COMMITMENTS AND CONTINGENT LIABILITIES (Tables)

9 Months Ended

Jun. 30, 2011

Commitments and Contingencies Disclosure [Abstract]

Long-term Purchase Commitment [Text Block]

Commitments as of June 30, 2011, for natural gas purchases and future demand fees for the next five fiscal year periods are as follows:

(Thousands)	2011		2012		2013		2014		2015		Thereafter
NJRES:
Natural gas purchases	$	268,965	$	347,341	$	69,619	$	—	$	—	$	—
Storage demand fees	10,046		31,140		17,399		11,494		7,207		11,924
Pipeline demand fees	12,842		42,859		21,550		8,680		7,195		21,432
Sub-total NJRES	$	291,853	$	421,340	$	108,568	$	20,174	$	14,402	$	33,356
NJNG:
Natural gas purchases	$	40,809	$	6,928	$	—	$	—	$	—	$	—
Storage demand fees	7,804		31,208		29,920		24,153		14,999		44,340
Pipeline demand fees	16,309		76,809		76,966		71,821		35,182		228,661
Sub-total NJNG	$	64,922	$	114,945	$	106,886	$	95,974	$	50,181	$	273,001
Total (1)	$	356,775	$	536,285	$	215,454	$	116,148	$	64,583	$	306,357

(1)    Does not include amounts related to intercompany asset management agreements between NJRES and NJNG.

Schedule of Storage and Pipelin Demand Fees included in Gas Purchases [Text Block]

Costs for storage and pipeline demand fees, included as a component of gas purchases on the Unaudited Condensed Consolidated Statements of Operations, are as follows:

	Three Months Ended				Nine Months Ended
	June 30,				June 30,
(Millions)	2011		2010		2011		2010
NJRES	$	25.8	$	22.6	$	84.9	$	82.4
NJNG	24.1		25.3		75.0		73.6
Total	$	49.9	$	47.9	$	159.9	$	156.0