v3.26.1
REGULATION (Tables)
9 Months Ended
Jun. 30, 2026
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,
2026
September 30,
2025
Regulatory assets-current
New Jersey Clean Energy Program$14,588 $17,171 
Conservation Incentive Program 22,697 
Derivatives at fair value, net15,530 7,544 
Other current regulatory assets1,615 1,486 
Total current regulatory assets$31,733 $48,898 
Regulatory assets-noncurrent
Environmental remediation costs:
Expended, net of recoveries$60,694 $74,961 
Liability for future expenditures165,170 166,990 
Deferred income taxes49,300 46,013 
SAVEGREEN148,087 141,562 
Postemployment and other benefit costs42,560 41,275 
Cost of removal126,975 132,895 
Other noncurrent regulatory assets52,361 63,612 
Total noncurrent regulatory assets$645,147 $667,308 
Regulatory liability-current
Overrecovered natural gas costs$45,310 $10,643 
Conservation Incentive Program22,826 — 
Total current regulatory liabilities$68,136 $10,643 
Regulatory liabilities-noncurrent
Tax Act impact$166,545 $170,309 
Other noncurrent regulatory liabilities858 868 
Total noncurrent regulatory liabilities$167,403 $171,177 

Regulatory assets and liabilities included on the Unaudited Condensed Consolidated Balance Sheets for Adelphia are comprised of the following:
(Thousands)June 30,
2026
September 30,
2025
Total current regulatory assets$496 $— 
Total noncurrent regulatory assets$4,958 $5,210 
Total current regulatory liabilities$1,946 $2,241 
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,
2026
September 30,
2025
Regulatory assets-current
New Jersey Clean Energy Program$14,588 $17,171 
Conservation Incentive Program 22,697 
Derivatives at fair value, net15,530 7,544 
Other current regulatory assets1,615 1,486 
Total current regulatory assets$31,733 $48,898 
Regulatory assets-noncurrent
Environmental remediation costs:
Expended, net of recoveries$60,694 $74,961 
Liability for future expenditures165,170 166,990 
Deferred income taxes49,300 46,013 
SAVEGREEN148,087 141,562 
Postemployment and other benefit costs42,560 41,275 
Cost of removal126,975 132,895 
Other noncurrent regulatory assets52,361 63,612 
Total noncurrent regulatory assets$645,147 $667,308 
Regulatory liability-current
Overrecovered natural gas costs$45,310 $10,643 
Conservation Incentive Program22,826 — 
Total current regulatory liabilities$68,136 $10,643 
Regulatory liabilities-noncurrent
Tax Act impact$166,545 $170,309 
Other noncurrent regulatory liabilities858 868 
Total noncurrent regulatory liabilities$167,403 $171,177 

Regulatory assets and liabilities included on the Unaudited Condensed Consolidated Balance Sheets for Adelphia are comprised of the following:
(Thousands)June 30,
2026
September 30,
2025
Total current regulatory assets$496 $— 
Total noncurrent regulatory assets$4,958 $5,210 
Total current regulatory liabilities$1,946 $2,241