v3.26.1
CONSOLIDATED STATEMENTS OF OPERATION (unaudited) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Operating revenue:    
Total operating revenues $ 841,203 $ 778,612
Operating expenses:    
Electric fuel and purchased power (includes related party of $57,967 and $45,005, respectively) 335,299 310,658
Electric operations and maintenance (includes related party of $(2,317) and $(1,651), respectively 181,712 177,243
Cost of products sold (includes related party of $20,187 and $16,802, respectively) 131,746 123,734
Nonelectric selling, general and administrative (includes related party of $8,407 and $7,547, respectively) 24,835 24,635
Depreciation, depletion and amortization 65,043 66,123
Total operating expenses 738,635 702,393
Operating margin 102,568 76,219
Other income:    
Investment income 9,191 11,648
Other and tax credits 44,533 34,551
Total other income 53,724 46,199
Interest and other charges:    
Interest expense 82,463 72,851
Interest charged during construction (8,838) (9,272)
Total interest and other charges 73,625 63,579
Margin before income taxes 82,667 58,839
Income tax expense 1,100 4,821
Net margin and earnings including noncontrolling interest 81,567 54,018
Net margin and earnings attributable to noncontrolling interest (6,200) (6,316)
Net margin and earnings attributable to Basin Electric 75,367 47,702
Sales - Members (related party)    
Operating revenue:    
Total operating revenues 600,778 555,678
Other operating revenues    
Operating revenue:    
Total operating revenues $ 240,425 $ 222,934