v3.26.3
Unaudited Condensed Consolidated Balance Sheets - USD ($)
Sep. 30, 2026
Dec. 31, 2025
Sep. 30, 2025
CURRENT LIABILITIES:      
Debt, Current $ 235,006,000 $ 90,056,000  
Accounts payable 289,329,000 278,886,000  
Accrued taxes 40,397,000 27,636,000  
Interest Payable, Current 80,559,000 48,696,000  
Customer deposits 15,734,000 15,199,000  
Regulatory Liability, Current 52,363,000 32,401,000  
Asset Retirement Obligation, Current 58,850,000 40,724,000 $ 44,537,000
Accrued Liabilities and Other Liabilities 61,775,000 46,429,000  
Total current liabilities 834,013,000 580,027,000  
Long-term Debt and Lease Obligation 4,011,382,000 3,920,555,000  
Deferred Income Tax Liabilities, Net 541,382,000 455,941,000  
NON-CURRENT LIABILITIES:      
Regulatory Liability, Noncurrent 97,488,000 259,062,000  
Accrued other postretirement benefits 3,347,000 3,159,000  
Asset retirement obligations, non-current 549,999,000 532,463,000 $ 422,996,000
Other non-current liabilities 8,211,000 8,403,000  
Total non-current liabilities 5,211,809,000 5,179,583,000  
Liabilities $ 6,045,822,000 $ 5,759,610,000  
Common Stock, Shares, Outstanding 108,907,000 108,907,318 108,907,000
Common Stock, Shares Authorized 290,000,000    
Common shareholders' equity:      
Additional Paid in Capital $ 1,894,731,000 $ 1,808,143,000  
Accumulated Other Comprehensive Income (Loss), Net of Tax 32,339,000 33,641,000  
Accumulated deficit 22,686,000 3,068,000  
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest 2,082,625,000 1,997,567,000 $ 1,687,891,000
Equity, Attributable to Noncontrolling Interest 132,869,000 152,715,000 146,261,000
Total common shareholders' equity 1,949,756,000 1,844,852,000  
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY 8,128,447,000 7,757,177,000  
CURRENT ASSETS:      
Cash and cash equivalents 65,918,000 69,834,000 69,834,000
Accounts Receivable, after Allowance for Credit Loss, Current 304,143,000 296,216,000  
Accounts Receivable, Allowance for Credit Loss, Current 12,389,000 14,057,000 16,477,000
Inventory, Net 52,595,000 73,783,000  
Regulatory assets 88,496,000 82,136,000  
Income Taxes Receivable, Current 12,259,000 18,247,000  
Other Assets, Current 54,293,000 28,349,000  
Total current assets 577,704,000 568,565,000  
UTILITY PLANT:      
Property, Plant, and Equipment, Accumulated Depreciation, Depletion, and Amortization 2,530,875 3,288,070  
Property, plant and equipment, net of accumulated depreciation of $2,530,875 and $3,288,070, respectively 6,480,206,000 6,019,436,000  
Other Assets, Noncurrent [Abstract]      
Intangible Asset, Excluding Goodwill, after Accumulated Amortization 278,508,000 285,960,000  
Regulatory assets 598,266,000 615,324,000  
Assets for Plan Benefits, Defined Benefit Plan 35,044,000 33,938,000  
Other Assets, Miscellaneous, Noncurrent 158,719,000 233,954,000  
Total other non-current assets 7,550,743,000 7,188,612,000  
TOTAL ASSETS 8,128,447,000 7,757,177,000 $ 7,757,177,000
Customer deposits $ 15,734,000 $ 15,199,000  
Common Stock, Shares, Issued   108,907,318