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How much roof space is needed for a solar electric system?

April 26, 2017electric needed roof solar system

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How much roof space is needed for a solar electric system?

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Depending on which solar module is used, each DC (namplate) kilowatt of PV will require roughly 85 square feet of roof space. So, a 4kW solar system will require roughly 340 square feet (4 x 85′ = 340 square feet).