Etna Borough, Allegheny County

"Height restrictions. (a) Notwithstanding the height limitations of the zoning district: [1] For a building-mounted system installed on a sloped roof that faces the front yard of a lot, the system must be installed at the same angle as the roof on which it is installed with a maximum distance, measured perpendicular to the roof, of 18 inches between the roof and highest edge or surface of the system. [2] For a building-mounted system installed on a sloped roof, the highest point of the system shall not exceed the highest point of the roof to which it is attached. (b) Notwithstanding the height limitations of the zoning district: [1] For a building-mounted system installed on a flat roof, the highest point of the system shall be permitted to extend up to six feet above the roof to which it is attached. [2] Ground-mounted systems may not exceed the permitted height of accessory structures in the zoning district where the solar PV system is to be installed."