Solar Panels Permit in Chicago, Illinois
- Permit Required
- Yes
- Authority
- City of Chicago
- Last Verified
- 2026-09-29
What the official source says
“The Express Permit Program offers a streamlined way to obtain a permit for installation or replacement of a small rooftop solar photovoltaic (PV) system, with or without an associated energy storage system.”
chicago.gov
“With drawings and calculations prepared by an Illinois-licensed architect or structural engineer: Installing a solar photovoltaic system with an inverter output of 13.44 kW or less”
chicago.gov
Verify before you build — primary source for this page: https://www.chicago.gov/content/city/en/sites/guide-to-building-permits/home/instructions/EPP/SOLAR.html
Permit Requirements
With drawings and calculations prepared by an Illinois-licensed architect or structural engineer: Installing a solar photovoltaic system with an inverter output of 13.44 kW or less
How to apply
- Confirm the rules for your address with City of Chicago — the official sources on this page are the place to start.
- Prepare a simple site plan or drawing showing where the solar panels work goes and its size.
- Submit the application and pay the permit fee.
- Schedule the required inspections and keep the approved permit on site.
More detail: our solar panels permit guide.
Building Department
City of Chicago
Official Sources
FAQ
Do I need a solar panels permit in Chicago, Illinois?
Yes. A permit is required for solar panels work in Chicago. The official source says: “The Express Permit Program offers a streamlined way to obtain a permit for installation or replacement of a small rooftop solar photovoltaic (PV) system, with or without an associated energy storage system.”
Where do I apply for a solar panels permit in Chicago?
Applications go to City of Chicago.