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pcowans
on Sept 25, 2013
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World record solar cell with 44.7% efficiency
I think the total energy available at ground level is something closer to 250W/m^2.
dredmorbius
on Sept 26, 2013
[–]
It's 1kW/m^2, which, given cell efficiencies of ~25% gives you your 250W/m^2 value. I goofed saying 1W/m^2.
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