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Comment Re: Well, once the panels are installed (Score 1) 415

Solar cells from the 70s are still something like 70-80% of their original efficiency. They die slowwwwly. Far more likely in such time is we'll find better materials that are much more efficient to replace them with. 20% conversion today is pretty low. If we could get that up to 30 or 40%, that would enable solar even in cloudy climates.

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