XML 40 R27.htm IDEA: XBRL DOCUMENT v3.3.1.900
Schedule II, Valuation and Qualifying Accounts
 12 Months Ended
Dec. 31, 2015
Valuation and Qualifying Accounts [Abstract]  
Schedule II, Valuation and Qualifying Accounts
SOUTHWESTERN PUBLIC SERVICE CO.
VALUATION AND QUALIFYING ACCOUNTS
YEARS ENDED DEC. 31, 2015, 2014 AND 2013
(amounts in thousands)
 
 
 
 
Additions
 
 
 
 
 
 
Balance at
Jan. 1
 
Charged to
Costs and
Expenses
 
Charged to
Other
Accounts(a)
 
Deductions
from
Reserves (b)
 
Balance at
Dec. 31
Allowance for bad debts:
 
 
 
 
 
 
 
 
 
 
2015
 
$
5,839

 
$
4,655

 
$
1,036

 
$
5,642

 
$
5,888

2014
 
5,475

 
4,137

 
1,089

 
4,862

 
5,839

2013
 
4,722

 
3,437

 
1,076

 
3,760

 
5,475


(a) 
Recovery of amounts previously written off.
(b) 
Deductions relate primarily to bad debt write-offs.