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TAXES (Tables)

12 Months Ended

Dec. 31, 2023

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Expense (Benefit)

Components of income tax expense are detailed in the following tables.

Evergy															2023						2022						2021
Current income taxes															(millions)
Federal															$	25.3					$	31.9					$	15.6
State															6.9						8.3						(0.4)
Total															32.2						40.2						15.2
Deferred income taxes
Federal															10.2						17.2						92.8
State															(21.7)						(3.4)						14.7
Total															(11.5)						13.8						107.5
Investment tax credit
Deferral															2.2						—						0.4
Amortization															(7.3)						(6.5)						(5.7)
Total															(5.1)						(6.5)						(5.3)
Income tax expense															$	15.6					$	47.5					$	117.4

Evergy Kansas Central															2023						2022						2021
Current income taxes															(millions)
Federal															$	27.8					$	95.8					$	53.3
State															4.7						3.9						(0.2)
Total															32.5						99.7						53.1
Deferred income taxes
Federal															(29.3)						(78.7)						3.8
State															(7.4)						(4.6)						(1.2)
Total															(36.7)						(83.3)						2.6
Investment tax credit
Deferral															2.2						—						0.3
Amortization															(3.9)						(4.1)						(4.3)
Total															(1.7)						(4.1)						(4.0)
Income tax expense (benefit)															$	(5.9)					$	12.3					$	51.7

Evergy Metro															2023						2022						2021
Current income taxes															(millions)
Federal															$	13.2					$	(21.9)					$	39.2
State															3.7						4.1						3.2
Total															16.9						(17.8)						42.4
Deferred income taxes
Federal															33.6						69.9						6.5
State															(7.8)						0.6						4.8
Total															25.8						70.5						11.3
Investment tax credit amortization															(3.5)						(2.4)						(1.3)
Income tax expense															$	39.2					$	50.3					$	52.4

Schedule of Effective Income Tax Rate Reconciliation

Effective income tax rates reflected in the financial statements and the reasons for their differences from the statutory federal rates are detailed in the following tables.

Evergy															2023						2022						2021
Federal statutory income tax															21.0		%				21.0		%				21.0		%
COLI policies															(1.9)						(1.2)						(1.0)
State income taxes															(1.9)						0.3						1.0
Flow through depreciation for plant-related differences															(8.0)						(8.4)						(5.4)
Federal tax credits															(6.2)						(4.0)						(2.8)
Non-controlling interest															(0.3)						(0.3)						(0.3)
AFUDC equity															(0.3)						(0.6)						(0.6)
Amortization of federal investment tax credits															(0.7)						(0.6)						(0.4)
Valuation allowance															0.4						—						—
Stock compensation															—						(0.2)						—
Officer compensation limitation															0.3						0.3						0.5
Other															(0.4)						(0.5)						(0.4)
Effective income tax rate															2.0		%				5.8		%				11.6		%

Evergy Kansas Central															2023						2022						2021
Federal statutory income tax															21.0		%				21.0		%				21.0		%
COLI policies															(3.6)						(2.2)						(1.7)
State income taxes															(1.0)						(0.4)						(0.4)
Flow through depreciation for plant-related differences															(5.0)						(6.6)						(3.0)
Federal tax credits															(11.7)						(7.2)						(5.0)
Non-controlling interest															(0.7)						(0.6)						(0.5)
AFUDC equity															(0.4)						(0.4)						(0.6)
Amortization of federal investment tax credits															(0.6)						(0.5)						(0.5)
Valuation allowance															0.7						—						—
Stock compensation															—						(0.2)						(0.1)
Officer compensation limitation															—						0.1						0.3
Other															(0.3)						(0.2)						(0.1)
Effective income tax rate															(1.6)		%				2.8		%				9.4		%

