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Regulatory Matters (Tables)
 3 Months Ended
Mar. 31, 2020
Regulated Operations [Abstract]  
Public Utilities Distribution Rate Cases [Table Text Block]
The following tables show the completed and pending distribution base rate case proceedings in 2020.
Completed Distribution Base Rate Case Proceedings
Registrant/Jurisdiction
Filing Date
Requested Revenue Requirement (Decrease) Increase
 
Approved Revenue Requirement (Decrease) Increase
 
Approved ROE
 
Approval Date
Rate Effective Date
ComEd - Illinois (Electric)(a)
April 8, 2019
$
(6
)
 
$
(17
)
 
8.91
%
 
December 4, 2019
January 1, 2020

__________
(a)
Reflects an increase of $51 million for the initial revenue requirement for 2019 and a decrease of $68 million related to the annual reconciliation for 2018. The revenue requirement for 2019 and annual reconciliation for 2018 provides for a weighted average debt and equity return on distribution rate base of 6.51%, inclusive of an allowed ROE of 8.91%, reflecting the average rate on 30-year treasury notes plus 580 basis points.
Pending Distribution Base Rate Case Proceedings
Registrant/Jurisdiction
Filing Date
Requested Revenue Requirement (Decrease) Increase
Requested ROE
Expected Approval Timing
ComEd - Illinois (Electric)(a)
April 16, 2020
$
(11
)
8.38
%
Fourth quarter of 2020
Pepco - District of Columbia (Electric)(b)
May 30, 2019 (amended April 8, 2020)
147

10.3
%
Fourth quarter of 2020
DPL - Maryland (Electric)
December 5, 2019 (amended April 23, 2020)
17

10.3
%
Third quarter of 2020
DPL - Delaware (Gas)(c)
February 21, 2020 (amended March 17, 2020)
9

10.3
%
First quarter of 2021
DPL - Delaware (Electric)(d)
March 6, 2020 (amended April 16, 2020)
24

10.3
%
First quarter of 2021
__________
(a)
Reflects an increase of $51 million for the initial revenue requirement for 2020 and a decrease of $62 million related to the annual reconciliation for 2019. The revenue requirement for 2020 and annual reconciliation for 2019 provides for a weighted average debt and equity return on distribution rate base of 6.28%, inclusive of an allowed ROE of 8.38%, reflecting the average rate on 30-year treasury notes plus 580 basis points.
(b)
Reflects a three-year cumulative multi-year plan and total requested revenue requirement increases of $77 million, $37 million and $33 million for years 2020, 2021, and 2022, respectively, to recover capital investments made in 2018 and 2019 and planned capital investments from 2020 to 2022.
(c)
The rates will go into effect on September 21, 2020, subject to refund.
(d)
The rates will go into effect on October 6, 2020, subject to refund.
Public Utilities General Disclosures [Table Text Block]
The following table presents authorized amounts capitalized for ratemaking purposes related to earnings on shareholders’ investment that are not recognized for financial reporting purposes in Exelon's and the Utility Registrant's Consolidated Balance Sheets. These amounts will be recognized as revenues in the related Consolidated Statements of Operations and Comprehensive Income in the periods they are billable to our customers.
 
Exelon
 
ComEd(a)
 
PECO
 
BGE(b)
 
PHI
 
Pepco(c)
 
DPL(c)
 
ACE
March 31, 2020
$
60

 
$
2

 
$
—

 
$
51

 
$
7

 
$
4

 
$
3

 
$
—

December 31, 2019
63

 
3

 
—

 
53

 
7

 
4

 
3

 
—

_________
(a)
Reflects ComEd's unrecognized equity returns earned for ratemaking purposes on its electric distribution formula rate regulatory assets.
(b)
BGE's authorized amounts capitalized for ratemaking purposes primarily relate to earnings on shareholders' investment on its AMI programs.
(c)
Pepco's and DPL's authorized amounts capitalized for ratemaking purposes relate to earnings on shareholders' investment on their respective AMI Programs and Energy Efficiency and Demand Response Programs. The earnings on energy efficiency are on Pepco DC and DPL DE programs only.