Consolidated Statements of Cash Flows - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
CASH FLOWS FROM (USED IN) OPERATING ACTIVITIES:
Net income	$ 682.5	$ 754.4
Adjustments to reconcile income to net cash from operating activities:
Depreciation and amortization	806.1	694.3
Amortization of nuclear fuel	46.8	47.7
Amortization of deferred refueling outage	13.7	18.8
Amortization of corporate-owned life insurance	19.4	18.3
Non-cash compensation	14.0	15.2
Net deferred income taxes and credits	18.6	54.6
Allowance for equity funds used during construction	(6.6)	(18.3)
Payments for asset retirement obligations	(9.4)	(9.4)
Equity in earnings of equity method investees, net of income taxes	(5.3)	(5.5)
Income from corporate-owned life insurance	(26.2)	(1.2)
Sibley Unit 3 impairment loss	0.0	6.0
Other	1.0	0.9
Changes in working capital items:
Accounts receivable	(7.2)	(127.8)
Accounts receivable pledged as collateral	(36.0)	(76.0)
Fuel inventory and supplies	(66.3)	(48.0)
Prepaid expenses and other current assets	105.9	16.1
Accounts payable	(194.2)	(142.6)
Accrued taxes	171.3	204.8
Other current liabilities	(68.2)	(43.2)
Changes in other assets	16.5	92.8
Changes in other liabilities	75.3	31.8
Cash Flows from Operating Activities	1,551.7	1,477.7
CASH FLOWS FROM (USED IN) INVESTING ACTIVITIES:
Additions to property, plant and equipment	(1,657.9)	(1,614.6)
Acquisition of Persimmon Creek, net of cash acquired	(217.9)	0.0
Purchase of securities - trusts	(30.7)	(28.5)
Sale of securities - trusts	22.8	22.3
Investment in corporate-owned life insurance	(15.4)	(15.5)
Proceeds from investment in corporate-owned life insurance	118.2	3.4
Other investing activities	(11.0)	7.8
Cash Flows used in Investing Activities	(1,791.9)	(1,625.1)
CASH FLOWS FROM (USED IN) FINANCING ACTIVITIES:
Short-term debt, net	344.7	62.9
Proceeds from term loan facility	0.0	500.0
Collateralized short-term borrowings, net	36.0	76.0
Proceeds from long-term debt	690.3	246.9
Retirements of long-term debt	(350.0)	(387.5)
Borrowings against cash surrender value of corporate-owned life insurance	52.1	52.4
Repayment of borrowings against cash surrender value of corporate-owned life insurance	(89.8)	(1.2)
Cash dividends paid	(422.0)	(394.1)
Other financing activities	(5.3)	(9.5)
Cash Flows from Financing Activities	256.0	145.9
NET CHANGE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	15.8	(1.5)
CASH, CASH EQUIVALENTS AND RESTRICTED CASH:
Beginning of period	25.2	26.2
End of period	$ 41.0	$ 24.7