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SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS AND RESERVES
 12 Months Ended
Dec. 31, 2018
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
Schedule II: Valuation and Qualifying Accounts and Reserves
SCHEDULE II: VALUATION AND QUALIFYING ACCOUNTS AND RESERVES

Puget Energy and
Puget Sound Energy
(Dollars in Thousands)
Balance at
Beginning of
Period
 
Additions
Charged to
Costs and
Expenses
 
Deductions
 
Balance
at End
of Period
Year Ended December 31, 2018
 
 
 
 
 
 
 
Accounts deducted from assets on balance sheet:
 
 
 
 
 
 
 
Allowance for doubtful accounts receivable
$
8,901

 
$
24,846

 
$
25,339

 
$
8,408

Year Ended December 31, 2017
 

 
 

 
 

 
 

Accounts deducted from assets on balance sheet:
 

 
 

 
 

 
 

Allowance for doubtful accounts receivable
$
9,798

 
$
26,266

 
$
27,163

 
$
8,901

Year Ended December 31, 2016
 

 
 

 
 

 
 

Accounts deducted from assets on balance sheet:
 

 
 

 
 

 
 

Allowance for doubtful accounts receivable
$
9,756

 
$
24,389

 
$
24,347

 
$
9,798