A. Purpose: The purpose of this Section is to:
1. Establish reasonable and uniform regulations for the location, installation, operation, maintenance, and decommissioning of building mounted wind energy systems (BWES);
2. Assure that any development and production of wind generated electricity in the Village is safe and to minimize any potentially adverse effects on adjoining properties and the broader community;
3. Facilitate the development and production of wind generated electricity in the Village in a manner consistent with the existing character of the Village;
4. Promote the supply of sustainable and renewable energy resources, in support of national, state, and local goals; and
5. Facilitate energy cost savings and economic opportunities for Village residents and businesses.
B. Definitions: When used in this Section, the following terms shall have the meanings herein ascribed to them:
C. General Regulations: Except as specifically provided otherwise in subsections D and E of this Section, all WES shall comply with the following general regulations:
1. Only Building Mounted Wind Energy Systems Permitted: Building mounted wind energy systems (BWES) are the only type of WES permitted in the Village. Tower mounted wind energy systems (TMWES) are prohibited throughout the Village.
2. Compliance With Laws: All BWES shall comply with all applicable Village, state, and federal laws and regulations, including, without limitation, the provisions of this subsection, this Code, and all Village building ordinances and regulations.
3. Compliance With Permits: All BWES shall comply with all applicable BWES permits issued pursuant to this use, including, without limitation, all conditions imposed by the Village as a condition of issuance of the permits.
4. Horizontal Axis Wind Turbines Prohibited: No BWES may include a horizontal axis wind turbine at any location for any use within the Village.
5. Interference With Utilities, Roads, And Neighboring Properties: No BWES shall be operated in a manner so as to interfere with any public right of way or any utility system in the Village, or so as to interfere with the reasonable use and enjoyment of any other property in the Village.
D. General Engineering Regulations.
1. All BWES facilities shall be designed to withstand a minimum wind velocity of 100 miles per hour, with an impact pressure of 40 pounds per square foot.
2. Each BWES shall conform to all applicable industry standards, including, without limitation, the standards developed by the American National Standards Institute (ANSI).
3. All BWES facilities shall be equipped with automatic and manual braking systems.
4. For turbines greater than 20 kW of nameplate capacity, the seal of a structural engineer shall be required.
E. General Installation Regulations.
1. BWES facilities must be installed according to manufacturer specifications.
2. All necessary electrical connections must be made by a licensed electrician.
F. General Sound Level Regulations.
1. The average sound level produced by a WES shall not exceed the following maximums in the following locations:
a. On any nonparticipating property located within a residential district, or used for residential purposes or for a school: 55 dBA during daytime hours, and 45 dBA during nighttime hours;
b. On any nonparticipating property used for industrial purposes, 65 dBA at any time; and
c. On any other nonparticipating property, 60 dBA at any time.
2. No BWES shall operate with an average sound level more than five dBA above the nonoperational ambient level, as measured on any nonparticipating property used for residential purposes or for a school that is within 500 feet of the WES, or, if none, on any other nonparticipating property.
3. To limit the level of low frequency sound, the average C-weighted sound level during BWES operation shall not exceed the A-weighted ambient sound level by more than 20 dB.
4. Sound level meters used for sound measurement must meet the requirements of a type 2 or better precision instrument according to ANSI S1.4 (American National Standard Specification For Sound Level Meters), and must measure the average sound level using an integrating sound level meter that meets the requirements of ANSI S1.43 (American National Standard Specifications For Integrating Averaging Sound Level Meters). Measurement procedures must meet the applicable portions of ANSI S1.29. Average sound level shall be calculated by time averaging sound levels for a period of not less than one minute nor more than two minutes. Measurements shall not be made when ground level winds exceed ten miles per hour.
5. For purposes of calculating sound levels, five dBA shall be added to the measured average sound level from a BWES as a penalty when its sound emissions have an adverse character, as determined by the Village's Building Commissioner in the Building Commissioner's sole discretion, that includes, without limitation, prominent tones (e.g., a humming sound) or an amplitude fluctuation in synchronicity with the blade revolution (e.g., a periodic swishing sound).
