v3.26.3
CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Current assets    
Cash and cash equivalents $ 2.0 $ 0.0
Materials, supplies, and inventories 338.5 322.7
Prepaid taxes 90.5 115.8
Other prepayments 16.4 30.1
Other 48.8 24.3
Current assets 1,288.6 1,355.6
Long-term assets    
Property, plant, and equipment, net of accumulated depreciation and amortization of $6,655.7 and $6,373.9, respectively 17,177.7 15,208.6
Regulatory assets (September 30, 2026 and December 31, 2025 include $60.9 and $67.5, respectively, related to WEPCo Environmental Trust) 2,961.2 2,941.0
Intangible Asset, Indefinite-Lived, Class [Domain] 138.6 12.4
Pension and OPEB assets 109.7 105.8
Other 109.4 73.0
Long-term assets 20,496.6 18,340.8
Total assets 21,785.2 19,696.4
Current liabilities    
Short-term debt 68.5 680.6
Current portion of long-term debt (September 30, 2026 and December 31, 2025 include $9.4 and $9.3, respectively, related to WEPCo Environmental Trust) 9.4 9.3
Current portion of finance lease obligations 126.1 113.4
Accrued interest 71.2 31.9
Other 188.9 200.4
Current liabilities 1,282.2 1,781.1
Long-term liabilities    
Long-term debt (September 30, 2026 and December 31, 2025 include $62.8 and $67.4, respectively, related to WEPCo Environmental Trust) 5,893.4 4,516.0
Finance lease obligations 2,705.0 2,715.4
Deferred income taxes 1,833.9 1,666.6
Regulatory liabilities 1,872.5 1,759.0
Other 501.3 478.7
Long-term liabilities 12,806.1 11,135.7
Commitments and contingencies (Note 20)
Common shareholder's equity    
Common stock – $10 par value; 65,000,000 shares authorized; 33,289,327 shares outstanding 332.9 332.9
Additional paid in capital 4,634.1 3,948.6
Retained earnings 2,699.5 2,467.7
Common shareholder's equity 7,666.5 6,749.2
Preferred stock 30.4 30.4
Total liabilities and equity 21,785.2 19,696.4
WEPCo Environmental Trust    
Long-term assets    
Regulatory assets (September 30, 2026 and December 31, 2025 include $60.9 and $67.5, respectively, related to WEPCo Environmental Trust) 60.9 67.5
Current liabilities    
Current portion of long-term debt (September 30, 2026 and December 31, 2025 include $9.4 and $9.3, respectively, related to WEPCo Environmental Trust) 9.4 9.3
Accounts payable 0.0 0.1
Accrued interest 0.3 0.1
Long-term liabilities    
Long-term debt (September 30, 2026 and December 31, 2025 include $62.8 and $67.4, respectively, related to WEPCo Environmental Trust) 62.8 67.4
Nonrelated party    
Current assets    
Accounts receivable 677.1 742.2
Current liabilities    
Accounts payable 618.4 530.8
Related party    
Current assets    
Accounts receivable 115.3 120.5
Current liabilities    
Accounts payable $ 199.7 $ 214.7