Solar Panels Cost $8.2k-$16k in Spartanburg County, SC | August, 2025
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How much do solar panels cost in Spartanburg County, SC in 2025?
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The average cost per watt for solar systems in Spartanburg County, SC in August, 2025 is $2.94/W.
You should expect the cost to be $2,940, on average, for every 1000 watts (or 1 kW) of solar energy your solar panel system can generate. We can come to this conclusion by utilizing the rate price cost above. After receiving the 30% federal tax credit, you can expect to pay approximately $10,290, in Spartanburg County, for a 5 kW solar panel system. Be mindful that a bigger system may be needed to fulfill your energy needs.
To the left, you have the option to select your county and view the average roof size along with the average maximum capacity for solar panel systems in homes in your area. Below is a breakdown of the costs, payback period, and 20-year average savings for a 5 kW system in your county.
Average out-of-pocket cost for a 5 kW system The upfront amount spent to buy and install solar.
Spartanburg County: $10,290US Average: $12,523
Average Payback Period The number of years until you break even on the solar investment.
Spartanburg County: 6 yearsUS Average: 7 years
Average Net 20-year savings The total amount of money saved over 20 years minus the out-of-pocket cost.
Spartanburg County: $20,681US Average: $17,429
Solar Potential in Spartanburg County
Estimated system size and solar electricity production per median viable roof in Spartanburg County.
Roof size 840sq. ft.
Capacity 11.75kW DC
Electricity 15.2kkWh AC per yr.
Electricity Costs in Spartanburg County, SC & What that Means for Your Solar Panel Pricing
The average monthly electric bill for Spartanburg County residents is 147.42, with an average usage of 1,039 kWh. This statistic also comprises data from smaller living spaces like apartments with lower energy consumption.This statistic reflects the energy usage patterns of smaller dwellings, including apartments.
The average electricity rate in Spartanburg County, SC in August 2025 is 14.18¢ per kWh.
Upfront, an 8 kW solar system is priced at about $23,520, but with a 30% federal tax credit, the total comes down to $16,464.
Go Solar for less than your cell phone bill.
Average solar panel costs by system size in Spartanburg County
Below and to the left, you can find a detailed pricing breakdown for various solar panel system sizes installed in Spartanburg County. The initial cost for more extensive solar systems is greater, but they also offer higher electricity savings and higher income tax credits.
Look at the solar panel cost calculator down and to the right to see the cost and benefit details calculated from an average $147.42 electric bill in Spartanburg County. For more accurate results, just replace the $147.42 with whatever your typical electricity bill is.
System Size
Roof Size Min. space required
Electricity Value Annual Production
Est. Price
System Size 4kW
Roof Size Min. space required
286 ft²
Electricity Value Annual Production $887 a year
Est. Price
$8,232
Savings from a 4kWthis system
Est. yearly production 6,336 kWh
Est. monthly savings $74
Full payback in 5 years
Environmental Impacts
Reduces CO2 emissions by 2.28 tons a year
Equivalent to planting 105 trees a year
Equivalent to driving 5,641 mi less a year
System Size 5kW
Roof Size Min. space required
358 ft²
Electricity Value Annual Production $1,109 a year
Est. Price
$10,290
Savings from a 5kWthis system
Est. yearly production 7,920 kWh
Est. monthly savings $92
Full payback in 6 years
Environmental Impacts
Reduces CO2 emissions by 2.85 tons a year
Equivalent to planting 131 trees a year
Equivalent to driving 7,051 mi less a year
System Size 6kW
Roof Size Min. space required
429 ft²
Electricity Value Annual Production $1,331 a year
Est. Price
$12,348
Savings from a 6kWthis system
Est. yearly production 9,504 kWh
Est. monthly savings $111
Full payback in 7 years
Environmental Impacts
Reduces CO2 emissions by 3.42 tons a year
Equivalent to planting 157 trees a year
Equivalent to driving 8,461 mi less a year
System Size 7kW
Roof Size Min. space required
501 ft²
Electricity Value Annual Production $1,552 a year
Est. Price
$14,406
Savings from a 7kWthis system
Est. yearly production 11,088 kWh
Est. monthly savings $129
Full payback in 8 years
Environmental Impacts
Reduces CO2 emissions by 3.99 tons a year
Equivalent to planting 183 trees a year
Equivalent to driving 9,871 mi less a year
System Size 8kW
Roof Size Min. space required
572 ft²
Electricity Value Annual Production $1,774 a year
Est. Price
$16,464
Savings from a 8kWthis system
Est. yearly production 12,672 kWh
Est. monthly savings $147
Full payback in 9 years
Environmental Impacts
Reduces CO2 emissions by 4.53 tons a year
Equivalent to planting 208 trees a year
Equivalent to driving 11,217 mi less a year
Spartanburg County Solar Panel Installation Incentives & Rebates | 2025
The REAP Grant currently offers between 80% and 100% support for the installation costs of solar energy or wind turbines for rural small businesses and farmlands. If you feel you might be in this category, we suggest confirming your qualification with our REAP Grant eligibility tool.
