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>IIRC all the efficient solar cells we currently have contains some rare materials. Yeah, but the super-efficient solar cells are not the cheap ones that every
by crdoconnor 11y ago
>IIRC all the efficient solar cells we currently have contains some rare materials.
Yeah, but the super-efficient solar cells are not the cheap ones that everybody is putting on their roof. They're the ones going on the international space station.
>Once a particular solar technology reaches grid parity
It already did in about half of the continental US, about two years ago.