NanoSolar has just announced that it will be building a 430 MW / year production facility. That's equivalent to about 200 million solar cells per year. The best thing about Nanosolar is that they don't use silicon. Traditional solar cells require the use of expensive and environmentally costly to produce silicon wafers. The solar industry, if you can believe it, actually uses more silicon than the microprocessor industry. And silicon is nasty stuff.
So Nanosolar's thin-film, printable, copper-indium-gallium-selenium cells are very desirable. They're thin, flexible, durable and cheap. Depending on how much efficiency they can squeeze out of these cells and how cheap they can ultimately make them, solar might soon become cheaper than conventional power sources in much of the country. All thanks to Nanosolar (and that $25 million in seed funding from the founders of Google.)
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