Typical home: Close call

Solar in Cedar Rapids, IA

With Alliant Energy (Interstate Power & Light)'s electricity at about 18.4¢ per kWh and 1,360 kWh of sun per kW, solar is a close call for a typical Cedar Rapids home today: about a 15.9-year payback.

Payback, typical home
15.9 yrsIowa: 22.7 yrs
25-year net
$14,504after paying $22,675
Sun
1,360kWh per kW per year
Electricity
18.4¢3% above U.S. average

A typical Cedar Rapids home, by the numbers

UtilityAlliant Energy (Interstate Power & Light)
Electricity use739 kWh a month
Best-value system5.9 kW, about 14 panels, 8,024 kWh a year (90% of use)
Cost$22,675
First-year savings$1,480
Payback15.9 years
Exported powerFull retail net metering (Alliant Energy (Interstate Power & Light))

Cash purchase, no federal credit, 1.6% yearly rate increases. Run it with your own numbers.

Solar production per kW in Cedar Rapids

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

Show as a table
PeriodValue
Jan79
Feb92
Mar122
Apr124
May140
Jun145
Jul150
Aug139
Sep122
Oct100
Nov80
Dec66

Homes in Cedar Rapids

Owner-occupied homes
69%
Single-family detached
62%
Median home value
$187k
Median year built
1974
Population
137,264
Roofs suitable for solar†
69%

Census ACS 2020–2024. †Share of 35,972 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 Cedar Rapids

Public installation records for Iowa don't name installers, so we can't rank local companies here. Browse installers in Iowa.

Always verify the license and get at least three quotes. Compare quotes side by side.

Questions about solar in Cedar Rapids

Is solar worth it in Cedar Rapids, IA?

For a typical home in Cedar Rapids, solar is a close call at 2026 prices: a 5.9 kW system costs about $22,675 after state incentives, saves about $1,480 in year one and pays back in about 15.9 years. Enter your address for an estimate based on your roof and bill.

How much solar power does a system produce in Cedar Rapids?

About 1,360 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 Iowa average. East- or west-facing roofs produce roughly 10–20% less.

Who is the electric utility in Cedar Rapids?

Most homes in Cedar Rapids are served by Alliant Energy (Interstate Power & Light), at about 18.4¢ per kWh on average. Some areas are served by Corridor Energy Cooperative.

How much do solar panels cost in Cedar Rapids?

A fair cash price is around $3.75 per watt before incentives, so about $22,675 for a 5.9 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.