Charleston, SC Solar Installation Contractors

U.S. Solar Contractors

📍 Charleston, SC

U.S. Solar Contractors is a licensed solar installation company headquartered at 460 King Street in Charleston, South Carolina. The company designs and installs solar systems for both residential and commercial customers, offering customized solutions tailored to individual energy needs. Services cover the full project lifecycle, from initial system design through installation and ongoing support. For prospective customers in the Charleston area, the company offers both in-person and virtual solar consultations, allowing homeowners and business owners to get estimates and review options without an on-site visit. U.S. Solar Contractors operates across a multi-state service footprint that includes Charleston, Mount Pleasant, Columbia, and Greenville in South Carolina; Tampa and Jacksonville in Florida; Savannah and Atlanta in Georgia; and Charlotte in North Carolina. The company is affiliated with US Electric Contractors and US Energy Group, suggesting broader electrical and energy service capabilities within the same corporate family. Inquiries can be directed by phone at 843-834-7918 or by email at [email protected].

Legacy Solar Solutions

📍 Charleston, SC

Legacy Solar Solutions is a roofing and solar installation company serving Charleston, South Carolina. The company offers a combined roof and solar service, including a no-cost roof replacement program for qualified homeowners. Prospective customers can schedule a free inspection to determine eligibility. Their process follows four stages: a free consultation to assess savings potential, custom solar system design using current technology, permitting handled and paid for by Legacy Solar Solutions, and final installation. The company states it works with multiple financial partners to maximize energy cost reductions. Legacy Solar Solutions highlights several potential benefits for homeowners who go solar, including energy bill reductions of up to 40%, protection against annual utility rate increases of 3–6%, potential home value increases, and access to federal and state incentive programs for qualified homeowners. The company also operates a referral program for existing customers. Services appear to be aimed at residential homeowners. Legacy Solar Solutions positions itself as a local Charleston business with a focus on customer care and environmental impact, though specific details such as years in operation, team size, or third-party certifications are not disclosed on their website.

Cornerstone Construction - Roofing & Solar

📍 Charleston, SC

Boss Energy

📍 Charleston, SC

Boss Energy is a renewable energy contractor serving the Southeast, with coverage spanning South Carolina, North Carolina, and Georgia. Based in Charleston, South Carolina, the company offers a broad range of energy services under one roof, including solar system installation for existing homes, solar integration for new construction, ongoing solar maintenance, and solar lease options for customers who prefer not to purchase outright. Beyond solar, Boss Energy installs battery storage systems from Tesla and Franklin, sets up EV charging equipment, and offers generator services. The company positions itself as a single-source provider for residential and commercial customers making the transition away from fossil fuels. Customer reviews on Google reference smooth installations and responsive follow-up communication from the team. The contact form on their site allows prospective customers to specify their state and project type—solar installation, solar maintenance, battery storage, EV charging, or generator—before reaching out. Boss Energy does not publish pricing on its website; interested customers are directed to contact the company for a quote.

U.S. Renewable Power

📍 Charleston, SC

U.S. Renewable Power, operating as Charleston Solar in Charleston, South Carolina, is a solar energy company dedicated to providing sustainable energy solutions for both homes and businesses. The company offers tailored solar installations across three main customer segments: residential homeowners, commercial businesses of all sizes, and large-scale agricultural and government projects. Their services cover the full project lifecycle, from initial consultation through installation, with an emphasis on effortless project management. U.S. Renewable Power highlights three core benefits for customers: rate protection against rising energy costs, increased property value, and potential savings of approximately 80% on electricity costs over the lifespan of a solar system. The company reports having served over 337,537 clients and generated millions of kilowatts of electricity. With operations across the United States and in key locations in South America, the company brings broad experience to its Charleston-area customers. Clients consistently praise individual consultants for their solar knowledge, professionalism, and ability to guide homeowners through the process with clarity. Prospective customers can begin with a free eligibility review and quote available directly on the company's website.

Alder Energy Development

📍 Charleston, SC

Alder Energy Development is a Charleston, South Carolina-based solar integrator that has been delivering turnkey alternative energy solutions since 2008. The company focuses on community, industrial, and commercial applications through two primary service lines: community solar farms, which generate electricity shared by multiple households and businesses who participate in the program for lower electricity costs, and rooftop leasing, which allows commercial building owners to host a community solar project on their rooftop and earn passive income. Alder Energy manages projects from development through completion and has built a portfolio of installations across South Carolina, including commercial rooftop systems for Draexlmaier Automotive of America in Duncan, Tanger Outlets in North Charleston, the Heuser Ace Hardware in Bluffton, Champion Aerospace in Liberty, and municipal projects for the Town of James Island. The company's client list includes organizations such as Santee Cooper, Johnson Controls, and the cities of Greenville and Beaufort, reflecting experience across both private sector and government projects. Alder Energy's stated focus is on helping clients achieve sustainability goals through resilient, cost-saving solar solutions.

SCSP Solar

📍 Charleston, SC

SCSP Solar is a solar installation company based in Charleston, South Carolina, serving residential customers across South Carolina, North Carolina, and Georgia. The company handles the full installation process, including system design tailored to individual energy needs, permit filing and HOA coordination, and same-day installation in many cases. Customers also receive access to a monitoring app to track system performance after go-live. SCSP Solar focuses on helping homeowners reduce electricity costs and achieve energy independence from utility grid rates, pointing customers toward available government incentives as part of the initial consultation. Reviews on SolarReviews, where the company holds a 4.51 rating, highlight transparent sales consultations, responsive project coordination, and quality craftsmanship — one municipal inspector reportedly praised the electrical work as notably clean compared to other jobs. Verified customer installations are documented in Mount Pleasant, Okatie, and Bowling Green, South Carolina. The company also offers battery storage as an add-on for customers who want backup power alongside their solar array. Prospective customers can schedule an appointment directly through the website, and existing customers can submit referrals through a dedicated referral portal.

LGCY Power

📍 Charleston, SC

LGCY Power is a residential solar installation company serving Charleston, South Carolina, with a local office at 7410 Northside Dr Suite 240. The company offers solar panel packages for homeowners, covering the full installation process from initial consultation through system activation. In addition to solar, LGCY Power provides roofing services, including new roof installation and solar panel removal and reinstallation—useful when roof work is needed before or after a solar project. The company also participates in a Virtual Power Plant program, which allows connected solar systems to interact with the broader energy grid. Prospective customers can schedule a free consultation and access resources on solar costs, benefits, and incentives through the company's website. LGCY Power operates Monday through Saturday from 8:00 AM to 8:00 PM and can be reached at (843) 905-2774. Customer support is available for existing clients to track installation progress or address system issues. The company focuses exclusively on the residential market and positions its Charleston location as part of a broader response to South Carolina's energy and environmental challenges.