Consolidated Condensed Statements of Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Revenues
Regulated electric	$ 585.2	$ 559.3	$ 1,506.6	$ 1,540.8
Regulated gas	138.6	131.5	522.9	518.1
Unregulated	2.9	3.0	9.0	8.5
Total revenues	726.7	693.8	2,038.5	2,067.4
Expenses
Fuel	173.5	176.6	426.1	492.5
Purchased power	38.3	23.8	80.5	60.5
Cost of natural gas sold	53.2	42.0	200.8	194.1
Other	153.6	150.1	452.2	451.9
Merger transaction-related costs	37.9	15.4	109.4	15.4
Depreciation and amortization	92.0	87.8	272.0	260.3
Taxes, other than income	56.3	51.5	160.8	156.6
Total expenses	604.8	547.2	1,701.8	1,631.3
Income from operations	121.9	146.6	336.7	436.1
Other income
Allowance for other funds used during construction	6.5	4.7	18.1	12.2
Other income, net	2.1	1.4	4.6	4.4
Total other income	8.6	6.1	22.7	16.6
Interest charges
Interest expense	47.1	48.4	142.7	146.4
Allowance for borrowed funds used during construction	(3.2)	(2.3)	(9.1)	(6.0)
Total interest charges	43.9	46.1	133.6	140.4
Income from continuing operations before provision for income taxes	86.6	106.6	225.8	312.3
Provision for income taxes	17.2	41.7	77.2	122.1
Net income from continuing operations	69.4	64.9	148.6	190.2
Discontinued operations
Loss from discontinued operations	(0.2)	(17.8)	(0.4)	(105.5)
Benefit for income taxes	0.2	6.1	0.3	38.3
Loss from discontinued operations, net	0.0	(11.7)	(0.1)	(67.2)
Net income	$ 69.4	$ 53.2	$ 148.5	$ 123.0