For those considering residential solar, the 30% federal income tax credit is offered to nearly everyone, which makes solar power a smart investment in various parts of the country. State and local efforts are also in place to enhance the growth of solar energy use.
In South Carolina, different utilities and government organizations offer 10 solar rebate and incentive initiatives.
Solar incentives in SCIncentive Description Value
Solar Energy, Small Hydropower, and Geothermal Tax Credit (Corporate)
Value:Up to $3,500
South Carolina businesses are eligible for tax credits on the equipment and installation expenses of a new renewable energy system or energy-efficient building materials. Qualifying technologies include solar, hydroelectric, and geothermal as used to generate electricity or for heating/cooling. All system components are also eligible for credits. The credit is valued at 25% of costs up to $3,500 per property and $5,000 per company. To claim the credit, interested businesses should obtain the proper paperwork from the South Carolina Department of Revenue.
Santee Cooper - Rooftop Solar Rebate Program
Value:Up to $6,300
Residential and small commercial Santee Cooper customers may be entitled to rebates on new rooftop solar panels used for photovoltaic energy. Installations must be performed by a participating contractor and meet certain performance and safety standards. Additional information is available from the Santee Cooper website.
ConserFund Loan Program
Value:Varies
ConserFund is a loan initiative overseen by the South Carolina Energy Office. Loans support state/local agencies, public colleges and schools, and nonprofits in making energy efficiency improvements, including installing new renewable energy devices. Qualifying projects include building retrofit work, geothermal pumps, solar panels, or biomass systems. The available principal per loan varies from $25,000 to $500,000 depending on the nature of the project. The borrower has six months to begin installation from the time of the loan's disbursement. Qualifying public-sector borrowers may have 30% of their loan principal automatically forgiven.
Net Metering
Value:Varies
South Carolina electric customers using an interconnected solar or wind energy system may enter net metering agreements with their utility. Any system rated for under 20 kW (residential) or 1 MW (nonresidential) qualifies. The utility will install a bidirectional meter onto the system to measure net excess generation (NEG) sent back to the grid. Customers will receive energy bill credits for the NEG they generate at a fixed avoided-cost rate. Excess bill credits that remain at the end of the year will be paid as a lump sum. Additional information is available from individual utilities. Utilities may set their own net metering terms within a certain domain.
South Carolina Municipalities - Green Power Purchasing
Value:Varies
In 2001, Santee Cooper established a Green Power Program allowing residential customers to purchase renewably-sourced energy at $3 for a 100 kWh block. Commercial customers may purchase 200 kWh blocks at $6. Any customer-member of a South Carolina electric cooperative, as well as customers in Georgetown, may participate. Additional information is available through the Santee Cooper website.
State Building Energy Standards
Value:Varies
New government buildings in South Carolina are subject to green construction requirements. Generally, new occupied state facilities should meet or exceed the standards for LEED Silver certification. Buildings receiving two Green Globes may also meet the standards. By 2020, existing buildings should take measures to cut energy consumption by 20% from a 2000 baseline. Exceptions apply to buildings of certain types, as well as any project where it is determined that project costs would exceed gained energy efficiency. Additional information is available from the South Carolina Energy Office.
Interconnection Guidelines
Value:Varies
Distributed generation and grid interconnection practices have been standardized in South Carolina since 2006. New renewable energy systems in the South Carolina Electric and Gas, Duke Energy, and Progress Energy service areas will be organized into three regulatory tiers based on capacity. A system's tier will determine available permitting processes, fees, review turnaround time, and safety/performance standards. The state requires all interconnected systems to have multiple external disconnect switches. Non-residential system owners are required to carry at least $300,000 of liability insurance on their system.
