ASSET RETIREMENT OBLIGATIONS (Tables)

9 Months Ended

Sep. 30, 2020

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 September 30, 2020 and December 31, 2019.

	Evergy				Evergy Kansas Central				Evergy Metro
	2020		2019		2020		2019		2020		2019
	(millions)
Beginning balance January 1	$	674.1	$	687.1	$	272.9	$	281.1	$	253.6	$	261.0
Revision in timing and/or estimates	257.0		(22.3)		136.9		(12.4)		118.4		(9.9)
Settlements	(11.0)		(17.8)		(2.1)		(14.8)		(2.7)		(2.5)
Accretion	28.7		27.1		14.2		19.0		12.1		5.0
Ending balance	$	948.8	$	674.1	$	421.9	$	272.9	$	381.4	$	253.6
Less: current portion	(66.5)		(71.3)		(23.3)		(23.3)		(33.0)		(36.1)
Total noncurrent asset retirement obligation	$	882.3	$	602.8	$	398.6	$	249.6	$	348.4	$	217.5