CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2018	Sep. 30, 2017
PROPERTY, PLANT AND EQUIPMENT
Utility plant, at cost	$ 2,318,091	$ 2,241,324
Construction work in progress	175,882	119,318
Solar and wind equipment, real estate properties and other, at cost	665,194	843,142
Construction work in progress	39,890	7,286
Total property, plant and equipment	3,199,057	3,211,070
Accumulated depreciation and amortization, utility plant	(510,242)	(489,122)
Accumulated depreciation and amortization, solar and wind equipment, real estate properties and other	(115,412)	(112,207)
Property, plant and equipment, net	2,573,403	2,609,741
CURRENT ASSETS
Cash and cash equivalents	1,070	2,226
Customer accounts receivable
Billed	201,104	196,467
Unbilled revenues	7,099	7,202
Allowance for doubtful accounts	(5,630)	(5,181)
Regulatory assets	21,456	50,791
Gas in storage, at average cost	136,284	202,063
Materials and supplies, at average cost	13,885	11,944
Prepaid and accrued taxes	47,017	24,764
Derivatives, at fair value	23,192	30,081
Restricted broker margin accounts	53,141	25,827
Assets held for sale	206,898	0
Other	31,377	33,260
Total current assets	736,893	579,444
NONCURRENT ASSETS
Investments in equity method investees	187,808	172,585
Regulatory assets	348,079	375,919
Derivatives, at fair value	11,886	9,164
Available for sale securities	25,009	65,752
Intangible assets, net	23,610	41,084
Other noncurrent assets	70,700	74,818
Total noncurrent assets	667,092	739,322
Total assets	3,977,388	3,928,507
CAPITALIZATION
Common stock, $2.50 par value; authorized 150,000,000 shares; outstanding June 30, 2018 — 88,211,744; September 30, 2017 — 86,555,507	226,189	222,258
Premium on common stock	274,138	219,696
Accumulated other comprehensive loss, net of tax	(15,880)	(3,256)
Treasury stock at cost and other; shares June 30, 2018 — 2,263,550; September 30, 2017 — 2,347,380	(80,405)	(70,039)
Retained earnings	1,045,920	867,984
Common stock equity	1,449,962	1,236,643
Long-term debt	1,220,166	997,080
Total capitalization	2,670,128	2,233,723
CURRENT LIABILITIES
Current maturities of long-term debt	40,527	165,375
Short-term debt	57,100	266,000
Gas purchases payable	188,158	160,115
Gas purchases payable to related parties	1,150	1,152
Accounts payable and other	97,874	96,878
Dividends payable	24,037	23,586
Accrued taxes	1,291	2,031
Regulatory liabilities	7,482	78
New Jersey Clean Energy Program	15,533	14,202
Derivatives, at fair value	43,398	46,544
Liabilities held for sale	4,182	0
Customers' credit balances and deposits	26,212	26,957
Total current liabilities	506,944	802,918
NONCURRENT LIABILITIES
Deferred income taxes	244,161	514,708
Deferred investment tax credits	4,055	4,297
Deferred gain	9,300	27,728
Derivatives, at fair value	21,604	11,330
Manufactured gas plant remediation	140,821	149,000
Postemployment employee benefit liability	130,968	128,888
Regulatory liabilities	211,431	14,507
Asset retirement obligation	28,574	31,420
Other	9,402	9,988
Total noncurrent liabilities	800,316	891,866
Commitments and contingent liabilities (Note 12)
Total capitalization and liabilities	$ 3,977,388	$ 3,928,507