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Schedule II - Valuation and Qualifying Accounts
12 Months Ended
Dec. 31, 2011
Schedule Of Valuation And Qualifying Accounts [Line Items]  
Valuation and Qualifying Accounts
                 
PROGRESS ENERGY, INC.
Schedule II - Valuation and Qualifying Accounts
For the Years Ended December 31
(in millions)
                 
DescriptionBalance at Beginning of Period Additions Charged to Expenses Charged to Other Accounts Deductions(a) Balance at End of Period
                 
Valuation and qualifying accounts deducted on the balance sheet from the related assets:
                 
2011              
 Uncollectible accounts$ 35 $ 10 $ 1 $ (19)(b) $ 27
 Inventory valuation(c)  17   2   -   (2)   17
 Fossil fuel plants dismantlement              
  reserve  144   4   -   -   148
 Nuclear refueling outage reserve  15   5   -   -   20
 Deferred tax asset valuation              
  allowance  60   11   -   -   71
                 
2010              
 Uncollectible accounts$ 18 $ 18 $ 24(b) $ (25) $ 35
 Inventory valuation(c)  14   3   -   -   17
 Fossil fuel plants dismantlement              
  reserve  143   4   -   (3)   144
 Nuclear refueling outage reserve  5   13   -   (3)   15
 Deferred tax asset valuation              
  allowance  55   5   -   -   60
                 
2009              
 Uncollectible accounts$ 18 $ 32 $ - $ (32) $ 18
 Inventory valuation(c)  -   14   -   -   14
 Fossil fuel plants dismantlement              
  reserve  145   1   -   (3)   143
 Nuclear refueling outage reserve  14   18   -   (27)   5
 Deferred tax asset valuation              
  allowance  55   -   -   -   55
                 
(a) Deductions from valuation accounts represent write-offs, net of recoveries, or the release of valuation allowances.
(b) Includes $6 million deduction in 2011 and $18 million charge in 2010 related to other noncustomer receivables.
(c) Relates to the impact of PEC's decision to retire 11 coal-fired units prior to the end of their estimated useful lives.
                 

CAROLINA POWER & LIGHT COMPANY
d/b/a PROGRESS ENERGY CAROLINAS, INC.
Schedule II - Valuation and Qualifying Accounts
For the Years Ended December 31
(in millions)
 
DescriptionBalance at Beginning of Period Additions Charged to Expenses Charged to Other Accounts Deductions(a) Balance at End of Period
                 
Valuation and qualifying accounts deducted on the balance sheet from the related assets:
                 
2011              
 Uncollectible accounts$ 10 $ 2 $ - $ (3) $ 9
 Inventory valuation(b)  17   2   -   (2)   17
                 
2010              
 Uncollectible accounts$ 8 $ 3 $ 2 $ (3) $ 10
 Inventory valuation(b)  14   3   -   -   17
                 
2009              
 Uncollectible accounts$ 6 $ 14 $ 1 $ (13) $ 8
 Inventory valuation(b)  -   14   -   -   14
                 
(a)  Deductions from valuation accounts represent write-offs, net of recoveries.
(b)  Relates to the impact of PEC's decision to retire 11 coal-fired units prior to the end of their estimated useful lives.
                 

FLORIDA POWER CORPORATION
d/b/a PROGRESS ENERGY FLORIDA, INC.
Schedule II - Valuation and Qualifying Accounts
For the Years Ended December 31
(in millions)
                 
DescriptionBalance at Beginning of Period Additions Charged to Expenses Charged to Other Accounts Deductions(a) Balance at End of Period
                 
Valuation and qualifying accounts deducted on the balance sheet from the related assets:
                 
2011              
 Uncollectible accounts$ 25 $ 8 $ 1 $ (16)(b) $ 18
 Fossil fuel plants dismantlement              
  reserve  144   4   -   -   148
 Nuclear refueling outage reserve  15   5   -   -   20
                 
2010              
 Uncollectible accounts$ 10 $ 15 $ 22(b) $ (22) $ 25
 Fossil fuel plants dismantlement              
  reserve  143   4   -   (3)   144
 Nuclear refueling outage reserve  5   13   -   (3)   15
                 
2009              
 Uncollectible accounts$ 11 $ 18 $ (1) $ (18) $ 10
 Fossil fuel plants dismantlement              
  reserve  145   1   -   (3)   143
 Nuclear refueling outage reserve  14   18   -   (27)   5
                 
(a) Deductions from valuation accounts represent write-offs, net of recoveries.
(b) Includes $6 million deduction in 2011 and $18 million charge in 2010 related to other noncustomer receivables.
                 
PEC
 
Schedule Of Valuation And Qualifying Accounts [Line Items]  
Valuation and Qualifying Accounts
CAROLINA POWER & LIGHT COMPANY
d/b/a PROGRESS ENERGY CAROLINAS, INC.
Schedule II - Valuation and Qualifying Accounts
For the Years Ended December 31
(in millions)
 
DescriptionBalance at Beginning of Period Additions Charged to Expenses Charged to Other Accounts Deductions(a) Balance at End of Period
                 
Valuation and qualifying accounts deducted on the balance sheet from the related assets:
                 
2011              
 Uncollectible accounts$ 10 $ 2 $ - $ (3) $ 9
 Inventory valuation(b)  17   2   -   (2)   17
                 
2010              
 Uncollectible accounts$ 8 $ 3 $ 2 $ (3) $ 10
 Inventory valuation(b)  14   3   -   -   17
                 
2009              
 Uncollectible accounts$ 6 $ 14 $ 1 $ (13) $ 8
 Inventory valuation(b)  -   14   -   -   14
                 
(a)  Deductions from valuation accounts represent write-offs, net of recoveries.
(b)  Relates to the impact of PEC's decision to retire 11 coal-fired units prior to the end of their estimated useful lives.
                 
PEF
 
Schedule Of Valuation And Qualifying Accounts [Line Items]  
Valuation and Qualifying Accounts
FLORIDA POWER CORPORATION
d/b/a PROGRESS ENERGY FLORIDA, INC.
Schedule II - Valuation and Qualifying Accounts
For the Years Ended December 31
(in millions)
                 
DescriptionBalance at Beginning of Period Additions Charged to Expenses Charged to Other Accounts Deductions(a) Balance at End of Period
                 
Valuation and qualifying accounts deducted on the balance sheet from the related assets:
                 
2011              
 Uncollectible accounts$ 25 $ 8 $ 1 $ (16)(b) $ 18
 Fossil fuel plants dismantlement              
  reserve  144   4   -   -   148
 Nuclear refueling outage reserve  15   5   -   -   20
                 
2010              
 Uncollectible accounts$ 10 $ 15 $ 22(b) $ (22) $ 25
 Fossil fuel plants dismantlement              
  reserve  143   4   -   (3)   144
 Nuclear refueling outage reserve  5   13   -   (3)   15
                 
2009              
 Uncollectible accounts$ 11 $ 18 $ (1) $ (18) $ 10
 Fossil fuel plants dismantlement              
  reserve  145   1   -   (3)   143
 Nuclear refueling outage reserve  14   18   -   (27)   5
                 
(a) Deductions from valuation accounts represent write-offs, net of recoveries.
(b) Includes $6 million deduction in 2011 and $18 million charge in 2010 related to other noncustomer receivables.