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Typically a panel these days is going to be around 400W, so the 33 panels is likely somewhere around 13KWp. I am not sure which Needham (Boston?) they are refer
by PaulKeeble 3y ago
Typically a panel these days is going to be around 400W, so the 33 panels is likely somewhere around 13KWp. I am not sure which Needham (Boston?) they are referring to but in Boston would produce annually about 15 MW/h.
As to the battery the price gives us an idea of its size, $23,000 dollars. On the expensive side with a Tesla powerwall you get 13.5KW/h for about $9000, its possible to get about 2/3 that price with other systems. So somewhere in the region of 40-50KW/h of storage.
Hope that helps.