Does anyone have the data on how much energy it costs to produce these things ?
Here's one link .
http://www.solarchoice.net.au/blog/...ufacture-then-they-will-ever-generate-161209/
I'm guessing that the point is once they are running and provide they have a decent life cycle , they are producing no pollution for that period .
E.g. Hydro electricity .
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