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Schedule II - Valuation and Qualifying Accounts
 12 Months Ended
Dec. 31, 2015
Valuation and Qualifying Accounts [Abstract]  
Schedule II - Valuation and Qualifying Accounts
Exelon Corporation and Subsidiary Companies
 
Schedule II – Valuation and Qualifying Accounts

Column A
Column B
 
Column C
 
Column D
 
Column E
 
 
 
Additions and adjustments
 
 
 
 
Description
Balance at
Beginning
of Period
 
Charged to
Costs and
Expenses
 
Charged
to Other
Accounts
 
Deductions
 
Balance at
End
of Period
 
(in millions)
For the year ended December 31, 2015
 
 
 
 
 
 
 
 
 
Allowance for uncollectible accounts (a)
$
311


$
113


$
27

 (b)  
$
167

 (c)  
$
284

Deferred tax valuation allowance
50


—


(27
)

10

  
13

Reserve for obsolete materials
95


10


2

  
2

  
105

For the year ended December 31, 2014







 


Allowance for uncollectible accounts (a)
$
272


$
175


$
69

 (b)  
$
205

 (c)  
$
311

Deferred tax valuation allowance
13


—


37


—

  
50

Reserve for obsolete materials
58


5


34


2

  
95

For the year ended December 31, 2013







 


Allowance for uncollectible accounts (a)
$
293


$
121


$
37

 (b)  
$
179

 (c)  
$
272

Deferred tax valuation allowance
36


1


—


24

  
13

Reserve for obsolete materials
53


17


—


12

  
58

___________________
(a)
Excludes the non-current allowance for uncollectible accounts related to PECO’s installment plan receivables of $8 million, $8 million, and $9 million for the years ended December 31, 2015, 2014, and 2013, respectively.
(b)
Includes charges for late payments and non-service receivables.
(c)
Write-off of individual accounts receivable.
Exelon Generation Company, LLC and Subsidiary Companies
 
Schedule II – Valuation and Qualifying Accounts

Generation
 
1.
  
Financial Statements:
 
 
 
  
Report of Independent Registered Public Accounting Firm dated February 10, 2016 of PricewaterhouseCoopers LLP
 
 
 
  
Consolidated Statements of Operations and Comprehensive Income for the Years Ended December 31, 2015, 2014 and 2013
 
 
 
  
Consolidated Statements of Cash Flows for the Years Ended December 31, 2015, 2014 and 2013
 
 
 
  
Consolidated Balance Sheets at December 31, 2015 and 2014
 
 
 
  
Consolidated Statements of Changes in Member’s Equity for the Years Ended December 31, 2015, 2014 and 2013
 
 
 
  
Notes to Consolidated Financial Statements
 
 
2.
  
Financial Statement Schedules:
 
 
 
  
Schedule II – Valuation and Qualifying Accounts
 
 
 
  
Schedules not included are omitted because of the absence of conditions under which they are required or because the required information is provided in the consolidated financial statements, including the notes thereto

Exelon Generation Company, LLC and Subsidiary Companies
 
Schedule II – Valuation and Qualifying Accounts

Column A
Column B
 
Column C
 
Column D
 
Column E
 
 
 
Additions and adjustments
 
 
 
 
Description
Balance at
Beginning
of Period
 
Charged to
Costs and
Expenses
 
Charged
to Other
Accounts
 
Deductions
 
Balance at
End
of Period
 
(in millions)
For the year ended December 31, 2015
 
 
 
 
 
 
 
 
 
Allowance for uncollectible accounts
$
60


$
22


$
—

 
$
5

 
$
77

Deferred tax valuation allowance
48


—


(27
)
 
10

 
11

Reserve for obsolete materials
93


9


—

 
—

 
102

For the year ended December 31, 2014







 


Allowance for uncollectible accounts
$
57


$
14


$
8

 
$
19

 
$
60

Deferred tax valuation allowance
11


—


37

 
—

 
48

Reserve for obsolete materials
55


5


32

 
(1
)
 
93

For the year ended December 31, 2013







 


Allowance for uncollectible accounts
$
84


$
(16
)

$
—


$
11

 
$
57

Deferred tax valuation allowance
35

 
1

 
—

 
25

 
11

Reserve for obsolete materials
50


16


—


11

 
55

Commonwealth Edison Company and Subsidiary Companies
 
Schedule II – Valuation and Qualifying Accounts
 
ComEd
1.
  
