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CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
CURRENT ASSETS    
Cash and cash equivalents $ 0.0 $ 94.3
Accounts receivable, less reserve of $1.5 and $1.7, respectively 153.8 174.7
Accrued unbilled revenues 64.7 62.6
Income taxes receivable 10.9 9.9
Fuel inventories 46.3 57.6
Materials and supplies, at average cost 90.6 126.7
Fuel clause under recoveries 39.5 2.0
Other 24.4 29.5
Total current assets 430.2 557.3
OTHER PROPERTY AND INVESTMENTS    
Investment in unconsolidated affiliates 1,151.5 1,177.5
Other 82.7 73.4
Total other property and investments 1,234.2 1,250.9
PROPERTY, PLANT AND EQUIPMENT    
In service 12,771.1 11,994.8
Construction work in progress 141.6 376.4
Total property, plant and equipment 12,912.7 12,371.2
Less: accumulated depreciation 3,868.1 3,727.4
Net property, plant and equipment 9,044.6 8,643.8
DEFERRED CHARGES AND OTHER ASSETS    
Regulatory assets 306.0 285.8
Other 9.3 10.8
Total deferred charges and other assets 315.3 296.6
TOTAL ASSETS 11,024.3 10,748.6
CURRENT LIABILITIES    
Short-term debt 112.0 0.0
Accounts payable 194.9 239.3
Dividends payable 77.6 72.9
Customer deposits 83.0 83.6
Accrued taxes 41.9 44.0
Accrued interest 37.9 44.5
Accrued compensation 40.6 47.8
Long-term debt due within one year 0.0 250.0
Fuel clause over recoveries 4.8 0.3
Other 65.2 87.0
Total current liabilities 657.9 869.4
LONG-TERM DEBT 3,195.2 2,896.9
DEFERRED CREDITS AND OTHER LIABILITIES    
Accrued benefit obligations 225.0 225.7
Deferred income taxes 1,375.8 1,310.9
Accumulated Deferred Investment Tax Credit 7.1 7.2
Regulatory liabilities 1,223.5 1,270.7
Other 200.3 162.7
Total deferred credits and other liabilities 3,031.7 2,977.2
Total liabilities 6,884.8 6,743.5
COMMITMENTS AND CONTINGENCIES (NOTE 15)
STOCKHOLDERS' EQUITY    
Common stockholders' equity 1,131.3 1,127.7
Retained earnings 3,036.1 2,906.3
Accumulated other comprehensive loss, net of tax (27.9) (28.9)
Total stockholders' equity 4,139.5 4,005.1
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY $ 11,024.3 $ 10,748.6