BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Property, plant and equipment
Property, plant and equipment	$ 8,468,967	$ 7,834,557
Accumulated depreciation and amortization	2,333,755	2,205,717
Net property, plant and equipment	6,135,212	5,628,840
Cash and Cash Equivalents	18,835	9,681
Restricted Cash and Cash Equivalents	20,552	8,446
Cash, cash equivalents, restricted cash and restricted cash equivalents	39,387	18,127
Current assets
Accounts receivable, net	347,864	553,834
Materials and supplies	77,649	70,873
Natural Gas in Storage	187,097	269,205
Regulatory assets, Current	75,308	275,572
Other current assets	37,899	29,997
Total current assets	765,204	1,217,608
Goodwill and other assets
Regulatory assets, Noncurrent	287,906	330,831
Other Intangible Assets, Net	293,619	323,838
Goodwill	157,953	157,953
Other assets	131,100	117,326
Total goodwill and other assets	870,578	929,948
Total assets	7,770,994	7,776,396
Equity and long-term debt
Common stock, $0.01 par value: authorized 250,000,000 shares; issued and outstanding 56,545,924 shares at December 31, 2023; issued and outstanding 55,349,954 shares at December 31, 2022	565	553
Paid-in Capital	2,028,755	1,932,714
Retained earnings	737,739	651,863
Accumulated other comprehensive loss	(1,182)	(704)
Total equity	2,765,877	2,584,426
Other Long-Term Debt, Noncurrent	1,877,895	2,352,400
Securitized utility tariff bonds, excluding current maturities, net of issuance costs	282,506	309,343
Long-Term Debt, Excluding Current Maturities, Total	2,160,401	2,661,743
Total equity and long-term debt	4,926,278	5,246,169
Current liabilities
Long-term Debt, Current Maturities	772,984	12
Current maturities of securitized utility tariff bonds	27,430	20,716
Short-term debt	88,500	552,000
Accounts payable	278,056	360,493
Accrued taxes other than income	68,793	78,352
Regulatory Liability, Current	66,901	47,867
Customer deposits	62,187	57,854
Other current liabilities	112,370	72,125
Total current liabilities	1,477,221	1,189,419
Deferred credits and other liabilities
Deferred income taxes	752,068	698,456
Regulatory Liability, Noncurrent	500,478	529,441
Employee benefit obligations	20,265	19,587
Other deferred credits	94,684	93,324
Liabilities, Other than Long-term Debt, Noncurrent	1,367,495	1,340,808
Commitments and contingencies
Total liabilities and equity	$ 7,770,994	$ 7,776,396