Solar Panel Savings in Spartanburg, SC

Calculate how much you can save with solar panels in Spartanburg, South Carolina. Based on 4.6 peak sun hours/day and 14.5¢/kWh average electricity rate.

4.6

Peak Sun Hours/Day

14.5¢

Avg Rate (¢/kWh)

11.1 yr

Payback Period

$40k

25-Year Savings

Spartanburg Solar Overview

Population:37,647
Sunny Days/Year:218
Avg Temperature:66°F
Solar Penetration:6.9%
Utility Company:Duke Energy
Net Metering:Available

Calculate Your Spartanburg Solar Savings

3 kW15 kW

Spartanburg average: $131/mo

South-facing roofs produce the most energy

Add $8,000-$12,000 for whole-home battery backup

Annual Production

8,059

kWh/year

Annual Savings

$1,171

per year

Net System Cost

$12,684

after 30% ITC

Payback Period

10.8 yr

break-even time

25-Year Total Savings

$39,999

Monthly Savings

$98

Federal Tax Credit

$5,436

Cumulative Savings vs System Cost

$0k$11k$21k$31k$42kYr 0Yr 5Yr 10Yr 15Yr 20Yr 25System CostBreak-even
Cumulative Savings System Cost

Cost Breakdown

ItemSpartanburgNational Avg
Gross System Cost (6kW)$18,120$17,100
Federal Tax Credit (30%)-$5,436-$5,130
Net System Cost$12,684$11,970
Cost Per Watt$3.02/W$2.85/W

Solar Potential in Spartanburg

Sun Hours vs National Average

4.6 hrs
4.5 hrs

Spartanburg gets 2% more sun than the national average.

Climate Advantages

  • 218 sunny days per year
  • Average temperature: 66°F — moderate climate with good solar conditions
  • Average roof size: 1,667 sq ft — enough for a 92-panel system

Spartanburg Solar Incentives & Programs

Federal Investment Tax Credit (ITC)

30% of total system cost deducted from federal taxes. For a $18,120 system, that's a $5,436 credit. Valid through 2032.

South Carolina State Incentives

Tax credit up to 25% (capped at $3,500).

Net Metering — Duke Energy

Duke Energy offers net metering in Spartanburg. Earn credits for excess solar energy sent to the grid, reducing your electric bill further.

Environmental Impact in Spartanburg

3.4

Tons CO2 Offset/Year

55

Equivalent Trees Planted

0.8

Homes Worth of Energy

Based on 8,059 kWh annual production with a 6kW system. EPA average: 0.417 metric tons CO2 per MWh, 10,632 kWh per US home.

Solar Energy in Spartanburg, South Carolina

Spartanburg, South Carolina receives an average of 4.6 peak sun hours per day, providing excellent conditions for residential solar installations. With electricity rates averaging 14.5¢ per kWh from Duke Energy, below the national average, but with rates rising 2-3% annually, the long-term savings are still meaningful.

A typical 6kW solar system in Spartanburg produces approximately 8,059 kWh per year, saving homeowners an estimated $1,171 annually. The system pays for itself in about 10.8 years, after which you enjoy essentially free electricity for the remaining 14+ years of the system's warranty life.

Spartanburg has a solar penetration rate of 6.9% — showing growing adoption of residential solar, with significant room for expansion. The cost of living index of 84.8 (national average: 100) reflects a lower cost of living, keeping installation costs competitive.

Other Cities in South Carolina

Frequently Asked Questions

How much do solar panels cost in Spartanburg, SC?

The average cost of a 6kW solar panel system in Spartanburg is approximately $18,120 before incentives ($3.02/watt). After the 30% federal Investment Tax Credit, the net cost is about $12,684. Tax credit up to 25% (capped at $3,500).

How many peak sun hours does Spartanburg get?

Spartanburg, SC receives an average of 4.6 peak sun hours per day and approximately 218 sunny days per year. This is near the national average, providing good conditions for residential solar panels.

What is the solar payback period in Spartanburg?

The average solar payback period in Spartanburg is approximately 11.1 years. After payback, your solar panels generate essentially free electricity for the remaining 15-20 years of their warranty. Over 25 years, total savings can reach $39,999.

Does Spartanburg have net metering?

Yes, Spartanburg has access to net metering through Duke Energy. This allows you to earn credits for excess solar energy sent to the grid, significantly improving your solar investment returns.

Is solar worth it in Spartanburg, SC?

Yes, solar is a solid investment in Spartanburg. While the 11.1-year payback is moderate, you'll still save $39,999 over 25 years. The 30% federal tax credit and local incentives help make solar financially attractive.

Related Calculators