Solar Permit Requirements in Illinois

Installing solar panels in Illinois requires permits from your local building department. Below you will find city-specific permit costs, timelines, and document requirements to help you plan your solar project.

full

Net Metering

None

State Tax Credit

17.5¢/kWh

Avg Electricity Rate

Cities in Illinois

Select your city for specific permit costs, timelines, and required documents for solar installation.

Chicago

18¢/kWh · 4h sun/day

Avg bill: $148/mo · ComEd (Commonwealth Edison)

Aurora

17.5¢/kWh · 4.1h sun/day

Avg bill: $142/mo · ComEd (Commonwealth Edison)

Naperville

17.5¢/kWh · 4.1h sun/day

Avg bill: $155/mo · ComEd (Commonwealth Edison)

Rockford

17¢/kWh · 4h sun/day

Avg bill: $135/mo · ComEd (Commonwealth Edison)

Springfield

16.5¢/kWh · 4.2h sun/day

Avg bill: $138/mo · City Water, Light and Power

Peoria

17¢/kWh · 4.2h sun/day

Avg bill: $140/mo · Ameren Illinois

Joliet

17.5¢/kWh · 4.1h sun/day

Avg bill: $145/mo · ComEd (Commonwealth Edison)

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