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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Cash Flows from Operating Activities |  |  |  |  |  |
Net income (loss) |  | $ 1,181 | $ 888 |  | $ 740 |
Adjustments to reconcile net income to net cash provided by operating activities |  |  |  |  |  |
Depreciation |  | 1,312 | 1,279 |  | 1,254 |
Amortization |  | 104 | 78 |  | 81 |
Defined benefit plans - expense (income) |  | (57) | (72) |  | (73) |
Deferred income taxes and investment tax credits |  | 192 | 196 |  | 322 |
Equity component of AFUDC |  | (81) | (47) |  | (30) |
Stock compensation expense |  | 49 | 46 |  | 33 |
Other |  | 8 | 30 |  | 1 |
Change in current assets and current liabilities |  |  |  |  |  |
Accounts receivable |  | (207) | 254 |  | (170) |
Accounts payable |  | (12) | (41) |  | (72) |
Unbilled Revenues |  | (73) | (57) |  | 128 |
Fuel, materials and supplies |  | (28) | (2) |  | (60) |
Prepayments |  | 43 | (34) |  | 1 |
Taxes payable |  | 87 | (27) |  | 6 |
Regulatory assets and liabilities, net |  | 162 | (68) |  | (37) |
Other |  | (4) | (65) |  | 38 |
Defined benefits plans - funding |  | (12) | (10) |  | (13) |
Other operating activities |  |  |  |  |  |
Proceeds from transfer of excess benefit plan funds |  | 0 | 13 |  | 0 |
Other assets |  | (138) | (96) |  | (69) |
Other liabilities |  | 65 | 42 |  | (349) |
Net cash provided by operating activities |  | 2,629 | 2,340 |  | 1,758 |
Cash Flows from Investing Activities |  |  |  |  |  |
Expenditures for property, plant and equipment |  | (4,030) | (2,805) |  | (2,390) |
Other investing activities |  | 26 | (13) |  | 7 |
Net cash provided by (used in) investing activities |  | (4,004) | (2,818) |  | (2,383) |
Cash Flows from Financing Activities |  |  |  |  |  |
Issuance of long-term debt |  | 3,045 | 1,894 |  | 3,252 |
Retirement of long-term debt |  | (616) | 0 |  | (1,854) |
Payment of common stock dividends |  | (794) | (747) |  | (704) |
Proceeds from Sale of Treasury Stock |  | 401 | 2 |  | 5 |
Net increase (decrease) in short-term debt |  | 153 | (689) |  | 7 |
Debt Issuance Costs |  | (41) | (19) |  | (46) |
Other investing activities |  | (26) | (6) |  | (10) |
Net cash provided by (used in) financing activities |  | 2,122 | 435 |  | 650 |
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash |  | 747 | (43) |  | 25 |
Cash, Cash Equivalents and Restricted Cash at Beginning of Period |  | 339 | 382 |  | 357 |
Cash, Cash Equivalents and Restricted Cash at End of Period |  | 1,086 | 339 |  | 382 |
Supplemental Disclosures of Cash Flow Information: |  |  |  |  |  |
Interest - net of amount capitalized |  | 745 | 670 |  | 604 |
Income taxes - net |  | 93 | (123) |  | 281 |
Accrued expenditures for property, plant and equipment at December 31, |  | 630 | 358 |  | 220 |
Accrued interest |  | 38 | 33 |  | 27 |
PPL Electric Utilities Corp [Member] |  |  |  |  |  |
Cash Flows from Operating Activities |  |  |  |  |  |
Net income (loss) | [1] | 639 | 574 |  | 519 |
Adjustments to reconcile net income to net cash provided by operating activities |  |  |  |  |  |
Depreciation |  | 413 | 401 |  | 397 |
Amortization |  | 48 | 45 |  | 41 |
Defined benefit plans - expense (income) |  | (29) | (39) |  | (42) |
Deferred income taxes and investment tax credits |  | 24 | 129 |  | 46 |
Equity component of AFUDC |  | (30) | (23) |  | (16) |
Other |  | 4 | 24 |  | (8) |
Change in current assets and current liabilities |  |  |  |  |  |
Accounts receivable |  | (142) | 89 |  | (78) |
Accounts payable |  | 99 | 64 |  | 13 |
Unbilled Revenues |  | (50) | (10) |  | 75 |
Fuel, materials and supplies |  | (40) | 6 |  | (30) |
Prepayments |  | 49 | (32) |  | 2 |
Taxes payable |  | 45 | (49) |  | 15 |
