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CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands | Sep. 30, 2024 | Sep. 30, 2023
--- | --- | ---
PROPERTY, PLANT AND EQUIPMENT |  |
Utility plant, at cost | $ 4,221,395 | $ 3,843,037
Construction work in progress | 233,295 | 237,428
Nonutility plant and equipment, at cost | 1,834,956 | 1,767,306
Construction work in progress | 206,869 | 142,768
Total property, plant and equipment | 6,496,515 | 5,990,539
Accumulated depreciation and amortization, utility plant | (786,594) | (714,087)
Accumulated depreciation and amortization, nonutility plant and equipment | (306,698) | (254,397)
Property, plant and equipment, net | 5,403,223 | 5,022,055
CURRENT ASSETS |  |
Cash and cash equivalents | 1,017 | 954
Customer accounts receivable: |  |
Billed | 105,531 | 97,540
Unbilled revenues | 20,094 | 19,100
Allowance for doubtful accounts | (8,506) | (11,036)
Regulatory assets | 73,070 | 73,587
Natural gas in storage, at average cost | 199,125 | 199,501
Materials and supplies, at average cost | 38,484 | 27,022
Prepaid expenses | 11,754 | 9,741
Prepaid taxes | 67,066 | 43,046
Derivatives, at fair value | 6,813 | 30,755
Restricted broker margin accounts | 13,243 | 20,796
Other current assets | 26,904 | 21,071
Total current assets | 554,595 | 532,077
NONCURRENT ASSETS |  |
Investments in equity method investees | 101,744 | 104,134
Regulatory assets | 609,192 | 584,830
Operating lease assets | 184,485 | 175,740
Derivatives, at fair value | 806 | 1,564
Software costs | 10,522 | 8,375
Deferred income taxes | 20,751 | 28,383
Postemployment employee benefit assets | 24,660 | 18,684
Other noncurrent assets | 71,667 | 61,654
Total noncurrent assets | 1,023,827 | 983,364
Total assets | 6,981,645 | 6,537,496
CAPITALIZATION |  |
Common stock, $2.50 par value; authorized 150,000,000 shares; outstanding shares September 30, 2024 — 99,461,448; September 30, 2023 — 97,584,455 | 248,159 | 243,458
Premium on common stock | 633,811 | 558,654
Accumulated other comprehensive loss, net of tax | (6,521) | (9,959)
Treasury stock at cost and other; shares September 30, 2024 — 16,302; September 30, 2023 — 13,041 | 26,220 | 20,748
Retained earnings | 1,298,774 | 1,177,834
Common stock equity | 2,200,443 | 1,990,735
Long-term debt | 2,879,464 | 2,768,017
Total capitalization | 5,079,907 | 4,758,752
CURRENT LIABILITIES |  |
Current maturities of long-term debt | 189,006 | 116,155
Short-term debt | 291,800 | 252,100
Natural gas purchases payable | 57,515 | 51,277
Deferred revenue | 21,572 | 61,404
Accounts payable and other | 169,232 | 151,790
Dividends payable | 44,752 | 40,981
Accrued taxes | 10,593 | 10,090
Regulatory liabilities | 32,981 | 32,287
New Jersey Clean Energy Program | 18,491 | 15,804
Derivatives, at fair value | 6,271 | 16,145
Restricted broker margin accounts | 1,146 | 8,029
Operating lease liabilities | 4,945 | 4,772
Customers’ credit balances and deposits | 38,595 | 44,910
Total current liabilities | 887,774 | 806,603
NONCURRENT LIABILITIES |  |
Deferred income taxes | 358,783 | 285,427
Deferred investment tax credits | 2,156 | 2,434
Deferred revenue | 3,095 | 659
Derivatives, at fair value | 11,490 | 7,967
Manufactured gas plant remediation | 161,650 | 169,390
Postemployment employee benefit liabilities | 64,609 | 102,528
Regulatory liabilities | 175,847 | 180,458
Operating lease liabilities | 159,303 | 148,023
Asset retirement obligations | 66,698 | 61,993
Other noncurrent liabilities | 10,333 | 13,262
Total noncurrent liabilities | 1,013,964 | 972,141
Commitments and contingent liabilities (Note 14) |  |
Total capitalization and liabilities | 6,981,645 | 6,537,496
Related Party |  |
CURRENT LIABILITIES |  |
Natural gas purchases payable to related parties | $ 875 | $ 859

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