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REGULATORY MATTERS - Maryland (Details) - Maryland - PE $ in Millions |  |  |  |  |  |  | 9 Months Ended
--- | --- | --- | --- | --- | --- | --- | ---
Aug. 15, 2024 USD ($) | Jul. 01, 2024 USD ($) | Mar. 21, 2024 | Dec. 29, 2023 USD ($) | Oct. 19, 2023 | Aug. 01, 2023 USD ($) scenario | Sep. 30, 2024
Regulatory Matters [Line Items] |  |  |  |  |  |  |
Incremental energy savings goal per year (percent) |  |  |  |  | 0.20% |  |
Incremental energy savings goal thereafter (percent) |  |  |  |  | 2.00% |  |
Per Year 2022 Through 2024 |  |  |  |  |  |  |
Regulatory Matters [Line Items] |  |  |  |  |  |  |
Incremental energy savings goal thereafter (percent) |  |  | 2.00% |  |  |  |
Per Year 2025 |  |  |  |  |  |  |
Regulatory Matters [Line Items] |  |  |  |  |  |  |
Incremental energy savings goal thereafter (percent) |  |  | 2.25% |  |  |  |
Per Year 2027 |  |  |  |  |  |  |
Regulatory Matters [Line Items] |  |  |  |  |  |  |
Incremental energy savings goal thereafter (percent) |  |  | 2.50% |  |  |  |
2024-2026 EmPOWER Program Cycle |  |  |  |  |  |  |
Regulatory Matters [Line Items] |  |  |  |  |  |  |
Number of scenarios with projected costs submitted for cost recovery program | scenario |  |  |  |  |  | 3 |
Recovery period for expenditures for cost recovery program |  |  |  |  |  | 3 years |
Public utilities, requested year one |  |  |  |  |  | $ 311 |
Public utilities, requested year two |  |  |  |  |  | 354 |
Public utilities, requested year three |  |  |  |  |  | $ 510 |
Approved amount of annual increase |  |  |  | $ 311 |  |  |
Public utilities, GHG reduction targets | $ 314 |  |  |  |  |  |
Amortization period |  |  |  |  |  |  | 5 years
Public utilities, requested cost percentage, year one |  |  |  |  |  | 0.33 |
Public utilities, requested cost percentage, year two |  |  |  |  |  | 0.67 |
Public utilities, requested cost percentage, year three |  |  |  |  |  | 1 |
2024-2030 EmPOWER Program Cycle | Minimum |  |  |  |  |  |  |
Regulatory Matters [Line Items] |  |  |  |  |  |  |
Expected reduction to pre-tax return on programs |  | $ 25 |  |  |  |  |
2024-2030 EmPOWER Program Cycle | Maximum |  |  |  |  |  |  |
Regulatory Matters [Line Items] |  |  |  |  |  |  |
Expected reduction to pre-tax return on programs |  | $ 30 |  |  |  |  |

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