Minnesota Power Enterprises, Inc. generates and supplies retail electricity to retail customers and wholesale electricity to municipalities in the United States. The company generates electricity from wind, water, coal, and biomass. Its transmission network includes transmission and distribution lines, and substations. It serves residential and commercial customers, municipalities, and industrial customers. The company was incorporated in 1996 and is based in Duluth, Minnesota. Minnesota Power Enterprises, Inc. operates as a subsidiary of ALLETE, In