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REGULATORY MATTERS - Maryland (Details) - PE - Maryland $ in Millions | Dec. 29, 2023 USD ($) | Aug. 01, 2023 USD ($) | Mar. 22, 2023
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Regulatory Matters [Line Items] |  |  |
Incremental energy savings goal per year (percent) |  |  | 0.20%
Incremental energy savings goal thereafter (percent) |  |  | 2.00%
2021-2023 EmPOWER Program Cycle |  |  |
Regulatory Matters [Line Items] |  |  |
Amortization period |  |  | 5 years
2024-2026 EmPOWER Program Cycle |  |  |
Regulatory Matters [Line Items] |  |  |
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 |
Recovery period for expenditures for cost recovery program |  | 3 years |
Public utilities, requested year one |  | $ 310 |
Public utilities, requested year two |  | 354 |
Public utilities, requested year three |  | $ 510 |
Approved amount of annual increase | $ 310 |  |

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