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SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS
 12 Months Ended
Dec. 31, 2021
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS
SCHEDULE II — VALUATION AND QUALIFYING ACCOUNTS
Years ended December 31, 2021, 2020 and 2019
Col. ACol. BCol. C Col. D Col. E
(in thousands) Additions    
DescriptionBalance
at begin-
ning of
period		Charged to
costs and
expenses		Charged
to other
accounts		 Deductions Balance at
end of
period
2021       
Allowance for uncollectible accounts – electric utility$17,809 $4,183 $11,795 (a)$7,687 (b)$26,100 
2020       
Allowance for uncollectible accounts – electric utility$1,377 $2,100 $18,041 (a)$3,709 (b)$17,809 
2019       
Allowance for uncollectible accounts – electric utility$1,480 $2,106 $795 (a)$3,004 (b)$1,377 
(a)Includes recoveries, as well as $10,700 and $16,700 of bad debt expenses for 2021 and 2020, respectively, that have been deferred to regulatory assets pursuant to a PUC order as the recovery is probable. Total deferred bad debt expense of $10,700 in 2021 is net of a $2,000 reversal associated with customer bill credits to be provided under the Utilities’ bill forgiveness program.
(b)Bad debts charged off.