Quote:
Originally Posted by Bill Bumface
On the solar front, I think we're starting to see some good returns:
Panel efficiency:
1990- ~22%
2020- ~47%
Cost:
1990- ~$6/Wp
2020- ~$0.30/Wp
Efficiency more than doubled, and cost fell by by 95%. That's pretty incredible. It's a fair question if that was the best spot for our R&D, but the results are there.
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Is that an industry cost? Residential solar is closer to $2-3/Wp