Solar Satellites - Energy from Space

Ben Bova, the president emeritus of the National Space Society, recently suggested an incredible solution to the world’s energy crisis. Instead of taking solar panels and sticking them on your roof, he wants to send photovoltaic arrays off into space and beam solar energy down to earth. Since they are constantly exposed to the sun, such solar power satellites could provide a continuous stream of 5-10 gigawatts of energy.

His proposal is to build and launch solar power satellites - large photovoltaic arrays that constantly convert sunlight into electricity and use microwaves to beam that energy back to earth-bound receiving stations. According to Mr Bova, a single one of these satellites would send enough energy to power all of California. Since one would need a large surface to collect all of this energy, the best locations for receiving stations are dry areas such as the Nevada Desert or the Sahara.

Source : Inhabitat


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