This is perhaps the world's only salt produced using only geothermal power, evaporating the crystals using the heat from natural geysers. All electricity used at the facility come from a nearby geothermal power-plant.
This saltworks was established by Bjorn Steinar Jonsson, Yngvi Eiriksson, and Gar̡ar Stefansson: three self-described foodies that brought back the 240 years old tradition of salt making in Iceland.
The salt is produced in a small bay in the peninsula of Reykjanes (an aspiring Geopark applying for membership in the European Geopark network). The peninsula has an incredible diversity of volcanic and geothermal activity and is the only place in the world where the Mid-Atlantic Ridge is visible above sea level) and infused with activated charcoal.