I would imagine in the right situation they have their place. I looked into them when I built my barn/shop. For just the panels of a basic system (doing an online calculator) it was going to cost about $15G. I dont think batteries were considered or even hook up. I figured for the amount of electric I would be using it would not be worth the expense. I would love to have them if they were economical and eliminated another bill, but I just dont see it. I have a customer whom bought his own years ago and said he is still waiting for a return on his investment. As far as Solar City and all of the panels that they installed all over the country I believe they were working off of Govt' subsidies. I would like to see the fine print on one of their contracts. Once the govt' programs stopped solar city went out of business. That business was owned by Elon Musk's brother.
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