Energy efficient compact fluorescent lamps (CFLs) offer great opportunities for savings. For instance, if every household in the United States replaced its next light bulb or fixture with an ENERGY STAR qualified model the country would save more than 8 billion kilowatt hours of energy. (source: energystar.gov)
The utilities & energy efficiency providers below work with EFI to extend product rebates through EFI online stores. Offers are grouped by those for residential customers and this for non-residential customers.