Condensed Consolidated Income Statements - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Operating revenues	$ 1,698.7	$ 1,033.3	$ 4,077.8	$ 3,772.0
Cost of Sales	590.6	407.4	1,557.5	1,735.9
Other operation and maintenance	535.9	249.4	1,153.6	780.8
Depreciation and amortization	176.5	99.8	382.6	295.2
Property and revenue taxes	50.0	30.6	113.8	91.5
Total operating expenses	1,353.0	787.2	3,207.5	2,903.4
Operating income	345.7	246.1	870.3	868.6
Equity in earnings of transmission affiliate	40.0	18.0	70.4	52.8
Other Income, net	11.1	2.9	40.2	12.1
Interest expense	103.8	60.4	225.6	181.7
Other expense	(52.7)	(39.5)	(115.0)	(116.8)
Income before income taxes	293.0	206.6	755.3	751.8
Income Tax Expense	110.5	80.3	296.1	284.9
Net income	$ 182.5	$ 126.3	$ 459.2	$ 466.9
Earnings per share
Basic	$ 0.58	$ 0.56	$ 1.79	$ 2.07
Diluted	$ 0.58	$ 0.56	$ 1.78	$ 2.05
Weighted average common shares outstanding
Basic	315.7	225.5	256.2	225.6
Diluted	317.1	227.4	257.8	227.6
Dividends per share of common stock	$ 0.00	$ 0.39	$ 1.29	$ 1.17
Transmission Affiliate
Equity in earnings of transmission affiliate	$ 40.0	$ 18.0	$ 70.4	$ 52.8