BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Property, plant and equipment
Property, plant and equipment	$ 9,124,134	$ 8,468,967
Accumulated depreciation and amortization	2,478,261	2,333,755
Net property, plant and equipment	6,645,873	6,135,212
Current assets
Cash and Cash Equivalents	57,995	18,835
Restricted Cash and Cash Equivalents	20,542	20,552
Cash, cash equivalents, restricted cash and restricted cash equivalents	78,537	39,387
Accounts receivable, net	408,448	347,864
Materials and supplies	91,662	77,649
Income Taxes Receivable	53,624	3,947
Natural Gas in Storage	161,184	187,097
Regulatory assets, Current	101,210	75,308
Other current assets	35,216	33,952
Total current assets	929,881	765,204
Goodwill and other assets
Regulatory assets, Noncurrent	278,006	287,906
Other Intangible Assets, Net	265,951	293,619
Goodwill	157,953	157,953
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position	42,882	36,482
Other assets	105,025	94,618
Total goodwill and other assets	849,817	870,578
Total assets	8,425,571	7,770,994
Equity and long-term debt
Common stock, $0.01 par value: authorized 250,000,000 shares; issued and outstanding 59,876,861 shares at December 31, 2024; issued and outstanding 56,545,924 shares at December 31, 2023	599	565
Paid-in Capital	2,294,469	2,028,755
Retained earnings	809,606	737,739
Accumulated other comprehensive loss	(126)	(1,182)
Total equity	3,104,548	2,765,877
Other Long-Term Debt, Noncurrent	2,131,718	1,877,895
Securitized utility tariff bonds, excluding current maturities, net of issuance costs	253,568	282,506
Long-Term Debt, Excluding Current Maturities, Total	2,385,286	2,160,401
Total equity and long-term debt	5,489,834	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	914,600	88,500
Accounts payable	261,321	278,056
Accrued taxes other than income	75,608	68,793
Regulatory Liability, Current	22,525	66,901
Customer deposits	56,243	62,187
Other current liabilities	99,009	112,370
Total current liabilities	1,458,276	1,477,221
Deferred credits and other liabilities
Deferred income taxes	891,738	752,068
Regulatory Liability, Noncurrent	467,563	500,478
Other deferred credits	118,160	114,949
Total deferred credits and other liabilities	1,477,461	1,367,495
Commitments and contingencies
Total liabilities and equity	$ 8,425,571	$ 7,770,994