Consolidated Statements of Cash Flows - Evergy Kansas Central, Inc - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
CASH FLOWS FROM (USED IN) OPERATING ACTIVITIES:
Net income	$ 382.9	$ 208.5
Adjustments to reconcile income to net cash from operating activities:
Depreciation and amortization	444.5	440.1
Amortization of nuclear fuel	19.8	29.0
Amortization of deferred refueling outage	12.6	12.8
Amortization of corporate-owned life insurance	11.2	8.5
Non-cash compensation	7.3	8.7
Net deferred income taxes and credits	37.1	69.7
Allowance for equity funds used during construction	(14.3)	(4.6)
Payments for asset retirement obligations	(4.4)	(4.0)
Equity in earnings of equity method investees, net of income taxes	(4.1)	(4.2)
Income from corporate-owned life insurance	(1.2)	(6.3)
Other	0.5	0.5
Changes in working capital items:
Accounts receivable	(102.9)	(115.4)
Accounts receivable pledged as collateral	34.0	42.0
Fuel inventory and supplies	(33.3)	(38.4)
Prepaid expenses and other current assets	(88.0)	13.9
Accounts payable	(232.3)	(123.6)
Accrued taxes	62.4	27.9
Other current liabilities	(28.2)	(84.4)
Changes in other assets	(322.1)	66.0
Changes in other liabilities	43.1	(24.2)
Cash Flows from Operating Activities	224.6	522.5
CASH FLOWS FROM (USED IN) INVESTING ACTIVITIES:
Additions to property, plant and equipment	(891.1)	(635.6)
Purchase of securities - trusts	(53.0)	(36.9)
Sale of securities - trusts	44.9	30.3
Investment in corporate-owned life insurance	(13.5)	(16.1)
Proceeds from investment in corporate-owned life insurance	1.5	58.6
Other investing activities	(7.0)	(1.5)
Cash Flows used in Investing Activities	(918.2)	(601.2)
CASH FLOWS FROM (USED IN) FINANCING ACTIVITIES:
Short-term debt, net	598.0	(94.9)
Collateralized short-term debt, net	(34.0)	(42.0)
Proceeds from long-term debt	497.7	889.5
Retirements of long-term debt	(351.1)	(251.1)
Retirements of long-term debt of variable interest entities	(18.8)	(32.3)
Borrowings against cash surrender value of corporate-owned life insurance	51.8	53.4
Repayment of borrowings against cash surrender value of corporate-owned life insurance	(0.1)	(51.1)
Cash dividends paid	(244.0)	(229.0)
Other financing activities	(4.9)	(10.8)
Net Cash Provided by (Used in) Financing Activities, Total	607.1	231.7
NET CHANGE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	(86.5)	153.0
CASH, CASH EQUIVALENTS AND RESTRICTED CASH:
Beginning of period	144.9	23.2
End of period	58.4	176.2
Evergy Kansas Central
CASH FLOWS FROM (USED IN) OPERATING ACTIVITIES:
Net income	260.7	17.6
Adjustments to reconcile income to net cash from operating activities:
Depreciation and amortization	231.8	225.6
Amortization of nuclear fuel	9.8	14.5
Amortization of deferred refueling outage	6.3	6.4
Amortization of corporate-owned life insurance	11.2	8.5
Net deferred income taxes and credits	2.1	121.5
Allowance for equity funds used during construction	(8.7)	(3.9)
Payments for asset retirement obligations	0.0	(0.4)
Equity in earnings of equity method investees, net of income taxes	(1.9)	(2.2)
Income from corporate-owned life insurance	(1.2)	(6.3)
Other	(2.7)	(2.7)
Changes in working capital items:
Accounts receivable	(58.6)	(79.3)
Accounts receivable pledged as collateral	24.0	25.0
Fuel inventory and supplies	(4.4)	(14.7)
Prepaid expenses and other current assets	(63.3)	(2.1)
Accounts payable	(90.6)	17.4
Accrued taxes	(12.0)	10.1
Other current liabilities	(40.6)	(65.8)
Changes in other assets	(83.8)	23.2
Changes in other liabilities	(18.2)	(30.6)
Cash Flows from Operating Activities	159.9	261.8
CASH FLOWS FROM (USED IN) INVESTING ACTIVITIES:
Additions to property, plant and equipment	(394.7)	(284.0)
Purchase of securities - trusts	(39.5)	(11.8)
Sale of securities - trusts	36.4	10.2
Investment in corporate-owned life insurance	(13.5)	(15.3)
Proceeds from investment in corporate-owned life insurance	1.5	58.6
Other investing activities	1.0	(0.2)
Cash Flows used in Investing Activities	(408.8)	(242.5)
CASH FLOWS FROM (USED IN) FINANCING ACTIVITIES:
Short-term debt, net	244.0	(34.2)
Collateralized short-term debt, net	(24.0)	(25.0)
Proceeds from long-term debt	0.0	493.0
Retirements of long-term debt	0.0	(250.0)
Retirements of long-term debt of variable interest entities	(18.8)	(32.3)
Borrowings against cash surrender value of corporate-owned life insurance	48.9	50.4
Repayment of borrowings against cash surrender value of corporate-owned life insurance	(0.1)	(51.1)
Cash dividends paid	0.0	(120.0)
Other financing activities	(2.0)	(3.1)
Net Cash Provided by (Used in) Financing Activities, Total	248.0	27.7
NET CHANGE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	(0.9)	47.0
CASH, CASH EQUIVALENTS AND RESTRICTED CASH:
Beginning of period	28.7	5.2
End of period	$ 27.8	$ 52.2