v3.26.1
RECEIVABLES (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Other receivables $ 157.4 $ 110.6
Allowance for credit losses (13.3) (15.3)
Total 401.4 214.2
Evergy Kansas Central    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Other receivables 141.5 101.1
Allowance for credit losses (6.5) (7.3)
Total 235.2 136.6
Evergy Metro    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Other receivables 22.7 21.6
Allowance for credit losses (5.0) (5.7)
Total 108.0 45.9
Customer accounts receivable | Billed    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Accounts receivable from subsidiaries 12.7 10.0
Customer accounts receivable | Unbilled    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Accounts receivable from subsidiaries 244.6 108.9
Customer accounts receivable | Unbilled | Evergy Kansas Central    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Accounts receivable from subsidiaries 100.2 42.8
Customer accounts receivable | Unbilled | Evergy Metro    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Accounts receivable from subsidiaries $ 90.3 $ 30.0