Solar in Buffalo Grove, IL
With ComEd's electricity at about 19.3¢ per kWh and 1,331 kWh of sun per kW, solar is worth it for a typical Buffalo Grove home today: about a 12.5-year payback.
- Payback, typical home
- 12.5 yrsIllinois: 13.5 yrs
- 25-year net
- $24,094after paying $16,500
- Sun
- 1,331kWh per kW per year
- Electricity
- 19.3¢7% above U.S. average
A typical Buffalo Grove home, by the numbers
| Utility | ComEd |
|---|---|
| Electricity use | 622 kWh a month |
| Best-value system | 5 kW, about 12 panels, 6,655 kWh a year (89% of use) |
| Cost | $18,000, or $16,500 after state incentives |
| First-year savings | $1,221 |
| Payback | 12.5 years |
| Exported power | 9¢/kWh (ComEd) |
Cash purchase, no federal credit, 3.5% yearly rate increases. Run it with your own numbers.
Homes in Buffalo Grove
- Owner-occupied homes
- 80%
- Single-family detached
- 54%
- Median home value
- $412k
- Median year built
- 1981
- Population
- 42,891
- Roofs suitable for solar†
- 92%
Census ACS 2020–2024. †Share of 9,280 buildings Google Project Sunroof rated technically suitable (2019 snapshot).
Installers working in Buffalo Grove
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 Buffalo Grove
Is solar worth it in Buffalo Grove, IL?
For a typical home in Buffalo Grove, solar is worth it at 2026 prices: a 5 kW system costs about $16,500 after state incentives, saves about $1,221 in year one and pays back in about 12.5 years. Enter your address for an estimate based on your roof and bill.
How much solar power does a system produce in Buffalo Grove?
About 1,331 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 Buffalo Grove?
Most homes in Buffalo Grove are served by ComEd, at about 19.3¢ per kWh on average.
How much do solar panels cost in Buffalo Grove?
A fair cash price is around $3.40 per watt before incentives, so about $18,000 for a 5 kW system. There's no federal tax credit for homeowners who buy in 2026.
Nearby
- Wheeling 12.6 yrs
- Vernon Hills 12.6 yrs
- Arlington Heights 12.4 yrs
- Palatine 12.5 yrs
- Northbrook 12.6 yrs
- Mount Prospect 12.4 yrs
- Highland Park 12.6 yrs
- Mundelein 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.