CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Dec. 31, 2016	Sep. 30, 2016
PROPERTY, PLANT AND EQUIPMENT
Utility plant, at cost	$ 2,123,926	$ 2,107,375
Construction work in progress	131,576	122,268
Solar and wind equipment, real estate properties and other, at cost	747,788	631,696
Construction work in progress	5,903	93,791
Total property, plant and equipment	3,009,193	2,955,130
Accumulated depreciation and amortization, utility plant	(470,444)	(467,702)
Accumulated depreciation and amortization, solar and wind equipment, real estate properties and other	(87,000)	(79,776)
Property, plant and equipment, net	2,451,749	2,407,652
CURRENT ASSETS
Cash and cash equivalents	46,875	37,546
Customer accounts receivable
Billed	252,755	142,658
Unbilled revenues	47,648	5,744
Allowance for doubtful accounts	(4,916)	(4,865)
Regulatory assets	43,140	54,286
Gas in storage, at average cost	220,097	206,251
Materials and supplies, at average cost	10,886	10,778
Prepaid and accrued taxes	26,391	34,179
Derivatives, at fair value	50,215	29,964
Restricted broker margin accounts	79,118	47,644
Asset held for sale	7,660	7,660
Other	35,194	35,419
Total current assets	815,063	607,264
NONCURRENT ASSETS
Investments in equity method investees	145,169	141,148
Regulatory assets	408,481	441,294
Derivatives, at fair value	3,660	5,227
Available for sale securities	64,447	55,789
Other	60,937	60,196
Total noncurrent assets	682,694	703,654
Total assets	3,949,506	3,718,570
CAPITALIZATION
Common stock, $2.50 par value; authorized 150,000,000 shares; outstanding December 31, 2016 — 86,196,239; September 30, 2016 — 86,086,355	222,153	221,654
Premium on common stock	218,476	215,580
Accumulated other comprehensive (loss), net of tax	(9,323)	(15,155)
Treasury stock at cost and other; shares December 31, 2016 — 2,664,765; September 30, 2016 — 2,575,139	(84,450)	(81,044)
Retained earnings	838,505	825,556
Common stock equity	1,185,361	1,166,591
Long-term debt	1,026,682	1,055,038
Total capitalization	2,212,043	2,221,629
CURRENT LIABILITIES
Current maturities of long-term debt	96,832	61,452
Short-term debt	284,600	121,700
Gas purchases payable	187,219	139,452
Gas purchases payable to related parties	1,155	1,150
Accounts payable and other	72,776	107,184
Dividends payable	21,980	21,975
Accrued taxes	1,246	1,080
Regulatory liabilities	12,120	9,469
New Jersey clean energy program	13,180	14,232
Derivatives, at fair value	93,080	61,080
Restricted broker margin accounts	5,294	0
Customers' credit balances and deposits	33,450	32,834
Total current liabilities	822,932	571,608
NONCURRENT LIABILITIES
Deferred income taxes	490,017	473,847
Deferred investment tax credits	4,538	4,619
Deferred gain	28,317	28,519
Derivatives, at fair value	4,527	25,252
Manufactured gas plant remediation	168,506	172,000
Postemployment employee benefit liability	140,978	141,604
Regulatory liabilities	38,726	41,411
Asset retirement obligation	29,664	28,379
Other	9,258	9,702
Total noncurrent liabilities	914,531	925,333
Commitments and contingent liabilities (Note 12)
Total capitalization and liabilities	$ 3,949,506	$ 3,718,570