Financial Statements:
 
 
 
  
Report of Independent Registered Public Accounting Firm dated February 10, 2016 of PricewaterhouseCoopers LLP
 
 
 
  
Consolidated Statements of Operations and Comprehensive Income for the Years Ended December 31, 2015, 2014 and 2013
 
 
 
  
Consolidated Statements of Cash Flows for the Years Ended December 31, 2015, 2014 and 2013
 
 
 
  
Consolidated Balance Sheets at December 31, 2015 and 2014
 
 
 
  
Consolidated Statements of Changes in Shareholders’ Equity for the Years Ended December 31, 2015, 2014 and 2013
 
 
 
  
Notes to Consolidated Financial Statements
 
 
2.
  
Financial Statement Schedules:
 
 
 
  
Schedule II – Valuation and Qualifying Accounts
 
 
 
  
Schedules not included are omitted because of the absence of conditions under which they are required or because the required information is provided in the consolidated financial statements, including the notes thereto
Commonwealth Edison Company and Subsidiary Companies
 
Schedule II – Valuation and Qualifying Accounts
 
Column A
Column B
 
Column C
 
Column D
 
Column E
 
 
 
Additions and adjustments
 
 
 
 
Description
Balance at
Beginning
of Period
 
Charged to
Costs and
Expenses
 
Charged
to Other
Accounts
 
Deductions
 
Balance at
End
of Period
 
(in millions)
For the year ended December 31, 2015
 
 
 
 
 
 
 
 
 
Allowance for uncollectible accounts
$
84


$
39


$
18

 (a)  
$
66

 (b)  
$
75

Reserve for obsolete materials
2


1


2

  
2

  
3

For the year ended December 31, 2014







 


Allowance for uncollectible accounts
$
62


$
45


$
33

 (a)  
$
56

 (b)  
$
84

Reserve for obsolete materials
2


—


2

  
2

  
2

For the year ended December 31, 2013







 


Allowance for uncollectible accounts
$
70


$
33


$
29

 (a)  
$
70

 (b)  
$
62

Reserve for obsolete materials
2


1


—

  
1

  
2

_____________________
(a)
Primarily charges for late payments and non-service receivables.
(b)
Write-off of individual accounts receivable.
PECO Energy Company and Subsidiary Companies
 
Schedule II – Valuation and Qualifying Accounts
 
PECO
1.
  
Financial Statements:
 
 
 
  
Report of Independent Registered Public Accounting Firm dated February 10, 2016 of PricewaterhouseCoopers LLP
 
 
 
  
Consolidated Statements of Operations and Comprehensive Income for the Years Ended December 31, 2015, 2014 and 2013
 
 
 
  
Consolidated Statements of Cash Flows for the Years Ended December 31, 2015, 2014 and 2013
 
 
 
  
Consolidated Balance Sheets at December 31, 2015 and 2014
 
 
 
  
Consolidated Statements of Changes in Shareholders’ Equity for the Years Ended December 31, 2015, 2014 and 2013
 
 
 
  
Notes to Consolidated Financial Statements
 
 
2.
  
