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Commitments And Contingent Liabilities (Basic Generation Service (BGS) And Basic Gas Supply Service (BGSS)) (Detail) cf in Billions | 3 Months Ended
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Mar. 31, 2024 USD ($) cf $ / MWh $ / mwd MW
Long-term Purchase Commitment [Line Items] |  |
Number of cubic feet in gas hedging permitted to be recovered by BPU | cf | 115 |
Percentage of residential gas supply permitted to be recovered in gas hedging by BPU | 80.00% |
Number Of Cubic Feet To Be Hedged | cf | 70 |
Percentage of annual residential gas supply requirements to be hedged | 50.00% |
Public Service Electric and Gas Company [Member] |  |
Long-term Purchase Commitment [Line Items] |  |
ZEC Charge per kwh | $ | $ 0.004 |
Public Service Electric and Gas Company [Member] | Auction Year 2021 |  |
Long-term Purchase Commitment [Line Items] |  |
Load (MW) | MW | 2,900 |
Dollars Per Megawatt Hour | $ / MWh | 64.80 |
Public Service Electric and Gas Company [Member] | Auction Year 2022 |  |
Long-term Purchase Commitment [Line Items] |  |
Load (MW) | MW | 2,800 |
Dollars Per Megawatt Hour | $ / MWh | 76.30 |
Public Service Electric and Gas Company [Member] | Auction Year 2023 |  |
Long-term Purchase Commitment [Line Items] |  |
Dollars Per Megawatt-Day | $ / mwd | 330.72 |
Load (MW) | MW | 2,800 |
Dollars Per Megawatt Hour | $ / MWh | 93.11 |
Public Service Electric and Gas Company [Member] | Auction Year 2024 |  |
Long-term Purchase Commitment [Line Items] |  |
Dollars Per Megawatt-Day | $ / mwd | 378.21 |
Load (MW) | MW | 2,900 |
Dollars Per Megawatt Hour | $ / MWh | 80.88 | [1]
[1] | Prices set in the 2024 BGS auction will become effective on June 1, 2024 when the 2021 BGS auction agreements expire.

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