Consolidated Statements of Cash Flows - Evergy Metro, Inc - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
CASH FLOWS FROM (USED IN) OPERATING ACTIVITIES:
Net income	$ 576.0	$ 618.9
Adjustments to reconcile income to net cash from operating activities:
Depreciation and amortization	658.1	645.1
Amortization of nuclear fuel	43.8	42.6
Amortization of deferred refueling outage	19.1	19.4
Net deferred income taxes and credits	136.5	111.4
Allowance for equity funds used during construction	(9.9)	(0.9)
Payments for asset retirement obligations	(11.0)	(11.6)
Other	0.7	(3.6)
Changes in working capital items:
Accounts receivable	(68.6)	(68.4)
Accounts receivable pledged as collateral	(56.0)	(30.0)
Fuel inventory and supplies	(30.0)	57.0
Prepaid expenses and other current assets	20.9	65.7
Accounts payable	(87.5)	(111.5)
Accrued taxes	192.3	155.3
Other current liabilities	(43.9)	(77.7)
Changes in other assets	88.4	56.1
Changes in other liabilities	(21.2)	(22.5)
Cash Flows from Operating Activities	1,421.7	1,447.3
CASH FLOWS FROM (USED IN) INVESTING ACTIVITIES:
Additions to property, plant and equipment	(1,058.1)	(849.1)
Purchase of securities - trusts	(50.3)	(37.4)
Sale of securities - trusts	44.2	32.3
Other investing activities	(9.9)	0.2
Cash Flows used in Investing Activities	(1,029.9)	(772.1)
CASH FLOWS FROM (USED IN) FINANCING ACTIVITIES:
Short-term debt, net	(361.9)	(378.0)
Collateralized short-term debt, net	56.0	30.0
Proceeds from long-term debt	889.3	2,374.0
Retirements of long-term debt	(251.1)	(701.1)
Cash dividends paid	(343.6)	(347.5)
Other financing activities	(11.8)	(5.3)
Cash Flows used in Financing Activities	(53.4)	(785.4)
NET CHANGE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	338.4	(110.2)
CASH, CASH EQUIVALENTS AND RESTRICTED CASH:
Beginning of period	23.2	160.3
End of period	361.6	50.1
Evergy Metro
CASH FLOWS FROM (USED IN) OPERATING ACTIVITIES:
Net income	276.2	227.3
Adjustments to reconcile income to net cash from operating activities:
Depreciation and amortization	243.6	239.0
Amortization of nuclear fuel	22.1	21.4
Amortization of deferred refueling outage	9.5	9.7
Net deferred income taxes and credits	3.0	2.5
Allowance for equity funds used during construction	(4.1)	(0.9)
Payments for asset retirement obligations	(2.7)	(1.7)
Other	(0.3)	0.4
Changes in working capital items:
Accounts receivable	(84.3)	(4.1)
Accounts receivable pledged as collateral	(12.0)	0.0
Fuel inventory and supplies	(10.2)	20.4
Prepaid expenses and other current assets	(4.7)	36.2
Accounts payable	(20.1)	(66.3)
Accrued taxes	74.2	70.3
Other current liabilities	14.5	(49.0)
Changes in other assets	37.7	32.7
Changes in other liabilities	14.2	18.6
Cash Flows from Operating Activities	556.6	556.5
CASH FLOWS FROM (USED IN) INVESTING ACTIVITIES:
Additions to property, plant and equipment	(384.9)	(313.0)
Purchase of securities - trusts	(33.7)	(24.8)
Sale of securities - trusts	27.9	18.9
Net money pool lending	(78.0)	0.0
Other investing activities	2.5	5.1
Cash Flows used in Investing Activities	(466.2)	(313.8)
CASH FLOWS FROM (USED IN) FINANCING ACTIVITIES:
Short-term debt, net	(199.3)	(102.0)
Collateralized short-term debt, net	12.0	0.0
Proceeds from long-term debt	396.4	393.2
Retirements of long-term debt	0.0	(400.0)
Cash dividends paid	(80.0)	(135.0)
Other financing activities	2.8	1.9
Cash Flows used in Financing Activities	131.9	(241.9)
NET CHANGE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	222.3	0.8
CASH, CASH EQUIVALENTS AND RESTRICTED CASH:
Beginning of period	2.0	2.6
End of period	$ 224.3	$ 3.4