Compare the highest-rated home solar professionals in Johnston, South Carolina. All contractors are licensed, insured, and verified through our rigorous screening process.
A leading national solar provider with a significant presence in South Carolina. They are known for a comprehensive, technology-forward approach, offering their proprietary monitoring software and a strong emphasis on ongoing system maintenance and protection plans.
A top-rated local installer based in Augusta, GA, that is an authorized dealer of SunPower, a manufacturer known for high-efficiency, premium solar panels. They combine national product quality with localized, expert service and design.
A well-established national company known for its straightforward customer service and flexible financing options, including their popular BluePower Plus™ financing. They have a strong operational footprint across the southeastern U.S.
** The home solar market in and around Johnston, South Carolina, is served by a mix of high-quality regional and national installers rather than a dense concentration of small, hyper-local companies. The competition is moderate but features several reputable, well-established providers. Homeowners in Johnston benefit from South Carolina's favorable solar policies, including the state income tax credit (up to 25% of costs) and the federal investment tax credit (ITC), which significantly reduce the net cost of installation. Typical pricing for a residential system is competitive with the national average, generally ranging from **$2.50 to $3.50 per watt** before incentives. For an average-sized 6 kW system, this translates to a gross cost of approximately **$15,000 to $21,000**. The strong presence of companies like Palmetto and Blue Raven indicates a mature market with a focus on diverse financing options (loans, leases, PPAs), making solar accessible without large upfront payments. Overall, the market is robust and offers Johnston residents several excellent, vetted choices for transitioning to solar energy.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Johnston regulations and climate
Get answers to common questions about home solar services in Johnston, South Carolina.
For a typical 6-8 kW system in Johnston, the average gross cost ranges from $18,000 to $25,000 before incentives. Crucially, South Carolina homeowners benefit from a 25% state tax credit (on top of the 30% federal tax credit) and the state's full retail net metering policy, which can significantly reduce your net cost. Additionally, Edgefield County may have specific property tax exemptions for the added value of solar panels.
Johnston's humid subtropical climate offers ample sunshine, especially during the long summers, which is ideal for solar production. While summer heat can slightly reduce panel efficiency, the long daylight hours result in peak output. Production will be lower in winter due to shorter days, but sunny winter days are common, and panels will still generate meaningful power, just at a reduced rate compared to summer peaks.
Prioritize installers licensed in South Carolina with strong local experience, as they will be familiar with Johnston's specific permitting process through the Town of Johnston and interconnection requirements with Aiken Electric Cooperative. Look for established companies with strong warranties, local references, and a proven track record of navigating South Carolina's net metering and incentive paperwork to ensure a smooth process.
From contract to activation, the process typically takes 2 to 4 months. This timeline includes system design, securing permits from the Town of Johnston, the physical installation (which takes 1-3 days), and the final inspection and interconnection approval from Aiken Electric Cooperative. Seasonal factors like high demand in spring can sometimes extend timelines slightly.
This is a valid concern given South Carolina's storm risk. Reputable installers in Johnston will engineer systems to meet strict building codes designed to withstand high winds, typically up to 140-160 mph. Furthermore, most homeowners' insurance policies in South Carolina cover solar panels as part of the dwelling, but you should confirm this with your insurer and ensure your coverage amounts are adjusted accordingly.