Solar in Mason City, IA
With Alliant Energy (Interstate Power & Light)'s electricity at about 18.4¢ per kWh and 1,375 kWh of sun per kW, solar is a close call for a typical Mason City home today: about a 15.8-year payback.
- Payback, typical home
- 15.8 yrsIowa: 22.7 yrs
- 25-year net
- $14,657after paying $22,350
- Sun
- 1,375kWh per kW per year
- Electricity
- 18.4¢3% above U.S. average
A typical Mason City home, by the numbers
| Utility | Alliant Energy (Interstate Power & Light) |
|---|---|
| Electricity use | 739 kWh a month |
| Best-value system | 5.8 kW, about 13 panels, 7,975 kWh a year (90% of use) |
| Cost | $22,350 |
| First-year savings | $1,471 |
| Payback | 15.8 years |
| Exported power | Full retail net metering (Alliant Energy (Interstate Power & Light)) |
Cash purchase, no federal credit, 1.6% yearly rate increases. Run it with your own numbers.
Homes in Mason City
- Owner-occupied homes
- 66%
- Single-family detached
- 76%
- Median home value
- $142k
- Median year built
- 1956
- Population
- 27,050
Census ACS 2020–2024.
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 Mason City
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 Mason City
Is solar worth it in Mason City, IA?
For a typical home in Mason City, solar is a close call at 2026 prices: a 5.8 kW system costs about $22,350 after state incentives, saves about $1,471 in year one and pays back in about 15.8 years. Enter your address for an estimate based on your roof and bill.
How much solar power does a system produce in Mason City?
About 1,375 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 Iowa average. East- or west-facing roofs produce roughly 10–20% less.
Who is the electric utility in Mason City?
Most homes in Mason City are served by Alliant Energy (Interstate Power & Light), at about 18.4¢ per kWh on average.
How much do solar panels cost in Mason City?
A fair cash price is around $3.75 per watt before incentives, so about $22,350 for a 5.8 kW system. There's no federal tax credit for homeowners who buy in 2026.
Nearby
- Cedar Falls no payback
- Waterloo no payback
- Marshalltown 15.9 yrs
- Ames no payback
- Ankeny no payback
- Urbandale no payback
- Des Moines no payback
- Marion 16 yrs
- All of Iowa
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.