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Schedule II - Valuation and Qualifying Accounts
 12 Months Ended
Dec. 31, 2019
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
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, 2019
 
 
 
 
 
 
 
 
 
 
Allowance for uncollectible accounts(a)
 
$
319


$
119


$
26

(c) 
$
170

(e) 
$
294

Deferred tax valuation allowance
 
35


—


(9
)

—

 
26

Reserve for obsolete materials
 
156


6


—

(d) 
7

 
155

For the year ended December 31, 2018
 







 


Allowance for uncollectible accounts(a)
 
$
322


$
159


$
35

(c) 
$
197

(e) 
$
319

Deferred tax valuation allowance
 
37


—


5


7

 
35

Reserve for obsolete materials
 
174


25


(31
)

12

 
156

For the year ended December 31, 2017
 







 


Allowance for uncollectible accounts(a)
 
$
334


$
126


$
27

(b)(c) 
$
165

(e) 
$
322

Deferred tax valuation allowance
 
20


—


17

(b) 
—

 
37

Reserve for obsolete materials
 
113


56


10

(b) 
5

 
174

__________
(a)
Excludes the non-current allowance for uncollectible accounts related to PECO’s installment plan receivables of $9 million, $13 million, and $15 million for the years ended December 31, 2019, 2018 and 2017, respectively.
(b)
Primarily represents the addition of PHI's results as of March 23, 2016, the date of the merger.
(c)
Includes charges for late payments and non-service receivables.
(d)
Primarily reflects the reclassification of assets as held for sale.
(e)
Write-off of individual accounts receivable.
Exelon Generation Company, LLC and Subsidiary Companies
(2) Generation
(i)
 
Financial Statements (Item 8):
 
 
 
 
Report of Independent Registered Public Accounting Firm dated February 11, 2020 of PricewaterhouseCoopers LLP
 
 
 
 
Consolidated Statements of Operations and Comprehensive Income for the Years Ended December 31, 2019, 2018 and 2017
 
 
 
 
Consolidated Statements of Cash Flows for the Years Ended December 31, 2019, 2018 and 2017
 
 
 
 
Consolidated Balance Sheets at December 31, 2019 and 2018
 
 
 
 
Consolidated Statements of Changes in Equity for the Years Ended December 31, 2019, 2018 and 2017
 
 
 
 
Notes to Consolidated Financial Statements
 
 
(ii)
 
Financial Statement Schedule:
 
 
 
 
Schedule II—Valuation and Qualifying Accounts for the Years Ended December 31, 2019, 2018 and 2017
 
 
 
 
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, 2019
 
 
 
 
 
 
 
 
 
 
Allowance for uncollectible accounts
 
$
104


$
27


$
(11
)

$
39

 
$
81

Deferred tax valuation allowance
 
26


—


(2
)
 
—

 
24

Reserve for obsolete materials
 
145


—


—


2

 
143

For the year ended December 31, 2018
 







 


Allowance for uncollectible accounts
 
$
114


$
44


$
4

 
$
58

 
$
104

Deferred tax valuation allowance
 
23


—


3

 
—

 
26

Reserve for obsolete materials
 
166


20


(32
)
(a) 
9

 
145

For the year ended December 31, 2017
 







 


Allowance for uncollectible accounts
 
$
91


$
34


$
—


$
11

 
$
114

Deferred tax valuation allowance
 
9

 
—

 
14

 
—

 
23

Reserve for obsolete materials
 
106


51


9


—

 
166

__________
(a)
Primarily reflects the reclassification of assets as held for sale.
Commonwealth Edison Company and Subsidiary Companies
(3) ComEd
(i)
 
Financial Statements (Item 8):
 
 
 
 
Report of Independent Registered Public Accounting Firm dated February 11, 2020 of PricewaterhouseCoopers LLP
 
 
 
 
Consolidated Statements of Operations and Comprehensive Income for the Years Ended December 31, 2019, 2018 and 2017
 
 
 
 
Consolidated Statements of Cash Flows for the Years Ended December 31, 2019, 2018 and 2017
 
 
 
 
Consolidated Balance Sheets at December 31, 2019 and 2018
 
 
 
 
Consolidated Statements of Changes in Shareholders’ Equity for the Years Ended December 31, 2019, 2018 and 2017
 
 
 
