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v3.19.3.a.u2

Utility Rate Regulation (Tables) | 12 Months Ended
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Dec. 31, 2019
Regulated Operations [Line Items] |
Regulatory Assets and Liabilities | The following table provides information about the regulatory assets and liabilities of cost-based rate-regulated utility operations at December 31:
| PPL |  | PPL Electric
| 2019 |  | 2018 |  | 2019 |  | 2018
Current Regulatory Assets: |  |  |  |  |  |  |
Gas supply clause | $ | 8 |  |  | $ | 12 |  |  | $ | — |  |  | $ | — |
Smart meter rider | 13 |  |  | 11 |  |  | 13 |  |  | 11 |
Plant outage costs | 32 |  |  | 10 |  |  | — |  |  | — |
Transmission formula rate | — |  |  | — |  |  | 3 |  |  | — |
Transmission service charge | 10 |  |  | — |  |  | 10 |  |  | — |
Other | 4 |  |  | 3 |  |  | — |  |  | — |
Total current regulatory assets (a) | $ | 67 |  |  | $ | 36 |  |  | $ | 26 |  |  | $ | 11 |
Noncurrent Regulatory Assets: |  |  |  |  |  |  |
Defined benefit plans | $ | 800 |  |  | $ | 963 |  |  | $ | 467 |  |  | $ | 558 |
Storm costs | 39 |  |  | 56 |  |  | 15 |  |  | 22 |
Unamortized loss on debt | 41 |  |  | 45 |  |  | 18 |  |  | 22 |
Interest rate swaps | 22 |  |  | 20 |  |  | — |  |  | — |
Terminated interest rate swaps | 81 |  |  | 87 |  |  | — |  |  | — |
Accumulated cost of removal of utility plant | 220 |  |  | 200 |  |  | 220 |  |  | 200 |
AROs | 279 |  |  | 273 |  |  | — |  |  | — |
Act 129 compliance rider | 6 |  |  | 19 |  |  | 6 |  |  | 19 |
Other | 4 |  |  | 10 |  |  | — |  |  | 3 |
Total noncurrent regulatory assets | $ | 1,492 |  |  | $ | 1,673 |  |  | $ | 726 |  |  | $ | 824 |
| PPL |  | PPL Electric
| 2019 |  | 2018 |  | 2019 |  | 2018
Current Regulatory Liabilities: |  |  |  |  |  |  |
Generation supply charge | $ | 23 |  |  | $ | 33 |  |  | $ | 23 |  |  | $ | 33 |
Transmission service charge | — |  |  | — |  |  | — |  |  | 3 |
Environmental cost recovery | 5 |  |  | 16 |  |  | — |  |  | — |
Universal service rider | 9 |  |  | 27 |  |  | 9 |  |  | 27 |
Transmission formula rate | — |  |  | — |  |  | — |  |  | 3 |
Fuel adjustment clause | 8 |  |  | — |  |  | — |  |  | — |
TCJA customer refund | 61 |  |  | 20 |  |  | 59 |  |  | 3 |
Storm damage expense rider | 5 |  |  | 5 |  |  | 5 |  |  | 5 |
Generation formula rate | 1 |  |  | 7 |  |  | — |  |  | — |
Other | 3 |  |  | 14 |  |  | — |  |  | — |
Total current regulatory liabilities | $ | 115 |  |  | $ | 122 |  |  | $ | 96 |  |  | $ | 74 |
Noncurrent Regulatory Liabilities: |  |  |  |  |  |  |
Accumulated cost of removal of utility plant | $ | 640 |  |  | $ | 674 |  |  | $ | — |  |  | $ | — |
Power purchase agreement - OVEC | 51 |  |  | 59 |  |  | — |  |  | — |
Net deferred taxes | 1,756 |  |  | 1,826 |  |  | 588 |  |  | 629 |
Defined benefit plans | 51 |  |  | 37 |  |  | 11 |  |  | 5 |
Terminated interest rate swaps | 68 |  |  | 72 |  |  | — |  |  | — |
TCJA customer refund | — |  |  | 41 |  |  | — |  |  | 41 |
Other | 6 |  |  | 5 |  |  | — |  |  | — |
Total noncurrent regulatory liabilities | $ | 2,572 |  |  | $ | 2,714 |  |  | $ | 599 |  |  | $ | 675 |
