Facility by Location As a world premier operator of large-scale Energy-from-Waste (EfW) or waste-to-energy (WTE) facilities, Covanta Energy is proud to offer an environmentally sound solution to communities' solid waste disposal needs. With over 40 facilities, Covanta Energy uses municipal solid waste as a fuel to generate renewable energy. Our modern EfW facilities are located in the following states: Alabama Huntsville California Stanislaus County Long Beach Connecticut Bristol Mid-Conn SECONN Wallingford Florida Hillsborough County Miami-Dade County Lake County Lee County Pasco County Indiana Indianapolis Facility Visitor Tours Guided Facility Tour Checklist (Adult) Hawaii Honolulu Maryland Montgomery County Massachusetts Haverhill Pittsfield SEMASS Springfield Michigan Kent County Minnesota Hennepin County New Jersey Essex County Union County Warren County New York Babylon Hempstead Hudson Valley Huntington MacArthur Niagara Onondaga County Oklahoma Tulsa Oregon Marion County Pennsylvania Delaware Valley Harrisburg Lancaster County Plymouth York Virginia Alexandria/Arlington Fairfax County British Columbia, Canada Burnaby Trezzo Sull'Adda, Italy Trezzo Other Renewable Facilities Biogas Facilities California Otay Stockton Hydroelectric Facilities Washington Koma Kulshan South Fork Wood Facilities California Burney Delano Jamestown Mendota Oroville Westwood Maine Jonesboro West Enfield