Renewable Energy Manufacturing Tax Credit
Value:Varies
In South Carolina, tax credits are available for businesses involved in the manufacture of renewable energy equipment. Qualifying equipment includes solar, wind, biomass, geothermal, and a range of other technologies. The maximum available credit is $500,000 per year and $5 million per company. As a condition for receiving the credit, companies are required to invest a minimum amount in new manufacturing facilities, jobs, or other expenses. The required investment will vary from county to county. Additional information is available from the South Carolina Department of Commerce.
Santee Cooper - Renewable Energy Resource Loans
Value:Varies
Residential Santee Cooper customers may be eligible for special financing on new solar PV, wind, biomass, or energy-efficient water heating projects. Qualifying systems should be installed by a participating contractor and meet the requirements for grid interconnection and net billing. The maximum available principal per loan is $40,000, to be repaid over ten years at a low interest rate. To apply, customers should schedule an energy efficiency audit with a Santee Cooper representative and obtain preapproval for the interconnection of their system. Additional information is available from the Santee Cooper website.
Solar Energy, Small Hydropower, and Geothermal Tax Credit (Personal)
Value:Varies
South Carolina homeowners are eligible for tax credits on the equipment and installation expenses of a new renewable energy system or energy-efficient building materials. Qualifying technologies include solar, hydroelectric, and geothermal as used to generate electricity or for heating/cooling. All system components are also eligible for credits. The credit is valued at 25% of costs up to $3,500 per property and $5,000 per taxpayer. To claim the credit, interested homeowners should obtain the proper paperwork from the South Carolina Department of Revenue.
Are solar panels worth it in Spartanburg County, SC?
If you're intending to stay in your home past the period required to pay back your solar investment, installing solar panels is a good decision in Spartanburg County. By installing a 5 kW solar system in Spartanburg County, SC, you can expect to save approximately $25,090.8 over 20 years, with the break even point usually being 6 years.
The cost of not having solar panels in Spartanburg County, SC
In addition to missing out on the savings discussed previously, not installing solar panels or another form of backup power results in you being completely dependent on your electric utility. Full reliance on your utility provider isn't always the best idea, as recent examples in the news have shown.
In Spartanburg County, there are about 1.23 outages per customer annually. Outages typically last for an average of 144.15 minutes. Major occurrences like lightning strikes, vandalism, or grid management errors can lead to a significant rise in these time frames.
See the graphic below to see the number of current electricity customers without power in Spartanburg County.
Even without a backup battery, a solar panel system can mitigate the stress of future outages you may experience.
Power Outages
Currently, 0 customers are being tracked in Spartanburg County.
What impacts the cost of solar panels in Spartanburg County, SC?
Your Energy Needs - Even though larger solar panel systems are more costly, the average cost per watt diminishes as the system size grows. For most homeowners, setting up a system that can make enough power to fully offset their entire electric bill is advantageous, providing significant savings.
Make & Model - Solar panels, just like many other products, are available in a variety of makes and models. Choosing an contractor with specific brand preferences means it's even more important essential to go with a recommended company. Consumers who prioritize better materials usually enjoy a more favorable long-term experience.
Solar Panel Type - For several reasons, monocrystalline panels have become the standard in the industry. Although they are more expensive, they provide increased energy. Most installers work with panels made from this material.
Your Property - Trees, uneven landscapes, or other hindrances can make the installation process more challenging. Nowadays, many solar installers can assess your home with satellite images and include these factors in the initial cost estimate.
Labor Rates - The wages employees get from their employers are different, and these costs are transferred to the consumers. Often, companies paying more in wages also enjoy higher ratings for their services and customer service.
Permitting & Interconnection - Your final installation price will be impacted by the permitting and utility interconnection fees, which change by area. Experienced local installers will include these numbers into your first quotes to prevent any surprises.
See what solar panels cost in other Spartanburg County cities
In August, 2025, the average cost of solar panels per watt in Spartanburg County, SC is $2.94/W. With the federal tax credit, the cost of a 5 kW solar panel system in Spartanburg County, SC drops to roughly $10,290.
If you live in South Carolina, you can find 10 rebates and incentives through different utilities and government agencies. In addition, the 30% federal income tax credit is available to almost everyone.
Cash payments yield the highest savings, yet several financing options now available for solar panels are advantageous as well. Installers frequently provide financing options and will include them in your initial quotes.
Yes, the average time to recoup the cost of 5 kW solar panels in Spartanburg County, SC is 6 years, with homeowners saving an average of $25,090.8 on electricity over 20 years.
Savings from 
Environmental Impacts 
