Otter Tail Power Company
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We're an investor-owned electric utility that provides electricity and energy services for approximately 133,300 residential, commercial, and industrial customers across 70,000 square miles in Minnesota, North Dakota, and South Dakota.
Our customers have trusted us to power their lives for more than a century. Now we’re transitioning to new technologies and energy sources to help us deliver reliable, affordable, and environmentally responsible power for decades to come.