JOINTLY-OWNED ELECTRIC UTILITY PLANTS (Tables)

12 Months Ended

Dec. 31, 2020

Jointly Owned Electric Utility Plants [Abstract]

Schedule of Jointly Owned Utility Plants

Evergy's, Evergy Kansas Central's and Evergy Metro's share of jointly-owned electric utility plants at December 31, 2020, are detailed in the following tables.

Evergy
	Wolf Creek Unit			La Cygne Units (a)			Iatan No. 1 Unit			Iatan No. 2 Unit			Iatan Common			Jeffrey Energy Center			State Line
	(millions, except MW amounts)
Evergy's share		94%			100%			88%			73%			79%			100%			40%
Electric plant in service		$	4,059.1		$	2,207.6		$	773.3		$	1,404.3		$	499.7		$	2,435.4		$	115.0
Accumulated depreciation		1,970.3			779.4			265.7			459.3			127.8			984.1			80.6
Nuclear fuel, net		155.9			—			—			—			—			—			—
Construction work in progress		183.5			27.7			10.3			10.7			4.4			84.1			12.9
2021 accredited capacity-MWs		1,108			1,426			618			640			n/a			2,012			200

(a)    The VIE consolidated by Evergy and Evergy Kansas Central holds its 50% leasehold interest in La Cygne Unit 2. This 50% leasehold interest in La Cygne Unit 2 is reflected in the information provided above. See Note 19 for additional information.

Evergy Kansas Central
	Wolf Creek Unit			La Cygne Units (a)			Jeffrey Energy Center		State Line
	(millions, except MW amounts)
Evergy Kansas Central's share		47%			50%		92%			40%
Electric plant in service		$	1,995.2		$	1,046.5	$	2,229.5		$	115.0
Accumulated depreciation		956.6			446.2		895.3			80.6
Nuclear fuel, net		77.7			—		—			—
Construction work in progress		77.2			10.6		77.3			12.9
2021 accredited capacity-MWs		554			713		1,837			200

(a)    The VIE consolidated by Evergy and Evergy Kansas Central holds its 50% leasehold interest in La Cygne Unit 2. This 50% leasehold interest in La Cygne Unit 2 is reflected in the information provided above. See Note 19 for additional information.

Evergy Metro
	Wolf Creek Unit			La Cygne Units			Iatan No. 1 Unit			Iatan No. 2 Unit			Iatan Common
	(millions, except MW amounts)
Evergy Metro's share		47%			50%			70%			55%			61%
Electric plant in service		$	2,063.9		$	1,161.1		$	600.2		$	1,065.3		$	396.5
Accumulated depreciation		1,013.7			333.2			204.7			397.4			110.5
Nuclear fuel, net		78.2			—			—			—			—
Construction work in progress		106.3			17.1			8.3			8.0			3.1
2021 accredited capacity-MWs		554			713			492			482			n/a