Solar Panels in
South Wilmington, IL

Updated 9/25/2021

How much do solar panels cost in South Wilmington, IL in 2021?

As of September 2021, the average solar panel cost in South Wilmington, IL is $3.06/W. Given a solar panel system size of 5 kilowatts (kW), an average solar installation in South Wilmington, IL ranges in cost from $13,005 to $17,595, with the average gross price for solar in South Wilmington, IL 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.

Average solar panel cost by system size in South Wilmington, IL

System Size System Cost System Cost (after ITC)
3 kW $9,180 $6,793
4 kW $12,240 $9,058
5 kW $15,300 $11,322
6 kW $18,360 $13,586
7 kW $21,420 $15,851
8 kW $24,480 $18,115
9 kW $27,540 $20,380
10 kW $30,600 $22,644

2021 average solar panel cost graph in South Wilmington, IL

for a 5kW system

Great Price
$13,005 or less
Market Average
$15,300
Above Market
$17,595 or more
Note: Showing cost data for Grundy County, IL.

Solar installation costs do not include the 26% Federal Investment Tax Credit or local incentives. Learn more about local IL incentives, tax credits & rebates.

Payback Period

8.64 Years

20-Year Savings

$23,035

Cost per Watt

$3.06

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