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Consolidated Balance Sheet (USD $)
In Millions, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Current Assets    
Cash and Cash Equivalents $ 80.8 $ 101.1
Accounts Receivable (Less Allowance of $1.0 and $0.9) 89.0 79.7
Inventories 69.8 69.1
Prepayments and Other 33.6 27.1
Total Current Assets 273.2 277.0
Property, Plant and Equipment - Net 2,347.6 1,982.7
Regulatory Assets 340.3 345.9
Investment in ATC 107.3 98.9
Other Investments 143.5 132.3
Other Non-Current Assets 41.5 39.2
Total Assets 3,253.4 2,876.0
Current Liabilities    
Accounts Payable 90.5 71.8
Accrued Taxes 30.2 26.4
Accrued Interest 15.6 12.8
Long-Term Debt Due Within One Year 84.5 5.4
Notes Payable 0 1.1
Other 62.6 45.6
Total Current Liabilities 283.4 163.1
Long-Term Debt 933.6 857.9
Deferred Income Taxes 423.8 373.6
Regulatory Liabilities 60.1 43.5
Defined Benefit Pension and Other Postretirement Benefit Plans 228.2 253.5
Other Non-Current Liabilities 123.3 105.1
Total Liabilities 2,052.4 1,796.7
Commitments and Contingencies (Note 11)      
Equity    
Common Stock Without Par Value, 80.0 Shares Authorized, 39.4 and 37.5 Shares Outstanding 784.7 705.6
Unearned ESOP Shares (21.3) (29.0)
Accumulated Other Comprehensive Loss (22.0) (28.9)
Retained Earnings 459.6 431.6
Total Equity 1,201.0 1,079.3
Total Liabilities and Equity $ 3,253.4 $ 2,876.0