CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 147.3	$ 165.7
Adjustments to reconcile net income to net cash provided from operating activities:
Depreciation and amortization	166.7	159.7
Deferred income taxes and investment tax credits, net	(1.9)	19.4
Equity in earnings of unconsolidated affiliates	(66.5)	(63.2)
Distributions from unconsolidated affiliates	70.6	63.2
Allowance for equity funds used during construction	(2.7)	(13.3)
Stock-based compensation expense	5.9	5.8
Regulatory assets	(25.6)	(1.6)
Regulatory liabilities	(21.1)	1.9
Other assets	3.2	(7.3)
Other liabilities	13.9	(0.6)
Change in certain current assets and liabilities:
Accounts receivable and accrued unbilled revenues, net	(12.5)	(51.5)
Increase (Decrease) in Income Taxes Receivable	(3.6)	2.0
Fuel, materials and supplies inventories	7.2	0.1
Fuel recoveries	(28.9)	37.0
Other current assets	(4.5)	22.0
Accounts payable	(83.4)	(45.7)
Other current liabilities	(36.1)	50.0
Net cash provided from operating activities	128.8	354.2
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures (less allowance for equity funds used during construction)	(314.5)	(273.8)
Investment in unconsolidated affiliates	(3.2)	(0.5)
Return of capital - unconsolidated affiliates	0.0	7.4
Net cash used in investing activities	(317.7)	(266.9)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from Issuance of Long-term Debt	295.9	0.0
Increase in short-term debt	207.5	31.7
Payment of long-term debt	(250.0)	0.0
Dividends paid on common stock	(148.6)	(133.0)
Expense of common stock	(10.2)	(0.4)
Net cash provided from (used in) financing activities	94.6	(101.7)
NET CHANGE IN CASH AND CASH EQUIVALENTS	(94.3)	(14.4)
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	94.3	14.4
CASH AND CASH EQUIVALENTS AT END OF PERIOD	$ 0.0	$ 0.0