Regulatory assets and liabilities, net |  | 67 | (101) |  | (38) |
Other |  | (8) | (25) |  | 9 |
Defined benefits plans - funding |  | 0 | 0 |  | (5) |
Other operating activities |  |  |  |  |  |
Other assets |  | (50) | (32) |  | 3 |
Other liabilities |  | 0 | 9 |  | 1 |
Net cash provided by operating activities |  | 1,050 | 1,042 |  | 912 |
Cash Flows from Investing Activities |  |  |  |  |  |
Expenditures for property, plant and equipment |  | (1,608) | (1,229) |  | (956) |
Expenditures for intangible assets |  | (12) | (9) |  | (6) |
Net (increase) decrease in notes receivable from affiliate |  | 79 | (222) |  | 0 |
Other investing activities |  | 38 | 5 |  | 4 |
Net cash provided by (used in) investing activities |  | (1,503) | (1,455) |  | (958) |
Cash Flows from Financing Activities |  |  |  |  |  |
Issuance of long-term debt |  | 496 | 649 |  | 1,329 |
Retirement of long-term debt |  | 0 | 0 |  | (1,240) |
Contributions from parent |  | 540 | 688 |  | 206 |
Payment of common stock dividends to parent |  | (401) | (375) |  | (323) |
Return of Capital to Parent |  | (170) | (60) |  | (250) |
Net increase (decrease) in short-term debt |  | 0 | (509) |  | 364 |
Debt Issuance Costs |  | (6) | (7) |  | (14) |
Net cash provided by (used in) financing activities |  | 459 | 386 |  | 72 |
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash |  | 6 | (27) |  | 26 |
Cash, Cash Equivalents and Restricted Cash at Beginning of Period |  | 24 | 51 |  | 25 |
Cash, Cash Equivalents and Restricted Cash at End of Period |  | 30 | 24 |  | 51 |
Supplemental Disclosures of Cash Flow Information: |  |  |  |  |  |
Interest - net of amount capitalized |  | 236 | 224 |  | 205 |
Income taxes - net |  | 129 | 83 |  | 92 |
Accrued expenditures for property, plant and equipment at December 31, |  | 213 | 173 |  | 122 |
Accrued interest |  | 11 | 12 |  | 8 |
Louisville Gas And Electric Co [Member] |  |  |  |  |  |
Cash Flows from Operating Activities |  |  |  |  |  |
Net income (loss) |  | 309 | 297 | [2] | 266 | [2]
Adjustments to reconcile net income to net cash provided by operating activities |  |  |  |  |  |
Depreciation |  | 307 | 305 |  | 302 |
Amortization |  | 24 | 16 |  | 14 |
Deferred income taxes and investment tax credits |  | (9) | 6 |  | (14) |
Equity component of AFUDC |  | (16) | (8) |  | (3) |
Other |  | 6 | 2 |  | (4) |
Change in current assets and current liabilities |  |  |  |  |  |
Accounts receivable |  | (10) | (25) |  | 40 |
Accounts receivable from affiliates |  | (6) | (11) |  | 7 |
Accounts payable |  | 14 | 12 |  | (40) |
Accounts payable to affiliates |  | 6 | 15 |  | (8) |
Unbilled Revenues |  | (10) | 1 |  | 24 |
Fuel, materials and supplies |  | (2) | (13) |  | 24 |
Taxes payable |  | 20 | (1) |  | 0 |
Regulatory assets and liabilities, net |  | (12) | (3) |  | 25 |
Other |  | (5) | 0 |  | 1 |
Other operating activities |  |  |  |  |  |
Expenditures for asset retirement obligations |  | (9) | (11) |  | (11) |
Other assets |  | (43) | (27) |  | (21) |
Other liabilities |  | 22 | (1) |  | 2 |
Net cash provided by operating activities |  | 599 | 554 |  | 609 |
Cash Flows from Investing Activities |  |  |  |  |  |
Expenditures for property, plant and equipment |  | (767) | (444) |  | (378) |
Net (increase) decrease in notes receivable from affiliate |  | (36) | 0 |  | 0 |
Net cash provided by (used in) investing activities |  | (803) | (444) |  | (378) |
Cash Flows from Financing Activities |  |  |  |  |  |
Issuance of long-term debt |  | 700 | 0 |  | 464 |
Retirement of long-term debt |  | (300) | 0 |  | (300) |
Net increase (decrease) in short-term debt |  | (25) | 25 |  | (179) |
Contributions from parent |  | 281 | 65 |  | 67 |
Payment of common stock dividends to parent |  | (200) | (187) |  | (166) |
