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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, 2020 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%
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 2017 [Member] |
Long-term Purchase Commitment [Line Items] |
Load (MW) | MW | 2,800
Dollars Per Megawatt Hour | $ / MWh | 90.78
Public Service Electric and Gas Company [Member] | Auction Year 2018 [Member] |
Long-term Purchase Commitment [Line Items] |
Dollars Per Megawatt-Day | $ / mwd | 281.78
Load (MW) | MW | 2,900
Dollars Per Megawatt Hour | $ / MWh | 91.77
Public Service Electric and Gas Company [Member] | Auction Year 2019 [Member] |
Long-term Purchase Commitment [Line Items] |
Dollars Per Megawatt-Day | $ / mwd | 359.98
Load (MW) | MW | 2,800
Dollars Per Megawatt Hour | $ / MWh | 98.04
Public Service Electric and Gas Company [Member] | Auction Year 2020 [Member] |
Long-term Purchase Commitment [Line Items] |
Load (MW) | MW | 2,800
Dollars Per Megawatt Hour | $ / MWh | 102.16

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