Otter Tail — Power Plant Portfolio

13 plants · 1.3 GW total capacity · across 3 states

Otter Tail operates 13 power plants across 3 states with 1.3 GW total capacity. Their fleet is primarily wind (5 plants).

Largest is Astoria Station (349 MW Natural Gas); oldest active is Hoot Lake (1914); newest is Hoot Lake Solar (2023); top state is North Dakota (7 plants).

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Key Stats

Largest fuel
Wind (5 plants)
Largest state
North Dakota (7 plants)
Subsidiary operators
Otter Tail Power Co (12)Ashtabula Wind II LLC (1)

Plants by State

North Dakota (7 plants · 751 MW)

Minnesota (4 plants · 152 MW)

South Dakota (2 plants · 373 MW)

Plants by Fuel Type

Wind (5 plants · 408 MW)

Solar (3 plants · 395 MW)

Natural Gas (2 plants · 400 MW)

Oil & Petroleum (2 plants · 72 MW)

Hydroelectric (1 plants · 1 MW)