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v3.23.1

Derivative Accounting - Schedule of Gross Notional Amounts Outstanding (Details) - Commodity Contracts GWh in Thousands, Bcf in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2023 GWh Bcf | Dec. 31, 2022 GWh Bcf
Outstanding gross notional amount of derivatives |  |
Power | GWh | 1,664 | 1,197
Gas | Bcf | 194 | 149

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