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CONSOLIDATED BALANCE SHEETS (unaudited) - USD ($)
$ in Thousands
Jun. 30, 2025
Dec. 31, 2024
Current Assets    
Cash and Cash Equivalents $ 307,241 $ 294,651
Receivables, net of allowance for credit losses 180,823 145,964
Inventories 151,558 148,885
Regulatory Assets 8,946 9,962
Other Current Assets 25,842 30,579
Total Current Assets 674,410 630,041
Noncurrent Assets    
Investments 128,289 121,177
Property, Plant and Equipment, net of accumulated depreciation 2,754,068 2,692,460
Regulatory Assets 99,010 98,673
Intangible Assets, net of accumulated amortization 5,192 5,743
Goodwill 37,572 37,572
Other Noncurrent Assets 66,747 66,416
Total Noncurrent Assets 3,090,878 3,022,041
Total Assets 3,765,288 3,652,082
Current Liabilities    
Short-Term Debt 0 69,615
Accounts Payable 98,234 113,574
Accrued Salaries and Wages 25,039 34,398
Accrued Taxes 16,465 17,314
Regulatory Liabilities 24,580 29,307
Other Current Liabilities 39,162 45,582
Total Current Liabilities 203,480 309,790
Noncurrent Liabilities    
Pension Benefit Liability 32,204 32,614
Other Postretirement Benefits Liability 26,494 27,385
Regulatory Liabilities 289,546 288,928
Deferred Income Taxes 278,091 267,745
Deferred Tax Credits 14,705 14,990
Other Noncurrent Liabilities 102,932 98,397
Total Noncurrent Liabilities 743,972 730,059
Commitments and Contingencies (Note 9)
Capitalization    
Long-Term Debt 1,043,374 943,734
Shareholders' Equity    
Common Shares: 50,000,000 shares authorized, $5 par value; 41,904,370 and 41,827,967 outstanding at June 30, 2025 and December 31, 2024 209,522 209,140
Additional Paid-In Capital 432,664 429,089
Retained Earnings 1,131,542 1,029,738
Accumulated Other Comprehensive Income 734 532
Total Shareholders' Equity 1,774,462 1,668,499
Total Capitalization 2,817,836 2,612,233
Total Liabilities and Shareholders' Equity $ 3,765,288 $ 3,652,082