Typical home: Worth it

Solar in Round Lake Beach, IL

With ComEd's electricity at about 19.3¢ per kWh and 1,349 kWh of sun per kW, solar is worth it for a typical Round Lake Beach home today: about a 12.5-year payback.

Payback, typical home
12.5 yrsIllinois: 13.5 yrs
25-year net
$24,445after paying $16,500
Sun
1,349kWh per kW per year
Electricity
19.3¢7% above U.S. average

A typical Round Lake Beach home, by the numbers

UtilityComEd
Electricity use622 kWh a month
Best-value system5 kW, about 12 panels, 6,744 kWh a year (90% of use)
Cost$18,000, or $16,500 after state incentives
First-year savings$1,231
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 Round Lake Beach

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

Show as a table
PeriodValue
Jan69
Feb89
Mar122
Apr129
May149
Jun151
Jul157
Aug138
Sep124
Oct91
Nov69
Dec62

Homes in Round Lake Beach

Owner-occupied homes
79%
Single-family detached
77%
Median home value
$199k
Median year built
1986
Population
27,079
Roofs suitable for solar†
77%

Census ACS 2020–2024. †Share of 6,493 buildings Google Project Sunroof rated technically suitable (2019 snapshot).

Installers working in Round Lake Beach

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 Round Lake Beach

Is solar worth it in Round Lake Beach, IL?

For a typical home in Round Lake Beach, solar is worth it at 2026 prices: a 5 kW system costs about $16,500 after state incentives, saves about $1,231 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 Round Lake Beach?

About 1,349 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 1% more than the Illinois average. East- or west-facing roofs produce roughly 10–20% less.

Who is the electric utility in Round Lake Beach?

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

How much do solar panels cost in Round Lake Beach?

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.