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Consolidated Balance Sheets (USD $)
In Millions
Jun. 30, 2011
Dec. 31, 2010
Jun. 30, 2010
Utility Plant:      
Electric $ 326.5 $ 321.5 $ 310.7
Gas 366.7 360.1 330.2
Common 30.4 30.2 29.7
Construction Work in Progress 21.2 16.6 29.0
Total Utility Plant 744.8 728.4 699.6
Less: Accumulated Depreciation 260.6 251.9 243.0
Net Utility Plant 484.2 476.5 456.6
Current Assets:      
Cash 5.8 8.9 6.3
Accounts Receivable, net 32.9 36.9 27.9
Accrued Revenue 26.0 46.7 22.5
Refundable Taxes   7.5  
Gas Inventory 8.3 10.6 11.1
Materials and Supplies 3.9 2.9 3.4
Prepayments and Other 5.3 3.6 4.5
Total Current Assets 82.2 117.1 75.7
Noncurrent Assets:      
Regulatory Assets 136.1 143.0 146.7
Other Noncurrent Assets 25.1 23.0 26.6
Total Noncurrent Assets 161.2 166.0 173.3
TOTAL ASSETS 727.6 759.6 705.6
Capitalization:      
Common Stock Equity 186.3 189.0 187.0
Preferred Stock 2.0 2.0 2.0
Long-Term Debt, Less Current Portion 288.1 288.3 288.6
Total Capitalization 476.4 479.3 477.6
Current Liabilities:      
Long-Term Debt, Current Portion 0.5 0.5 0.4
Accounts Payable 15.8 26.5 16.7
Taxes Payable 0.4   5.6
Short-Term Debt 51.3 66.8 24.6
Energy Supply Contract Obligations 15.5 17.0 19.1
Other Current Liabilities 17.3 16.1 19.0
Total Current Liabilities 100.8 126.9 85.4
Deferred Income Taxes 48.1 43.8 33.6
Noncurrent Liabilities:      
Energy Supply Contract Obligations 8.3 12.6 17.1
Retirement Benefit Obligations 72.1 74.0 67.3
Environmental Obligations 14.5 14.5 14.3
Other Noncurrent Liabilities 7.4 8.5 10.3
Total Noncurrent Liabilities 102.3 109.6 109.0
TOTAL CAPITALIZATION AND LIABILITIES $ 727.6 $ 759.6 $ 705.6