 
Notes to Consolidated Financial Statements
 
 
(ii)
 
Financial Statement Schedule:
 
 
 
 
Schedule II—Valuation and Qualifying Accounts for the Years Ended December 31, 2019, 2018 and 2017
 
 
 
 
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, 2019
 
 
 
 
 
 
 
 
 
 
Allowance for uncollectible accounts
 
$
81


$
35


$
20

(a) 
$
57

(b) 
$
79

Reserve for obsolete materials
 
6


6


—


5

 
7

For the year ended December 31, 2018
 







 


Allowance for uncollectible accounts
 
$
73


$
44


$
23

(a) 
$
59

(b) 
$
81

Reserve for obsolete materials
 
5


3


1


3

 
6

For the year ended December 31, 2017
 







 


Allowance for uncollectible accounts
 
$
70


$
39


$
20

(a) 
$
56

(b) 
$
73

Reserve for obsolete materials
 
4


3


1


3

 
5

__________
(a)
Primarily charges for late payments and non-service receivables.
(b)
Write-off of individual accounts receivable.
PECO Energy Company and Subsidiary Companies
(4) PECO
(i)
 
Financial Statements (Item 8):
 
 
 
 
Report of Independent Registered Public Accounting Firm dated February 11, 2020 of PricewaterhouseCoopers LLP
 
 
 
 
Consolidated Statements of Operations and Comprehensive Income for the Years Ended December 31, 2019, 2018 and 2017
 
 
 
 
Consolidated Statements of Cash Flows for the Years Ended December 31, 2019, 2018 and 2017
 
 
 
 
Consolidated Balance Sheets at December 31, 2019 and 2018
 
 
 
 
Consolidated Statements of Changes in Shareholder's Equity for the Years Ended December 31, 2019, 2018 and 2017
 
 
 
 
Notes to Consolidated Financial Statements
 
 
(ii)
 
Financial Statement Schedule:
 
 
 
 
Schedule II—Valuation and Qualifying Accounts for the Years Ended December 31, 2019, 2018 and 2017
 
 
 
 
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, 2019
 
 
 
 
 
 
 
 
 
 
Allowance for uncollectible accounts(a)
 
$
61


$
31


$
3

(b)  
$
33

(c)  
$
62

Reserve for obsolete materials
 
2


—


—


—

 
2

For the year ended December 31, 2018
 







 


Allowance for uncollectible accounts(a)
 
$
56


$
33


$
3

(b)  
$
31

(c)  
$
61

Reserve for obsolete materials
 
2


—


—


—

 
2

For the year ended December 31, 2017
 







 


Allowance for uncollectible accounts(a)
 
$
61


$
26


$
4

(b)  
$
35

(c)  
$
56

Reserve for obsolete materials
 
2


—


—


—

 
2

__________
(a)
Excludes the non-current allowance for uncollectible accounts related to PECO’s installment plan receivables of $9 million, $13 million, and $15 million for the years ended December 31, 2019, 2018, and 2017, respectively.
(b)
Primarily charges for late payments.
(c)
Write-off of individual accounts receivable.
Baltimore Gas and Electric Company and Subsidiary Companies
(5) BGE
(i)
 
Financial Statements (Item 8):
 
 
 
 
Report of Independent Registered Public Accounting Firm dated February 11, 2020 of PricewaterhouseCoopers LLP
 
 
 
 
Consolidated Statements of Operations and Comprehensive Income for the Years Ended December 31, 2019, 2018 and 2017
 
 
 
 
Consolidated Statements of Cash Flows for the Years Ended December 31, 2019, 2018 and 2017
 
 
 
 
Consolidated Balance Sheets at December 31, 2019 and 2018
 
 
 
 
Consolidated Statements of Changes in Shareholder's Equity for the Years Ended December 31, 2019, 2018 and 2017
 
 
 
 
Notes to Consolidated Financial Statements
 
 
(ii)
 
Financial Statement Schedule:
 
 
 
 
Schedule II—Valuation and Qualifying Accounts for the Years Ended December 31, 2019, 2018 and 2017
 
 
 
 
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, 2019
 
 
 
 
 
 
 
 
 
 
Allowance for uncollectible accounts
 
$
20


$
8


$
7


$
18

(a) 
$
17

Deferred tax valuation allowance
 
1


—


—


—

 
1

Reserve for obsolete materials
 
1


—


—


—

 
1

For the year ended December 31, 2018
 







 


