Fibrominn, located in Benson, Minnesota, was the first power plant in the United States designed to burn poultry litter as its main source of fuel. It produced 55 megawatts of electric power by burning turkey manure combined with wood chips. All of the energy produced was required by state lawmakers to be purchased by Xcel Energy. The plant was developed by Fibrowatt LLC, part of the Homeland Renewable Energy Group, which was set up by the management team which built the world's first three poultry-litter-fueled power plants (in the UK). Construction began in 2005 and the plant began operating in 2007. Grand opening ceremonies were held on 12 October 2007 and 13 October 2007. The State of Minnesota required that the Xcel purchase power from the plant until at least 2028. The plant at one p