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PROPERTY, PLANT AND EQUIPMENT (Details) - USD ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Property, Plant and Equipment [Line Items] |  |
Electric plant in service | $ 28,914.8 | $ 27,768.8
Electric plant acquisition adjustment | 724.3 | 740.6
Accumulated depreciation | (10,998.4) | (10,293.7)
Plant in service | 18,640.7 | 18,215.7
Construction work in progress | 1,153.5 | 839.2
Nuclear fuel, net | 155.9 | 128.5
Plant to be retired, net | 0.9 | 1.0
Property, plant and equipment, net | 19,951.0 | 19,184.4
Variable Interest Entities |  |
Property, Plant and Equipment [Line Items] |  |
Electric plant in service | 392.1 | 392.1
Accumulated depreciation | (237.2) | (230.1)
Property, plant and equipment, net | 154.9 | 162.0
Evergy Kansas Central |  |
Property, Plant and Equipment [Line Items] |  |
Electric plant in service | 14,095.1 | 13,538.1
Electric plant acquisition adjustment | 724.3 | 740.6
Accumulated depreciation | (5,293.5) | (4,951.5)
Plant in service | 9,525.9 | 9,327.2
Construction work in progress | 589.1 | 472.8
Nuclear fuel, net | 77.7 | 63.9
Plant to be retired, net | 0.9 | 1.0
Property, plant and equipment, net | 10,193.6 | 9,864.9
Evergy Kansas Central | Variable Interest Entities |  |
Property, Plant and Equipment [Line Items] |  |
Property, plant and equipment, net | 154.9 | 162.0
Evergy Metro |  |
Property, Plant and Equipment [Line Items] |  |
Electric plant in service | 11,161.8 | 10,776.5
Electric plant acquisition adjustment | 0.0 | 0.0
Accumulated depreciation | (4,532.7) | (4,272.0)
Plant in service | 6,629.1 | 6,504.5
Construction work in progress | 433.9 | 269.9
Nuclear fuel, net | 78.2 | 64.6
Plant to be retired, net | 0.0 | 0.0
Property, plant and equipment, net | $ 7,141.2 | $ 6,839.0

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- Definition The carrying amount as of the balance sheet of nuclear fuel held as property plant and equipment. This amount is net of amortization based on the energy produced over the life of the fuel. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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