BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Property, plant and equipment
Property, plant and equipment	$ 8,937,502	$ 8,468,967
Accumulated depreciation and amortization	2,432,659	2,333,755
Net property, plant and equipment	6,504,843	6,135,212
Current assets
Cash and Cash Equivalents	18,797	18,835
Restricted Cash and Cash Equivalents	9,961	20,552
Cash, cash equivalents, restricted cash and restricted cash equivalents	28,758	39,387
Accounts receivable, net	176,248	347,864
Materials and supplies	94,392	77,649
Natural Gas in Storage	180,795	187,097
Regulatory assets, Current	130,854	75,308
Other current assets	79,455	37,899
Total current assets	690,502	765,204
Goodwill and other assets
Regulatory assets, Noncurrent	269,925	287,906
Other Intangible Assets, Net	272,510	293,619
Goodwill	157,953	157,953
Other assets	143,692	131,100
Total goodwill and other assets	844,080	870,578
Total assets	8,039,425	7,770,994
Equity and long-term debt
Common stock, $0.01 par value: authorized 250,000,000 shares; issued and outstanding 55,655,255 shares at September 30, 2024; issued and outstanding 56,545,924 shares at December 31, 2023	567	565
Paid-in Capital	2,042,568	2,028,755
Retained earnings	770,416	737,739
Accumulated other comprehensive loss	(929)	(1,182)
Total equity	2,812,622	2,765,877
Other Long-Term Debt, Noncurrent	2,131,448	1,877,895
Securitized utility tariff bonds, excluding current maturities, net of issuance costs	253,434	282,506
Long-Term Debt, Excluding Current Maturities, Total	2,384,882	2,160,401
Total equity and long-term debt	5,197,504	4,926,278
Current liabilities
Long-term Debt, Current Maturities	14	772,984
Current maturities of securitized utility tariff bonds	28,956	27,430
Short-term debt	951,400	88,500
Accounts payable	146,821	278,056
Accrued taxes other than income	71,829	68,793
Regulatory Liability, Current	27,652	66,901
Customer deposits	72,537	62,187
Other current liabilities	88,405	112,370
Total current liabilities	1,387,614	1,477,221
Deferred credits and other liabilities
Deferred income taxes	851,378	752,068
Regulatory Liability, Noncurrent	483,287	500,478
Employee benefit obligations	20,030	20,265
Other deferred credits	99,612	94,684
Liabilities, Other than Long-term Debt, Noncurrent	1,454,307	1,367,495
Commitments and contingencies
Total liabilities and equity	$ 8,039,425	$ 7,770,994