ASSET RETIREMENT OBLIGATIONS (Tables)

12 Months Ended

Dec. 31, 2023

Asset Retirement Obligation Disclosure [Abstract]

Schedule of Change in Asset Retirement Obligation

The following table summarizes the change in the Evergy Companies' AROs for the periods ending December 31, 2023 and 2022.

	Evergy				Evergy Kansas Central				Evergy Metro
	2023		2022		2023		2022		2023		2022
	(millions)
Beginning balance January 1	$	1,153.2	$	960.1	$	565.1	$	443.9	$	444.2	$	381.0
Additions	9.7		—		9.7		—		—		—
Revision in timing and/or estimates	3.2		161.8		1.6		103.1		1.6		51.3
Settlements	(21.8)		(13.0)		(9.8)		(6.9)		(8.6)		(5.3)
Accretion	58.8		44.3		32.7		25.0		23.2		17.2
Ending balance	$	1,203.1	$	1,153.2	$	599.3	$	565.1	$	460.4	$	444.2
Less: current portion	(40.3)		(40.4)		(22.2)		(21.3)		(16.0)		(17.1)
Total noncurrent asset    retirement obligation	$	1,162.8	$	1,112.8	$	577.1	$	543.8	$	444.4	$	427.1