Solar in Summerville, SC
With Dominion Energy South Carolina's electricity at about 17.0¢ per kWh and 1,433 kWh of sun per kW, solar is worth it for a typical Summerville home today: about a 11-year payback.
- Payback, typical home
- 11 yrsSouth Carolina: 11.8 yrs
- 25-year net
- $28,494after paying $19,110
- Sun
- 1,433kWh per kW per year
- Electricity
- 17.0¢6% below U.S. average
A typical Summerville home, by the numbers
| Utility | Dominion Energy South Carolina |
|---|---|
| Electricity use | 1,032 kWh a month |
| Best-value system | 7.8 kW, about 18 panels, 11,176 kWh a year (90% of use) |
| Cost | $22,610, or $19,110 after state incentives |
| First-year savings | $1,813 |
| Payback | 11.0 years |
| Exported power | 3.4¢/kWh (Dominion Energy South Carolina) |
Cash purchase, no federal credit, 1.9% yearly rate increases. Run it with your own numbers.
Homes in Summerville
- Owner-occupied homes
- 69%
- Single-family detached
- 64%
- Median home value
- $328k
- Median year built
- 2001
- Population
- 51,654
- Roofs suitable for solar†
- 83%
Census ACS 2020–2024. †Share of 12,776 buildings Google Project Sunroof rated technically suitable (2019 snapshot).
Installers working in Summerville
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 Summerville
Is solar worth it in Summerville, SC?
For a typical home in Summerville, solar is worth it at 2026 prices: a 7.8 kW system costs about $19,110 after state incentives, saves about $1,813 in year one and pays back in about 11 years. Enter your address for an estimate based on your roof and bill.
How much solar power does a system produce in Summerville?
About 1,433 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 Summerville?
Most homes in Summerville are served by Dominion Energy South Carolina, at about 17.0¢ per kWh on average. Some areas are served by Berkeley Electric Cooperative, Edisto Electric Cooperative, South Carolina Public Service Authority.
How much do solar panels cost in Summerville?
A fair cash price is around $2.95 per watt before incentives, so about $22,610 for a 7.8 kW system. There's no federal tax credit for homeowners who buy in 2026.
Nearby
- North Charleston 11 yrs
- Goose Creek 11.2 yrs
- Charleston 10.8 yrs
- Mount Pleasant 10.6 yrs
- Hilton Head Island 11.6 yrs
- Sumter 11.6 yrs
- Bluffton 10.9 yrs
- Columbia 10.9 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.