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REGULATION - ADDITIONAL INFORMATION (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Sep. 30, 2022
Schedule of Regulatory Filings [Line Items] |  |
Regulatory assets | $ 495,849 | $ 500,666
NJNG |  |
Schedule of Regulatory Filings [Line Items] |  |
Regulatory assets | $ 3,900 | $ 6,900
Base Rate Stipulation |  |
Schedule of Regulatory Filings [Line Items] |  |
Weighted average cost of capital | 6.84% |
Approved return on equity | 9.60% |

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- Definition Carrying amount as of the balance sheet date of capitalized costs of regulated entities that are not expected to be recovered through revenue sources within one year or the normal operating cycle if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 340 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6499975&loc=d3e44250-110382 + Details
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