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Rock Island County, IL Solar Energy: Panel Permits (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Private solar status
By-right accessory use, all districts
Commercial solar status
Special use permit required
Commercial districts allowed
Agricultural, Suburban Estates, Industrial
Commercial panel height limit
20 feet at full tilt
Setback from occupied dwelling
150 feet
Governing section
§ 154.659

Summary

A private solar installation is a by-right accessory use in every zoning district in unincorporated Rock Island County, subject only to the underlying district's bulk and dimensional standards. A commercial solar energy facility, by contrast, needs a special use permit with a lengthy application.

These county ordinances apply to unincorporated areas of Rock Island County. Incorporated cities within the county may have their own rules that take precedence over county-level regulations.

Solar private. Solar private is a permitted accessory use in any zoning district and must abide by the bulk regulations, density, and dimensional standards of the underlying zoning district in which it is located. See requirements set for in § 154.039. Commercial solar energy facility. A commercial solar energy facility is permitted as a special use in the Agricultural, Suburban Estates, and Industrial Zoning Districts and shall meet the requirements set forth in division (D) below.

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: 2025 S-1: Supplement contains: Local legislation current through Ord. 2024-12-A, passed 12-17-2024; and State legislation current through 2024 Illinois Legislative Service, Pamphlet #6).

Full Breakdown

659(B) splits solar installations into two tracks. 039 applying. That means a homeowner's rooftop or ground-mounted residential solar array does not go through a special use hearing; it is reviewed against the same accessory-building rules that already govern sheds, detached garages, and similar structures in that zoning district. Under (B)(2), a commercial solar energy facility is permitted only as a special use in the Agricultural, Suburban Estates, and Industrial zoning districts. 659(C) lists what a commercial special use application must include: an approved site plan, a sound-compliance report referencing 35 Ill.

Adm. S. Fish and Wildlife Service planning and consulting review, an executed agricultural impact mitigation agreement with the State Department of Agriculture, consultation with the State Historic Preservation Office, a decommissioning plan with a bond payable to the county filed with the County Zoning and Building Safety Department before a building permit issues, and a fire-protection-district approval letter. Development standards in division (D) cap panel height at 20 feet above ground at full tilt, require security fencing between six and 25 feet high, and set commercial setbacks at 150 feet from an occupied dwelling on non-participating property, zero feet from a participating property boundary, 50 feet from a public road right-of-way, and 50 feet from a non-participating property line.

Division (D)(9) bars issuance of a building permit for a solar farm until the applicant proves it has an off-take agreement or is registered with the regional transmission operator.

Violations & Fines

A commercial solar facility built without the required special use permit, or without the decommissioning bond filed with the Zoning and Building Safety Department, does not qualify for a building permit under § 154.659(D)(9) and is subject to the county's zoning enforcement process. Once operating, the facility owner must maintain general liability and automobile coverage of at least $5,000,000 per occurrence, rising to $20,000,000 in the aggregate, per § 154.659(D)(14).

Frequently Asked Questions

Does a homeowner need a special use permit for rooftop solar panels?
No. Section 154.659(B)(1) makes "solar private" a permitted accessory use in every zoning district, subject only to the underlying district's bulk, density, and dimensional standards and the accessory-building rules in § 154.039, not a special use hearing.
Where can a commercial solar farm be built in the county?
Only in the Agricultural, Suburban Estates, and Industrial zoning districts, and only after obtaining a special use permit under § 154.659(B)(2), which requires a site plan, environmental reviews, and a decommissioning bond before a building permit can issue.
How far must a commercial solar facility be from a neighbor's house?
At least 150 feet from the nearest point on the outside wall of an occupied dwelling on non-participating property, per § 154.659(D)(2)(a), plus a separate 50-foot setback from non-participating property lines generally.

Sources & Official References

Other rules in Rock Island County

All Rock Island County rules

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