Think GeoEnergy by Alexander Richter
Global geothermal power capacity reached 17,173 MW by the end of 2025, reflecting steady but modest growth driven largely by incremental plant additions and data revisions. ThinkGeoEnergy’s annual Top 10 ranking highlights the countries that continue to dominate global installed geothermal capacity, as advanced geothermal research initiatives such as Utah FORGE work to expand future development pathways.