Typical home: Close call

Solar in Greenville, SC

With Duke Energy Carolinas's electricity at about 14.2¢ per kWh and 1,417 kWh of sun per kW, solar is a close call for a typical Greenville home today: about a 13.1-year payback.

Payback, typical home
13.1 yrsSouth Carolina: 11.8 yrs
25-year net
$18,362after paying $17,395
Sun
1,417kWh per kW per year
Electricity
14.2¢21% below U.S. average

A typical Greenville home, by the numbers

UtilityDuke Energy Carolinas
Electricity use1,051 kWh a month
Best-value system7.1 kW, about 17 panels, 10,059 kWh a year (80% of use)
Cost$20,895, or $17,395 after state incentives
First-year savings$1,406
Payback13.1 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 Greenville

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

Show as a table
PeriodValue
Jan99
Feb99
Mar124
Apr132
May147
Jun128
Jul137
Aug134
Sep112
Oct123
Nov100
Dec83

Homes in Greenville

Owner-occupied homes
41%
Single-family detached
42%
Median home value
$488k
Median year built
1987
Population
72,935
Roofs suitable for solar†
69%

Census ACS 2020–2024. †Share of 17,187 buildings Google Project Sunroof rated technically suitable (2019 snapshot).

Installers working in Greenville

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 Greenville

Is solar worth it in Greenville, SC?

For a typical home in Greenville, solar is a close call at 2026 prices: a 7.1 kW system costs about $17,395 after state incentives, saves about $1,406 in year one and pays back in about 13.1 years. Enter your address for an estimate based on your roof and bill.

How much solar power does a system produce in Greenville?

About 1,417 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 2% less than the South Carolina average. East- or west-facing roofs produce roughly 10–20% less.

Who is the electric utility in Greenville?

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

How much do solar panels cost in Greenville?

A fair cash price is around $2.95 per watt before incentives, so about $20,895 for a 7.1 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.