Illinois Commercial Solar Facility Zoning Preemption (PA 102-1123) (IL)

Tracked preemption from the Illinois overlay bundle.

Overview

Effective
2023-01-27
Sunset
Authority
state
Scope
state:IL
Primary-source summary
**PA 102-1123** (Climate & Equitable Jobs Act follow-on, enacted Jan 2023) — amended 55 ILCS 5/5-12020 to **preempt county and municipal zoning** of **commercial wind and solar** facilities. Local governments may impose setback, height, decommissioning, and noise standards **no more restrictive** than state-default setbacks. This is one of the **few true statewide land-use preemptions** on the books in Illinois.

Trigger predicate

When this evaluates true for a parcel, the law's preempted fields take precedence over base zoning.

project.is_commercial_solar_facility == True

Preempted fields

4 fields on the base district schema are rewritten when the trigger fires.

FieldOpValueNote
base_districts[*].max_setback_ft_solarcap_atstate_default
base_districts[*].max_height_ft_solarcap_atstate_default
base_districts[*].decommissioning_requirements_solarcap_atstate_default
base_districts[*].allowed_usesaddcommercial_solar_facility

Citation

Authority source
55 ILCS 5/5-12020.1; PA 102-1123
§ 55 ILCS 5/5-12020.1
https://www.ilga.gov/legislation/publicacts/fulltext.asp?Name=102-1123

Research notes

Companion to commercial wind preemption. Local standards no more restrictive than state-default. Applies to home-rule and non-home-rule. Federal conflict check: utility-scale solar glare/obstruction may interact with FAA Part 77 surfaces around ORD/MDW and Scott AFB AICUZ.