Typical home: Not worth it

Solar in Waterloo, IA

With MidAmerican Energy's electricity at about 11.5¢ per kWh and 1,324 kWh of sun per kW, solar is not worth it for a typical Waterloo home today: it does not pay back within 25 years.

Payback, typical home
NeverIowa: 22.7 yrs
25-year net
−$2,615after paying $15,850
Sun
1,324kWh per kW per year
Electricity
11.5¢36% below U.S. average

A typical Waterloo home, by the numbers

UtilityMidAmerican Energy
Electricity use828 kWh a month
Best-value system3.8 kW, about 9 panels, 5,031 kWh a year (51% of use)
Cost$15,850
First-year savings$578
Paybacknever within 25 years
Exported powerFull retail net metering (MidAmerican Energy)

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

Solar production per kW in Waterloo

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

Show as a table
PeriodValue
Jan72
Feb82
Mar120
Apr125
May143
Jun138
Jul153
Aug137
Sep127
Oct93
Nov73
Dec63

Homes in Waterloo

Owner-occupied homes
62%
Single-family detached
69%
Median home value
$153k
Median year built
1962
Population
67,008
Roofs suitable for solar†
59%

Census ACS 2020–2024. †Share of 19,911 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 Waterloo

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 Waterloo

Is solar worth it in Waterloo, IA?

For a typical home in Waterloo, solar is not worth it at 2026 prices: a 3.8 kW system costs about $15,850 after state incentives, saves about $578 in year one and does not pay back within 25 years. Enter your address for an estimate based on your roof and bill.

How much solar power does a system produce in Waterloo?

About 1,324 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 3% less than the Iowa average. East- or west-facing roofs produce roughly 10–20% less.

Who is the electric utility in Waterloo?

Most homes in Waterloo are served by MidAmerican Energy, at about 11.5¢ per kWh on average. Some areas are served by Cedar Falls Utilities.

How much do solar panels cost in Waterloo?

A fair cash price is around $3.75 per watt before incentives, so about $15,850 for a 3.8 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.