Typical home: Close call

Solar in Spartanburg, SC

With Duke Energy Carolinas's electricity at about 14.2¢ per kWh and 1,449 kWh of sun per kW, solar is a close call for a typical Spartanburg home today: about a 12.8-year payback.

Payback, typical home
12.8 yrsSouth Carolina: 11.8 yrs
25-year net
$18,979after paying $17,150
Sun
1,449kWh per kW per year
Electricity
14.2¢21% below U.S. average

A typical Spartanburg home, by the numbers

UtilityDuke Energy Carolinas
Electricity use1,051 kWh a month
Best-value system7 kW, about 16 panels, 10,145 kWh a year (80% of use)
Cost$20,650, or $17,150 after state incentives
First-year savings$1,415
Payback12.8 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 Spartanburg

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

Show as a table
PeriodValue
Jan99
Feb103
Mar127
Apr135
May148
Jun138
Jul138
Aug134
Sep121
Oct118
Nov101
Dec88

Homes in Spartanburg

Owner-occupied homes
54%
Single-family detached
63%
Median home value
$204k
Median year built
1968
Population
38,910
Roofs suitable for solar†
72%

Census ACS 2020–2024. †Share of 9,828 buildings Google Project Sunroof rated technically suitable (2019 snapshot).

Older housing stock. Many homes here were built before 1975. Have the roof and electrical panel checked before signing; a roof or panel upgrade can add thousands. Roof first?

Installers working in Spartanburg

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 Spartanburg

Is solar worth it in Spartanburg, SC?

For a typical home in Spartanburg, solar is a close call at 2026 prices: a 7 kW system costs about $17,150 after state incentives, saves about $1,415 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 Spartanburg?

About 1,449 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 0% less than the South Carolina average. East- or west-facing roofs produce roughly 10–20% less.

Who is the electric utility in Spartanburg?

Most homes in Spartanburg are served by Duke Energy Carolinas, at about 14.2¢ per kWh on average. Some areas are served by Broad River Electric Cooperative.

How much do solar panels cost in Spartanburg?

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

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.