Company Story
1906 - Minnesota Power was founded as a small electric utility company serving the city of Duluth, Minnesota.
1915 - The company began to expand its service territory to surrounding areas, including rural communities.
1920s - Minnesota Power started to invest in hydroelectric power generation, building its first dam on the St. Louis River.
1950s - The company continued to expand its service territory, acquiring several smaller utilities in northern Minnesota.
1970s - Minnesota Power began to diversify its energy mix, investing in coal-fired generation and exploring alternative energy sources.
1990s - The company underwent significant restructuring, including the formation of ALLETE, Inc. as a holding company.
2001 - ALLETE, Inc. acquired Minnesota Power's transmission and distribution assets, creating a separate subsidiary.
2007 - ALLETE, Inc. acquired U.S. Water Services, expanding its presence in the water treatment industry.
2010s - The company continued to invest in renewable energy, including wind and solar power generation.
2019 - ALLETE, Inc. acquired a majority stake in New Energy Equity, a leading developer of community solar gardens.