Based in Portsmouth, Wheelabrator Technologies is the second largest waste-to-energy business in the US. The company has an annual waste processing capacity of approximately 8 million tons and a total combined electric generating capacity of approximately 800 MWs, including Wheelabrator’s 50% stake in the UK Ferrybridge plant, which came online in July 2015. Wheelabrator also owns and operates four independent power plants, which generate electricity using an assortment of fuels, including waste wood, waste coal, natural gas, and four ash landfills. Wheelabrator’s facilities are primarily located in the northeastern U.S., though the company has a pipeline of WtE projects across the UK that are under construction or in advanced stages of development.