v3.26.1
CONSOLIDATED STATEMENTS OF INCOME (unaudited) - USD ($)
shares in Thousands, $ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Operating Revenues    
Total Operating Revenues $ 347,026 $ 337,353
Operating Expenses    
Electric Production Fuel 20,773 14,321
Electric Purchased Power 27,013 30,870
Electric Operating and Maintenance Expenses 50,255 48,881
Cost of Products Sold (excluding depreciation) 107,536 104,387
Nonelectric Selling, General, and Administrative Expenses 21,771 21,292
Depreciation and Amortization 29,979 29,375
Electric Property Taxes 4,462 4,228
Total Operating Expenses 261,789 253,354
Operating Income 85,237 83,999
Other Income and (Expense)    
Interest Expense (12,636) (11,553)
Nonservice Components of Postretirement Benefits 443 1,282
Other Income (Expense), net 4,442 4,456
Income Before Income Taxes 77,486 78,184
Income Tax Expense 4,876 10,085
Net Income $ 72,610 $ 68,099
Weighted-Average Common Shares Outstanding:    
Basic (in shares) 41,904 41,826
Diluted (in shares) 42,071 42,062
Earnings Per Share:    
Basic (in dollars per share) $ 1.73 $ 1.63
Diluted (in dollars per share) $ 1.73 $ 1.62
Electric    
Operating Revenues    
Total Operating Revenues $ 165,870 $ 149,720
Product Sales    
Operating Revenues    
Total Operating Revenues $ 181,156 $ 187,633