6. The Village may require the owner of a BWES, as the Village may determine necessary and at the owner's sole expense, to obtain field tests or sound propagation modeling, conducted or supervised by an acoustics specialist certified by the Institute Of Noise Control Engineering, to determine whether a violation of this subsection is occurring or has occurred. In the event that a violation is occurring, the owner shall immediately discontinue operation of the BWES and promptly remedy the violation.
G. General Shadow Flicker Regulations.
1. No shadow flicker caused by any BWES shall fall at any time upon any building on a nonparticipating property that is either located in a residential district or that is used for residential purposes or for a school.
2. No shadow flicker caused by any BWES shall fall for more than one hour on any calendar day on any window of a building on any nonparticipating property that is not located in a residential district and that is not used for residential purposes or for a school.
3. As a condition of any permit issued pursuant to this subsection, the Village may require the applicant to commit to a schedule for turning BWES turbines off, in order to ensure compliance with the applicable shadow flicker regulations set forth in this subsection.
H. Cessation Of Operation In Emergency: The owner of the BWES shall be required to immediately cease operation of the BWES for the duration of any emergency, as determined by the Village Administrator or the Village Administrator's designee. For purposes of this subsection, an emergency shall mean a condition or situation caused by the BWES or a natural or manmade disaster that presents an imminent physical threat of danger to life or significant threat to property.
I. Electronic Interference: BWES facilities shall not be operated so as to cause electromagnetic degradation in performance of microwave, television, radio, internet or other wireless transmissions, including public emergency communications systems, in a manner contrary to FCC regulations or other federal, state or local laws. For purposes of this subsection, "degradation in performance" shall be determined in accordance with the latest principles and standards of the American Institute Of Electrical Engineers, the Institute Of Radio Engineers, and the Electrical Industries Association.
1. BWES facilities shall be maintained in operable condition at all times, except for reasonable maintenance and repair outages.
2. Should a BWES become inoperable, or should any part of the BWES become damaged, or should a BWES violate a permit condition, the owner of the BWES shall cease operations immediately and remedy the condition within 90 days after receipt of a notice from the Village Administrator or the Village Administrator's designee regarding the condition; provided, however, that if the condition presents an immediate threat to the public health, safety, or welfare, the owner of the BWES shall remedy the condition promptly.
K. Reporting To Village: Not less than once every 12 months, the owner of each BWES shall submit to the Village a sworn statement that the operation and maintenance of the BWES has been performed in compliance with all applicable directions issued by the manufacturer thereof, along with supporting evidence as may be requested by the Village.
1. A BWES that is not in operable condition for a period exceeding 180 consecutive days shall be deemed abandoned. The owner of an abandoned BWES and the owner of the property on which the BWES is located shall cause the removal of all BWES structures and facilities within 90 days after receipt of a notice of abandonment from the Village.
2. Any abandoned BWES that is not removed within 90 days after receipt of a notice of abandonment shall be deemed a public nuisance, which nuisance the Village shall have the right, but not the obligation, to summarily abate by removing such BWES at the joint and several expense of the owners of the BWES and of the property on which the BWES is located. In the case of such removal, the Village shall have the right, but not the obligation, to file a lien for reimbursement of any and all expenses incurred by the Village in connection with the removal, including, without limitation, attorney fees and accrued interest.
3. Upon removal of the BWES, the subject property shall be restored to its original pre-BWES construction condition.
M. Performance Standards: In addition to the provisions of this use, all WES facilities shall be subject to, and comply with, the applicable performance standards for the zoning district where the WES facilities are located. If any provision of the performance standards for the zoning district conflict with any provisions of this use, the more restrictive provision will be applied.
N. Installation: BWES devices may be structurally attached either on the roof or on the side of a building, if in accordance with the Village building Code. There shall be no maximum number of BWES devices that may be installed on any property, provided that each such device complies with all applicable provisions of this Code.
O. Height: No portion of any BWES facility shall extend more than 15 feet above the highest point of the building on which they are mounted.
