Solar Energy in Winnebago County, IL (2026)
1 rule for unincorporated Winnebago County, Illinois.
Verified from official government sources
Note: These county rules apply to unincorporated areas of Winnebago County. If you live within an incorporated city, that city's own rules apply: see the city list below.
Panel Permits
Winnebago County allows private solar panels by right in every zoning district, but roof-mounted arrays over 15 feet or ground-mounted systems over 3 feet in front and side yards need a special use permit.
Winnebago County Solar Panel Permit Rules
Some RestrictionsWinnebago County UDO § 18.3.15
18.3.15 Solar Panels (Private). Solar panels that are for private use and are not part of or otherwise appurtenant to a Commercial Solar Energy Facility are permitted in all zoning districts, subject to the provisions of this section. ... Roof-Mounted. Solar panels may be mounted on a flat roof, and may project a maximum of fifteen (15) feet above the roof surface, unless additional height is g...
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