Clients

Clients

Who We Serve

• Alliant Energy – Interstate Power and Light Company (IPL)
• Arizona Public Service (APS)
• CenterPoint Energy
• Commonwealth Edison (ComEd)
• Con Edison (Con Ed)
• Consumers Energy
• DTE Energy
• Duke Energy
• Efficiency Vermont
• El Paso Electric Company
• Energy Trust of Oregon
• Focus on Energy
• Integrys (North Shore Gas and Peoples Gas)
• Minnesota Energy Resources Corporation (MERC)
• Michigan Public Power Agency (MPPA)
• MidAmerican Energy
• Minnkota Power Cooperative (MPC)
• Missouri River Energy Services (MRES)
• Nicor Gas
• Northern Indiana Public Service Company (NIPSCO)
• PECO
• PNM Resources
• PPL Electric Utilities
• Public Service Company of Oklahoma (PSO)
• Southern California Edison
• Southern California Gas
• We Energies
• Xcel Energy