5 Lessons Learned from the Pepco-Exelon Merger Battle in D.C.

The document examines the $6.8 billion merger between Exelon and Pepco, focusing on the contentious approval process in Washington, D.C. It uses this case to highlight five industry trends: increased utility consolidation to hedge against low wholesale power prices, disputes over microgrid ownership, the criticality of rate design equity, the rise of empowered local customer constituencies, and the proliferation of state-level power sector transformation proceedings.

• Low natural gas prices have depressed wholesale power prices, leading companies with significant merchant generation portfolios, such as nuclear-heavy Exelon, to acquire regulated assets to reduce exposure to competitive markets.
• The Pepco-Exelon merger highlights a growing conflict over the ownership and operation of microgrids, with concerns that utility ownership could undermine grid neutrality and competition.
• Equity in rate design is a critical factor in merger approvals, as seen in D.C. where disputes over whether rate relief should include non-residential customers led to the withdrawal of support from the Mayor and ratepayer advocate.
• Local customer mobilization is becoming a significant influence in utility proceedings, exemplified by the Power DC coalition which leveraged neighborhood-level organizing and City Council pressure to influence the D.C. Public Service Commission.
• Many U.S. states are initiating power sector reform proceedings to address distributed energy resource (DER) development, including D.C.'s grid modernization proceeding and similar efforts in New York, California, and Hawaii.

APA

RMI (2016). 5 Lessons Learned from the Pepco-Exelon Merger Battle in D.C. https://rmi.org/resources/5-lessons-learned-pepco-exelon-merger-battle-d-c/

Chicago

RMI. 5 Lessons Learned from the Pepco-Exelon Merger Battle in D.C. 2016. https://rmi.org/resources/5-lessons-learned-pepco-exelon-merger-battle-d-c/.

Wikipedia

{{cite report |author=RMI |title=5 Lessons Learned from the Pepco-Exelon Merger Battle in D.C. |date=30 March 2016 |url=https://rmi.org/resources/5-lessons-learned-pepco-exelon-merger-battle-d-c/ |access-date=17 August 2026 |via=Climate Insights Directory}}

BibTeX

@techreport{rmi2016lessons, author = {{RMI}}, title = {{5 Lessons Learned from the Pepco-Exelon Merger Battle in D.C.}}, institution = {RMI}, year = {2016}, month = mar, url = {https://rmi.org/resources/5-lessons-learned-pepco-exelon-merger-battle-d-c/}, urldate = {2026-08-17}, note = {Indexed by Climate Insights Directory} }