XML 102 R27.htm IDEA: XBRL DOCUMENT v2.4.0.8
Schedule II, Valuation and Qualifying Accounts
 12 Months Ended
Dec. 31, 2013
Valuation and Qualifying Accounts [Abstract]  
Schedule II, Valuation and Qualifying Accounts
SOUTHWESTERN PUBLIC SERVICE CO.
VALUATION AND QUALIFYING ACCOUNTS
YEARS ENDED DEC. 31, 2013, 2012 AND 2011
(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:
 
 
 
 
 
 
 
 
 
 
2013
 
$
4,722

 
$
3,437

 
$
1,076

 
$
3,760

 
$
5,475

2012
 
5,380

 
2,915

 
1,202

 
4,775

 
4,722

2011
 
5,095

 
3,655

 
1,139

 
4,509

 
5,380


(a) 
Recovery of amounts previously written off.
(b) 
Principally bad debts written off.