♨ Geothermal Power Plants in Idaho
Idaho operates 1 geothermal power plant totaling 18 MW of nameplate capacity. Annual generation: 88.6k MWh.
Geothermal plants tap heat from underground reservoirs to spin steam turbines. They provide carbon-free baseload power with very high capacity factors, but they only work where hot rock is accessible — primarily in the western U.S.
Plants1operating
Capacity18 MWnameplate
Generation88.6k MWhannual
Where geothermal plants sit in Idaho
All Idaho geothermal plants
| Plant | City | County | Capacity | Operator |
|---|---|---|---|---|
| Raft River Geothermal Power Plant | Malta | Cassia County | 18 MW | Us Geothermal Inc. |