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v3.21.2

Rate Filings (Details) $ in Millions | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Jul. 31, 2021 | Jun. 30, 2021 USD ($) | May 31, 2021 USD ($) | Apr. 30, 2021 USD ($) | Dec. 31, 2020 USD ($) | Mar. 31, 2021
Regulatory Assets And Liabilities [Line Items] |  |  |  |  |  |
Regulatory Assets |  | $ 3,945.0 |  |  | $ 3,872.0 |
Public Service Electric and Gas Company [Member] |  |  |  |  |  |
Regulatory Assets And Liabilities [Line Items] |  |  |  |  |  |
Proposed BGSS rate per therm |  | 0.32 |  |  |  |
Regulatory Assets |  | $ 3,945.0 |  |  | 3,872.0 |
Approved BGSS rate per therm |  |  |  |  |  | 0.32
Public Service Electric and Gas Company [Member] | Gas Weather Normalization Deferral [Member] |  |  |  |  |  |
Regulatory Assets And Liabilities [Line Items] |  |  |  |  |  |
Public Utilities, Requested Rate Increase (Decrease), Amount |  | (2.0) |  |  |  |
Public Service Electric and Gas Company [Member] | COVID-19 Deferral - Bad Debt portion |  |  |  |  |  |
Regulatory Assets And Liabilities [Line Items] |  |  |  |  |  |
Regulatory Assets |  | 42.0 |  |  |  |
Public Service Electric and Gas Company [Member] | Gas System Modernization Program II [Member] |  |  |  |  |  |
Regulatory Assets And Liabilities [Line Items] |  |  |  |  |  |
Public Utilities, Approved Rate Increase (Decrease), Amount |  |  | $ 21.0 |  |  |
Public Utilities, Requested Rate Increase (Decrease), Amount |  | 34.0 |  |  |  |
Public Service Electric and Gas Company [Member] | Energy Strong II |  |  |  |  |  |
Regulatory Assets And Liabilities [Line Items] |  |  |  |  |  |
Public Utilities, Approved Rate Increase (Decrease), Amount |  |  |  | $ 13.0 |  |
Public Service Electric and Gas Company [Member] | Electric Green Program Recovery [Member] |  |  |  |  |  |
Regulatory Assets And Liabilities [Line Items] |  |  |  |  |  |
Public Utilities, Requested Rate Increase (Decrease), Amount |  | 2.0 |  |  |  |
Public Service Electric and Gas Company [Member] | Gas Green Program Recovery [Member] |  |  |  |  |  |
Regulatory Assets And Liabilities [Line Items] |  |  |  |  |  |
Public Utilities, Requested Rate Increase (Decrease), Amount |  | 2.0 |  |  |  |
Public Service Electric and Gas Company [Member] | Formula Rate True up |  |  |  |  |  |
Regulatory Assets And Liabilities [Line Items] |  |  |  |  |  |
Public Utilities, Approved Rate Increase (Decrease), Amount |  | 13.0 |  |  |  |
Public Service Electric and Gas Company [Member] | Community Solar Energy Pilot |  |  |  |  |  |
Regulatory Assets And Liabilities [Line Items] |  |  |  |  |  |
Public Utilities, Requested Rate Increase (Decrease), Amount |  |  | $ 0.4 |  |  |
COVID-19 deferrals [Member] | Public Service Electric and Gas Company [Member] |  |  |  |  |  |
Regulatory Assets And Liabilities [Line Items] |  |  |  |  |  |
Regulatory Assets |  | $ 82.0 |  |  |  |
Subsequent Event [Member] | Public Service Electric and Gas Company [Member] | Remediation Adjustment Charge [Member] |  |  |  |  |  |
Regulatory Assets And Liabilities [Line Items] |  |  |  |  |  |
Public Utilities, Approved Rate Increase (Decrease), Amount |  |  |  |  | $ 35.0 |
Subsequent Event [Member] | Public Service Electric and Gas Company [Member] | Transmission Formula Rate [Member] |  |  |  |  |  |
Regulatory Assets And Liabilities [Line Items] |  |  |  |  |  |
Public Utilities, Approved Return on Equity, Percentage | 11.18% |  |  |  |  |
Public Utilities, Requested Return on Equity, Percentage | 9.90% |  |  |  |  |

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