Solar in Carol Stream, IL
With ComEd's electricity at about 19.3¢ per kWh and 1,320 kWh of sun per kW, solar is worth it for a typical Carol Stream home today: about a 12.6-year payback.
- Payback, typical home
- 12.6 yrsIllinois: 13.5 yrs
- 25-year net
- $24,311after paying $16,760
- Sun
- 1,320kWh per kW per year
- Electricity
- 19.3¢7% above U.S. average
A typical Carol Stream home, by the numbers
| Utility | ComEd |
|---|---|
| Electricity use | 622 kWh a month |
| Best-value system | 5.1 kW, about 12 panels, 6,732 kWh a year (90% of use) |
| Cost | $18,290, or $16,760 after state incentives |
| First-year savings | $1,231 |
| Payback | 12.6 years |
| Exported power | 9¢/kWh (ComEd) |
Cash purchase, no federal credit, 3.5% yearly rate increases. Run it with your own numbers.
Homes in Carol Stream
- Owner-occupied homes
- 67%
- Single-family detached
- 48%
- Median home value
- $335k
- Median year built
- 1984
- Population
- 39,460
- Roofs suitable for solar†
- 96%
Census ACS 2020–2024. †Share of 8,629 buildings Google Project Sunroof rated technically suitable (2019 snapshot).
Installers working in Carol Stream
Public installation records for Illinois don't name installers, so we can't rank local companies here. Browse installers in Illinois.
Always verify the license and get at least three quotes. Compare quotes side by side.
Questions about solar in Carol Stream
Is solar worth it in Carol Stream, IL?
For a typical home in Carol Stream, solar is worth it at 2026 prices: a 5.1 kW system costs about $16,760 after state incentives, saves about $1,231 in year one and pays back in about 12.6 years. Enter your address for an estimate based on your roof and bill.
How much solar power does a system produce in Carol Stream?
About 1,320 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 1% less than the Illinois average. East- or west-facing roofs produce roughly 10–20% less.
Who is the electric utility in Carol Stream?
Most homes in Carol Stream are served by ComEd, at about 19.3¢ per kWh on average.
How much do solar panels cost in Carol Stream?
A fair cash price is around $3.40 per watt before incentives, so about $18,290 for a 5.1 kW system. There's no federal tax credit for homeowners who buy in 2026.
Nearby
- Glendale Heights 12.5 yrs
- Bartlett 12.5 yrs
- Hanover Park 12.6 yrs
- Wheaton 12.5 yrs
- West Chicago 12.5 yrs
- Glen Ellyn 12.6 yrs
- Addison 12.5 yrs
- Lombard 12.5 yrs
- All of Illinois
Data: PVWatts (National Laboratory of the Rockies), EIA-861 2025 adjusted to 2026, U.S. Census ACS, LBNL Tracking the Sun, state policy research as of October 2026.