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CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Millions
Mar. 31, 2023
Dec. 31, 2022
Current assets    
Cash and cash equivalents $ 35.7 $ 28.9
Accounts receivable and unbilled revenues, net of reserves of $213.8 and $199.3, respectively 1,780.6 1,818.4
Materials, supplies, and inventories 523.5 807.1
Prepaid taxes 153.0 201.8
Other prepayments 64.9 69.8
Collateral on deposit 214.2 122.4
Other 66.6 139.3
Current assets 2,838.5 3,187.7
Long-term assets    
Property, plant, and equipment, net of accumulated depreciation and amortization of $10,532.3 and $10,383.8, respectively 30,379.4 29,113.8
Regulatory assets (March 31, 2023 and December 31, 2022 include $90.9 and $92.4, respectively, related to WEPCo Environmental Trust) 3,313.1 3,264.6
Equity investment in transmission affiliates 1,921.7 1,909.2
Goodwill 3,052.8 3,052.8
Pension and OPEB assets 933.4 916.7
Other 357.0 427.3
Long-term assets 39,957.4 38,684.4
Total assets 42,795.9 41,872.1
Current liabilities    
Short-term debt 1,261.2 1,647.1
Current portion of long-term debt (March 31, 2023 and December 31, 2022 each include $8.9 related to WEPCo Environmental Trust) 808.2 881.2
Accounts payable 680.0 1,198.1
Other 1,016.4 884.6
Current liabilities 3,765.8 4,611.0
Long-term liabilities    
Long-term debt (March 31, 2023 and December 31, 2022 each include $94.1 related to WEPCo Environmental Trust) 15,827.3 14,766.2
Deferred income taxes 4,703.2 4,625.6
Deferred revenue, net 367.0 370.7
Regulatory liabilities 3,689.8 3,735.5
Environmental remediation liabilities 491.7 499.6
Pension and OPEB obligations 168.5 171.6
Other 1,794.9 1,475.3
Long-term liabilities 27,042.4 25,644.5
Commitments and contingencies (Note 20)
Common shareholders' equity    
Common stock – $0.01 par value; 325,000,000 shares authorized; 315,434,531 shares outstanding 3.2 3.2
Additional paid in capital 4,113.6 4,115.2
Retained earnings 7,526.7 7,265.3
Accumulated other comprehensive loss (6.9) (6.8)
Common shareholders' equity 11,636.6 11,376.9
Preferred stock of subsidiary 30.4 30.4
Noncontrolling interests 320.7 209.3
Total liabilities and equity $ 42,795.9 $ 41,872.1