It proposes building a massive collection of solar panels (a "Luna Ring") 6,800 miles long by 12 miles wide on the moon�s surface. That�s certainly a heavy-duty construction job for human beings, so Shimizu plans to get the work done with robots, only involving humans in supervisory roles. Once complete, this hypothetical plant could continuously send energy to "receiving stations" around the globe by way of lasers and microwave transmission. This idea gets around two major hurdles for solar power, as there is no weather or darkness to curb electricity production on the moon. If operating in ship-shape, Shimizu says it could continuously send 13,000 terawatts of power back to Earth. By comparison, the total installed electricity generation summer capacity in the United States was 1,050.9 gigawatts.
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