Efficiency United Utilities
Efficiency United Gas Utilities:
Michigan Gas Utilities
Upper Michigan Energy Resources
Xcel Energy
Efficiency United Electric Utilities:
Alpena Power Company
Baraga Electric Utility
City of Croswell
City of Dowagiac
City of Stephenson
City of Wakefield
Crystal Falls Electric Department
Gladstone Power & Light
Grand Haven Board of Light & Power
Indiana Michigan Power Company
L’Anse Electric Utility
Negaunee Electric Department
Norway Department of Power & Light
Upper Michigan Energy Resources
Village of Daggett
Village of Newberry
Village of Union City
Xcel Energy
Efficiency United Gas Utilities:
Michigan Gas Utilities
Upper Michigan Energy Resources
Xcel Energy
Efficiency United Electric Utilities:
Alpena Power Company
Baraga Electric Utility
City of Croswell
City of Dowagiac
City of Stephenson
City of Wakefield
Crystal Falls Electric Department
Gladstone Power & Light
Grand Haven Board of Light & Power
Indiana Michigan Power Company
L’Anse Electric Utility
Negaunee Electric Department
Norway Department of Power & Light
Upper Michigan Energy Resources
Village of Daggett
Village of Newberry
Village of Union City
Xcel Energy