California
-Southern California Gas
Connecticut
-United Illuminating
-Connecticut Light & Power Illinois
-Ameren (residential)
-Ameren (commercial)
Kentucky
-AEP Kentucky
Massachusetts
-Cape Light Compact
-MMWEC
-National Grid
-NSTAR Electric
-Unitil
-Western MA Electric
Missouri
-Ameren Missouri
-American Municipal Power New Hampshire
-National Grid
-NH Electric Cooperative
-Public Service of NH
-Unitil
New Jersey
-NJ Clean Energy Program New Mexico
-PNM
New York
-LIPA
Ohio
-AEP Ohio
-Columbia Gas of Ohio Pennsylvania
-Met-Ed
-Penelec
-Penn Power
Rhode Island
-National Grid
Vermont
-Efficiency Vermont
Washington
-Puget Sound Energy
West Virginia
-American Electric Power
-Appalachian Power

For a listing of our other online stores view efi.org/consumer/clients.