabilities is based upon the ratemaking principles reflected in rates established by the PAPUC and the FERC. The difference in the provision for deferred income taxes for regulated assets and liabilities and the amount that otherwise would be recorded under GAAP is deferred and included in "Regulatory assets" or "Regulatory liabilities" on the Balance Sheets. Significant components of PPL Electric's deferred income tax assets and liabilities were as follows:
| 2024 |  | 2023
Deferred Tax Assets |  |  |
Accrued pension and postretirement costs | $ | 36 |  |  | $ | 30 |
Contributions in aid of construction | 120 |  |  | 105 |
Regulatory liabilities | 40 |  |  | 43 |
Income taxes due to customers | 184 |  |  | 191 |
Other | 22 |  |  | 27 |
Total deferred tax assets | 402 |  |  | 396 |
Deferred Tax Liabilities |  |  |
Electric utility plant - net | 1,934 |  |  | 1,810 |
Regulatory assets | 160 |  |  | 119 |
Prepayments | 30 |  |  | 36 |
Other | 4 |  |  | 4 |
Total deferred tax liabilities | 2,128 |  |  | 1,969 |
Net deferred tax liability | $ | 1,726 |  |  | $ | 1,573 |
PPL Electric expects to have adequate levels of taxable income to realize its recorded deferred income tax assets. Details of the components of income tax expense, a reconciliation of federal income taxes derived from statutory tax rates applied to "Income Before Income Taxes" to income taxes for reporting purposes, and details of "Taxes, other than income" were as follows:
| 2024 |  | 2023 |  | 2022
Income Tax Expense (Benefit) |  |  |  |  |
Current - Federal | $ | 44 |  |  | $ | 91 |  |  | $ | 63 |
Current - State | 4 |  |  | 31 |  |  | 20 |
Total Current Expense (Benefit) | 48 |  |  | 122 |  |  | 83 |
Deferred - Federal | 86 |  |  | 28 |  |  | 60 |
Deferred - State | 42 |  |  | 18 |  |  | 31 |
Total Deferred Expense (Benefit), excluding operating loss carryforwards | 128 |  |  | 46 |  |  | 91 |
Total income tax expense (benefit) | $ | 176 |  |  | $ | 168 |  |  | $ | 174 |
Total income tax expense (benefit) - Federal | $ | 130 |  |  | $ | 119 |  |  | $ | 123 |
Total income tax expense (benefit) - State | 46 |  |  | 49 |  |  | 51 |
Total income tax expense (benefit) | $ | 176 |  |  | $ | 168 |  |  | $ | 174 |
| 2024 |  | 2023 |  | 2022
Reconciliation of Income Tax Expense (Benefit) |  |  |  |  |
Federal income tax on Income Before Income Taxes at statutory tax rate - 21% | $ | 158 |  | $ | 144 |  | $ | 147
Increase (decrease) due to: |  |  |  |  |
State income taxes, net of federal income tax benefit | 47 |  | 49 |  | 54
Utility rate-making tax adjustments (a) | (16) |  | (9) |  | (7)
Amortization of excess deferred federal income taxes (b) | (10) |  | (11) |  | (12)
State income tax rate change (c) | — |  | — |  | (9)
Other | (3) |  | (5) |  | 1
Total increase (decrease) | 18 |  | 24 |  | 27
Total income tax expense (benefit) | $ | 176 |  | $ | 168 |  | $ | 174
Effective income tax rate | 23.5% |  | 24.5% |  | 24.9%
(a)Primarily consists of tax impacts of AFUDC equity and related depreciation across PPL utilities and flow through tax impacts. Flow through occurs when the regulator excludes deferred tax expense or benefit from recoverable costs when determining income tax expense. (b)In 2024, 2023, and 2022, PPL Electric recorded lower income tax expense for the amortization of excess deferred taxes that primarily resulted from the U.S. federal corporate income tax rate reduction from 35% to 21% enacted by the TCJA. This amortization represents each year's refund amount, prior to a tax gross-up, to be paid to customers for previously collected deferred taxes at higher income tax rates. (c)2022 includes a deferred tax benefit of $9 million due to the corporate net income tax rate reduction.
