Portland City Code ch. 14

Citation: Portland City Code ch. 14
Parent Document: Portland City Code ch. 14
Jurisdiction: Portland (municipal)
Original Source: https://www.portlandmaine.gov/asset/ae8cabd1-66eb-4a1c-9224-92bbca5e792f ↗

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times the total height of the system. TABLE 7-I: WIND ENERGY SYSTEM HEIGHT
5. For freestanding wind energy systems in Zone Height (max.)
and adjacent to waterfront zones, mixed- RPZ 10 ft.
use zones (except B-1/B-1b and I-B), the O- Residential Zones1, R-P, 25 ft.
P zone, industrial zones, the Island Transfer B-1/B-1b, and I-B
Station Overlay Zone, and the R-OS zone, Historic Districts2 and within 45 ft.
1,000 ft. of designated landmarks
the setback from property boundaries and
EWPZ, WPDZ, WCZ, 65 ft.
street right-of-way lines may be reduced to
B-2/B-2b/B-2c, B-5, and B-6
a minimum distance of 1.0 times the total
B-3, B-4, B-7, and O-P 85 ft.
height of the system where determined ROS, I-M, I-Mb, I-H, and A-B 160 ft.
that the minimum required setback would 1
Permitted up to 65 ft within USM Overlay Zone or on other sites with
institutional uses measuring over 5 acres.
be contrary to the public interest. 2
Permitted up to 85 ft in B-3 part of Downtown Historic District.
6. In residential zones, the B-1/B-1b zones, the
I-B zone, and the R-P zone, where the lot is 7.5 SPACE AND BULK EXCEPTIONS
less than 0.5 acres, any vertical element of 7.5.1 Height
the wind energy system (tower/pole) shall A. In the B-3/B-3b/B-3c zones. Minimum height
be located in the rear yard or on the rear provisions as depicted on the Downtown
half of the existing building. Wind energy Height Overlay Map shall not apply to:
systems and associated facilities shall be 1. Accessory building components and
sited to maximize existing vegetative or structures such as truck loading docks
other screening from nearby residential covered parking, mechanical equipment
buildings and public ways. The location enclosures and refrigeration units.
shall minimize changes to existing 2. Information kiosks and ticketing booths.
topography and existing natural vegetation 3. Public transportation facilities of less than
which would result from construction or 10,000 square feet, or additions of less
maintenance of the system. than 5000 square feet to existing public
B. Height transportation facilities provided that the
1. Heights of wind energy systems, cumulative additions as of June 4, 2007 do
permitted as either freestanding or not exceed 10,000 SF.
roof-mounted structures, shall be as 4. Additions to buildings existing as of June 4,
shown in Table 7-I. 2007 provided that the cumulative
2. Roof-mounted wind energy systems additions since June 4, 2007 do not exceed
shall measure no higher than 10 feet 10% of the building footprint on June 4,
above the highest part of the roof. 2007, except building additions on those
portions of the lot located closer to the
street line than the building footprint 7-14 | CITY OF PORTLAND LAND USE CODE DIMENSIONAL STANDARDS

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