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REGULATION (Tables)

6 Months Ended

Mar. 31, 2017

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)	March 31, 2017			September 30, 2016
Regulatory assets-current
Conservation Incentive Program	$	23,834		$	36,957
New Jersey Clean Energy Program	6,239			14,232
Underrecovered gas costs	13,271			—
Derivatives at fair value, net	—			3,097
Total current regulatory assets	$	43,344		$	54,286
Regulatory assets-noncurrent
Environmental remediation costs
Expended, net of recoveries	$	19,067		$	19,595
Liability for future expenditures	165,849			172,000
Deferred income taxes	21,209			20,273
Derivatives at fair value, net	4,392			23,384
SAVEGREEN	15,604			25,208
Postemployment and other benefit costs	151,414			157,027
Deferred Superstorm Sandy costs	14,116			15,201
Other noncurrent regulatory assets	5,273			8,606
Total noncurrent regulatory assets	$	396,924		$	441,294
Regulatory liability-current
Derivatives at fair value, net	$	5,747		$	—
Overrecovered gas costs	—			9,469
Total current regulatory liabilities	$	5,747		$	9,469
Regulatory liabilities-noncurrent
Cost of removal obligation	$	17,224		$	30,549
New Jersey Clean Energy Program	10,269			10,657
Other noncurrent regulatory liabilities	964			205
Total noncurrent regulatory liabilities	$	28,457		$	41,411

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The entire disclosure for detailed information about regulatory assets and liabilities, including current and noncurrent assets created when regulatory agencies permit the deferral of costs to the balance sheet that would otherwise be required to appear on the company's income statement and would be charged against current expenses or revenues, as well as current and noncurrent liabilities created when regulatory agencies permit.

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