Intel recently topped the Environmental Protection Agency’s Green Power list of partner organizations utilizing renewable energy. The technology and telecom company uses renewables such as biogas, biomass, small-hydro, solar and wind to generate more than 3.1 billion kilowatt-hours (kWh) of clean energy each year.
Microsoft came in second, producing just under 2 billion kWh, and Kohl's a close third, generating over 1.5 billion kWh.