Geothermal power plants in Maine
Maine has 0 operating geothermal power plants with 0.0 GW of capacity.
- Operating0
Under 50 MW50–249 MW250 MW and up
Updated monthly. Last updated November 2026.
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 Maine
- How many geothermal power plants are in Maine?
- Maine has 0 operating utility-scale geothermal power plants with 0.0 GW of capacity, according to the EIA's monthly survey of power plants.
- How many geothermal power plants were built in Maine in 2025?
- 0 geothermal power plants came online in Maine in 2025, with 0 MW of capacity.
- Who is developing geothermal power plants in Maine?
- 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 Maine
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