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OTHER CONTINGENCIES AND COMMITMENTS (Tables) | 12 Months Ended
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Dec. 31, 2022
Commitments and Contingencies Disclosure [Abstract] |
Schedule of Environmental Remediation Liability | The Utility’s environmental remediation liability is primarily included in non-current liabilities on the Consolidated Balance Sheets and is comprised of the following:
| Balance at
(in millions) | December 31, 2022 |  | December 31, 2021
Topock natural gas compressor station | $ | 284 |  |  | $ | 299 |
Hinkley natural gas compressor station | 110 |  |  | 123 |
Former MGP sites owned by the Utility or third parties (1) | 750 |  |  | 667 |
Utility-owned generation facilities (other than fossil fuel-fired), other facilities, and third-party disposal sites (2) | 112 |  |  | 104 |
Fossil fuel-fired generation facilities and sites (3) | 26 |  |  | 70 |
Total environmental remediation liability | $ | 1,282 |  |  | $ | 1,263 |
(1) Primarily driven by the following sites: San Francisco Beach Street, Vallejo, Napa, and San Francisco East Harbor. (2) Primarily driven by geothermal landfill and Shell Pond site. (3) Primarily driven by the San Francisco Potrero Power Plant.
Schedule of Undiscounted Future Expected Power Purchase Agreement Payments | The following table shows the undiscounted future expected obligations under power purchase agreements that have been approved by the CPUC and have met specified construction milestones as well as undiscounted future expected payment obligations for natural gas supplies, natural gas transportation, natural gas storage, and nuclear fuel as of December 31, 2022:
| Power Purchase Agreements |  |  |  |  |  |
(in millions) | Renewable Energy |  | Conventional Energy |  | Other |  | Natural Gas |  | Nuclear Fuel |  | Total
2023 | $ | 2,081 |  |  | $ | 482 |  |  | $ | 60 |  |  | $ | 1,746 |  |  | $ | 47 |  |  | $ | 4,416 |
2024 | 2,052 |  |  | 378 |  |  | 61 |  |  | 195 |  |  | 11 |  |  | 2,697 |
2025 | 2,040 |  |  | 715 |  |  | 61 |  |  | 140 |  |  | — |  |  | 2,956 |
2026 | 1,980 |  |  | 663 |  |  | 21 |  |  | 129 |  |  | — |  |  | 2,793 |
2027 | 1,919 |  |  | 579 |  |  | 7 |  |  | 53 |  |  | — |  |  | 2,558 |
Thereafter | 17,807 |  |  | 1,565 |  |  | 13 |  |  | — |  |  | — |  |  | 19,385 |
Total purchase commitments | $ | 27,879 |  |  | $ | 4,382 |  |  | $ | 223 |  |  | $ | 2,263 |  |  | $ | 58 |  |  | $ | 34,805 |
Schedule of Other Commitments | At December 31, 2022, the future minimum payments related to these commitments were as follows:
(in millions) | Other Commitments
2023 | $ | 88 |
2024 | 85 |
2025 | 83 |
2026 | 81 |
2027 | 80 |
Thereafter | 3,518 |
Total minimum lease payments | $ | 3,935 |

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- Definition Tabular disclosure of key provisions of an arrangement under which the entity has agreed to purchase goods or services over a period of time greater than one year or the normal operating cycle, if longer, including the item for which expenditures will be made, minimum quantities, milestones, time period and committed amount. + References No definition available. + Details
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