Allowance for uncollectible accounts
 
$
24


$
10


$
(2
)

$
12

(a) 
$
20

Deferred tax valuation allowance
 
1


—


—


—

 
1

Reserve for obsolete materials
 
—


1


—


—

 
1

For the year ended December 31, 2017
 







 


Allowance for uncollectible accounts
 
$
32


$
8


$
(3
)

$
13

(a) 
$
24

Deferred tax valuation allowance
 
1

 
—

 
—

 
—

 
1

Reserve for obsolete materials
 
—

 
—

 
—

 
—

 
—

__________
(a)
Write-off of individual accounts receivable.
Pepco Holdings LLC and Subsidiary Companies
(6) PHI
(i)
 
Financial Statements (Item 8):
 
 
 
 
Report of Independent Registered Public Accounting Firm dated February 11, 2020 of PricewaterhouseCoopers LLP
 
 
 
 
Consolidated Statements of Operations and Comprehensive Income for the Years Ended December 31, 2019, 2018 and 2017
 
 
 
 
Consolidated Statements of Cash Flows for the Years Ended December 31, 2019, 2018 and 2017
 
 
 
 
Consolidated Balance Sheets at December 31, 2019 and 2018
 
 
 
 
Consolidated Statements of Changes in Equity for the Years Ended December 31, 2019, 2018 and 2017
 
 
 
 
Notes to Consolidated Financial Statements
 
 
 
(ii)
 
Financial Statement Schedule:
 
 
 
 
Schedule II – Valuation and Qualifying Accounts for the Years Ended December 31, 2019, 2018 and 2017
 
 
 
 
 
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
Pepco Holdings 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, 2019
 
 
 
 
 
 
 
 
 
 
Allowance for uncollectible accounts
 
$
53

 
$
17

 
$
7

(a) 
$
24

(b) 
$
53

Deferred tax valuation allowance
 
8

 
—

 
(8
)
 
—

 
—

Reserve for obsolete materials
 
2

 
1

 
—

 
—

 
3

For the Year Ended December 31, 2018
 
 
 
 
 
 
 
 
 
 
Allowance for uncollectible accounts
 
$
55

 
$
28

 
$
7

(a) 
$
37

(b) 
$
53

Deferred tax valuation allowance
 
13

 
—

 
2

 
7

 
8

Reserve for obsolete materials
 
2

 
—

 
—

 
—

 
2

For the Year Ended December 31, 2017
 
 
 
 
 
 
 
 
 
 
Allowance for uncollectible accounts
 
$
80

 
$
19

 
$
6

(a) 
$
50

(b) 
$
55

Deferred tax valuation allowance
 
10

 
—

 
3

 
—

 
13

Reserve for obsolete materials
 
2

 
2

 
—

 
2

 
2

__________
(a)
Primarily charges for late payments.
(b)
Write-off of individual accounts receivable.
Potomac Electric Power Company
(7) Pepco
(i)
 
Financial Statements (Item 8):
 
 
 
 
Report of Independent Registered Public Accounting Firm dated February 11, 2020 of PricewaterhouseCoopers LLP
 
 
 
 
Statements of Operations and Comprehensive Income for the Years Ended December 31, 2019, 2018 and 2017
 
 
 
 
Statements of Cash Flows for the Years Ended December 31, 2019, 2018 and 2017
 
 
 
 
Balance Sheets at December 31, 2019 and 2018
 
 
 
 
Statements of Changes in Shareholder's Equity for the Years Ended December 31, 2019, 2018 and 2017
 
 
 
 
Notes to Financial Statements
 
 
(ii)
 
Financial Statement Schedule:
 
 
 
 
Schedule II—Valuation and Qualifying Accounts for the Years Ended December 31, 2019, 2018 and 2017
 
 
 
 
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
Potomac Electric Power Company
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, 2019
 
 
 
 
 
 
 
 
 
 
Allowance for uncollectible accounts
 
$
21

 
$
7

 
$
2

(a) 
$
10

(b) 
$
20

Reserve for obsolete materials
 
1

 
—

 
—

 
—

 
1

For the year ended December 31, 2018
 
 
 
 
 
 
 
 
 
