Regulatory Assets and Liabilities |
The following table provides information about the regulatory assets and liabilities of cost-based rate-regulated utility operations. | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | PPL | | PPL Electric | | LG&E | | KU | | June 30, 2025 | | December 31, 2024 | | June 30, 2025 | | December 31, 2024 | | June 30, 2025 | | December 31, 2024 | | June 30, 2025 | | December 31, 2024 | Current Regulatory Assets: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Rate adjustment mechanisms | $ | 99 | | | $ | 95 | | | $ | — | | | $ | — | | | $ | — | | | $ | — | | | $ | — | | | $ | — | | | | | | | | | | | | | | | | | | Renewable energy certificates | 21 | | 14 | | | — | | | — | | | — | | | — | | | — | | | — | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Storm damage expense rider | 45 | | | 68 | | | 45 | | | 68 | | | — | | | — | | | — | | | — | | Gas supply clause | 20 | | | 3 | | | — | | | — | | | 20 | | | 3 | | | — | | | — | | | | | | | | | | | | | | | | | | Transmission service charge | 52 | | | 44 | | | — | | | 27 | | | — | | | — | | | — | | | — | | | | | | | | | | | | | | | | | | DSIC | 9 | | | 8 | | | 9 | | | 8 | | | — | | | — | | | — | | | — | | TCJA customer refund and recovery | 30 | | | 21 | | | 30 | | | 21 | | | — | | | — | | | — | | | — | | ISR deferral | 6 | | | 22 | | | — | | | — | | | — | | | — | | | — | | | — | | | | | | | | | | | | | | | | | | Other | 21 | | | 45 | | | 8 | | | 9 | | | 6 | | | 5 | | | — | | | 1 | | Total current regulatory assets | $ | 303 | | | $ | 320 | | | $ | 92 | | | $ | 133 | | | $ | 26 | | | $ | 8 | | | $ | — | | | $ | 1 | | | | | | | | | | | | | | | | | | Noncurrent Regulatory Assets: | | | | | | | | | | | | | | | | Defined benefit plans | $ | 959 | | | $ | 967 | | | $ | 471 | | | $ | 473 | | | $ | 219 | | | $ | 226 | | | $ | 150 | | | $ | 149 | | Plant outage costs | 27 | | | 30 | | | — | | | — | | | 6 | | | 7 | | | 21 | | | 23 | | Net metering | 159 | | | 147 | | | — | | | — | | | — | | | — | | | — | | | — | | Environmental cost recovery | 96 | | | 96 | | | — | | | — | | | — | | | — | | | — | | | — | | Storm costs | 114 | | | 113 | | | 42 | | | 22 | | | 24 | | | 20 | | | 37 | | | 29 | | Unamortized loss on debt | 19 | | | 20 | | | 3 | | | 3 | | | 9 | | | 9 | | | 6 | | | 6 | | | | | | | | | | | | | | | | | | Terminated interest rate swaps | 49 | | | 53 | | | — | | | — | | | 29 | | | 31 | | | 20 | | | 22 | | Accumulated cost of removal of utility plant | 168 | | | 173 | | | 168 | | | 173 | | | — | | | — | | | — | | | — | | AROs | 275 | | | 280 | | | — | | | — | | | 76 | | | 75 | | | 199 | | | 205 | | | | | | | | | | | | | | | | | | RAR | 80 | | | 83 | | | — | | | — | | | 80 | | | 83 | | | — | | | — | | | | | | | | | | | | | | | | | | Gas line inspections | 24 | | | 24 | | | — | | | — | | | 22 | | | 22 | | | 2 | | | 2 | | Advanced metering infrastructure | 35 | | | 28 | | | — | | | — | | | 18 | | | 14 | | | 17 | | | 14 | | Other | 50 | | | 46 | | | 8 | | | 2 | | | 5 | | | 4 | | | 10 | | | 8 | | Total noncurrent regulatory assets | $ | 2,055 | | | $ | 2,060 | | | $ | 692 | | | $ | 673 | | | $ | 488 | | | $ | 491 | | | $ | 462 | | | $ | 458 | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | PPL | | PPL Electric | | LG&E | | KU | | June 30, 2025 | | December 31, 2024 | | June 30, 2025 | | December 31, 2024 | | June 30, 2025 | | December 31, 2024 | | June 30, 2025 | | December 31, 2024 | Current Regulatory Liabilities: | | | | | | | | | | | | | | | | Generation supply charge | $ | 44 | | | $ | 52 | | | $ | 44 | | | $ | 52 | | | $ | — | | | $ | — | | | $ | — | | | $ | — | | ECR | 6 | | | 12 | | | — | | | — | | | 4 | | | 6 | | | 2 | | | 6 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Transmission formula rate | 19 | | | 1 | | | 10 | | | — | | | — | | | — | | | — | | | — | | Rate adjustment mechanisms | 64 | | | 71 | | | — | | | — | | | — | | | — | | | — | | | — | | Energy efficiency | 27 | | | 25 | | | — | | | — | | | — | | | — | | | — | | | — | | | | | | | | | | | | | | | | | | DSM | 24 | | | 17 | | | — | | | — | | | 10 | | | 7 | | | 14 | | | 10 | | | | | | | | | | | | | | | | | | Revenue decoupling mechanism | 42 | | | 10 | | | — | | | — | | | — | | | — | | | — | | | — | | Gas cost recovery | 21 | | | — | | | — | | | — | | | — | | | — | | | — | | | — | | | | | | | | | | | | | | | | | | Other | 26 | | | 35 | | | 8 | | | 5 | | | 1 | | | 1 | | | 7 | | | 6 | | Total current regulatory liabilities | $ | 273 | | | $ | 223 | | | $ | 62 | | | $ | 57 | | | $ | 15 | | | $ | 14 | | | $ | 23 | | | $ | 22 | | | | | | | | | | | | | | | | | | Noncurrent Regulatory Liabilities: | | | | | | | | | | | | | | | | Accumulated cost of removal of utility plant | $ | 1,038 | | | $ | 1,022 | | | $ | — | | | $ | — | | | $ | 324 | | | $ | 314 | | | $ | 410 | | | $ | 408 | | | | | | | | | | | | | | | | | | Net deferred taxes | 1,851 | | | 1,899 | | | 721 | | | 739 | | | 428 | | | 439 | | | 484 | | | 498 | | Defined benefit plans | 307 | | | 294 | | | 110 | | | 100 | | | 24 | | | 24 | | | 66 | | | 65 | | Terminated interest rate swaps | 52 | | | 54 | | | — | | | — | | | 26 | | | 27 | | | 26 | | | 27 | | Energy efficiency | 30 | | | 16 | | | — | | | — | | | — | | | — | | | — | | | — | | Other | 57 | | | 50 | | | — | | | — | | | 11 | | | 11 | | | 17 | | | 11 | | Total noncurrent regulatory liabilities | $ | 3,335 | | | $ | 3,335 | | | $ | 831 | | | $ | 839 | | | $ | 813 | | | $ | 815 | | | $ | 1,003 | | | $ | 1,009 | |
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