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Macon County, IL Solar Energy: Panel Permits (2026)

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

Key Facts

Regulated use
Grid-scale commercial solar farms only
Permit sequence
Special use permit, then building permit
Application copies
12 paper plus 1 electronic (§ 156.04)
Application fee
Set per megawatt of capacity (§ 156.10)
Panel height cap
20 feet at full tilt (§ 156.05)
Rooftop exemption
On-site use panels are not a solar farm
Default cure period
30 days, plus 60 more if curing

Summary

Macon County requires a County Board special use permit before any grid-scale commercial solar energy facility is sited, plus a separate commercial solar energy building permit before construction starts. A small rooftop system installed only for a home's or business's own on-site use is not classified as a regulated solar farm under the county's own definition.

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

COMMERCIAL SOLAR ENERGY BUILDING PERMIT. A permit necessary for the commencement of work performed toward the construction, erection or installation of an approved commercial solar energy facility, substation, supporting facilities, or operations and maintenance building in connection with a commercial solar energy facility. A commercial solar energy building permit may be issued by the county after a commercial solar energy facility has obtained a special use permit from the County Board and the Director of Planning and Zoning determines that all conditions, if any, have been satisfied that are imposed by the special use permit. ... (A) To obtain siting approval, the applicant must first submit a special use permit application to the county. ... (D) The applicant shall submit 12 copies of the special use permit application to the county, and at least one copy in electronic format.

Full Breakdown

Chapter 156 of the Macon County Code governs commercial solar energy facilities, meaning ground-installed systems built primarily to sell power wholesale or retail rather than to serve the property they sit on. 01, a commercial solar energy building permit is the document that authorizes actual construction; the county cannot issue one until the facility has first obtained a special use permit from the County Board and the Director of Planning and Zoning confirms every condition attached to that permit has been satisfied. 04: the applicant must submit a special use permit application containing a detailed project summary, ownership and operator information, a full site plan showing setbacks and adjoining properties, a decommissioning plan, an Agricultural Impact Mitigation Agreement with the Illinois Department of Agriculture, and results from state and federal wildlife review tools, among other items, in 12 paper copies plus one electronic copy.

10 per megawatt of proposed nameplate capacity, with any unused balance refundable within six months of a final County Board decision. 05 caps panel height at 20 feet at full tilt and requires vegetative screening and a six-to-25-foot fence. This entire process applies to grid-scale solar farms, not to typical rooftop panels: the county's own zoning definitions state that solar collectors used for residential or business consumption occurring on-site are not considered a SOLAR FARM, so a homeowner installing rooftop panels for their own use falls outside this special use permit chapter and instead needs only the standard building and electrical permits under Chapter 150.

Violations & Fines

Failing to comply with any Chapter 156 provision, special use permit condition, or other permit requirement is a default under § 156.09. The County Board must give written notice and a 30-day cure period (extendable 60 more days if the applicant is diligently curing), and an uncured default is grounds for revoking the special use permit, in addition to whatever county ordinance remedies otherwise apply.

Frequently Asked Questions

Do I need a special use permit to put solar panels on my house roof in unincorporated Macon County?
No. The county's zoning definitions specifically exclude solar collectors used for on-site residential or business consumption from the SOLAR FARM definition that triggers Chapter 156, so a rooftop system for your own home only needs the standard building and electrical permits.
What does a commercial solar farm developer need to submit to Macon County?
Section 156.04 requires a detailed special use permit application: project summary, ownership information, a full site plan with setbacks, a decommissioning plan, an Agricultural Impact Mitigation Agreement, and wildlife review results, filed as 12 paper copies plus one electronic copy.
When can construction start on a commercial solar facility in Macon County?
Not until two steps are done: the County Board grants a special use permit after a public hearing, and then the Director of Planning and Zoning confirms all permit conditions are satisfied before issuing the commercial solar energy building permit under § 156.01.
What happens if a solar operator violates its Macon County permit?
Section 156.09 treats it as a default. The County Board must give written notice and a 30-day cure period, extendable another 60 days if the operator is actively curing, and an uncured default is grounds to revoke the special use permit.

Sources & Official References

Other rules in Macon County

All Macon County rules

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