TransAlta — Power Plant Portfolio

22 plants · 922 MW total capacity · across 7 states

TransAlta operates 22 power plants across 7 states with 922 MW total capacity. Their fleet is primarily solar (15 plants).

Largest is Horizon Hill Wind Project (202 MW Wind); oldest active is TransAlta Wyoming Wind (2003); newest is White Rock East Wind Project (2024); top state is North Carolina (15 plants).

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Key Stats

Largest fuel
Solar (15 plants)
Largest state
North Carolina (15 plants)
Subsidiary operators
Horizon Hill Wind, LLC (1)White Rock Wind East, LLC (1)TransAlta Wyoming Wind LLC (1)Southern Power Co (1)Big Level Wind LLC (1)Lakeswind Power Partners (1)Antrim Wind Energy LLC (1)Plott Hound Solar, LLC (1)Carolina Lily Solar, LLC (1)Ray Wilson Solar, LLC (1)

Plants by State

North Carolina (15 plants · 69 MW)

Oklahoma (2 plants · 403 MW)

Wyoming (1 plants · 144 MW)

Washington (1 plants · 136 MW)

Pennsylvania (1 plants · 90 MW)

Minnesota (1 plants · 52 MW)

New Hampshire (1 plants · 29 MW)

Plants by Fuel Type

Solar (15 plants · 69 MW)

Wind (7 plants · 854 MW)