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Regulatory Matters (Tables)
9 Months Ended
Sep. 30, 2014
Regulated Operations [Abstract]  
Schedule of Current Base Rate Approval to Increase Annual Revenue

The following table shows, for each of PHI’s utility subsidiaries, the distribution base rate cases completed to date in 2014. Additional information concerning each of these cases is provided in the discussion below.

 

Jurisdiction/Company

   Approved Revenue
Requirement Increase
     Approved Return
on Equity
    Completion
Date
   Rate Effective
Date
     (millions of dollars)                  

DC – Pepco

   $  23.4         9.40   March 26, 2014    April 16, 2014

DE – DPL (Electric)

   $  15.1         9.70   April 2, 2014    May 1, 2014

MD – Pepco

   $  8.8         9.62   July 2, 2014    July 4, 2014

NJ – ACE

   $  19.0         9.75   August 20, 2014    September 1, 2014