♨ Geothermal Power Plants in Hawaii
Hawaii operates 1 geothermal power plant totaling 51 MW of nameplate capacity. Annual generation: 192.6k 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
Capacity51 MWnameplate
Generation192.6k MWhannual
Where geothermal plants sit in Hawaii
All Hawaii geothermal plants
| Plant | City | County | Capacity | Operator |
|---|---|---|---|---|
| Puna Geothermal Venture I | Pahoa | Hawaii County | 51 MW | Puna Geothermal Venture |