P. Diameter: Unless authorized pursuant to a special use permit, the maximum diameter of a BWES shall be as follows:
1. For a BWES that is mounted on a residential building, or on a property abutting a nonparticipating property that is located within a residential district or used for residential purposes, the diameter of the BWES shall not exceed the lesser of 10 feet, or 20 percent of the width of the front elevation of the building on which the BWES is mounted.
2. For all other BWES, the diameter shall not exceed the lesser of 10 feet, or 50 percent of the width of the front elevation of the building on which the BWES is mounted.
Q. Color And Sun Glint: BWES facilities shall be finished in a neutral color. The finish shall be flat or matte, so as to reduce incidence of sun glint. The required coloration and finish shall be maintained throughout the life of the BWES.
R. Signage: No BWES shall have any advertising material, writing, picture, or signage, other than warning information or manufacturer identification.
S. Environmental Impact: In order to reduce potential bird perching and nesting, all structures used for BWES facilities shall be designed as enclosed tubular structures with pointed tops (monopoles), rather than lattice structures, unless alternative mitigation strategies are otherwise approved by the Village.
T. Indemnification: The owner of each BWES, and the owner of the property on which the BWES is located, shall jointly and severally defend, indemnify and hold harmless the Village and its officials from and against any and all claims, demands, losses, suits, causes of action, damages, injuries, costs, expenses and liabilities whatsoever including attorney fees arising out of any permit, approval, inspection, or other act or omission of the Village, or any acts or omissions of the owners concerning the operation of the BWES project without limitation, whether said liability is premised on contract or on tort.
U. Subsequent Development: No BWES that is constructed and operated in compliance with this use shall be deemed to be in violation of this use solely as a result of any construction on, or rezoning of, any nonparticipating property that occurs after the first date of operation of the BWES.
V. Applications For Wind Energy Systems: In addition to such other data and information ordinarily required in connection with an application for a special use permit, an application for a special use permit for a BWES shall submit to the Village as part of its application at least the following information:
1. A project summary, including, without limitation, the manufacturer information and number of proposed turbines.
2. Current photographs of the proposed location of the BWES.
3. A front elevation depiction of the subject property, showing the location and proposed height of the top of the turbine from top of the building.
4. Proof of homeowner or business general liability insurance, as appropriate, with a minimum coverage level of one million dollars per occurrence.
5. Approval letter from the local electric utility company, if the system is to be connected to the energy grid.
6. A copy of the directions issued by the manufacturer of the proposed BWES for the proper installation, operation, and maintenance of the BWES.
7. A certification of design compliance for the proposed BWES with respect to the applicable noise, structural, and safety regulations set forth in this use, which certification must have been obtained from Underwriters Laboratories (UL), National Renewable Energy Laboratories (NREL), Det Norske Veritas (DNV), Germanischer Lloyd Wind Energie (GL), or an equivalent third party.
8. An executed maintenance covenant, on a form provided by the Village, providing that the owner and all subsequent owners of the subject property will maintain the BWES in accordance and compliance with this use and with the maintenance directions issued by the manufacturer of the BWES. Said covenant shall, if approved, be recorded with the recorder of deeds of Lake County, Illinois and run with the property.
9. The name of a local contact with authority to operate or repair the proposed BWES as needed and at any time, and the telephone number at which such contact may be reached on a 24-hour basis. At all times during which the BWES is in operable condition, the applicant shall have the duty to notify the Village of any changes to the information required pursuant to this paragraph.
10. Engineering plans, which must include, without limitation, the manufacturer's engineering specifications of the turbine, nameplate wattage capacity, dimensions of the turbine unit, mounting mechanisms, expected load and expected sound level production.
11. A site plan, drawn to scale, signed and sealed by a professional engineer licensed in the state of Illinois, and including, without limitation, the following:
a. The location of any overhead or underground power lines and utility easements; and
b. The locations and the expected duration of shadow flicker caused by the BWES facility. (Ord. 2022-38, 12-12-2022)