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Solar Panel Cost in Illinois

Average costs, savings, and incentives for solar installations across Illinois.

$3.10
Avg Cost/Watt
4.5 hrs/day
Peak Sun Hours
$0.148/kWh
Electricity Rate
Full Retail
Net Metering

Estimated Savings for a Typical Illinois Home

Based on a $150/month electric bill

System Size
7.5 kW
Gross Cost
$23,273
Federal Credit
-$6,982
State Incentive
-$10,000
Net Cost
$6,291
Annual Savings
$1,460
Payback Period
4.3 yrs
25-Year Savings
$43,579
CO₂ Offset/yr
9,076 lbs

Illinois Solar Incentives

30%

Federal Investment Tax Credit (ITC)

Deduct 30% of your total solar installation cost from your federal taxes. Available through 2032 with no dollar cap.

$10,000

Illinois State Incentive

Illinois offers a Solar Renewable Energy Credit (SREC) program worth up to $10,000.

Net Metering Policy: Full Retail

Top utility in Illinois: ComEd. View full incentives detail →

Solar Costs by City in Illinois

City Annual Savings Payback (yrs) Population Utility
Chicago$1,4605.82,696,555ComEd
Aurora$1,4605.7199,932ComEd
Joliet$1,4604.3150,362ComEd
Naperville$1,4602.8148,458ComEd
Rockford$1,4605.8147,651ComEd
Springfield$1,4603.6116,250Ameren Illinois
Elgin$1,4603.1113,495ComEd
Peoria$1,4603.6111,388Ameren Illinois
Waukegan$1,4606.389,078ComEd
Cicero$1,4605.181,797ComEd

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Quick Facts: Illinois

  • ⚡ Avg rate: $0.148/kWh
  • 🌞 Peak sun: 4.5 hrs/day
  • 🏭 Top utility: ComEd
  • 📋 Net metering: Full Retail
View all Illinois incentives →