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Private company

Potomac Electric Power Company

Logo: Potomac Electric Power Company (PEPCO), Public domain, via Wikimedia Commons4

American energy company

The Potomac Electric Power Company (PEPCO) is an American utility company that supplies electric power to the city of Washington, D.C., and to surrounding communities in Maryland. It is owned by Exelon.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

Apr 28, 1896Founded1
  • Industryenergy supply1
  • HeadquartersWashington, United States1
  • Founded inWashington, D.C.1
  • Websitewww.pepco.com
  • Legal formprivately held company1
  • LEI549300BXF2DWUNN57U063
  • StatusActive3
  • LEI statusLapsed (not renewed)3
  • Registered addressC/O Corporate Creations Network Inc., 23434 Suffolk, United States3
  • Registered withState Corporation Commission, 006043553

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PEPCO Building
Photo: AgnosticPreachersKid, CC BY-SA 3.0, via Wikimedia Commons5

The Potomac Electric Power Company (PEPCO) is an American utility company that supplies electric power to the city of Washington, D.C., and to surrounding communities in Maryland. It is owned by Exelon.2

Corporate structure

Potomac Electric Power Company is part of a group headed by Exelon. 66 entities, 2 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

  • Exelon Chicago, Illinois, United States
    • Commonwealth Edison Chicago, Illinois, United States
      • Commonwealth Subsidiary Corporation Subsidiary · United States
    • PECO Energy Company Philadelphia, Pennsylvania, United States
    • Pepco Holdings, Inc. Washington, the District of Columbia, United States
      • AMP Funding, L.L.C. Subsidiary · Delaware, United States
      • Atlantic City Electric Company Subsidiary · New Jersey, United States
      • Atlantic City Electric Transition Funding LLC Subsidiary · Delaware, United States
      • Atlantic Generation, Inc. Subsidiary · New Jersey, United States
      • Atlantic Southern Properties, Inc. Subsidiary · New Jersey, United States
      • ATNP Finance Company Subsidiary · Delaware, United States
      • Clean Jobs for Pennsylvania, LLC Subsidiary · Delaware, United States
      • ComEd Financing III Subsidiary · Delaware, United States
      • Commonwealth Edison Company of Indiana, Inc. Subsidiary · Indiana, United States
      • Conectiv Communications, Inc. Subsidiary · Delaware, United States
      • Conectiv Energy Supply, Inc. Subsidiary · Delaware, United States
      • Conectiv Properties and Investments, Inc. Subsidiary · Delaware, United States
      • Conectiv Solutions LLC Subsidiary · Delaware, United States
      • Conectiv, LLC Subsidiary · Delaware, United States
      • Data Center Enterprise, LLC Subsidiary · Delaware, United States
      • Delaware Operating Services Company, LLC Subsidiary · Delaware, United States
      • E&W Development Corporation Subsidiary · Florida, United States
      • EdiSun, LLC Subsidiary · Delaware, United States
      • ETT Canada, Inc. Subsidiary · New Brunswick, Canada
      • Ex-FM, Inc. Subsidiary · New York, United States
      • Ex-FME, Inc. Subsidiary · Delaware, United States
      • Exelon Business Services Company, LLC Subsidiary · Delaware, United States
      • Exelon Energy Delivery Company, LLC Subsidiary · Delaware, United States
      • Exelon Enterprises Company, LLC Subsidiary · Pennsylvania, United States
      • Exelon Genesis, LLC Subsidiary · Delaware, United States
      • and 32 more
    • Potomac Electric Power Company Washington, the District of Columbia, United States
    • Delmarva Power Subsidiary · Wilmington
    • BALTIMORE GAS AND ELECTRIC COMPANY Subsidiary · Baltimore, Maryland, United States
    • DELMARVA POWER & LIGHT COMPANY Subsidiary · Newark, Delaware, United States

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries listed in Exhibit 21 of annual reports filed with the SEC; subsidiaries, stakes and holdings from Wikidata (CC0). Each entity in the chart links to its source.

Subsidiaries and ownership

Parent company

Former owners and parents

From Wikidata.1

Timeline

  1. Mar 23, 2016Acquired Acquired by Exelon1
  2. 2001Acquired Acquired by Pepco Holdings, Inc.1
  3. Apr 28, 1896Founded Founded in Washington, D.C.1

Funding

Where the company's money came from, by calendar year: private offerings filed with the SEC, federal grants, loans, contracts and other assistance from USAspending.gov, and PPP loans from the SBA. Each bar links to the records below.

