Portland Land Use Code

Citation: Portland Land Use Code 5.
Parent Document: Portland Land Use Code
Jurisdiction: Portland (municipal)
Original Source: https://www.portlandmaine.gov/asset/a5dcd1dc-4117-40b3-b3da-74a56919e14b ↗

Full Text

3,235 chars

5. Roof-mounted accessory wind energy
systems shall be set back from any edge of
the building upon which they are mounted
by a distance equal to or greater than the
total height of the system, measured from
the roof surface at the point of attachment
to the top of the system at maximum
vertical rotation. The setback distance shall
be measured to the center of the wind
generator base.
6. Ground-mounted accessory wind energy
systems shall be setback from property
lines by a distance equal to or greater than
I. Wind energy generation. Ground-mounted 1.1 times the total height of the system,
and roof-mounted accessory wind energy measured from the base of the system to
systems shall be permitted as accessory uses the top of the system at maximum vertical
within all zones. Accessory wind energy systems rotation. The setback distance shall be
are subject to the following standards: measured to the center of the wind
1. Accessory wind energy systems shall generator base.
comply with all general use standards for 7. Ground-mounted accessory wind energy
wind energy systems as stated under systems shall be located within the rear
Subsection 6.4.41.A of this article. yard only and shall be sited to maximize
2. Properties shall be limited to one ground- existing vegetative or other screening from
mounted accessory wind energy system nearby residential buildings and public
and two roof-mounted accessory wind ways. The location shall minimize changes
energy systems. to existing topography and natural
3. The maximum height of a ground-mounted vegetation which would result from
accessory wind energy system is 25 feet in construction or maintenance of the
all RN zones, the B-1 zone, and all island system.
zones. In all other zones, the maximum
height shall be the maximum height
allowed within the zone or 45 feet,
whichever is less.
4. The maximum height of any roof-mounted
accessory wind energy system is 15 feet
above the height of such structure. Roof-
mounted systems are not included in the
calculation of maximum structure height. 6-32 | CITY OF PORTLAND LAND USE CODE USE STANDARDS

Other Sections in This Document (765)

Full Text