v3.26.1
BALANCE SHEETS - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Property, plant and equipment    
Property, plant and equipment $ 9,852,116 $ 9,734,150
Accumulated depreciation and amortization 2,640,623 2,611,952
Net property, plant and equipment 7,211,493 7,122,198
Current assets    
Cash and cash equivalents 11,354 10,620
Restricted cash and cash equivalents 11,639 23,107
Cash, cash equivalents, restricted cash and restricted cash equivalents 22,993 33,727
Accounts receivable, net 405,157 461,631
Materials and supplies 92,987 97,595
Income taxes receivable 55,552 55,552
Natural gas in storage 123,920 176,451
Regulatory assets, current 61,487 49,504
Other current assets 34,544 41,424
Total current assets 796,640 915,884
Goodwill and other assets    
Regulatory assets, noncurrent 252,048 256,225
Other intangible assets, net 226,359 233,786
Goodwill 157,953 157,953
Pension and other postemployment benefits 47,175 47,012
Other assets 133,933 120,026
Total goodwill and other assets 817,468 815,002
Total assets 8,825,601 8,853,084
Equity and long-term debt    
Common stock, $0.01 par value: authorized 250,000,000 shares; issued and outstanding 62,761,990 shares at March 31, 2026; issued and outstanding 62,692,392 shares at December 31, 2025 628 627
Paid-in capital 2,530,435 2,530,137
Retained earnings 994,838 909,355
Accumulated other comprehensive income (loss), net of tax (179) 4
Total equity 3,525,722 3,440,123
Other long-term debt, noncurrent, net of issuance costs 2,133,350 2,133,018
Securitized utility tariff bonds, excluding current maturities, net of issuance costs 206,970 223,020
Long-Term debt, excluding current maturities, total, net of issuance costs 2,340,320 2,356,038
Total equity and long-term debt 5,866,042 5,796,161
Current liabilities    
Long-term debt, current maturities, net of issuance costs 249,798 249,674
Current maturities of securitized utility tariff bonds, net of issuance costs 31,404 30,566
Short-term debt 759,700 737,400
Accounts payable 137,587 222,102
Accrued taxes other than income 71,272 75,568
Regulatory liability, current 21,638 57,277
Customer deposits 54,901 52,871
Other current liabilities 75,980 106,400
Total current liabilities 1,402,280 1,531,858
Deferred credits and other liabilities    
Deferred income taxes 999,420 963,874
Regulatory liability, noncurrent 441,041 451,620
Other deferred credits 116,818 109,571
Total deferred credits and other liabilities 1,557,279 1,525,065
Commitments and contingencies
Total liabilities and equity $ 8,825,601 $ 8,853,084