Solar in Rock Hill, SC
With Duke Energy Carolinas's electricity at about 14.2¢ per kWh and 1,463 kWh of sun per kW, solar is worth it for a typical Rock Hill home today: about a 12.7-year payback.
- Payback, typical home
- 12.7 yrsSouth Carolina: 11.8 yrs
- 25-year net
- $19,149after paying $16,905
- Sun
- 1,463kWh per kW per year
- Electricity
- 14.2¢21% below U.S. average
A typical Rock Hill home, by the numbers
| Utility | Duke Energy Carolinas |
|---|---|
| Electricity use | 1,051 kWh a month |
| Best-value system | 6.9 kW, about 16 panels, 10,093 kWh a year (80% of use) |
| Cost | $20,405, or $16,905 after state incentives |
| First-year savings | $1,410 |
| Payback | 12.7 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 Rock Hill
- Owner-occupied homes
- 54%
- Single-family detached
- 59%
- Median home value
- $295k
- Median year built
- 1994
- Population
- 75,259
- Roofs suitable for solar†
- 76%
Census ACS 2020–2024. †Share of 15,181 buildings Google Project Sunroof rated technically suitable (2019 snapshot).
Installers working in Rock Hill
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 Rock Hill
Is solar worth it in Rock Hill, SC?
For a typical home in Rock Hill, solar is worth it at 2026 prices: a 6.9 kW system costs about $16,905 after state incentives, saves about $1,410 in year one and pays back in about 12.7 years. Enter your address for an estimate based on your roof and bill.
How much solar power does a system produce in Rock Hill?
About 1,463 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 South Carolina average. East- or west-facing roofs produce roughly 10–20% less.
Who is the electric utility in Rock Hill?
Most homes in Rock Hill are served by Duke Energy Carolinas, at about 14.2¢ per kWh on average. Some areas are served by City of Rock Hill, York Electric Cooperative, Fairfield Electric Cooperative.
How much do solar panels cost in Rock Hill?
A fair cash price is around $2.95 per watt before incentives, so about $20,405 for a 6.9 kW system. There's no federal tax credit for homeowners who buy in 2026.
Nearby
- Fort Mill 12.8 yrs
- Spartanburg 12.8 yrs
- Columbia 10.9 yrs
- Greer 12.9 yrs
- Simpsonville 13.2 yrs
- Mauldin 13.1 yrs
- Greenville 13.1 yrs
- Sumter 11.6 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.