RATE MATTERS AND REGULATION (Tables)

12 Months Ended

Dec. 31, 2020

The Evergy Companies' regulatory assets and liabilities are detailed in the following tables.


	December 31
	2020						2019
	Evergy		Evergy Kansas Central		Evergy Metro		Evergy		Evergy Kansas Central		Evergy Metro
Regulatory Assets	(millions)
Pension and post-retirement costs	$	867.8	$	412.9	$	359.9	$	795.9	$	359.9	$	330.7
Debt reacquisition costs	98.9		91.3		6.8		105.8		97.3		7.5
Debt fair value adjustment	104.0		—		—		112.0		—		—
Asset retirement obligations fair value adjustment	116.2		—		—		114.3		—		—
Depreciation	70.0		52.7		9.4		55.3		55.3		—
Cost of removal	183.4		125.7		57.7		129.3		94.4		34.9
Asset retirement obligations	170.8		55.0		84.0		167.1		52.8		79.4
Analog meter unrecovered investment	24.1		24.1		—		29.9		29.9		—
Treasury yield hedges	21.5		21.5		—		22.6		22.6		—
Iatan No. 1 and common facilities	6.9		—		2.8		7.1		—		2.8
Iatan No. 2 construction accounting costs	25.4		—		12.7		26.1		—		13.1
Kansas property tax surcharge	28.9		23.7		5.2		21.7		18.7		3.0
Disallowed plant costs	14.5		14.5		—		14.8		14.8		—
La Cygne environmental costs	12.4		10.1		2.3		13.7		11.2		2.5
Deferred customer programs	16.3		5.7		8.6		18.0		6.2		8.3
Fuel recovery mechanisms	26.2		1.2		17.7		34.7		—		16.6
Solar rebates	25.9		—		1.5		39.8		—		9.0

Wolf Creek outage	10.0		5.0		5.0		31.0		15.5		15.5
Pension and other post-retirement benefit non-service costs	49.8		12.8		23.4		31.8		7.4		15.6
Retired generation facilities	128.4		—		—		130.5		—		—
Merger transition costs	37.6		18.0		13.9		42.3		20.3		15.6
Other regulatory assets	35.4		22.1		4.6		28.5		17.4		5.3
Total	2,074.4		896.3		615.5		1,972.2		823.7		559.8
Less: current portion	(206.2)		(96.2)		(82.0)		(231.7)		(93.3)		(95.4)
Total noncurrent regulatory assets	$	1,868.2	$	800.1	$	533.5	$	1,740.5	$	730.4	$	464.4


	December 31
	2020						2019
	Evergy		Evergy Kansas Central		Evergy Metro		Evergy		Evergy Kansas Central		Evergy Metro
Regulatory Liabilities	(millions)
Taxes refundable through future rates	$	2,055.7	$	1,184.5	$	650.2	$	1,656.5	$	856.4	$	568.9
Deferred regulatory gain from sale leaseback	48.1		48.1		—		53.6		53.6		—
Emission allowances	46.1		—		46.1		50.1		—		50.1
Nuclear decommissioning	319.7		138.2		181.5		267.3		116.5		150.8
Pension and post-retirement costs	50.8		31.4		13.1		59.3		31.5		20.3
Jurisdictional allowance for funds used during construction	28.7		27.0		1.7		28.7		28.7		—
La Cygne leasehold dismantling costs	29.6		29.6		—		29.6		29.6		—
Cost of removal	4.4		—		—		49.1		—		—
Kansas tax credits	—		—		—		17.0		17.0		—
Purchase power agreement	6.3		6.3		—		7.4		7.4		—

Fuel recovery mechanisms	1.3		—		—		34.1		30.2		—
Sibley AAO	18.4		—		—		10.2		—		—

Other regulatory liabilities	55.8		7.8		14.8		48.7		3.9		13.5
Total	2,664.9		1,472.9		907.4		2,311.6		1,174.8		803.6
Less: current portion	(26.1)		(11.9)		(8.0)		(63.3)		(42.3)		(11.4)
Total noncurrent regulatory liabilities	$	2,638.8	$	1,461.0	$	899.4	$	2,248.3	$	1,132.5	$	792.2