Illinois Solar Incentives (2026)
Illinois homeowners qualify for the 30% federal solar tax credit. Net metering policy: Full Net Metering. Average payback period: 9 years.
30%
Federal ITC
None
State Tax Credit
None
State Rebate
Full Net Metering
Net Metering
Federal Solar Incentives (Available in Illinois)
Federal Solar Investment Tax Credit (ITC)
Tax Credit30% of system cost
The federal ITC allows homeowners to deduct 30% of solar installation costs from federal taxes. Available for systems installed through 2032, stepping down to 26% in 2033 and 22% in 2034.
Expires: 2034-12-31
Illinois-Specific Solar Incentives
Illinois Solar for All
RebateIncome-based incentives
Provides incentives for low-income households, nonprofits, and environmental justice communities.
Illinois Shines (Adjustable Block Program)
SREC / REC Program$60-80/REC
Illinois Shines provides renewable energy credits (RECs) payments for 15 years for residential solar.
Illinois Solar Overview
Peak Sun Hours
4.0 hrs/day
Avg Payback Period
9 years
20-Year Savings
$32,600
Electricity Rate
16.27¢/kWh
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Data verified March 2026 · Source: DSIRE, NREL, EIA