Eight suppliers participated in Pepco’s Standard Offer Service (SOS) auction held in December 2025 and January 2026. There were seven winning suppliers at the auction who will be supplying electricity to Pepco to serve SOS customers starting June 1, 2026.
- Boston Energy Trading and Marketing LLC
- ConocoPhillips Company
- Constellation Energy Generation, LLC
- Five Elements Energy II LLC
- Macquarie Energy LLC
- Morgan Stanley Capital Group Inc.
- NextEra Energy Marketing, LLC
In total, there will be seven suppliers providing electricity for the SOS service year beginning June 1, 2026:
- Boston Energy Trading and Marketing LLC (under contract from this year’s bidding).
- ConocoPhillips Company (under contract from this year’s bidding).
- Constellation Energy Generation, LLC (under contract from this year’s bidding and from a previous year’s bidding).
- Five Elements Energy II LLC (under contract from this year’s bidding).
- Macquarie Energy LLC (under contract from this year’s bidding).
- Morgan Stanley Capital Group Inc. (under contract from this year’s bidding).
- NextEra Energy Marketing, LLC (under contract from this year’s bidding and from a previous year’s bidding).