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Derivative Instruments and Hedging Activities - Hedged Volume of Derivative Transactions (Details) | Dec. 31, 2024 MWh gal MW MMBTU
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Electric Energy |
Derivatives, Fair Value [Line Items] |
Notional amount | MWh | 33,303,430
Capacity |
Derivatives, Fair Value [Line Items] |
Notional amount | MW | 31,500
Natural Gas |
Derivatives, Fair Value [Line Items] |
Notional amount | MMBTU | 313,300,000
Refined Fuels |
Derivatives, Fair Value [Line Items] |
Notional amount | gal | 3,780,000
CECONY | Electric Energy |
Derivatives, Fair Value [Line Items] |
Notional amount | MWh | 30,466,200
CECONY | Capacity |
Derivatives, Fair Value [Line Items] |
Notional amount | MW | 24,000
CECONY | Natural Gas |
Derivatives, Fair Value [Line Items] |
Notional amount | MMBTU | 292,340,000
CECONY | Refined Fuels |
Derivatives, Fair Value [Line Items] |
Notional amount | gal | 3,780,000

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