CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Operating activities
Net income	$ 455.2	$ 444.8
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation and amortization	482.2	452.2
Deferred income taxes	26.0	24.1
Amortization of investment tax credits	(1.9)	(1.9)
Allowance for equity funds used during construction	(29.5)	(12.9)
Provision for bad debts	16.1	11.4
Net realized and unrealized hedging and derivative transactions	(11.2)	64.5
Changes in operating assets and liabilities:
Accounts receivable	(19.3)	1.7
Accrued unbilled revenues	72.1	84.8
Inventories	(11.4)	(15.1)
Other current assets	(9.6)	(12.4)
Accounts payable	(50.5)	(96.0)
Net regulatory assets and liabilities	31.3	72.3
Other current liabilities	(40.9)	(66.3)
Pension and other employee benefit obligations	(44.9)	(44.4)
Other, net	(5.9)	(72.4)
Net cash provided by operating activities	857.8	834.4
Investing activities
Utility capital/construction expenditures	(1,292.9)	(1,098.6)
Investments in utility money pool arrangement	(366.0)	(397.0)
Repayments from utility money pool arrangement	366.0	397.0
Net cash used in investing activities	(1,292.9)	(1,098.6)
Financing activities
Repayments of short-term borrowings, net	0.0	(307.0)
Borrowings under utility money pool arrangement	1,382.0	58.0
Repayments under utility money pool arrangement	(1,360.0)	(58.0)
Proceeds from issuance of long-term debt	734.6	928.6
Repayments of long-term debt	(400.0)	(400.0)
Capital contributions from parent	787.7	632.7
Dividends paid to parent	(703.7)	(295.4)
Other, net	(0.3)	0.0
Net cash provided by financing activities	440.3	558.9
Net change in cash and cash equivalents	5.2	294.7
Cash and cash equivalents at beginning of period	11.4
Cash and cash equivalents at end of period	16.6	328.1
Supplemental disclosure of cash flow information:
Cash paid for interest (net of amounts capitalized)	(183.6)	(173.4)
Cash paid for income taxes, net	(16.8)	(43.7)
Supplemental disclosure of non-cash investing and financing transactions:
Accrued property, plant and equipment additions	159.0	228.5
Inventory transfers to property, plant and equipment	26.4	24.4
Operating lease right-of-use assets	14.4	653.8
Allowance for equity funds used during construction	$ 29.5	$ 12.9