Japan plans solar power station in space - Telegraph
http://www.telegraph.co.uk/earth/energy/solarpower/6536752/Japan-plans-solar-...
The plan is to create a miles-wide array of photovoltaic panels, like the solar panels used on Earth, and place it in a geostationary orbit.
Solar rays are at least five times as powerful in space as they are at ground level, allowing the huge panels to gather vast quantities of energy.