Solar by state › Illinois › Chicago
Solar panels in Chicago, IL: cost and savings
In Chicago, IL, each kW of solar produces about 1,250 kWh a year. A home with a $150 monthly ComEd bill needs roughly 7.6 kW, which costs about $22,900 before incentives and saves about $1,360 in the first year.
Updated 2026-10-20. Production uses the Illinois average until city data is refreshed. See methodology.
Savings by electric bill in Chicago
| Monthly bill | System size | Cost before incentives | Year-1 savings | Payback (buy) |
|---|---|---|---|---|
| $100 | 5.1 kW | $15,200 | $910 | 15 yrs |
| $150 | 7.6 kW | $22,900 | $1,360 | 15 yrs |
| $250 | 12.7 kW | $38,100 | $2,270 | 15 yrs |
| $350 | 17.8 kW | $53,400 | $3,180 | 15 yrs |
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Frequently asked questions
How much do solar panels cost in Chicago?
In Chicago, IL, each kW of solar produces about 1,250 kWh a year. A home with a $150 monthly ComEd bill needs roughly 7.6 kW, which costs about $22,900 before incentives and saves about $1,360 in the first year.
Who is the electric utility in Chicago?
Most Chicago homes are served by ComEd. New systems receive credit for the supply portion of the bill, and the Illinois Shines program pays for renewable energy credits up front.
How many solar quotes should I get in Chicago?
Get two or three quotes, and compare price per watt, equipment, warranty and the installer's financial strength. Several large installers have gone bankrupt since 2024, so ask who will honor the workmanship warranty if the company closes.