Geothermal power plants,
mapped.
The catalog has 286 operating geothermal power plants, 16,627 MW in all. It also marks 4 geothermal plants as Retired, with 246 MW of capacity. Geothermal ranks 9th by operating capacity and represents 0.2% of all operating capacity in the catalog. United States leads with 3,734 MW of operating geothermal capacity, followed by Indonesia and Philippines. The largest operating geothermal facility in the catalog is Makban Geothermal Power Plant (362 MW, Philippines, recorded start year 1979).
Source: Global Energy Monitor, Global Integrated Power Tracker, March 2026 release II. Catalog content date: .
Source: Global Energy Monitor, Global Integrated Power Tracker, March 2026 release II. Catalog content date: .
Largest geothermal plants
Largest operating facilities by installed capacity in the catalog.
Source: Global Energy Monitor, Global Integrated Power Tracker, March 2026 release II. Catalog content date: .
Most geothermal capacity by country
Source: Global Energy Monitor, Global Integrated Power Tracker, March 2026 release II. Catalog content date: .
Newest geothermal plants
This table includes 2 of the 7 operating plants with a recorded start year of 2024, largest first. The catalog records years, not full commissioning dates.
Source: Global Energy Monitor, Global Integrated Power Tracker, March 2026 release II. Catalog content date: .
Frequently asked questions
How many geothermal power plants are tracked in nrgmap?
The catalog tracks 286 operating geothermal power plants with 16,627 MW in all, representing 0.2% of operating capacity. It also marks 4 plants as Retired, with 246 MW of capacity.
What is the largest tracked geothermal plant in the world?
The largest operating geothermal plant in the catalog is Makban Geothermal Power Plant in Philippines, with 362 MW of installed capacity and a recorded start year of 1979.
Which country has the most geothermal capacity?
United States leads with 3,734 MW of operating geothermal capacity across 70 plants in the catalog. Indonesia is second at 2,510 MW.
How old are geothermal power plants in the dataset?
Operating geothermal plants with a recorded start year in the catalog range from 1958 to 2025. The source records year precision, not full commissioning dates.
How can I explore geothermal plants on the map?
Open nrgmap at app.nrgmap.com and use the fuel filter to display geothermal plants. Each plant marker shows catalog capacity and recorded start year when available. The operating catalog has geothermal plants in 29 countries and territories.