| 2024 |  | 2023 |  | 2022
Taxes, other than income |  |  |  |  |
State gross receipts | $ | 122 |  |  | $ | 136 |  |  | $ | 142 |
Property and other | 9 |  |  | 7 |  |  | 7 |
Total | $ | 131 |  |  | $ | 143 |  |  | $ | 149 |
(LG&E) The provision for LG&E's deferred income taxes for regulated assets and liabilities is based upon the ratemaking principles reflected in rates established by the KPSC and the FERC. The difference in the provision for deferred income taxes for regulated assets and liabilities and the amount that otherwise would be recorded under GAAP is deferred and included in "Regulatory assets" or "Regulatory liabilities" on the Balance Sheets. Significant components of LG&E's deferred income tax assets and liabilities were as follows:
| 2024 |  | 2023
Deferred Tax Assets |  |  |
Contributions in aid of construction | $ | 18 |  |  | $ | 18 |
Regulatory liabilities | 18 |  |  | 19 |
Accrued pension and postretirement costs | 4 |  |  | 3 |
Deferred investment tax credits | 7 |  |  | 8 |
Income taxes due to customers | 110 |  |  | 115 |
State tax credit carryforwards | 6 |  |  | 8 |
Lease liabilities | 4 |  |  | 4 |
Valuation allowances | (6) |  |  | (8) |
Other | 6 |  |  | 8 |
Total deferred tax assets | 167 |  |  | 175 |
Deferred Tax Liabilities |  |  |
Plant - net | 875 |  |  | 877 |
Regulatory assets | 88 |  |  | 67 |
Lease right-of-use assets | 4 |  |  | 3 |
Other | 3 |  |  | 4 |
Total deferred tax liabilities | 970 |  |  | 951 |
Net deferred tax liability | $ | 803 |  |  | $ | 776 |
At December 31, 2024, LG&E had $6 million of state credit carryforwards that expire in 2028 and a $6 million valuation allowance related to state credit carryforwards due to insufficient projected Kentucky taxable income. Details of the components of income tax expense, a reconciliation of federal income taxes derived from statutory tax rates applied to "Income Before Income Taxes" to income taxes for reporting purposes, and details of "Taxes, other than income" were:
| 2024 |  | 2023 |  | 2022
Income Tax Expense (Benefit) |  |  |  |  |
Current - Federal | $ | 60 |  |  | $ | 70 |  |  | $ | 60 |
Current - State | 11 |  |  | 13 |  |  | 9 |
Total Current Expense (Benefit) | 71 |  |  | 83 |  |  | 69 |
Deferred - Federal | 1 |  |  | (15) |  |  | (10) |
Deferred - State | 6 |  |  | 2 |  |  | 5 |
Total Deferred Expense (Benefit) | 7 |  |  | (13) |  |  | (5) |
Amortization of investment tax credit - Federal | (1) |  |  | (1) |  |  | (1) |
Total income tax expense (benefit) | $ | 77 |  |  | $ | 69 |  |  | $ | 63 |
Total income tax expense (benefit) - Federal | $ | 60 |  |  | $ | 54 |  |  | $ | 49 |
Total income tax expense (benefit) - State | 17 |  |  | 15 |  |  | 14 |
Total income tax expense (benefit) | $ | 77 |  |  | $ | 69 |  |  | $ | 63 |
| 2024 |  | 2023 |  | 2022
Reconciliation of Income Tax Expense (Benefit) |  |  |  |  |
Federal income tax on Income Before Income Taxes at statutory tax rate - 21% | $ | 79 |  | $ | 70 |  | $ | 70
Increase (decrease) due to: |  |  |  |  |
State income taxes, net of federal income tax benefit | 14 |  | 13 |  | 13
Amortization of excess deferred federal and state income taxes | (13) |  | (13) |  | (18)
Other | (3) |  | (1) |  | (2)
Total increase (decrease) | (2) |  | (1) |  | (7)
Total income tax expense (benefit) | $ | 77 |  | $ | 69 |  | $ | 63
Effective income tax rate | 20.6% |  | 20.6% |  | 18.8%
| 2024 |  | 2023 |  | 2022
Taxes, other than income |  |  |  |  |
Property and other | $ | 49 |  |  | $ | 48 |  |  | $ | 48 |
Total | $ | 49 |  |  | $ | 48 |  |  | $ | 48 |
(KU) The provision for KU's deferred income taxes for regulated assets and liabilities is based upon the ratemaking principles reflected in rates established by the KPSC, the VSCC and the FERC. The difference in the provision for deferred income taxes for regulated assets and liabilities and the amount that otherwise would be recorded under GAAP is deferred and included in "Regulatory assets" or "Regulatory liabilities" on the Balance Sheets. Significant components of KU's deferred income tax assets and liabilities were as follows:
| 2024 |  | 2023
Deferred Tax Assets |  |  |
Contributions in aid of construction | $ | 12 |  |  | $ | 10 |
Regulatory liabilities | 29 |  |  | 23 |
Deferred investment tax credits | 20 |  |  | 21 |
Income taxes due to customers | 124 |  |  | 131 |
State tax credit carryforwards | 4 |  |  | 4 |
Lease liabilities | 6 |  |  | 5 |
Valuation allowances | (2) |  |  | (2) |
Other | 4 |  |  | 5 |