| LKE |  | LG&E |  | KU
| 2019 |  | 2018 |  | 2019 |  | 2018 |  | 2019 |  | 2018
Current Regulatory Assets: |  |  |  |  |  |  |  |  |  |  |
Plant outage costs | $ | 32 |  |  | $ | 10 |  |  | $ | 16 |  |  | $ | 7 |  |  | $ | 16 |  |  | $ | 3 |
Gas supply clause | 8 |  |  | 12 |  |  | 8 |  |  | 12 |  |  | — |  |  | — |
Other | 1 |  |  | 3 |  |  | 1 |  |  | 2 |  |  | — |  |  | 1 |
Total current regulatory assets | $ | 41 |  |  | $ | 25 |  |  | $ | 25 |  |  | $ | 21 |  |  | $ | 16 |  |  | $ | 4 |
Noncurrent Regulatory Assets: |  |  |  |  |  |  |  |  |  |  |
Defined benefit plans | $ | 333 |  |  | $ | 405 |  |  | $ | 206 |  |  | $ | 249 |  |  | $ | 127 |  |  | $ | 156 |
Storm costs | 24 |  |  | 34 |  |  | 14 |  |  | 20 |  |  | 10 |  |  | 14 |
Unamortized loss on debt | 23 |  |  | 23 |  |  | 14 |  |  | 15 |  |  | 9 |  |  | 8 |
Interest rate swaps | 22 |  |  | 20 |  |  | 22 |  |  | 20 |  |  | — |  |  | — |
Terminated interest rate swaps | 81 |  |  | 87 |  |  | 47 |  |  | 51 |  |  | 34 |  |  | 36 |
AROs | 279 |  |  | 273 |  |  | 76 |  |  | 75 |  |  | 203 |  |  | 198 |
Other | 4 |  |  | 7 |  |  | 1 |  |  | 1 |  |  | 3 |  |  | 6 |
Total noncurrent regulatory assets | $ | 766 |  |  | $ | 849 |  |  | $ | 380 |  |  | $ | 431 |  |  | $ | 386 |  |  | $ | 418 |
| LKE |  | LG&E |  | KU
| 2019 |  | 2018 |  | 2019 |  | 2018 |  | 2019 |  | 2018
Current Regulatory Liabilities: |  |  |  |  |  |  |  |  |  |  |
Environmental cost recovery | $ | 5 |  |  | $ | 16 |  |  | $ | 1 |  |  | $ | 6 |  |  | $ | 4 |  |  | $ | 10 |
Fuel adjustment clauses | 8 |  |  | — |  |  | — |  |  | — |  |  | 8 |  |  | — |
TCJA customer refund | 2 |  |  | 17 |  |  | — |  |  | 7 |  |  | 2 |  |  | 10 |
Generation formula rate | 1 |  |  | 7 |  |  | — |  |  | — |  |  | 1 |  |  | 7 |
Other | 3 |  |  | 8 |  |  | 1 |  |  | 4 |  |  | 2 |  |  | 4 |
Total current regulatory liabilities | $ | 19 |  |  | $ | 48 |  |  | $ | 2 |  |  | $ | 17 |  |  | $ | 17 |  |  | $ | 31 |
Noncurrent Regulatory Liabilities: |  |  |  |  |  |  |  |  |  |  |
Accumulated cost of removal of utility plant | $ | 640 |  |  | $ | 674 |  |  | $ | 266 |  |  | $ | 279 |  |  | $ | 374 |  |  | $ | 395 |
Power purchase agreement - OVEC | 51 |  |  | 59 |  |  | 35 |  |  | 41 |  |  | 16 |  |  | 18 |
Net deferred taxes | 1,168 |  |  | 1,197 |  |  | 544 |  |  | 557 |  |  | 624 |  |  | 640 |
Defined benefit plans | 40 |  |  | 32 |  |  | — |  |  | — |  |  | 40 |  |  | 32 |
Terminated interest rate swaps | 68 |  |  | 72 |  |  | 34 |  |  | 36 |  |  | 34 |  |  | 36 |
Other | 6 |  |  | 5 |  |  | 4 |  |  | 2 |  |  | 2 |  |  | 3 |
Total noncurrent regulatory liabilities | $ | 1,973 |  |  | $ | 2,039 |  |  | $ | 883 |  |  | $ | 915 |  |  | $ | 1,090 |  |  | $ | 1,124 |
(a) For PPL, these amounts are included in "Other current assets" on the Balance Sheets.

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- Definition Tabular disclosure of assets and liabilities that are created when regulatory agencies permit public utilities to defer certain costs included in rate-setting to the balance sheet. + References No definition available. + Details
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