European islands often face significant challenges when it comes to energy supply and energy costs. Due to geographic location, small economies of scale, and limited or absent interconnection to the mainland or to other islands, many islands are still heavily dependent upon costly imported fossil fuels to generate electricity or to meet their heating and cooling needs.
Unlike other intermittent energy sources, geothermal energy could provide a stable, sustainable, and affordable energy supply for a wide variety of potential uses that are not restricted to electricity generation, but encompass many types of direct uses.