In January 2008, Currituck County adopted an ordinance to regulate the use of wind-energy systems. The ordinance directs any individual or organization wishing to install a wind-energy system to obtain a zoning permit from the county planning board. Small-scale systems require only administrative approval for the permit, while large systems and utility-scale projects require approval from the board of commissioners.
For the purposes of this ordinance, a wind-energy system is classified as "small" if it has a single turbine with a rated capacity of 25 kilowatts (kW) or less; as "large" if it consists of one or more turbines with a rated capacity of less than one megawatt (MW); and as "utility scale" if for installations of more than one turbine with a rated capacity of 1 MW or greater.
Height Requirements: The total height of a wind turbine is determined by the height above grade to the tip of the turbine blade as it reaches its highest elevation. Small wind systems are restricted to a 120-foot height limit, whereas large systems are restricted to a 250-foot height limit, and utility scale systems are restricted to a 500-foot limit.
Visual Appearance: Towers and rotor blades must maintain a galvanized finish in a non-obtrusive color such as white, off-white or gray. Wind systems must also remain free from advertising, including flags, streamers and other decorative items, as well as artificial lighting, except that which is required by the Federal Aviation Administration (FAA). Any on-site transmission or power lines must, to the extent possible, be placed underground.
Setbacks: The ordinance generally requires that non-utility-scale wind systems be set back from surrounding property lines by one linear foot for every foot of the turbine’s height. Utility-scale systems must be set back at least 1.5 times the turbine’s height. Small turbines must be placed on lots of at least 20,000 square feet, whereas large systems must be placed on lots of five acres or greater, and utility-scale systems must be placed on lots of at least 25 acres. All systems must maintain a set-back of at least 2.5 times their height from certain highways, and 1.5 times their height from public and private right-of-ways. There are also minimum setbacks for occupied buildings on the owner’s property and adjacent properties; however, these requirements may be waived if a written waiver is signed by all affected property owners.
Installation Requirements: The installation and design of all wind systems must comply with applicable industry standards and all electrical and mechanical components must conform to relevant local, state and national codes.
Impact Analysis, Mitigation and Planning: Applications for large wind-energy projects must include a site plan showing the location of each planned wind turbine relative to all proximate roads, property lines, buildings and geographical boundaries; decommissioning plans; signed and approved copies of any negotiated power purchase agreement; and, for utility scale projects, a detailed environmental impact study.
|Incentive Type:||Solar/Wind Permitting Standards|
|Eligible Renewable/Other Technologies:||
|Name:||Currituck County Unified Development Ordinance 4.2.3 (K)|
|Name:||Public Information Officer|
Currituck Historic Courthouse
Currituck NC 27929
This information is sourced from DSIRE; the most comprehensive source of information on incentives and policies that support renewables and energy efficiency in the United States. Established in 1995, DSIRE is operated by the N.C. Clean Energy Technology Center at N.C. State University.
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