Expedited Solar Permitting: Chicago vs Skokie

Does Chicago waive solar permit fees?

Yes. Owner-occupied residential PV systems generally have permit fees waived under city climate-action policy, though the electrical permit and any structural review still require formal filing through the Department of Buildings.

What if I add a battery?

Battery storage exceeding small-system thresholds removes Solar Express eligibility, triggering full plan review with NFPA 1 and IFC fire setbacks. Most lithium-ion residential batteries above 20 kWh need standard review.

How fast should my Cook County solar permit be approved?

For a complete residential rooftop application up to 25 kW, the building department must approve or deny within 14 calendar days under 110 ILCS 75. Many Cook suburbs using SolarAPP+ deliver approvals within hours of submission.

Does the law cap my permit fee?

Yes. Fees are limited to the actual administrative and inspection cost incurred by the local government. Excessive flat fees that effectively tax solar installations are prohibited; applicants can challenge fees they believe exceed the statutory cost cap.

What about commercial or ground-mount solar?

The expedited process applies to residential rooftop systems up to 25 kW. Commercial rooftop, ground-mount, community solar, and larger residential systems follow standard Cook County or municipal permit timelines, often 30-90 days plus zoning review when applicable.