Solar Energy in Lake County, IL (2026)
1 county-level rule, plus city-specific rules for 1 city in Lake County, Illinois.
Verified from official government sources
Note: These county rules apply to unincorporated areas of Lake County. If you live within an incorporated city, that city's own rules apply: see the city list below.
Panel Permits
Roof-mounted solar panels need only standard building permits; small ground-mounted systems on residential lots are permitted by right up to 500 sq ft, larger ones need a conditional use permit.
Solar Panel Permits in Lake County
Some RestrictionsLake County Code § 151.113(U)
(U) Accessory solar energy systems. (1) Types. (a) Roof-mounted. Building-mounted solar energy systems may be mounted on accessory or principal structures in all zoning districts. All applicable accessory or principal structure requirements apply to building-mounted solar energy systems. ... b. Accessory small-scale solar energy systems that are accessory to a residential use that do not exceed...
Solar Energy by City in Lake County
1 cities in Lake County have their own solar energy rules. Each link goes to that city's dedicated page with code citations.
All Lake County ordinances
See every category we cover for Lake County: parking, noise, fences, fires, animals, pools, and more.
Lake County Ordinance Hub →