v3.26.3
Consolidated Balance Sheets (Unaudited) - USD ($)
$ in Thousands
Sep. 30, 2026
Dec. 31, 2025
Current Assets:    
Cash and cash equivalents $ 10,539 $ 5,666
Accounts receivable, less reserves 44,997 57,558
Other accounts receivables, less reserves 15,408 12,983
Unbilled revenues 26,998 42,770
Materials and supplies, at average cost 42,359 37,850
Fuel for electric generation, at average cost 9,676 11,010
Stored natural gas, at average cost 16,735 15,317
Prepaid taxes 14,533 19,314
Regulatory assets - current 9,036 8,879
Other current assets 15,641 17,201
Total Current Assets 205,922 228,548
Regulatory assets 56,454 42,758
Pension benefit asset 176,127 164,985
Other deferred assets and other 20,754 18,348
Property, Plant, and Equipment:    
Property, plant, and equipment, net 2,348,629 2,279,899
Construction work in progress 412,483 292,969
Total Property, Plant, and Equipment 2,761,112 2,572,868
Investments 139,470 127,913
Total Assets 3,359,839 3,155,420
Current Liabilities:    
Long-term debt due within one year 5,549 21,633
Short-term debt 50,250 94,527
Accounts payable 65,377 117,673
Accrued interest and taxes 11,427 10,269
Accrued payroll related items 16,684 17,244
Regulatory liabilities - current 26,966 23,490
Other current liabilities 11,908 11,873
Total Current Liabilities 188,161 296,709
Other Credits:    
Deferred income taxes 353,188 337,798
Investment tax credit - deferred 60,746 48,609
Regulatory liabilities 198,969 185,372
Accrued pension and other postretirement benefits 51,501 51,105
Asset retirement obligations 80,210 76,289
Other deferred liabilities and other 67,742 63,397
Total Other Credits 812,356 762,570
Capitalization:    
Common shareholders equity 1,481,470 1,303,936
Long-term debt 877,852 792,205
Total Capitalization 2,359,322 2,096,141
Commitments and contingencies (see Footnote 8)
Total Liabilities and Capitalization 3,359,839 3,155,420
MGE [Member]    
Current Assets:    
Cash and cash equivalents 2,638 2,248
Accounts receivable, less reserves 44,997 57,558
Other accounts receivables, less reserves 15,392 12,979
Unbilled revenues 26,998 42,770
Materials and supplies, at average cost 42,359 37,850
Fuel for electric generation, at average cost 9,676 11,010
Stored natural gas, at average cost 16,735 15,317
Prepaid taxes 14,920 18,748
Regulatory assets - current 9,036 8,879
Other current assets 16,113 17,225
Total Current Assets 198,864 224,584
Regulatory assets 56,454 42,758
Pension benefit asset 176,127 164,985
Other deferred assets and other 18,949 17,817
Property, Plant, and Equipment:    
Property, plant, and equipment, net 2,348,660 2,279,927
Construction work in progress 412,483 292,969
Total Property, Plant, and Equipment 2,761,143 2,572,896
Total Assets 3,211,537 3,023,040
Current Liabilities:    
Long-term debt due within one year 5,549 21,633
Short-term debt 50,250 94,527
Accounts payable 65,013 117,658
Accrued interest and taxes 10,681 10,234
Accrued payroll related items 16,684 17,244
Regulatory liabilities - current 26,966 23,490
Other current liabilities 11,908 8,843
Total Current Liabilities 187,051 293,629
Other Credits:    
Deferred income taxes 314,710 301,198
Investment tax credit - deferred 60,746 48,609
Regulatory liabilities 198,969 185,372
Accrued pension and other postretirement benefits 51,501 51,105
Asset retirement obligations 80,210 76,289
Other deferred liabilities and other 71,804 67,281
Total Other Credits 777,940 729,854
Capitalization:    
Common shareholders equity 1,208,307 1,050,564
Noncontrolling interest 160,387 156,788
Total Equity 1,368,694 1,207,352
Long-term debt 877,852 792,205
Total Capitalization 2,246,546 1,999,557
Commitments and contingencies (see Footnote 8)
Total Liabilities and Capitalization $ 3,211,537 $ 3,023,040