Cleanview

Geothermal power plants in Hawaii

Hawaii has 1 operating geothermal power plants with 0.1 GW of capacity.

  • Operating1
HonoluluHilo

Under 50 MW50–249 MW250 MW and up

Updated monthly. Last updated November 2026.

The largest geothermal power plants in Hawaii

Operating, by capacity

#Geothermal power plantYear onlineCapacity
1Puna Geothermal Venture I201251 MW

Geothermal power plants that came online most recently in Hawaii

Newest first

#Geothermal power plantYear onlineCapacity
1Puna Geothermal Venture I201251 MW
The developer behind each project is on paid plans. See plans

How Cleanview tracks geothermal power plants

Operating geothermal power plants come from the EIA's monthly survey of power plants. Planned projects come from the grid operators' interconnection queues. We research who is developing each one, since a queue lists a project company, not its owner.

Questions about geothermal power plants in Hawaii

How many geothermal power plants are in Hawaii?
Hawaii has 1 operating utility-scale geothermal power plants with 0.1 GW of capacity, according to the EIA's monthly survey of power plants.
What is the largest geothermal power plant in Hawaii?
Puna Geothermal Venture I in Hawaii County, Hawaii is the largest, at 51 MW. It came online in 2012.
How many geothermal power plants were built in Hawaii in 2025?
0 geothermal power plants came online in Hawaii in 2025, with 0 MW of capacity.
Who is developing geothermal power plants in Hawaii?
Interconnection queues list each project under a project company, not the developer behind it. Cleanview researches the developer of every project and has them on paid plans.

More energy trackers for Hawaii

Geothermal power plants in other states

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