It was the world's only industrial producer of geothermal electricity until 1958, when New Zealand built a plant of its own in Wairakei.
Either of these industries could effectively export all of Iceland's potential geothermal electricity.
So, all geothermal electricity comes from hot water inside hot rock; in natural geothermal, nature makes the system.
By 2010 Turkey plans to produce 500MWe geothermal electricity and 3500MWt through space heating.
Experimental generators were built in other countries in the 1920s, but Italy was the world's only industrial producer of geothermal electricity until 1958.
In 1958, New Zealand became the second major industrial producer of geothermal electricity when its Wairakei station was commissioned.
Chevron Corporation is the world's largest private producer of geothermal electricity.
The expansion of geothermal electricity in Kenya's Rift Valley, for example, is being supported by the mechanism.
I do understand, though, that some of their medical equipment is working, and they have geothermal electricity.
By contrast, hydrogen infrastructure is thought to be decades off, and is not fully implemented even in Iceland where there is abundant free geothermal electricity.