Solano County Zoning Code § 28.80 Commercial Wind Energy

A. A wind turbine generator shall be permitted as prescribed in Article II by the Land Use Tables located within each zoning district.
B. Wind turbine generators (WTGs) shall be set back a minimum distance of 1.25 times the maximum height reached by any part of the WTG to any property line, and a minimum of ten feet from any other structure on the property. A three hundred-foot setback shall be maintained from any district which does not permit WTGs. Setbacks determined by height may be waived when appropriate easements are secured from adjacent property owners or other acceptable mitigation is approved by the Zoning Administrator or Planning Commission.
C. Tower-climbing apparatus and bladetips of the WTG shall be no closer than fifteen feet from ground level unless enclosed by a six-foot high fence. The tower shall be posted at eye level, warning of high voltage.

(Revised 7/25)

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Chapter 28

Zoning Regulations

D. The WTG shall be filtered and/or shielded so as to prevent the emission of radio frequency energy which would cause interference with radio and/or television broadcasting or reception. Alternate mitigation for such interference may be approved for a commercial WTG.
E. The applicant shall provide the manufacturer’s specifications which certify that the WTG is equipped with a braking system, blade pitch control, and/or other mechanism for rotor control, and shall have both manual and automatic overspeed controls.
F. Noise emitted from any WTG shall not exceed fifty dBA CNEL at any property line abutting a residential zone or sixty dBA CNEL at any other property line.
G. Brand names or advertising associated with a WTG installation shall not be visible from any public access.
H. Liens, surety bonds or other security may be required as part or condition of any use permit to guarantee removal or dismantling of any abandoned WTG.