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Derivative Instruments and Hedging Activities - Hedged Volume of Derivative Transactions (Details) | Jun. 30, 2024 gal MW MWh MMBTU
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Electric Energy (MWh) |
Derivatives, Fair Value [Line Items] |
Notional amount | MWh | 36,200,145
Capacity (MW) |
Derivatives, Fair Value [Line Items] |
Notional amount | MW | 37,500
Natural Gas (Dt) |
Derivatives, Fair Value [Line Items] |
Notional amount | MMBTU | 315,730,000
Refined Fuels (gallons) |
Derivatives, Fair Value [Line Items] |
Notional amount | gal | 3,276,000
CECONY | Electric Energy (MWh) | Subsidiaries |
Derivatives, Fair Value [Line Items] |
Notional amount | MWh | 32,810,675
CECONY | Capacity (MW) | Subsidiaries |
Derivatives, Fair Value [Line Items] |
Notional amount | MW | 29,400
CECONY | Natural Gas (Dt) | Subsidiaries |
Derivatives, Fair Value [Line Items] |
Notional amount | MMBTU | 295,700,000
CECONY | Refined Fuels (gallons) | Subsidiaries |
Derivatives, Fair Value [Line Items] |
Notional amount | gal | 3,276,000

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