Company Story
1907 - Otter Tail Power Company was founded in Fergus Falls, Minnesota
1920s - The company began to expand its service territory through acquisitions and construction of new power plants
1940s - Otter Tail Power Company started to focus on rural electrification, bringing electricity to rural areas
1950s - The company began to diversify its operations, investing in natural gas distribution and other energy-related businesses
1960s - Otter Tail Corporation was formed as a holding company for Otter Tail Power Company and other subsidiaries
1970s - The company expanded into new businesses, including plastics manufacturing and telecommunications
1980s - Otter Tail Corporation began to focus on strategic acquisitions and divestitures, shaping its current business portfolio
1990s - The company expanded its presence in the Upper Midwest, acquiring several electric and gas utilities
2000s - Otter Tail Corporation continued to diversify, investing in wind energy and other renewable energy sources
2010s - The company focused on infrastructure investments, grid modernization, and customer service improvements