Evergy Metro															2023						2022						2021
Federal statutory income tax															21.0		%				21.0		%				21.0		%
COLI policies															(0.1)						(0.1)						(0.2)
State income taxes															(0.9)						0.9						1.7
Flow through depreciation for plant-related differences															(7.6)						(7.2)						(7.8)
Federal tax credits															(0.7)						(0.1)						(0.2)
AFUDC equity															(0.3)						(0.7)						(0.7)
Amortization of federal investment tax credits															(0.9)						(0.6)						(0.4)
Stock compensation															0.1						(0.2)						—
Officer compensation limitation															0.5						0.5						0.9
Other															(0.5)						(1.1)						0.1
Effective income tax rate															10.6		%				12.4		%				14.4		%

Schedule of Deferred Income Tax Assets and Liabilities

The tax effects of major temporary differences resulting in deferred income tax assets (liabilities) in the consolidated balance sheets is in the following table.

			December 31
			2023																		2022
			Evergy						Evergy Kansas Central						Evergy Metro						Evergy						Evergy Kansas Central						Evergy Metro
Deferred tax assets:			(millions)
Tax credit carryforward			$	288.9					$	242.7					$	43.6					$	311.0					$	226.9					$	77.6
Income taxes refundable to customers, net			289.4						149.1						103.6						311.0						156.5						113.6
Deferred employee benefit costs			101.5						52.1						58.2						86.2						45.1						54.7
Net operating loss carryforward			22.5						—						—						31.7						—						—
Deferred state income taxes			141.0						99.2						36.2						145.6						99.8						38.6
Accrued liabilities			185.9						85.9						66.8						169.7						77.5						61.6
Other regulatory liabilities			132.0						86.4						17.1						116.4						43.7						30.6
Other			121.7						64.2						25.1						131.7						69.0						28.2
Total deferred tax assets before   valuation allowance			1,282.9						779.6						350.6						1,303.3						718.5						404.9
Valuation allowances			(14.8)						(2.7)						—						(12.8)						—						—
Total deferred tax assets, net			1,268.1						776.9						350.6						1,290.5						718.5						404.9
Deferred tax liabilities:
Plant-related			(2,818.4)						(1,397.1)						(1,030.2)						(2,770.9)						(1,333.2)						(1,016.4)
Deferred employee benefit costs			(11.1)						(10.6)						—						(8.8)						(8.3)						—
ARO regulatory assets			(159.1)						(67.2)						(60.3)						(144.3)						(59.4)						(54.3)
Acquisition premium			(37.4)						(37.4)						—						(40.6)						(40.6)						—
Other regulatory assets			(231.3)						(43.6)						(34.1)						(195.6)						(41.7)						(28.6)
Other			(108.7)						(65.2)						(23.2)						(126.9)						(79.8)						(26.5)
Total deferred tax liabilities			(3,366.0)						(1,621.1)						(1,147.8)						(3,287.1)						(1,563.0)						(1,125.8)
Net deferred income tax liabilities			$	(2,097.9)					$	(844.2)					$	(797.2)					$	(1,996.6)					$	(844.5)					$	(720.9)

Summary of Related Tax Benefit Amounts

The year of origin of Evergy's, Evergy Kansas Central's and Evergy Metro's related tax benefit amounts for federal tax credit carryforwards as of December 31, 2023 are detailed in the following table.

						Amount of Benefit
Year of Origin						Evergy						Evergy Kansas Central						Evergy Metro
						(millions)
2007						0.1						—						—
2016						8.5						3.2						4.6
2017						44.0						34.9						8.4
2018						43.9						36.3						7.5
2019						37.7						30.9						6.7
2020						35.9						28.4						7.4
2021						31.9						28.1						3.7
2022						34.8						31.7						2.6
2023						47.3						44.4						2.7
						$	284.1					$	237.9					$	43.6

Summary of Operating Loss Carryforwards

The year of origin of Evergy's related tax benefit amounts for federal NOL carryforwards as of December 31, 2023 are detailed in the following table.

Year of Origin						Amount of Benefit
						(millions)
2006						$	17.2

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