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CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Millions
Sep. 30, 2023
Dec. 31, 2022
Current assets    
Cash and cash equivalents $ 6.5 $ 6.1
Accounts receivable and unbilled revenues, net of reserves of $42.3 and $49.7, respectively 542.4 582.6
Accounts receivable from related parties 119.8 113.2
Materials, supplies, and inventories 275.1 292.9
Prepaid taxes 80.4 113.1
Other prepayments 15.2 25.6
Collateral on deposit 40.8 46.7
Other 9.0 27.1
Current assets 1,089.2 1,207.3
Long-term assets    
Property, plant, and equipment, net of accumulated depreciation and amortization of $5,683.4 and $5,450.3, respectively 11,325.3 10,718.6
Regulatory assets (September 30, 2023 and December 31, 2022 include $87.5 and $92.4, respectively, related to WEPCo Environmental Trust) 2,852.0 2,817.5
Pension and OPEB assets 107.3 143.3
Other 115.7 133.5
Long-term assets 14,400.3 13,812.9
Total assets 15,489.5 15,020.2
Current liabilities    
Short-term debt 36.0 460.7
Current portion of long-term debt (related to WEPCo Environmental Trust) 9.0 8.9
Current portion of finance lease obligations 83.5 112.3
Accounts payable 396.1 400.5
Accounts payable to related parties 155.3 179.4
Accrued payroll and benefits 45.5 43.3
Accrued interest 52.1 17.6
Other 131.2 149.6
Current liabilities 908.7 1,372.3
Long-term liabilities    
Long-term debt (September 30, 2023 and December 31, 2022 include $89.8 and $94.1, respectively, related to WEPCo Environmental Trust) 3,349.2 3,351.5
Finance lease obligations 2,695.8 2,702.3
Deferred income taxes 1,509.1 1,467.3
Regulatory liabilities 1,622.6 1,637.4
Other 324.5 322.2
Long-term liabilities 9,501.2 9,480.7
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 2,522.4 1,746.8
Retained earnings 2,193.9 2,057.1
Common shareholder's equity 5,049.2 4,136.8
Preferred stock 30.4 30.4
Total liabilities and equity $ 15,489.5 $ 15,020.2