COMMITMENTS AND CONTINGENT LIABILITIES (Tables)

12 Months Ended

Sep. 30, 2023

Commitments and Contingencies Disclosure [Abstract]

Schedule of Commitments for Natural Gas Purchases and Future Demands Fees for the Next Five Years

Commitments as of September 30, 2023, for natural gas purchases and future demand fees for the next five fiscal year periods, are as follows:

(Thousands)	2024		2025		2026		2027		2028		Thereafter
ES:
Natural gas purchases	$	66,525	$	2,498	$	—	$	—	$	—	$	—
Storage demand fees	16,944		8,099		6,010		4,878		3,505		6,780
Pipeline demand fees	43,755		43,271		31,749		24,234		13,719		14,457
Sub-total ES	$	127,224	$	53,868	$	37,759	$	29,112	$	17,224	$	21,237
NJNG:
Natural gas purchases	$	23,952	$	—	$	—	$	—	$	—	$	—
Storage demand fees	42,469		30,673		14,975		10,163		5,084		—
Pipeline demand fees	155,875		155,559		134,555		128,651		113,998		966,963
Sub-total NJNG	$	222,296	$	186,232	$	149,530	$	138,814	$	119,082	$	966,963
Total	$	349,520	$	240,100	$	187,289	$	167,926	$	136,306	$	988,200