Solar in Keystone, FL
With Duke Energy Florida's electricity at about 18.6¢ per kWh and 1,556 kWh of sun per kW, solar is worth it for a typical Keystone home today: about a 8.8-year payback.
- Payback, typical home
- 8.8 yrsFlorida: 10.5 yrs
- 25-year net
- $51,663after paying $20,270
- Sun
- 1,556kWh per kW per year
- Electricity
- 18.6¢3% above U.S. average
A typical Keystone home, by the numbers
| Utility | Duke Energy Florida |
|---|---|
| Electricity use | 1,009 kWh a month |
| Best-value system | 8.6 kW, about 20 panels, 13,382 kWh a year (111% of use) |
| Cost | $20,270 |
| First-year savings | $2,288 |
| Payback | 8.8 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 Keystone
- Owner-occupied homes
- 92%
- Single-family detached
- 90%
- Median home value
- $654k
- Median year built
- 1999
- Population
- 25,858
- Roofs suitable for solar†
- 93%
Census ACS 2020–2024. †Share of 9,287 buildings Google Project Sunroof rated technically suitable (2019 snapshot).
Installers working in Keystone
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 Keystone
Is solar worth it in Keystone, FL?
For a typical home in Keystone, solar is worth it at 2026 prices: a 8.6 kW system costs about $20,270 after state incentives, saves about $2,288 in year one and pays back in about 8.8 years. Enter your address for an estimate based on your roof and bill.
How much solar power does a system produce in Keystone?
About 1,556 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 1% more than the Florida average. East- or west-facing roofs produce roughly 10–20% less.
Who is the electric utility in Keystone?
Most homes in Keystone are served by Duke Energy Florida, at about 18.6¢ per kWh on average. Some areas are served by Tampa Electric (TECO), Withlacoochee River Electric Cooperative.
How much do solar panels cost in Keystone?
A fair cash price is around $2.45 per watt before incentives, so about $20,270 for a 8.6 kW system. There's no federal tax credit for homeowners who buy in 2026.
Nearby
- Citrus Park 9.1 yrs
- East Lake 8.7 yrs
- Northdale 9.2 yrs
- Carrollwood 9.1 yrs
- Town 'n' Country 9 yrs
- Lake Magdalene 9.1 yrs
- Palm Harbor 8.7 yrs
- Lutz 8.8 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.