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Ground-mounted systems cannot exceed 8-feet tall and have the same setback and size standards as a permanent accessory building. Maximum sizes depend on the size of the lot and the presence of any existing permanent accessory buildings. The total area of permanent accessory buildings and ground-mounted solar systems will range between 500 and 1000 square feet.
Roof-mounted systems cannot extend beyond the roof’s edges or ridges and must have a maximum 8-inch separation between the system and the roof. Size is otherwise not restricted.
The installation of solar panels is governed by the 2017 National Electrical Code and the 2018 International Residential Code.
Lastly, a detailed sketch depicting the roof framing members; including rafter size, rafter spacing, rafter direction, purlin locations, purlin bracing locations, decking thickness, type of roof material, and the number of layers of shingles, must be provided for adequate structural assessment. Roofs that do not meet minimum building code requirements may require an engineer’s design and professional seal.