"....advances in solar cells and the mirror- or lens-based concentrator systems that focus light on them could soon make solar power as cheap as electricity from the grid."Total footprint of a plant generating one gigawatt of power (the size of a typical utility) including the reflectors or lenses, would be only two to two-and-a-half square miles."
The collectors concentrate the Suns power 500 - 700 times.
Also handy for incinerating giant mutant bugs.
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