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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.

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