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Talked to a guy a while back who worked as a consultant to nanosolar, he said "don't get your hopes up" and he is a very hopeful kind of guy, after looking at what's around and avalible, the standard tec that has been avalible for the last 50 years still seems like a good idea, it will last, it will pay for it's self, it's one of the most durable products out there, it's laminated safty glass that has the solar cell in the center.
$5 per watt is common/reasonable, just for the PV, $11-14 is common for a full, installed price with the rest of the system.
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