Typical home: Worth it

Solar in Crystal Lake, IL

With ComEd's electricity at about 19.3¢ per kWh and 1,334 kWh of sun per kW, solar is worth it for a typical Crystal Lake home today: about a 12.5-year payback.

Payback, typical home
12.5 yrsIllinois: 13.5 yrs
25-year net
$24,223after paying $16,500
Sun
1,334kWh per kW per year
Electricity
19.3¢7% above U.S. average

A typical Crystal Lake home, by the numbers

UtilityComEd
Electricity use622 kWh a month
Best-value system5 kW, about 12 panels, 6,669 kWh a year (89% of use)
Cost$18,000, or $16,500 after state incentives
First-year savings$1,222
Payback12.5 years
Exported power9¢/kWh (ComEd)

Cash purchase, no federal credit, 3.5% yearly rate increases. Run it with your own numbers.

Solar production per kW in Crystal Lake

kWh per kW each month, south-facing at 20° tilt. PVWatts v8 with local typical-year weather.

Show as a table
PeriodValue
Jan69
Feb82
Mar112
Apr129
May145
Jun143
Jul156
Aug140
Sep123
Oct95
Nov70
Dec70

Homes in Crystal Lake

Owner-occupied homes
78%
Single-family detached
66%
Median home value
$311k
Median year built
1986
Population
40,579
Roofs suitable for solar†
89%

Census ACS 2020–2024. †Share of 5,253 buildings Google Project Sunroof rated technically suitable (2019 snapshot).

Installers working in Crystal Lake

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 Crystal Lake

Is solar worth it in Crystal Lake, IL?

For a typical home in Crystal Lake, solar is worth it at 2026 prices: a 5 kW system costs about $16,500 after state incentives, saves about $1,222 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 Crystal Lake?

About 1,334 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 0% less than the Illinois average. East- or west-facing roofs produce roughly 10–20% less.

Who is the electric utility in Crystal Lake?

Most homes in Crystal Lake are served by ComEd, at about 19.3¢ per kWh on average.

How much do solar panels cost in Crystal Lake?

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

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.