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 and solution providers, and business associations.

  • Accelerated Innovations
  • AEP (Corporate)
  • Ameren Illinois
  • Ameren Missouri
  • Arizona Public Service (APS)
  • AT&T
  • Austin Energy
  • Baltimore Gas & Electric
  • BC Hydro
  • Citizens Energy Group
  • Commonwealth Edison (ComEd)
  • Con Edison
  • Consumers Energy
  • CPS Energy
  • DTE Energy
  • Duke Energy
  • Duquesne Light
  • Entergy Corporation
  • Exceleron
  • Exelon (Corporate)
  • First Energy
  • Georgia Power
  • Hydro One
  • IBM
  • Itron
  • JEA
  • LADWP
  • National Grid
  • Oklahoma Electric Cooperative (OEC)
  • Pacific Gas & Electric (PG&E)
  • PayGo
  • PECO
  • Pepco
  • PPL Electric
  • Public Service of New Mexico (PNM)
  • Public Service of Oklahoma (AEP)
  • Puget Sound Energy
  • Questline
  • Salt River Project (SRP)
  • San Diego Gas & Electric (SDG&E)
  • Smart Energy Water (SEW)
  • Snohomish PUD
  • Southern California Edison (SCE)
  • Tucson Electric Power (TEP)
  • WE Energies
  • West