ASSET RETIREMENT OBLIGATIONS (Tables)

12 Months Ended

Sep. 30, 2021

Asset Retirement Obligation Disclosure [Abstract]

Analysis of Change in ARO Liability

The following is an analysis of the change in the Company’s ARO for the fiscal years ended September 30:

	2021				2020
(Thousands)	NJNG		NJRCEV		NJNG		NJRCEV
Balance at October 1	$	29,280	$	4,444	$	26,944	$	4,102
Accretion	1,612		182		1,476		196
Additions	5,697		68		—		1,306
Change in estimated useful life	—		—		—		(1,160)
Change in assumptions	6,151		—		1,104		—
Retirements	(1,129)		—		(244)		—
Balance at period end	$	41,611	$	4,694	$	29,280	$	4,444

Schedule of Future Accretion

Accretion for the next five years, for the fiscal years ended September 30, is estimated to be as follows:

	Estimated
(Thousands)	Accretion
2022	$	2,012
2023	2,092
2024	2,174
2025	2,255
2026	2,339
Total	$	10,872