 
Allowance for uncollectible accounts
 
$
21

 
$
11

 
$
3

(a) 
$
14

(b) 
$
21

Reserve for obsolete materials
 
1

 
—

 
—

 
—

 
1

For the year ended December 31, 2017
 
 
 
 
 
 
 
 
 
 
Allowance for uncollectible accounts
 
$
29

 
$
8

 
$
2

(a) 
$
18

(b) 
$
21

Reserve for obsolete materials
 
1

 
1

 
—

 
1

 
1

__________
(a)
Primarily charges for late payments.
(b)
Write-off of individual accounts receivable.
Delmarva Power & Light Company
(8) DPL
(i)
 
Financial Statements (Item 8):
 
 
 
 
Report of Independent Registered Public Accounting Firm dated February 11, 2020 of PricewaterhouseCoopers LLP
 
 
 
 
Statements of Operations and Comprehensive Income for the Years Ended December 31, 2019, 2018 and 2017
 
 
 
 
Statements of Cash Flows for the Years Ended December 31, 2019, 2018 and 2017
 
 
 
 
Balance Sheets at December 31, 2019 and 2018
 
 
 
 
Statements of Changes in Shareholder's Equity for the Years Ended December 31, 2019, 2018 and 2017
 
 
 
 
Notes to Financial Statements
 
 
(ii)
 
Financial Statement Schedule:
 
 
 
 
Schedule II—Valuation and Qualifying Accounts for the Years Ended December 31, 2019, 2018 and 2017
 
 
 
 
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
Delmarva Power & Light Company
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, 2019
 
 
 
 
 
 
 
 
 
 
Allowance for uncollectible accounts
 
$
13

 
$
4

 
$
3

(a) 
$
5

(b) 
$
15

Reserve for obsolete materials
 
—

 
—

 
—

 
—

 
—

For the year ended December 31, 2018
 
 
 
 
 
 
 
 
 
 
Allowance for uncollectible accounts
 
$
16

 
$
6

 
$
2

(a) 
$
11

(b) 
$
13

Reserve for obsolete materials
 
—

 
—

 
—

 
—

 
—

For the year ended December 31, 2017
 
 
 
 
 
 
 
 
 
 
Allowance for uncollectible accounts
 
$
24

 
$
3

 
$
2

(a) 
$
13

(b) 
$
16

Reserve for obsolete materials
 
—

 
1

 
—

 
1

 
—

__________
(a)
Primarily charges for late payments.
(b)
Write-off of individual accounts receivable.
Atlantic City Electric Company and Subsidiary Company
(9) ACE
(i)
 
Financial Statements (Item 8):
 
 
 
 
Report of Independent Registered Public Accounting Firm dated February 11, 2020 of PricewaterhouseCoopers LLP
 
 
 
 
Consolidated Statements of Operations and Comprehensive Income for the Years Ended December 31, 2019, 2018 and 2017
 
 
 
 
Consolidated Statements of Cash Flows for the Years Ended December 31, 2019, 2018 and 2017
 
 
 
 
Consolidated Balance Sheets at December 31, 2019 and 2018
 
 
 
 
Consolidated Statements of Changes in Shareholder's Equity for the Years Ended December 31, 2019, 2018 and 2017
 
 
 
 
Notes to Consolidated Financial Statements
 
 
(ii)
 
Financial Statement Schedule:
 
 
 
 
Schedule II—Valuation and Qualifying Accounts for the Years Ended December 31, 2019, 2018 and 2017
 
 
 
 
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
Atlantic City Electric Company and Subsidiary Company
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, 2019
 
 
 
 
 
 
 
 
 
 
Allowance for uncollectible accounts
 
$
19

 
$
5

 
$
2

(a) 
$
8

(b) 
$
18

Reserve for obsolete materials
 
1

 
—

 
—

 
—

 
1

For the year ended December 31, 2018
 
 
 
 
 
 
 
 
 
 
Allowance for uncollectible accounts
 
$
18

 
$
11

 
$
2

(a) 
$
12

(b) 
$
19

Reserve for obsolete materials
 
1

 
—

 
—

 
—

 
1

For the year ended December 31, 2017
 
 
 
 
 
 
 
 
 
 
Allowance for uncollectible accounts
 
$
27

 
$
8

 
$
2

(a) 
$
19

(b) 
$
18

Reserve for obsolete materials
 
1

 
—

 
—

 
—

 
1

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