Typical home: Worth it

Solar in Arlington Heights, IL

With ComEd's electricity at about 19.3¢ per kWh and 1,339 kWh of sun per kW, solar is worth it for a typical Arlington Heights home today: about a 12.4-year payback.

Payback, typical home
12.4 yrsIllinois: 13.5 yrs
25-year net
$24,479after paying $16,500
Sun
1,339kWh per kW per year
Electricity
19.3¢7% above U.S. average

A typical Arlington Heights home, by the numbers

UtilityComEd
Electricity use622 kWh a month
Best-value system5 kW, about 12 panels, 6,695 kWh a year (90% of use)
Cost$18,000, or $16,500 after state incentives
First-year savings$1,230
Payback12.4 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 Arlington Heights

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

Show as a table
PeriodValue
Jan74
Feb87
Mar118
Apr129
May146
Jun147
Jul148
Aug139
Sep121
Oct96
Nov73
Dec62

Homes in Arlington Heights

Owner-occupied homes
74%
Single-family detached
53%
Median home value
$415k
Median year built
1974
Population
76,005
Roofs suitable for solar†
84%

Census ACS 2020–2024. †Share of 9,697 buildings Google Project Sunroof rated technically suitable (2019 snapshot).

Older housing stock. Many homes here were built before 1975. Have the roof and electrical panel checked before signing; a roof or panel upgrade can add thousands. Roof first?

Installers working in Arlington Heights

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 Arlington Heights

Is solar worth it in Arlington Heights, IL?

For a typical home in Arlington Heights, solar is worth it at 2026 prices: a 5 kW system costs about $16,500 after state incentives, saves about $1,230 in year one and pays back in about 12.4 years. Enter your address for an estimate based on your roof and bill.

How much solar power does a system produce in Arlington Heights?

About 1,339 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 0% more than the Illinois average. East- or west-facing roofs produce roughly 10–20% less.

Who is the electric utility in Arlington Heights?

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

How much do solar panels cost in Arlington Heights?

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.