Money received by year$2.3B 2008–2026
Money received by yearMoney received by year, 2008–2026: $2.3B in all. Federal grants $193.9M; Federal contracts $2.1B.$0$100M$200M$300M2008 · Federal contracts: $95.3M20082009 · Federal grants: $104.8M2009 · Federal contracts: $105.1M2010 · Federal grants: $89.2M2010 · Federal contracts: $168.0M20102011 · Federal contracts: $96.5M2012 · Federal contracts: $92.9M20122013 · Federal contracts: $108.9M2014 · Federal contracts: $148.1M20142015 · Federal contracts: $101.6M2016 · Federal contracts: $124.3M20162017 · Federal contracts: $129.7M2018 · Federal contracts: $115.8M20182019 · Federal contracts: $105.9M2020 · Federal contracts: $81.9M20202021 · Federal contracts: $95.3M2022 · Federal contracts: $95.1M20222023 · Federal contracts: $94.6M2024 · Federal contracts: $163.2M20242025 · Federal contracts: $83.3M2026 · Federal contracts: $104.6M2026
Without federal contracts$193.9M 2009–2010
Without federal contractsWithout federal contracts, 2009–2010: $193.9M in all. Federal grants $193.9M.$0$50M$100M$150M2009 · Federal grants: $104.8M20092010 · Federal grants: $89.2M2010
Figures by year
YearFederal grantsFederal contractsTotal
2026–$104.6M$104.6M
2025–$83.3M$83.3M
2024–$163.2M$163.2M
2023–$94.6M$94.6M
2022–$95.1M$95.1M
2021–$95.3M$95.3M
2020–$81.9M$81.9M
2019–$105.9M$105.9M
2018–$115.8M$115.8M
2017–$129.7M$129.7M
2016–$124.3M$124.3M
2015–$101.6M$101.6M
2014–$148.1M$148.1M
2013–$108.9M$108.9M
2012–$92.9M$92.9M
2011–$96.5M$96.5M
2010$89.2M$168.0M$257.2M
2009$104.8M$105.1M$209.9M
2008–$95.3M$95.3M

Federal awards

Obligated amounts from USAspending.gov6, by calendar year, 2008–2026, for its registration. Obligations are what agencies committed, not always what was paid out. Contracts pay for goods and services; grants, loans and direct payments are assistance. Loans are charted at the face value of the loans listed here. An award’s amount below is its lifetime total, and some began before the years charted.

Largest grants

  1. Dec 24, 2009$104.8M from Department of Energy: Electricity Delivery And Energy Reliability, Research, Development And Ana; Electricity Delivery And Energy Reliability, Research, Development And Analysis7 To POTOMAC ELECTRIC POWER CO Award DEOE0000204
  2. Apr 6, 2010$89.2M from Department of Energy: Electricity Delivery And Energy Reliability, Research, Development And Ana; Electricity Delivery And Energy Reliability, Research, Development And Analysis8 To POTOMAC ELECTRIC POWER CO Award DEOE0000300

Largest contracts

  1. Jun 26, 2014$168.1M from National Institutes of Health: Igf::ot::igf::c101336 - operation and maintenance services for cogen facility at building 11 - nih bethesda campus.9 To POTOMAC ELECTRIC POWER CO Award HHSN292201400108U
  2. Sep 30, 2024$122.2M from National Institutes of Health: C107469 electrical substation upgrade phase 1a10 To POTOMAC ELECTRIC POWER CO Award 75N99024F00038
  3. Feb 15, 2002$104.6M from National Aeronautics and Space Administration: Electric services11 To POTOMAC ELECTRIC POWER CO Award GSFC0200202BS13593Y
  4. Jan 27, 2022$95.4M from National Institutes of Health: Pepco campus & non campus consolidated billing meters 1 & 2 contract# 75n99022f0002612 To POTOMAC ELECTRIC POWER CO Award 75N99022F00026
  5. Jul 1, 2017$51.8M from National Aeronautics and Space Administration: Igf::ot::igf the contractor shall provide the generation, transmission, capacity and distribution of electricity to nasa/goddard space fligh13 To POTOMAC ELECTRIC POWER CO Award 80GSFC17F0004

Sources

The numbers on this page point here. Each one links to the record it came from.

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