On Monday October 12, 2015, Entergy Nuclear Power Marketing submitted to ISO New England a formal request to retire its Pilgrim Nuclear Power Station by June 1, 2019. Pilgrim, a 680-megawatt (MW) electric generating plant located in Plymouth, Massachusetts, is among the region’s largest power plants and is one of three remaining nuclear stations in New England. Entergy’s 620-MW Vermont Yankee Nuclear power plant retired in December 2014. In 2014, nuclear power generated 34% of the electricity produced in New England. Read the press release.