ALLETE, Inc. — Operated Plants

22 plants · 1.8 GW total capacity · across 2 states

ALLETE, Inc. operates 22 power plants with 1.8 GW total capacity. Primarily hydroelectric (10 plants, 120 MW). Parent organization: ALLETE.

Largest is Clay Boswell (923 MW Sub. Coal); oldest active is Little Falls (MN) (1906); newest is Sylvan Solar (2023); top state is Minnesota (18 plants).

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Key Stats

Largest fuel
Hydroelectric (10 plants)
Largest state
Minnesota (18 plants)

Plants by State

Minnesota (18 plants · 1.3 GW)

North Dakota (4 plants · 497 MW)

Plants by Fuel Type

Hydroelectric (10 plants · 120 MW)

Wind (5 plants · 522 MW)

Solar (3 plants · 22 MW)

Natural Gas (2 plants · 144 MW)

Coal (1 plants · 923 MW)

other (1 plants · 73 MW)