INTERNATIONAL GEOTHERMAL ASSOCIATION
"Geothermal energy, potentially the largest - and presently most misunderstood - source of energy."
– Al Gore
Geothermal Insights
Installed Capacity for Heat and Power, Geothermal use for Agriculture, Health and Industry, Direct Use or Electricity Production… Global geothermal data is gathered each year by IGA team and affiliated National Association.
Advocacy
Representing the Geothermal sector everywhere at Global Scale. Events, Publications and Statement papers, discover IGA’s work to advocate for geothermal in the energy mix.
IGA at a glance
The International Geothermal Association (IGA) is a non-profit international organisation founded in 1988 and based in The Hague, Netherlands.
At the IGA, our mission is to advocate for and promote the sustainable development and utilization of geothermal resources worldwide. We are committed to shaping a future where geothermal energy is a key contributor to the global energy transition and climate change mitigation.
60
Corporate Members Worldwide
representing the entire value chain of geothermal energy
30
Affiliated Organisations
National associations and Academic organisations
88
Countries Around the World
Power, Heating and cooling
Future global energy needs can be based on a 100% renewable energy mix, and at the IGA we are committed to make geothermal energy a significant part of that.
IGA ACADEMY
IGA Academy offers a curated list of training programs focused on geothermal energy. Explore courses designed to enhance your skills, from basic principles to advanced techniques. Empower your career with expert-led education in this rapidly growing field.
GEOTHERMAL INSIGHTS
IGA provides a comprehensive collection of geothermal energy data. Access detailed reports, maps, and statistics to support research and decision-making. Explore valuable insights into geothermal resources and trends, essential for professionals and enthusiasts in the field.
ADVOCACY
Advocating globally for geothermal energy, our association influences policy, fosters industry growth, and promotes sustainable development through strategic lobbying and partnerships with international stakeholders.
GLOBAL_GT
The Global Movement for Geothermal Energy
Welcome to GLOBAL_GT, a dynamic 12-month campaign uniting geothermal communities around the world. From June 2025 to May 2026, we’re spotlighting geothermal innovation, impact, and leadership across 12 distinct regions — culminating in a landmark gathering at the World Geothermal Congress 2026 in Calgary.
Join us as we share stories from the ground up — projects, people, policy, and technology — that demonstrate how geothermal energy delivers clean, reliable power and sustainable solutions worldwide.