Illinois Solar Incentives
4.3 sun hours/day · Avg payback: 9 years
Federal Investment Tax Credit (ITC)
Deduct 30% of your total solar installation cost from your federal income taxes. Valid through December 31, 2032.
Illinois does not currently offer a state solar income tax credit. Federal ITC still applies.
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Illinois has net metering — export excess solar power to the grid for bill credits.
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Some utilities in Illinois offer solar rebates. Check your specific utility provider.
About Solar in Illinois
Illinois Shines SREC program, net metering, ComEd and Ameren rebates available.
Calculate Your Illinois Solar Savings
Solar Savings Calculator
Estimate your net cost after all available incentives
Solar Installers Serving Illinois
Sunrun
America's #1 residential solar company with over 800,000 customers nationwide. Offers solar purchase, loan, lease, and PPA options.
Warranty
25 years
In Business
17 years
Financing Options
States Served (20)
CA, TX, FL, AZ, NV, NY, NJ, MA, PA, CO +10 more
Tesla Solar
Tesla offers solar panels, Solar Roof, and Powerwall battery storage. Known for sleek design and seamless app integration.
Warranty
25 years
In Business
18 years
Financing Options
States Served (18)
CA, TX, FL, AZ, NV, NY, NJ, MA, PA, CO +8 more
Sunnova
Sunnova Energy International provides residential solar and battery storage services across the US and its territories, including Puerto Rico.
Warranty
25 years
In Business
11 years
Financing Options
States Served (21)
CA, TX, FL, AZ, NV, NY, NJ, MA, PA, CO +11 more
⚠️ Incentive data may change. Verify with official sources before installation. This calculator provides estimates only. Consult a solar installer and tax advisor for exact figures.