Solar in St. Petersburg, FL
With Duke Energy Florida's electricity at about 18.6¢ per kWh and 1,612 kWh of sun per kW, solar is worth it for a typical St. Petersburg home today: about a 8.5-year payback.
- Payback, typical home
- 8.5 yrsFlorida: 10.5 yrs
- 25-year net
- $52,414after paying $19,685
- Sun
- 1,612kWh per kW per year
- Electricity
- 18.6¢3% above U.S. average
A typical St. Petersburg home, by the numbers
| Utility | Duke Energy Florida |
|---|---|
| Electricity use | 1,009 kWh a month |
| Best-value system | 8.3 kW, about 19 panels, 13,376 kWh a year (110% of use) |
| Cost | $19,685 |
| First-year savings | $2,288 |
| Payback | 8.5 years |
| Exported power | Full retail net metering (Duke Energy Florida) |
Cash purchase, no federal credit, 2.8% yearly rate increases. Run it with your own numbers.
Homes in St. Petersburg
- Owner-occupied homes
- 63%
- Single-family detached
- 55%
- Median home value
- $371k
- Median year built
- 1969
- Population
- 262,732
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 St. Petersburg
Public installation records for Florida don't name installers, so we can't rank local companies here. Browse installers in Florida.
Always verify the license and get at least three quotes. Compare quotes side by side.
Questions about solar in St. Petersburg
Is solar worth it in St. Petersburg, FL?
For a typical home in St. Petersburg, solar is worth it at 2026 prices: a 8.3 kW system costs about $19,685 after state incentives, saves about $2,288 in year one and pays back in about 8.5 years. Enter your address for an estimate based on your roof and bill.
How much solar power does a system produce in St. Petersburg?
About 1,612 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 4% more than the Florida average. East- or west-facing roofs produce roughly 10–20% less.
Who is the electric utility in St. Petersburg?
Most homes in St. Petersburg are served by Duke Energy Florida, at about 18.6¢ per kWh on average.
How much do solar panels cost in St. Petersburg?
A fair cash price is around $2.45 per watt before incentives, so about $19,685 for a 8.3 kW system. There's no federal tax credit for homeowners who buy in 2026.
Nearby
- Pinellas Park 8.6 yrs
- Largo 8.5 yrs
- Ruskin 9 yrs
- Apollo Beach 9 yrs
- Clearwater 8.5 yrs
- Town 'n' Country 9 yrs
- Tampa 9.1 yrs
- Sun City Center 9 yrs
- All of Florida
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.