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The State of the Thin-Film Photovoltaic Industry

Unwise to display ignorance about CPV technology - concentrated solar if you are providing investment advice ("This doesn't include the aerospace panels which can achieve 20% but are incredibly expensive.").

Spectrolab 3j cells are now up to 47% efficient. Distributed CPV systems are expected to amortise at around grid cost when they go into production, probably about the same time we can buy EV's & PHEV's in a few years time.

Together they will reduce our elctricity and transport costs substantially.