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Modern solar cells produce the energy that was needed to make them in about three to five years, that’s well below their lifetime.
by mkaltenecker 14y ago
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 14y agoWhere 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.