Probably more, but how much is probably quite site, system size and vendor dependent. After all that, just like any purchase of capital goods, negotiating skills determine the final price and terms and so the spread in price roof mount to ground mount. I'd throw a dart at 10% more and plan on being off some. Perhaps some of the vendors here would care to offer some meaningful #'s.
Seems that if you stay close to $3/w for a roof mount system, you are
getting an OK price. What would the equivalent cost be for a ground mount? I am in NJ
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