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RECEIVABLES (Details) - USD ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Other receivables | $ 177.9 | $ 127.8
Allowance for credit losses | (19.3) | (10.5)
Total | 273.9 | 228.5
Evergy Kansas Central |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Other receivables | 175.7 | 94.5
Allowance for credit losses | (7.5) | (3.8)
Total | 218.9 | 140.4
Evergy Metro |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Other receivables | 21.9 | 23.1
Allowance for credit losses | (8.1) | (4.6)
Total | 45.0 | 48.1
Customer accounts receivable | Billed |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Customer accounts receivable | 5.3 | 7.2
Customer accounts receivable | Billed | Evergy Kansas Central |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Customer accounts receivable | 0.0 | 0.0
Customer accounts receivable | Billed | Evergy Metro |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Customer accounts receivable | 3.3 | 3.1
Customer accounts receivable | Unbilled |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Customer accounts receivable | 110.0 | 104.0
Customer accounts receivable | Unbilled | Evergy Kansas Central |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Customer accounts receivable | 50.7 | 49.7
Customer accounts receivable | Unbilled | Evergy Metro |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Customer accounts receivable | $ 27.9 | $ 26.5

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