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Why does everyone always talk about Photovoltaic system and not Solar Hot Water? Everyone in the PNW knows that Solar Hot Water is much more efficient and cheaper than Photovoltaics.

I think that all the big businesses are into photovoltaics and there for pushing it, because it lends itself to economies of scale. These big business can then make a lot of money making a lot of the PV panels using machines and not people. Solar Hot Water is a small business man's business. Each install is different and unique. This is just the opposite of economies of scale. Per kilowatt of power produced, Solar Hot Water will employ a lot more people than PV will. 

posted 4 years ago
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