CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
OPERATING REVENUES	$ 549.9	$ 611.8	$ 1,030.0	$ 1,172.2
COST OF SALES	210.9	270.9	422.5	564.3
OPERATING EXPENSES
Other operation and maintenance	113.2	111.4	224.9	223.8
Depreciation and amortization	76.2	68.3	152.1	135.5
Taxes other than income	22.4	19.4	46.9	45.0
Total operating expenses	211.8	199.1	423.9	404.3
OPERATING INCOME	127.2	141.8	183.6	203.6
OTHER INCOME (EXPENSE)
Equity in earnings of unconsolidated affiliates	28.2	39.3	59.9	87.2
Allowance for equity funds used during construction	1.7	0.8	3.2	1.9
Other income	5.6	3.1	10.5	4.5
Other expense	(2.2)	(2.1)	(3.2)	(5.4)
Net other income	33.3	41.1	70.4	88.2
INTEREST EXPENSE
Interest on long-term debt	37.0	37.8	73.9	72.9
Allowance for borrowed funds used during construction	(0.8)	(0.5)	(1.6)	(1.1)
Interest on short-term debt and other interest charges	1.8	2.1	3.1	3.5
Interest expense	38.0	39.4	75.4	75.3
INCOME BEFORE TAXES	122.5	143.5	178.6	216.5
INCOME TAX EXPENSE	35.0	42.7	47.9	66.4
NET INCOME	$ 87.5	$ 100.8	$ 130.7	$ 150.1
BASIC AVERAGE COMMON SHARES OUTSTANDING	199.6	199.2	199.6	199.0
DILUTED AVERAGE COMMON SHARES OUTSTANDING	199.6	200.0	199.6	199.8
BASIC EARNINGS PER AVERAGE COMMON SHARE	$ 0.44	$ 0.51	$ 0.66	$ 0.75
DILUTED EARNINGS PER AVERAGE COMMON SHARE	0.44	0.50	0.66	0.75
DIVIDENDS DECLARED PER COMMON SHARE	$ 0.25000	$ 0.22500	$ 0.50000	$ 0.45000