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A couple of comments:
I installed solar water heating panels to reduce my energy bills....
I found they failed in winter...each year for the three years I used them!
When it got down to -4 the connectors popped....
My daughter looked at the total carbon footprint of digging the ore converting it to silicon and producing the panels v's the life and energy production....she concluded they were worse than Yallourn power station and should be banned from sale!!
Over here in the UK the wind farms are everywhere...but I can't find out the "total carbon footprint" or the maintenance costs v's life span.
I think the only guys making money from them is the Germany contractors....
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