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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating activities
Net income	$ 507.6	$ 568.0
Reconciliation to cash provided by operating activities
Depreciation and amortization	305.5	278.1
Deferred income taxes and ITCs, net	56.5	103.8
Contributions and payments related to pension and OPEB plans	(5.5)	(3.6)
Equity income in transmission affiliates, net of distributions	(6.4)	(7.7)
Change in –
Accounts receivable and unbilled revenues, net	60.7	(174.3)
Materials, supplies, and inventories	293.6	267.0
Prepaid taxes	48.8	62.5
Collateral on deposit	(91.8)	0.2
Other current assets	40.6	21.3
Accounts payable	(424.7)	(293.8)
Temporary LIFO liquidation credit	43.8	130.7
Collateral received	0.0	132.5
Other current liabilities	19.9	26.3
Other, net	(52.5)	(34.2)
Net cash provided by operating activities	796.1	1,076.8
Investing activities
Capital expenditures	(499.4)	(383.5)
Acquisition of Whitewater	(76.0)	0.0
Acquisition of Sapphire Sky, net of cash acquired of $0.3	(442.6)	0.0
Acquisition of Samson I, net of cash acquired of $5.2	(249.4)	0.0
Capital contributions to transmission affiliates	(6.1)	(21.1)
Proceeds from the sale of assets	4.6	9.7
Proceeds from the sale of investments held in rabbi trust	10.4	15.4
Insurance proceeds received for property damage	0.0	41.0
Other, net	(9.4)	0.3
Net cash used in investing activities	(1,267.9)	(338.2)
Financing activities
Exercise of stock options	0.9	11.8
Purchase of common stock	(6.9)	(23.4)
Dividends paid on common stock	(246.1)	(229.6)
Issuance of long-term debt	1,100.0	0.0
Retirement of long-term debt	(35.2)	(15.4)
Change in commercial paper	(385.4)	(447.9)
Payments for debt issuance costs	(7.0)	(0.8)
Other, net	(2.7)	(1.2)
Net cash provided by (used in) financing activities	417.6	(706.5)
Net change in cash, cash equivalents, and restricted cash	(54.2)	32.1
Cash, cash equivalents, and restricted cash at beginning of period	182.2	87.5
Cash, cash equivalents, and restricted cash at end of period	$ 128.0	$ 119.6

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