Financial Statement Schedules:
 
 
 
  
Schedule II – Valuation and Qualifying Accounts
 
 
 
  
Schedules not included are omitted because of the absence of conditions under which they are required or because the required information is provided in the consolidated financial statements, including the notes thereto
PECO Energy Company and Subsidiary Companies
 
Schedule II – Valuation and Qualifying Accounts
 
Column A
Column B
 
Column C
 
Column D
 
Column E
 
 
 
Additions and adjustments
 
 
 
 
Description
Balance at
Beginning
of Period
 
Charged to
Costs and
Expenses
 
Charged
to Other
Accounts
 
Deductions
 
Balance at
End
of Period
 
(in millions)
For the year ended December 31, 2015
 
 
 
 
 
 
 
 
 
Allowance for uncollectible accounts (a)
$
100


$
37


$
9

 (b)  
$
63

 (c)  
$
83

Reserve for obsolete materials
1


—


—

  
—

  
1

For the year ended December 31, 2014







 


Allowance for uncollectible accounts (a)
$
107


$
52


$
11

 (b)  
$
70

 (c)  
$
100

Reserve for obsolete materials
1


—


—

  
—

  
1

For the year ended December 31, 2013







 


Allowance for uncollectible accounts (a)
$
99


$
61


$
7

 (b)  
$
60

 (c)  
$
107

Reserve for obsolete materials
1


—


—

  
—

  
1

_____________________
(a)
Excludes the non-current allowance for uncollectible accounts related to PECO’s installment plan receivables of $8 million, $8 million, and $9 million for the years ended December 31, 2015, 2014, and 2013, respectively.
(b)
Primarily charges for late payments.
(c)
Write-off of individual accounts receivable.
Baltimore Gas and Electric Company and Subsidiary Companies
 
Schedule II – Valuation and Qualifying Accounts
 
BGE
1.
  
Financial Statements:
 
 
 
  
Report of Independent Registered Public Accounting Firm dated February 10, 2016 of PricewaterhouseCoopers LLP
 
 
 
  
Consolidated Statements of Operations and Comprehensive Income for the Years Ended December 31, 2015, 2014 and 2013
 
 
 
  
Consolidated Statements of Cash Flows for the Years Ended December 31, 2015, 2014 and 2013
 
 
 
  
Consolidated Balance Sheets at December 31, 2015 and 2014
 
 
 
  
Consolidated Statements of Changes in Shareholders’ Equity for the Years Ended December 31, 2015, 2014 and 2013
 
 
 
  
Notes to Consolidated Financial Statements
 
 
2.
  
Financial Statement Schedules:
 
 
 
  
Schedule II – Valuation and Qualifying Accounts
 
 
 
  
Schedules not included are omitted because of the absence of conditions under which they are required or because the required information is provided in the consolidated financial statements, including the notes thereto
Baltimore Gas and Electric Company and Subsidiary Companies
 
Schedule II – Valuation and Qualifying Accounts
 
Column A
Column B
 
Column C
 
Column D
 
Column E
 
 
 
Additions and adjustments
 
 
 
 
Description
Balance at
Beginning
of Period
 
Charged to
Costs and
Expenses
 
Charged
to Other
Accounts
 
Deductions
 
Balance at
End
of Period
 
(in millions)
For the year ended December 31, 2015
 
 
 
 
 
 
 
 
 
Allowance for uncollectible accounts
$
67


$
15


$
—

 (b)  
$
33

 (a)  
$
49

Deferred tax valuation allowance
1


—


—

  
—

  
1

Reserve for obsolete materials
—


—


—

  
—

  
—

For the year ended December 31, 2014







 


Allowance for uncollectible accounts
$
46


$
64


$
17

 (b)  
$
60

 (a)  
$
67

Deferred tax valuation allowance
1


—


—

  
—

  
1

Reserve for obsolete materials
1


—


—

  
1

  
—

For the year ended December 31, 2013







 


Allowance for uncollectible accounts
$
40


$
43


$
1

  
$
38

 (a)  
$
46

Deferred tax valuation allowance
1

 
—

 
—

 
—

 
1

Reserve for obsolete materials
1

 
—

 
—

 
—

 
1

_____________________
(a)
Write-off of individual accounts receivable.
(b)
Primarily charges for late payments.