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As of August 2022, the average solar panel cost in Illinois is $3.06/W. Given a solar panel system size of 5 kilowatts (kW), an average solar installation in Illinois ranges in cost from $13,005 to $17,595, with the average gross price for solar in Illinois coming in at $15,300. After accounting for the 26% Federal Investment Tax Credit (ITC) and other state and local solar incentives, the net price you'll pay for solar can fall by thousands of dollars.
Importantly, these costs are typical for solar shoppers comparing solar quotes on the EnergySage Marketplace. When you compare quotes for solar panels on EnergySage's competitive solar marketplace, you can expect to see prices up to 20% lower than working with a single solar company. Read our updated article on the cost of solar panels to compare solar panel costs across states and by panel brand.
|System Size||System Cost||System Cost (after ITC)|
for a 5kW system
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