2019-6-28 · The Sherburne County Generating Station, also known as Sherco, is a massive coal-fired power plant on the banks of the Mississippi River in Becker, Minnesota, which is in Sherburne County. Its three units have a combined capacity of 2,238 megawatts,[1] making it the largest power plant in the state.[2] In comparison, the single-unit Monticello ...