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Schedule II, Valuation and Qualifying Accounts
 12 Months Ended
Dec. 31, 2024
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
Schedule II, Valuation and Qualifying Accounts
Xcel Energy Inc. and Subsidiaries Valuation and Qualifying Accounts Years Ended Dec. 31
Allowance for bad debtsNOL and tax credit valuation allowances
(Millions of Dollars)202420232022202420232022
Balance at Jan. 1$128 $122 $106 $70 $62 $64 
Additions charged to costs and expenses64 79 73 45 26 6 
Additions charged to other accounts16 
(a)
13 
(a)
26 
(a)
— — — 
Deductions from reserves(97)
(b)
(86)
(b)
(83)
(b)
(42)
(c)
(18)
(c)
(8)
(c)
Balance at Dec. 31$111 $128 $122 $73 $70 $62 
(a)Recovery of amounts previously written-off.
(b)Deductions related primarily to bad debt write-offs.
(c)Primarily reversals of valuation allowances on completed tax credit sales and reductions of valuation allowances for items forecasted to be used prior to expiration.