REGULATION (Tables)

3 Months Ended

Dec. 31, 2016

Regulated Operations [Abstract]

Schedule of Regulatory Assets and Liabilities

Regulatory assets and liabilities included on the Unaudited Condensed Consolidated Balance Sheets are comprised of the following:

(Thousands)	December 31, 2016		September 30, 2016
Regulatory assets-current
Conservation Incentive Program	$	28,662	$	36,957
New Jersey Clean Energy Program	13,180		14,232
Underrecovered gas costs	1,298		—
Derivatives at fair value, net	—		3,097
Total current regulatory assets	$	43,140	$	54,286
Regulatory assets-noncurrent
Environmental remediation costs
Expended, net of recoveries	$	20,025	$	19,595
Liability for future expenditures	168,506		172,000
Deferred income taxes	20,599		20,273
Derivatives at fair value, net	2,702		23,384
SAVEGREEN	22,060		25,208
Postemployment and other benefit costs	154,221		157,027
Deferred Superstorm Sandy costs	14,659		15,201
Other noncurrent regulatory assets	5,709		8,606
Total noncurrent regulatory assets	$	408,481	$	441,294
Regulatory liability-current
Overrecovered gas costs	$	—	$	9,469
Derivatives at fair value, net	12,120		—
Total current regulatory liabilities	$	12,120	$	9,469
Regulatory liabilities-noncurrent
Cost of removal obligation	$	25,318	$	30,549
New Jersey Clean Energy Program	12,659		10,657
Other noncurrent regulatory liabilities	749		205
Total noncurrent regulatory liabilities	$	38,726	$	41,411