Solar Panel Installation in Illinois:
Costs, Rebates & Free Quotes
Average solar system cost in Illinois: $13,000–$20,000 before incentives. Most homeowners save $1,200–$1,700/yr annually after installation.
$13,000–$20,000
Avg. System Cost
$1,200–$1,700/yr
Annual Savings
7–10 years
Typical Payback
4.0–5.0 peak hours/day
Peak Sun Hours
Illinois Solar Incentives & Rebates
Federal 30% Tax Credit
Illinois Shines (SREC) Program
Smart Inverter Rebate
Net Metering
* Incentives change frequently. A local Illinois solar installer can confirm current programs and help you maximize savings.
Solar Quotes by City in Illinois
Is Solar Worth It in Illinois?
With an average of 4.0–5.0 peak hours/day of peak sunlight daily and significant state incentives,Illinois is one of the better states for solar investment. Most homeowners see full payback within 7–10 years, then enjoy free electricity for the remaining 15–20 years of panel life.
The federal Investment Tax Credit (ITC) covers 30% of your total system cost, and Illinois-specific programs can add thousands more in savings.
The best way to know if solar makes sense for your specific home is to get a free quote from a local installer. They'll assess your roof, shade situation, and electricity usage to give you an accurate savings estimate.
💡 Average Illinois homeowner saves $1,200–$1,700/yr after going solar
Based on average utility rates and system sizes in Illinois.
Get Free Solar Quotes in Illinois
Compare quotes from vetted local Illinois solar installers. 100% free, no obligation.