About

Clients

Clients

DEFG works with energy companies throughout North America. These include the largest energy utilities, manufacturers and suppliers of goods and services to the utility sector, retail energy service providers and solution providers, and business associations.

  • Arizona Public Service Company
  • Baltimore Gas and Electric Company
  • Commonwealth Edison Company
  • ConEd Solutions
  • Constellation NewEnergy
  • CPS Energy (City Public Service San Antonio)
  • Direct Energy
  • Dominion Energy
  • DTE Energy
  • Duke Energy
  • Entergy
  • ECR Technologies, Inc.
  • First Energy
  • Green Mountain Energy
  • Liberty Power Company
  • Lunera
  • Madison Gas & Electric Company
  • Microplanet, Ltd.
  • Pacific Gas & Electric Company
  • PECO
  • PEPCO Holdings, Inc.
  • Portland General Electric
  • Puget Sound Energy
  • Sempra Energy
  • Shell Energy NA
  • Sierra Pacific
  • Southern California Edison
  • TXU Energy
  • Xcel Energy