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CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands | Mar. 31, 2023 | Sep. 30, 2022
--- | --- | ---
PROPERTY, PLANT AND EQUIPMENT |  |
Utility plant, at cost | $ 3,682,509 | $ 3,576,691
Construction work in progress | 206,260 | 162,087
Nonutility plant and equipment, at cost | 1,739,074 | 1,577,259
Construction work in progress | 121,733 | 199,679
Total property, plant and equipment | 5,749,576 | 5,515,716
Accumulated depreciation and amortization, utility plant | (694,871) | (659,737)
Accumulated depreciation and amortization, nonutility plant and equipment | (229,720) | (206,053)
Property, plant and equipment, net | 4,824,985 | 4,649,926
CURRENT ASSETS |  |
Cash and cash equivalents | 27,095 | 1,107
Customer accounts receivable |  |
Billed | 194,453 | 222,297
Unbilled revenues | 46,040 | 13,769
Allowance for doubtful accounts | (11,419) | (19,379)
Regulatory assets | 122,589 | 40,086
Natural gas in storage, at average cost | 84,916 | 273,644
Materials and supplies, at average cost | 23,608 | 20,324
Prepaid expenses | 15,065 | 8,572
Prepaid and accrued taxes | 13,575 | 54,501
Derivatives, at fair value | 25,658 | 24,635
Restricted broker margin accounts | 51,569 | 94,261
Other current assets | 22,823 | 22,270
Total current assets | 615,972 | 756,087
NONCURRENT ASSETS |  |
Investments in equity method investees | 105,125 | 106,571
Regulatory assets | 501,829 | 500,666
Operating lease assets | 165,783 | 168,520
Derivatives, at fair value | 1,640 | 6,385
Intangible assets, net | 1,065 | 2,348
Software costs | 6,980 | 6,120
Other noncurrent assets | 72,754 | 64,793
Total noncurrent assets | 855,176 | 855,403
Total assets | 6,296,133 | 6,261,416
CAPITALIZATION |  |
Common stock, $2.50 par value; authorized 150,000,000 shares; outstanding shares March 31, 2023 — 96,901,373; September 30, 2022 — 96,249,859 | 241,919 | 241,616
Premium on common stock | 529,819 | 519,697
Accumulated other comprehensive loss, net of tax | (4,217) | (4,826)
Treasury stock at cost and other; shares March 31, 2023 — 80,541; September 30, 2022 — 611,045 | 15,075 | (6,805)
Retained earnings | 1,218,240 | 1,067,528
Common stock equity | 2,000,836 | 1,817,210
Long-term debt | 2,642,199 | 2,485,402
Total capitalization | 4,643,035 | 4,302,612
CURRENT LIABILITIES |  |
Current maturities of long-term debt | 152,173 | 75,069
Short-term debt | 187,650 | 423,950
Natural gas purchases payable | 76,033 | 235,049
Natural gas purchases payable to related parties | 856 | 851
Deferred revenue | 41,253 | 35,547
Accounts payable and other | 121,796 | 156,580
Dividends payable | 37,792 | 37,534
Accrued taxes | 15,795 | 5,130
Regulatory liabilities | 15,681 | 31,090
New Jersey Clean Energy Program | 6,191 | 15,697
Derivatives, at fair value | 24,183 | 49,848
Operating lease liabilities | 5,308 | 4,562
Restricted broker margin accounts | 1,245 | 0
Customers' credit balances and deposits | 25,521 | 33,246
Total current liabilities | 711,477 | 1,104,153
NONCURRENT LIABILITIES |  |
Deferred income taxes | 280,675 | 238,928
Deferred investment tax credits | 2,573 | 2,710
Deferred revenue | 40,406 | 753
Derivatives, at fair value | 17,368 | 14,191
Manufactured gas plant remediation | 124,493 | 127,060
Postemployment employee benefit liability | 87,571 | 82,867
Regulatory liabilities | 183,941 | 185,634
Operating lease liabilities | 136,789 | 138,382
Asset retirement obligation | 56,635 | 55,035
Other noncurrent liabilities | 11,170 | 9,091
Total noncurrent liabilities | 941,621 | 854,651
Commitments and contingent liabilities (Note 13) |  |
Total capitalization and liabilities | $ 6,296,133 | $ 6,261,416

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