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99% of Iceland's electricity is generated by renewable power most from hydro power and the rest from geothermal heating 89% of its building from geothermal. Iceland also plans to become the world's first hydrogen economy converting its renewable resources to power cars, boats and public transport with hydrogen fuel.
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Examine how Japan's energy need can be reduced and covered by a sustainable energy system using exclusively local, renewable energies. This is shown utilising a demand model, a supply model and a simulation of the electrical system.
Energy Rich Japan

Models for global, regional and national scales. These models demonstrate how we can move towards supplying 100% of our energy needs for renewable sources by 2050.
Vision 2050