v3.25.1
Consolidated Balance Sheets Statement - USD ($)
$ in Thousands
Mar. 31, 2025
Dec. 31, 2024
Current Assets:    
Cash and cash equivalents $ 634,495 $ 368,865
Receivables:    
Customer 131,397 114,824
Other 37,838 29,627
Income taxes receivable 0 13,932
Accrued unbilled revenues 73,489 97,711
Materials and supplies (at average cost) 209,049 201,064
Fuel stock (at average cost) 36,987 43,656
Prepayments 24,334 29,461
Current regulatory assets 59,429 89,315
Other 9,085 0
Total current assets 1,216,103 988,455
Investments 156,414 161,340
Property, Plant and Equipment:    
Utility plant in service 8,016,433 7,957,763
Accumulated provision for depreciation (2,755,015) (2,714,706)
Utility plant in service - net 5,261,418 5,243,057
Construction work in progress 1,385,042 1,244,559
Utility plant held for future use 13,187 13,211
Other property, net of accumulated depreciation 16,565 16,491
Property, plant and equipment - net 6,676,212 6,517,318
Other Assets:    
Company-owned life insurance 95,072 92,062
Regulatory assets 1,383,622 1,418,057
Other 64,603 62,131
Total other assets 1,543,297 1,572,250
Total assets 9,592,026 9,239,363
Current Liabilities:    
Current maturities of long-term debt 0 19,885
Accounts payable 267,364 307,133
Taxes accrued 18,846 6,981
Interest accrued 37,285 42,681
Accrued compensation 52,467 70,548
Current regulatory liabilities 50,630 7,523
Advances from customers 183,131 165,229
Other 63,756 80,821
Total current liabilities 673,479 700,801
Other Liabilities:    
Deferred Income Tax 786,042 822,231
Regulatory liabilities 987,340 976,803
Pension and other postretirement benefits 170,947 165,992
Other 173,855 181,804
Total other liabilities 2,118,184 2,146,830
Long-Term Debt 3,447,008 3,053,777
Commitments and Contingencies
Equity:    
Common stock 1,197,493 1,194,998
Retained earnings 2,162,499 2,149,548
Accumulated other comprehensive loss (13,652) (13,592)
Total shareholders’ equity 3,346,340 3,330,954
Noncontrolling interests 7,015 7,001
Total equity 3,353,355 3,337,955
Total $ 9,592,026 $ 9,239,363