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REGULATION (Tables) | 9 Months Ended
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Jun. 30, 2025
Regulated Operations [Abstract] |
Schedule of Regulatory Assets | Regulatory assets and liabilities included on the Unaudited Condensed Consolidated Balance Sheets for NJNG are comprised of the following:
(Thousands) | June 30, 2025 | September 30, 2024
Regulatory assets-current |  |
New Jersey Clean Energy Program | $ | 18,688 |  | $ | 18,491 |
Conservation Incentive Program | 25,957 |  | 51,442 |
Derivatives at fair value, net | — |  | 1,363 |
Other current regulatory assets | 1,571 |  | 1,774 |
Total current regulatory assets | $ | 46,216 |  | $ | 73,070 |
Regulatory assets-noncurrent |  |
Environmental remediation costs: |  |
Expended, net of recoveries | $ | 70,512 |  | $ | 77,475 |
Liability for future expenditures | 155,861 |  | 161,650 |
Deferred income taxes | 44,516 |  | 42,595 |
SAVEGREEN | 122,996 |  | 107,796 |
Postemployment and other benefit costs | 26,541 |  | 23,772 |
Cost of removal | 132,494 |  | 130,885 |
Other noncurrent regulatory assets | 57,946 |  | 59,924 |
Total noncurrent regulatory assets | $ | 610,866 |  | $ | 604,097 |
Regulatory liability-current |  |
Overrecovered natural gas costs | $ | 12,561 |  | $ | 32,457 |
Derivatives at fair value, net | 13,054 |  | — |
Total current regulatory liabilities | $ | 25,615 |  | $ | 32,457 |
Regulatory liabilities-noncurrent |  |
Tax Act impact | $ | 171,564 |  | $ | 175,328 |
Derivatives at fair value, net | — |  | 404 |
Other noncurrent regulatory liabilities | 124 |  | 115 |
Total noncurrent regulatory liabilities | $ | 171,688 |  | $ | 175,847 |
Regulatory assets and liabilities included on the Unaudited Condensed Consolidated Balance Sheets for Adelphia are comprised of the following:
(Thousands) | June 30, 2025 | September 30, 2024
Total noncurrent regulatory assets | $ | 4,993 |  | $ | 5,095 |
Total current regulatory liabilities | $ | 3,537 |  | $ | 524 |
Schedule of Regulatory Liabilities | Regulatory assets and liabilities included on the Unaudited Condensed Consolidated Balance Sheets for NJNG are comprised of the following:
(Thousands) | June 30, 2025 | September 30, 2024
Regulatory assets-current |  |
New Jersey Clean Energy Program | $ | 18,688 |  | $ | 18,491 |
Conservation Incentive Program | 25,957 |  | 51,442 |
Derivatives at fair value, net | — |  | 1,363 |
Other current regulatory assets | 1,571 |  | 1,774 |
Total current regulatory assets | $ | 46,216 |  | $ | 73,070 |
Regulatory assets-noncurrent |  |
Environmental remediation costs: |  |
Expended, net of recoveries | $ | 70,512 |  | $ | 77,475 |
Liability for future expenditures | 155,861 |  | 161,650 |
Deferred income taxes | 44,516 |  | 42,595 |
SAVEGREEN | 122,996 |  | 107,796 |
Postemployment and other benefit costs | 26,541 |  | 23,772 |
Cost of removal | 132,494 |  | 130,885 |
Other noncurrent regulatory assets | 57,946 |  | 59,924 |
Total noncurrent regulatory assets | $ | 610,866 |  | $ | 604,097 |
Regulatory liability-current |  |
Overrecovered natural gas costs | $ | 12,561 |  | $ | 32,457 |
Derivatives at fair value, net | 13,054 |  | — |
Total current regulatory liabilities | $ | 25,615 |  | $ | 32,457 |
Regulatory liabilities-noncurrent |  |
Tax Act impact | $ | 171,564 |  | $ | 175,328 |
Derivatives at fair value, net | — |  | 404 |
Other noncurrent regulatory liabilities | 124 |  | 115 |
Total noncurrent regulatory liabilities | $ | 171,688 |  | $ | 175,847 |
Regulatory assets and liabilities included on the Unaudited Condensed Consolidated Balance Sheets for Adelphia are comprised of the following:
(Thousands) | June 30, 2025 | September 30, 2024
Total noncurrent regulatory assets | $ | 4,993 |  | $ | 5,095 |
Total current regulatory liabilities | $ | 3,537 |  | $ | 524 |

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