Typical home: Close call

Solar in Simpsonville, SC

With Duke Energy Carolinas's electricity at about 14.2¢ per kWh and 1,406 kWh of sun per kW, solar is a close call for a typical Simpsonville home today: about a 13.2-year payback.

Payback, typical home
13.2 yrsSouth Carolina: 11.8 yrs
25-year net
$18,263after paying $17,640
Sun
1,406kWh per kW per year
Electricity
14.2¢21% below U.S. average

A typical Simpsonville home, by the numbers

UtilityDuke Energy Carolinas
Electricity use1,051 kWh a month
Best-value system7.2 kW, about 17 panels, 10,120 kWh a year (80% of use)
Cost$21,140, or $17,640 after state incentives
First-year savings$1,414
Payback13.2 years
Exported power3.5¢/kWh (Duke Energy Carolinas)

Cash purchase, no federal credit, 1.9% yearly rate increases. Run it with your own numbers.

Solar production per kW in Simpsonville

kWh per kW each month, south-facing at 20° tilt. PVWatts v8 with local typical-year weather.

Show as a table
PeriodValue
Jan100
Feb97
Mar122
Apr131
May138
Jun139
Jul138
Aug130
Sep113
Oct114
Nov99
Dec84

Homes in Simpsonville

Owner-occupied homes
68%
Single-family detached
70%
Median home value
$299k
Median year built
1999
Population
26,144
Roofs suitable for solar†
74%

Census ACS 2020–2024. †Share of 4,738 buildings Google Project Sunroof rated technically suitable (2019 snapshot).

Installers working in Simpsonville

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 Simpsonville

Is solar worth it in Simpsonville, SC?

For a typical home in Simpsonville, solar is a close call at 2026 prices: a 7.2 kW system costs about $17,640 after state incentives, saves about $1,414 in year one and pays back in about 13.2 years. Enter your address for an estimate based on your roof and bill.

How much solar power does a system produce in Simpsonville?

About 1,406 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 3% less than the South Carolina average. East- or west-facing roofs produce roughly 10–20% less.

Who is the electric utility in Simpsonville?

Most homes in Simpsonville are served by Duke Energy Carolinas, at about 14.2¢ per kWh on average. Some areas are served by Blue Ridge Electric Cooperative, Laurens Electric Cooperative.

How much do solar panels cost in Simpsonville?

A fair cash price is around $2.95 per watt before incentives, so about $21,140 for a 7.2 kW system. There's no federal tax credit for homeowners who buy in 2026.

Nearby

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.