Total deferred tax assets | 197 |  |  | 197 |
Deferred Tax Liabilities |  |  |
Plant - net | 1,053 |  |  | 1,045 |
Regulatory assets | 55 |  |  | 50 |
Pension and postretirement costs | 6 |  |  | 7 |
Lease right-of-use assets | 6 |  |  | 5 |
Other | 1 |  |  | 2 |
Total deferred tax liabilities | 1,121 |  |  | 1,109 |
Net deferred tax liability | $ | 924 |  |  | $ | 912 |
At December 31, 2024, KU had $4 million of state credit carryforwards of which $2 million will expire in 2028 and $2 million that has an indefinite carryforward period. At December 31, 2024, KU had a $2 million valuation allowance related to state credit carryforwards due to insufficient projected Kentucky taxable income. Details of the components of income tax expense, a reconciliation of federal income taxes derived from statutory tax rates applied to "Income Before Income Taxes" to income taxes for reporting purposes, and details of "Taxes, other than income" were:
| 2024 |  | 2023 |  | 2022
Income Tax Expense (Benefit) |  |  |  |  |
Current - Federal | $ | 87 |  |  | $ | 73 |  |  | $ | 63 |
Current - State | 17 |  |  | 13 |  |  | 11 |
Total Current Expense (Benefit) | 104 |  |  | 86 |  |  | 74 |
Deferred - Federal | (15) |  |  | (11) |  |  | (3) |
Deferred - State | 2 |  |  | 4 |  |  | 7 |
Total Deferred Expense (Benefit) | (13) |  |  | (7) |  |  | 4 |
Amortization of investment tax credit - Federal | (2) |  |  | (2) |  |  | (2) |
Total income tax expense (benefit) | $ | 89 |  |  | $ | 77 |  |  | $ | 76 |
Total income tax expense (benefit) - Federal | $ | 70 |  |  | $ | 60 |  |  | $ | 58 |
Total income tax expense (benefit) - State | 19 |  |  | 17 |  |  | 18 |
Total income tax expense (benefit) | $ | 89 |  |  | $ | 77 |  |  | $ | 76 |
| 2024 |  | 2023 |  | 2022
Reconciliation of Income Tax Expense (Benefit) |  |  |  |  |
Federal income tax on Income Before Income Taxes at statutory tax rate - 21% | $ | 93 |  | $ | 82 |  | $ | 84
Increase (decrease) due to: |  |  |  |  |
State income taxes, net of federal income tax benefit | 16 |  | 15 |  | 16
Amortization of investment tax credit | (2) |  | (2) |  | (2)
Amortization of excess deferred federal and state income taxes | (17) |  | (17) |  | (21)
Other | (1) |  | (1) |  | (1)
Total decrease | (4) |  | (5) |  | (8)
Total income tax expense (benefit) | $ | 89 |  | $ | 77 |  | $ | 76
Effective income tax rate | 20.0% |  | 19.8% |  | 19.1%
| 2024 |  | 2023 |  | 2022
Taxes, other than income |  |  |  |  |
Property and other | $ | 49 |  |  | $ | 45 |  |  | $ | 45 |
Total | $ | 49 |  |  | $ | 45 |  |  | $ | 45 |
(All Registrants) Unrecognized Tax Benefits PPL or its subsidiaries file tax returns in four major tax jurisdictions. The income tax provisions for PPL Electric, LG&E and KU are calculated in accordance with an intercompany tax sharing agreement, which provides that taxable income be calculated as if each domestic subsidiary filed a separate consolidated return. PPL Electric or its subsidiaries indirectly or directly file tax returns in three major tax jurisdictions, and LG&E and KU indirectly or directly file tax returns in two major tax jurisdictions. With few exceptions, at December 31, 2024, these jurisdictions, as well as the tax years that are no longer subject to examination, were as follows.
| PPL |  | PPL Electric |  | LG&E |  | KU
U.S. (federal) | 2020 and prior |  | 2020 and prior |  | 2020 and prior |  | 2020 and prior
Pennsylvania (state) | 2020 and prior |  | 2020 and prior |  |  |  |
Kentucky (state) | 2019 and prior |  | 2019 and prior |  | 2019 and prior |  | 2019 and prior
Other Transfer of Certain Credits under the Inflation Reduction Act (PPL) The IRS released the final Internal Revenue Code Section 6418 regulations related to the transfer of certain credits under the Inflation Reduction Act. The regulations became effective on July 1, 2024 and did not and are not expected to have a material impact on the financial statements regarding prior or future credit transfers. IRS Revenue Procedure 2023-15 (PPL and LG&E) On April 14, 2023, the IRS issued Revenue Procedure 2023-15, which provides a safe harbor method of accounting that taxpayers may use to determine whether expenses to repair, maintain, replace, or improve natural gas transmission and distribution property must be capitalized for tax purposes. PPL and LG&E are currently reviewing the revenue procedure to determine what impact the guidance may have on their financial statements.

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