The Best Solar Companies in South Carolina 2023

Choosing the right solar installation company is probably the most important decision in your solar panel investment. When you’re looking for the best solar installer in South Carolina, it can be overwhelming.

How do you know you’re choosing the right one? Like any other industry, the solar industry has its fair share of fast-talking salespeople, high-pressure tactics, and inflated performance claims.

So, we created an honest list of the best solar companies in South Carolina based on several different factors. We wanted a brutally honest top ten because you, as a consumer, deserve to trust where your money goes.

Note: ZERO of these companies paid us to be on this list. This list is our unbiased take on the best solar companies in SC.

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    Top 10 Residential Solar Companies in SC


    Firefly Solar

    Greenville, SC

    south coast solar

    South Coast Solar

    Columbia, SC

    raywell solar

    RayWell Solar

    Charleston, SC


    R&C Construction Solar

    Greer, SC


    Alder Energy Systems

    Charleston, SC

    Summit Solar

    Summit Solar

    Greenville, SC

    south carolina solar project

    South Carolina Solar Project

    Charleston, SC

    sunstore solar

    Sunstore Solar

    Greenville, OR

    boss energy

    Boss Energy

    Charleston, SC

    carolina energy conservation

    Carolina Energy Conservation

    Myrtle Beach, SC

    How We Calculated the Top Solar Installers

    We combed the web and did a deep dive into all the solar companies in South Carolina. We read and averaged reviews from multiple websites, dug up warranties, accreditations, financing options, product options, experience, employee satisfaction, and more.

    We looked at the following factors:

    • Reviews
    • Do they have NABCEP accreditation?
    • Do they have BBB accreditation?
    • How do their warranties look?
    • Do they offer financing options?
    • Do they offer product options?
    • Do they use quality products?
    • How long have they been in business?
    • How many customers have they serviced?
    • How many employees do they have?
    • How is their employee satisfaction?
    • Company website

    How to Choose the Top Solar Installer

    • Read up on the solar installer’s reviews and client testimonials
    • Find out about the warranties offered
    • Check the solar installer’s credentials and accreditations
    • Ask for the turnaround time
    • Look for customized solutions
    • Decide whether you want a national or local solar installation company.
    • Get multiple quotes. Get a quote from at least 3 solar companies.
    Get the Best Solar Quotes
    from Top-rated Installers

    South Carolina Solar Energy Incentives

    Federal ITC
    South Carolina residents can take advantage of the 30% federal investment tax credit (ITC). A tax credit is a dollar-for-dollar reduction in your total income tax liability. If your system costs $10,000, you could claim a $3,000 credit on the federal taxes you owe.  The tax credit carries forward multiple years in case your federal tax liability is low.

    Other solar financial incentives to look for (not available in every state):

    • State tax credits
    • Net metering
    • SRECs – Solar Renewable Energy Certificates
    • Utility companies sometimes offer incentives
    • City and county-level incentives
    • Tax exemptions – sales and property value increase

    How Much Do Solar Panels Cost in SC?

    The average cost of solar panels (including installation) in South Carolina is $2.88 per watt.  The average cost of a 5kW solar panel system in South Carolina is $14,375, and $10,638 after the federal tax credit. 

    Average payback period: 8 years
    Average 20-year savings: $27,400

    Factors that determine your total cost

    • Size of the system
    • Equipment
    • Solar installation company
    • Solar incentives, tax credits, and rebates
    • Solar financing options
    • Payback period
    • Electricity rates in SC
    • Roof condition
    • Costs by city
    • Home value increase

    South Carolina Solar Energy Facts

    • Solar Installed (MW): 2,099
    • National Ranking: 14th (26th in 2021)
    • Enough Solar Installed to Power: 244,991 homes
    • Percentage of State’s Electricity from Solar: 2.9%
    • Solar Jobs in SC: 3,377
    • Number of Installations in SC: 29

    Data current through Q3 2022