Return of Capital to Parent |  | (55) | (76) |  | (161) |
Debt Issuance Costs |  | (9) | 0 |  | (5) |
Net cash provided by (used in) financing activities |  | 349 | (130) |  | (280) |
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash |  | 145 | (20) |  | (49) |
Proceeds from (Repayments of) Related Party Debt |  | (43) | 43 |  | 0 |
Cash, Cash Equivalents and Restricted Cash at Beginning of Period |  | 24 | 44 |  | 93 |
Cash, Cash Equivalents and Restricted Cash at End of Period |  | 169 | 24 |  | 44 |
Supplemental Disclosures of Cash Flow Information: |  |  |  |  |  |
Interest - net of amount capitalized |  | 103 | 101 |  | 93 |
Income taxes - net |  | 81 | 73 |  | 84 |
Accrued expenditures for property, plant and equipment at December 31, |  | 142 | 64 |  | 30 |
Accrued interest |  | 13 | 0 |  | 5 |
Kentucky Utilities Co [Member] |  |  |  |  |  |
Cash Flows from Operating Activities |  |  |  |  |  |
Net income (loss) | [3] | 398 | 356 |  | 312 |
Adjustments to reconcile net income to net cash provided by operating activities |  |  |  |  |  |
Depreciation |  | 408 | 403 |  | 392 |
Amortization |  | 21 | 21 |  | 20 |
Defined benefit plans - expense (income) |  | (3) | (5) |  | (5) |
Deferred income taxes and investment tax credits |  | 0 | (15) |  | (10) |
Equity component of AFUDC |  | (21) | (9) |  | (3) |
Other |  | 11 | 5 |  | 1 |
Change in current assets and current liabilities |  |  |  |  |  |
Accounts receivable |  | (2) | (21) |  | 16 |
Accounts payable |  | 1 | (23) |  | (26) |
Accounts payable to affiliates |  | 7 | 29 |  | (24) |
Unbilled Revenues |  | (4) | (5) |  | 17 |
Fuel, materials and supplies |  | (8) | 14 |  | (17) |
Taxes payable |  | 26 | 5 |  | 5 |
Regulatory assets and liabilities, net |  | (6) | 23 |  | 25 |
Other |  | (4) | (5) |  | (4) |
Other operating activities |  |  |  |  |  |
Expenditures for asset retirement obligations |  | (11) | (10) |  | (28) |
Other assets |  | (21) | (41) |  | (25) |
Other liabilities |  | (8) | 1 |  | (4) |
Net cash provided by operating activities |  | 798 | 723 |  | 647 |
Cash Flows from Investing Activities |  |  |  |  |  |
Expenditures for property, plant and equipment |  | (983) | (643) |  | (572) |
Other investing activities |  | (3) | 0 |  | 6 |
Net cash provided by (used in) investing activities |  | (986) | (643) |  | (566) |
Cash Flows from Financing Activities |  |  |  |  |  |
Issuance of long-term debt |  | 700 | 0 |  | 459 |
Retirement of long-term debt |  | (250) | 0 |  | (313) |
Net increase (decrease) in short-term debt |  | (140) | 47 |  | (8) |
Contributions from parent |  | 198 | 126 |  | 76 |
Payment of common stock dividends to parent |  | (249) | (232) |  | (190) |
Return of Capital to Parent |  | (37) | (103) |  | (84) |
Debt Issuance Costs |  | (9) | 0 |  | (4) |
Net cash provided by (used in) financing activities |  | 176 | (89) |  | (64) |
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash |  | (12) | (9) |  | 17 |
Proceeds from (Repayments of) Related Party Debt |  | (37) | 73 |  | 0 |
Cash, Cash Equivalents and Restricted Cash at Beginning of Period |  | 29 | 38 |  | 21 |
Cash, Cash Equivalents and Restricted Cash at End of Period |  | 17 | 29 |  | 38 |
Supplemental Disclosures of Cash Flow Information: |  |  |  |  |  |
Interest - net of amount capitalized |  | 138 | 135 |  | 125 |
Income taxes - net |  | 94 | 102 |  | 78 |
Accrued expenditures for property, plant and equipment at December 31, |  | 101 | 74 |  | 38 |
Accrued interest |  | $ 14 | $ 0 |  | $ 5 |
[1] | Net income equals comprehensive income.
[2] | Net income equals comprehensive income.
[3] | Net income equals comprehensive income.

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