Idaho Power Co — Operated Plants

31 plants · 3.1 GW total capacity · across 2 states

Idaho Power Co operates 31 power plants with 3.1 GW total capacity. Primarily hydroelectric (18 plants, 1.8 GW). Parent organization: IDACORP.

Largest is Brownlee (675 MW Hydro); oldest active is Thousand Springs (1920); newest is Filer BESS (2025); top state is Idaho (29 plants).

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Subsidiary of IDACORP

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Key Stats

Largest fuel
Hydroelectric (18 plants)
Largest state
Idaho (29 plants)

Plants by State

Idaho (29 plants · 2.5 GW)

Oregon (2 plants · 601 MW)

Plants by Fuel Type

Hydroelectric (18 plants · 1.8 GW)

Battery Storage (9 plants · 509 MW)

Natural Gas (3 plants · 762 MW)

Oil & Petroleum (1 plants · 5 MW)

Queue Projects (5 projects)

Developer name contains “Idaho Power Co”