Solar in Fort Mill, SC
With Duke Energy Carolinas's electricity at about 14.2¢ per kWh and 1,443 kWh of sun per kW, solar is a close call for a typical Fort Mill home today: about a 12.8-year payback.
- Payback, typical home
- 12.8 yrsSouth Carolina: 11.8 yrs
- 25-year net
- $18,950after paying $17,150
- Sun
- 1,443kWh per kW per year
- Electricity
- 14.2¢21% below U.S. average
A typical Fort Mill home, by the numbers
| Utility | Duke Energy Carolinas |
|---|---|
| Electricity use | 1,051 kWh a month |
| Best-value system | 7 kW, about 16 panels, 10,104 kWh a year (80% of use) |
| Cost | $20,650, or $17,150 after state incentives |
| First-year savings | $1,416 |
| Payback | 12.8 years |
| Exported power | 3.5¢/kWh (Duke Energy Carolinas) |
Cash purchase, no federal credit, 1.9% yearly rate increases. Run it with your own numbers.
Homes in Fort Mill
- Owner-occupied homes
- 83%
- Single-family detached
- 78%
- Median home value
- $488k
- Median year built
- 2011
- Population
- 30,775
- Roofs suitable for solar†
- 81%
Census ACS 2020–2024. †Share of 3,370 buildings Google Project Sunroof rated technically suitable (2019 snapshot).
Installers working in Fort Mill
Public installation records for South Carolina don't name installers, so we can't rank local companies here. Browse installers in South Carolina.
Always verify the license and get at least three quotes. Compare quotes side by side.
Questions about solar in Fort Mill
Is solar worth it in Fort Mill, SC?
For a typical home in Fort Mill, solar is a close call at 2026 prices: a 7 kW system costs about $17,150 after state incentives, saves about $1,416 in year one and pays back in about 12.8 years. Enter your address for an estimate based on your roof and bill.
How much solar power does a system produce in Fort Mill?
About 1,443 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 1% less than the South Carolina average. East- or west-facing roofs produce roughly 10–20% less.
Who is the electric utility in Fort Mill?
Most homes in Fort Mill are served by Duke Energy Carolinas, at about 14.2¢ per kWh on average. Some areas are served by York Electric Cooperative.
How much do solar panels cost in Fort Mill?
A fair cash price is around $2.95 per watt before incentives, so about $20,650 for a 7 kW system. There's no federal tax credit for homeowners who buy in 2026.
Nearby
- Rock Hill 12.7 yrs
- Spartanburg 12.8 yrs
- Columbia 10.9 yrs
- Greer 12.9 yrs
- Simpsonville 13.2 yrs
- Mauldin 13.1 yrs
- Sumter 11.6 yrs
- Greenville 13.1 yrs
- All of South Carolina
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.