About Us

We're an investor-owned electric utility that provides electricity for residential, commercial, and industrial customers in Minnesota, North Dakota, and South Dakota.

Otter Tail Power Company serves more than 132,000 customers in a service area that spans 70,000 square miles in western Minnesota, eastern North Dakota, and northeastern South Dakota. Our service area is predominantly rural and agricultural. We generate about one-third of revenues from residential customers, and the remaining revenues come from industrial and commercial customers.

Otter Tail Power Company is a subsidiary of Otter Tail Corporation. Otter Tail Power Company reported $450 million in revenues in 2018, which represents approximately 50% of Otter Tail Corporation’s consolidated operating revenues. Both entities are headquartered in Fergus Falls, Minnesota.

Our Team

We’re a team that serves approximately 132,000 customers who depend on us for energy when they want it and need it.

Our Operations

Our service area spans 70,000 square miles in western Minnesota, eastern North Dakota, and northeastern South Dakota.

Sustainability Reporting

This is Otter Tail Power Company’s seventh biennial Sustainability Report.

A Quick History Lesson
Our company is named after the Otter Tail River, which provided our first source of energy when we became an operating utility in 1909.

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