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REGULATION (Tables) | 9 Months Ended
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Jun. 30, 2023
Regulated Operations [Abstract] |
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, 2023 | September 30, 2022
Regulatory assets-current |  |
New Jersey Clean Energy Program | $ | 17,943 |  | $ | 15,697 |
Conservation Incentive Program | 52,115 |  | 23,099 |
Derivatives at fair value, net | 24,228 |  | — |
Other current regulatory assets | 1,461 |  | 1,290 |
Total current regulatory assets | $ | 95,747 |  | $ | 40,086 |
Regulatory assets-noncurrent |  |
Environmental remediation costs: |  |
Expended, net of recoveries | $ | 63,841 |  | $ | 66,149 |
Liability for future expenditures | 123,070 |  | 127,070 |
Deferred income taxes | 41,885 |  | 40,520 |
SAVEGREEN | 72,507 |  | 52,690 |
Postemployment and other benefit costs | 55,878 |  | 56,021 |
Deferred storm damage costs | 543 |  | 2,172 |
Cost of removal | 121,147 |  | 104,850 |
Other noncurrent regulatory assets | 43,987 |  | 45,828 |
Total noncurrent regulatory assets | $ | 522,858 |  | $ | 495,300 |
Regulatory liability-current |  |
Overrecovered natural gas costs | $ | 26,717 |  | $ | 17,807 |
Derivatives at fair value, net | 57 |  | 7,972 |
Total current regulatory liabilities | $ | 26,774 |  | $ | 25,779 |
Regulatory liabilities-noncurrent |  |
Tax Act impact (1) | $ | 181,602 |  | $ | 185,367 |
Derivatives at fair value, net | 91 |  | 116 |
Other noncurrent regulatory liabilities | 121 |  | 151 |
Total noncurrent regulatory liabilities | $ | 181,814 |  | $ | 185,634 |
(1)Reflects the re-measurement and subsequent amortization of NJNG's net deferred tax liabilities as a result of the change in federal tax rates enacted in the Tax Act. The Tax Act is an Act to Provide for Reconciliation Pursuant to Titles II and V of the Concurrent Resolution on the Budget for Fiscal Year 2018, previously known as The Tax Cuts and Jobs Act of 2017. Regulatory assets and liabilities included on the Unaudited Condensed Consolidated Balance Sheets for Adelphia Gateway are comprised of the following:
(Thousands) | June 30, 2023 | September 30, 2022
Total noncurrent regulatory assets | $ | 5,256 |  | $ | 5,366 |
Total current regulatory liabilities | $ | 927 |  | $ | 5,311 |
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, 2023 | September 30, 2022
Regulatory assets-current |  |
New Jersey Clean Energy Program | $ | 17,943 |  | $ | 15,697 |
Conservation Incentive Program | 52,115 |  | 23,099 |
Derivatives at fair value, net | 24,228 |  | — |
Other current regulatory assets | 1,461 |  | 1,290 |
Total current regulatory assets | $ | 95,747 |  | $ | 40,086 |
Regulatory assets-noncurrent |  |
Environmental remediation costs: |  |
Expended, net of recoveries | $ | 63,841 |  | $ | 66,149 |
Liability for future expenditures | 123,070 |  | 127,070 |
Deferred income taxes | 41,885 |  | 40,520 |
SAVEGREEN | 72,507 |  | 52,690 |
Postemployment and other benefit costs | 55,878 |  | 56,021 |
Deferred storm damage costs | 543 |  | 2,172 |
Cost of removal | 121,147 |  | 104,850 |
Other noncurrent regulatory assets | 43,987 |  | 45,828 |
Total noncurrent regulatory assets | $ | 522,858 |  | $ | 495,300 |
Regulatory liability-current |  |
Overrecovered natural gas costs | $ | 26,717 |  | $ | 17,807 |
Derivatives at fair value, net | 57 |  | 7,972 |
Total current regulatory liabilities | $ | 26,774 |  | $ | 25,779 |
Regulatory liabilities-noncurrent |  |
Tax Act impact (1) | $ | 181,602 |  | $ | 185,367 |
Derivatives at fair value, net | 91 |  | 116 |
Other noncurrent regulatory liabilities | 121 |  | 151 |
Total noncurrent regulatory liabilities | $ | 181,814 |  | $ | 185,634 |
(1)Reflects the re-measurement and subsequent amortization of NJNG's net deferred tax liabilities as a result of the change in federal tax rates enacted in the Tax Act. The Tax Act is an Act to Provide for Reconciliation Pursuant to Titles II and V of the Concurrent Resolution on the Budget for Fiscal Year 2018, previously known as The Tax Cuts and Jobs Act of 2017. Regulatory assets and liabilities included on the Unaudited Condensed Consolidated Balance Sheets for Adelphia Gateway are comprised of the following:
(Thousands) | June 30, 2023 | September 30, 2022
Total noncurrent regulatory assets | $ | 5,256 |  | $ | 5,366 |
Total current regulatory liabilities | $ | 927 |  | $ | 5,311 |

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