Modern solar cells produce the energy that was needed to make them in about thre... | Hacker News

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mkaltenecker on June 19, 2012 | parent | context | favorite | on: The Great German Energy Experiment

Modern solar cells produce the energy that was needed to make them in about three to five years, that’s well below their lifetime.

ars on June 20, 2012 [–]

Where can I buy some? They would make a great investment if I could actually do that.

If it really only took 3 to 5 years you would expect everyone to install them - you don't often see such great ROI's.

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