The International Geothermal Association (IGA), founded in 1988, is a scientific, educational and cultural organization established to operate worldwide. It has more than 3000 members in 65 countries.

The IGA is a non-political, non-profit, non-governmental organization in special consultative status with the Economic and Social Council of the United Nations, and Partner of the European Union for the Campaign for Take Off (CTO) the Renewable Energy. IGA is now affiliated to the Renewable Energy Alliance (IREA).

OBJECTIVE: to encourage research, development and utilization of geothermal resources worldwide through the compilation, publication and dissemination of scientific and technical data and information, both within the community of geothermal specialists and between geothermal specialists and the general public.