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CONDENSED CONSOLIDATED STATEMENTS OF INCOME (USD $)
In Millions
3 Months Ended 6 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Jun. 30, 2011
Jun. 30, 2010
Operating revenues $ 351.0 $ 345.0 $ 792.8 $ 812.0
Cost of fuel, natural gas, and purchased power 160.1 151.7 377.7 375.7
Operating and maintenance expense 115.1 107.1 224.2 219.2
Depreciation and amortization expense 23.7 28.7 47.7 57.3
Taxes other than income taxes 11.9 11.0 24.2 23.5
Operating income 40.2 46.5 119.0 136.3
Miscellaneous income 4.3 4.5 7.2 7.3
Interest expense (14.0) (13.4) (28.3) (27.1)
Other expense (9.7) (8.9) (21.1) (19.8)
Income before taxes 30.5 37.6 97.9 116.5
Provision for income taxes 12.1 13.1 35.2 43.7
Net income 18.4 24.5 62.7 72.8
Preferred stock dividend requirements (0.8) (0.8) (1.6) (1.6)
Net income attributed to common shareholder $ 17.6 $ 23.7 $ 61.1 $ 71.2