Solar in Florissant, MO
With Ameren Missouri's electricity at about 13.9¢ per kWh and 1,362 kWh of sun per kW, solar is not worth it for a typical Florissant home today: about a 16.1-year payback.
- Payback, typical home
- 16.1 yrsMissouri: 15.5 yrs
- 25-year net
- $12,963after paying $20,655
- Sun
- 1,362kWh per kW per year
- Electricity
- 13.9¢23% below U.S. average
A typical Florissant home, by the numbers
| Utility | Ameren Missouri |
|---|---|
| Electricity use | 1,032 kWh a month |
| Best-value system | 7.3 kW, about 17 panels, 9,945 kWh a year (80% of use) |
| Cost | $20,655 |
| First-year savings | $1,365 |
| Payback | 16.1 years |
| Exported power | 4.6¢/kWh (Ameren Missouri) |
Cash purchase, no federal credit, 1.7% yearly rate increases. Run it with your own numbers.
Homes in Florissant
- Owner-occupied homes
- 67%
- Single-family detached
- 79%
- Median home value
- $149k
- Median year built
- 1963
- Population
- 51,773
- Roofs suitable for solar†
- 89%
Census ACS 2020–2024. †Share of 17,600 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 Florissant
Public installation records for Missouri don't name installers, so we can't rank local companies here. Browse installers in Missouri.
Always verify the license and get at least three quotes. Compare quotes side by side.
Questions about solar in Florissant
Is solar worth it in Florissant, MO?
For a typical home in Florissant, solar is not worth it at 2026 prices: a 7.3 kW system costs about $20,655 after state incentives, saves about $1,365 in year one and pays back in about 16.1 years. Enter your address for an estimate based on your roof and bill.
How much solar power does a system produce in Florissant?
About 1,362 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 Missouri average. East- or west-facing roofs produce roughly 10–20% less.
Who is the electric utility in Florissant?
Most homes in Florissant are served by Ameren Missouri, at about 13.9¢ per kWh on average. Some areas are served by Cuivre River Electric Cooperative.
How much do solar panels cost in Florissant?
A fair cash price is around $2.85 per watt before incentives, so about $20,655 for a 7.3 kW system. There's no federal tax credit for homeowners who buy in 2026.
Nearby
- Hazelwood 16 yrs
- University City 16.1 yrs
- Maryland Heights 16.7 yrs
- St. Charles 15.7 yrs
- St. Louis 15.8 yrs
- St. Peters 15.6 yrs
- Kirkwood 16.7 yrs
- Chesterfield 16.8 yrs
- All of Missouri
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.