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Derivative Instruments and Hedging Activities - Hedged Volume of Derivative Transactions (Details) | Mar. 31, 2024 gal MWh MW MMBTU
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Electric Energy (MWh) |
Derivatives, Fair Value [Line Items] |
Notional amount | MWh | 31,374,625
Capacity (MW) |
Derivatives, Fair Value [Line Items] |
Notional amount | MW | 42,600
Natural Gas (Dt) |
Derivatives, Fair Value [Line Items] |
Notional amount | MMBTU | 296,190,000
Refined Fuels (gallons) |
Derivatives, Fair Value [Line Items] |
Notional amount | gal | 4,032,000
CECONY | Electric Energy (MWh) | Subsidiaries |
Derivatives, Fair Value [Line Items] |
Notional amount | MWh | 28,801,875
CECONY | Capacity (MW) | Subsidiaries |
Derivatives, Fair Value [Line Items] |
Notional amount | MW | 33,600
CECONY | Natural Gas (Dt) | Subsidiaries |
Derivatives, Fair Value [Line Items] |
Notional amount | MMBTU | 278,560,000
CECONY | Refined Fuels (gallons) | Subsidiaries |
Derivatives, Fair Value [Line Items] |
Notional amount | gal | 4,032,000

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