The World Geothermal Congress is organized every five years by the International Geothermal Association. The previous three conferences took place in Florence, Italy (1995), Beppu-Morioka, Japan (2000) and Antalya, Turkey (2005).

The 2010 World Geothermal Congress took place between April 25-30, 2010 in Bali, Indonesia. It was called the world's biggest geothermal energy conference.

Melbourne, Australia will be next city to host the World Geothermal Congress in April, 2015, which is expected to generate millions of dollars for the state’s economy.