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Electricity and Gas Purchase Agreements (Tables) | 12 Months Ended
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Dec. 31, 2024
Regulated Operations [Abstract] |
Summary of Estimated Capacity and Other Fixed Payments | The future capacity and other fixed payments under the electricity and gas purchase agreements are estimated to be as follows:
(Millions of Dollars) | 2025 |  | 2026 |  | 2027 |  | 2028 |  | 2029 |  | All Years Thereafter
Con Edison |  |  |  |  |  |  |  |  |  |  |
Electricity power purchase agreements | $234 |  | $131 |  | $60 |  | $49 |  | $44 |  | $302
Natural gas | 383 |  | 11 |  | 8 |  | — |  | — |  | —
Gas transportation and storage | 510 |  | 497 |  | 450 |  | 376 |  | 212 |  | 2,390
CECONY |  |  |  |  |  |  |  |  |  |  |
Electricity power purchase agreements | 230 |  | 128 |  | 59 |  | 49 |  | 44 |  | 302
Natural gas | 331 |  | 10 |  | 7 |  | — |  | — |  | —
Gas transportation and storage | 445 |  | 434 |  | 394 |  | 329 |  | 185 |  | 2,083
Summary of Capacity, Energy and Other Fixed Payments | The company’s payments under the significant terms of the agreements for capacity, energy, gas transportation and storage, and other fixed payments in 2024, 2023 and 2022 were as follows:
| For the Years Ended December 31, |  |  |  |  |  |
(Millions of Dollars) | 2024 |  | 2023 |  | 2022 |  |  |  |  |  |
Con Edison |  |  |  |  |  |  |  |  |  |  |
Astoria Generating Company (a) | $75 |  | $40 |  | $45 |  |  |  |  |  |
Brooklyn Navy Yard (b) | 139 |  | 134 |  | 165 |  |  |  |  |  |
Gas Transportation and Storage (c) | 422 |  | 372 |  | 386 |  |  |  |  |  |
Total | $636 |  | $546 |  | $596 |  |  |  |  |  |
CECONY |  |  |  |  |  |  |  |  |  |  |
Astoria Generating Company (a) | $75 |  | $40 |  | $45 |  |  |  |  |  |
Brooklyn Navy Yard (b) | 139 |  | 134 |  | 165 |  |  |  |  |  |
Gas Transportation and Storage (c) | 372 |  | 327 |  | 340 |  |  |  |  |  |
Total | $586 |  | $501 |  | $550 |  |  |  |  |  |
(a) Capacity purchase agreements with terms ending in 2024 through 2028. (b) Contract for plant output, which started in 1996 and ends in 2036. (c) Contracts for various counterparties and terms extending through 2046.

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