Solar Panel Installers in Clayton, CA

A1 Sun is a family-owned residential solar and energy storage design and installation company based in Berkeley, California. Since 2007, the company has been helping Bay Area homeowners integrate solar and battery systems tailored to their current and future energy needs. A1 Sun focuses on advanced system design, blackout readiness with rapid off-grid switching, and durable installations that stand the test of time. The company customizes energy storage systems to maximize savings and offers real-time data monitoring for solar production. Their in-house installation teams coordinate closely with homeowners and contractors to ensure quality and safety. Serving Alameda, Contra Costa, Marin counties, and beyond, A1 Sun is committed to quality workmanship, customer service, and long-lasting solar solutions.

Greentech Renewables is a national solar distributor that provides a full suite of products, logistics, and warehouse support for residential and commercial solar and energy storage projects. Greentech Renewables offers vetted solar equipment, engineering and design services, finance solutions, and customer support to help installers and developers navigate policy, supply-chain, and installation challenges while reducing costs and improving project timelines.

GRID Alternatives is a nonprofit organization dedicated to advancing economic and environmental justice through renewable energy. The company envisions a rapid and equitable transition to a clean energy future that benefits all communities. GRID Alternatives provides community-powered solutions including solar installation programs for single-family homes, multifamily buildings, and communities, as well as workforce development through training programs and fellowships. The organization also engages in policy leadership, program administration, and clean mobility initiatives such as affordable public charging and battery storage. With a strong commitment to equity and sustainability, GRID Alternatives partners with various stakeholders to deliver impactful renewable energy projects and build a skilled clean energy workforce across the United States.

Primergy is a leading company in responsible energy development, specializing in utility-scale solar and energy storage projects across the United States. The company focuses on delivering innovative, sustainable, and high-performance energy solutions that meet the growing demands of the energy market. Primergy manages projects from development through long-term asset management, ensuring reliable and scalable clean energy deployment. With a strong emphasis on partnerships and visionary leadership, Primergy is committed to advancing the energy transition and providing lasting benefits to communities, investors, and the grid. The company operates a diverse portfolio of solar and battery energy storage systems and is dedicated to reshaping the future of America's domestic energy supply. Primergy is headquartered in Oakland, California.

Save A Lot Solar is a top-rated solar and battery installation company serving the San Francisco Bay Area, including Alameda, Contra Costa, and Marin counties. The company specializes in turnkey photovoltaic solar panel systems and energy storage solutions designed to make going solar easy and accessible. Save A Lot Solar installs high-quality solar panels and inverters from leading manufacturers, offering 25-year equipment warranties. The company emphasizes customer-focused service, handling all aspects of the installation process including permits and utility interconnection. Save A Lot Solar is NABCEP certified, ensuring professional expertise and knowledge in solar system installation. The company is committed to helping homeowners save money, achieve energy independence, and maintain power during outages with whole-house backup power systems.

Sun Light & Power is a 100% employee-owned solar company based in Berkeley, California, with over 45 years of experience designing and building solar energy solutions across the Greater San Francisco Bay Area. The company provides residential, commercial, non-profit, healthcare, hotel, business, and warehouse solar installations, including solar photovoltaic (PV) systems, solar thermal systems, and energy storage solutions. Sun Light & Power is a charter California B Corp committed to sustainability, reducing greenhouse gas emissions, and helping customers save money while increasing energy resilience. The company emphasizes quality, reliability, and customer service, having completed over 3,000 solar projects. Their services include custom solar design, installation, maintenance, and financing options, with a focus on long-term warranties and maximizing return on investment for their clients.

Sustainable Technologies, founded in 1999, is an environmental construction company specializing in the design and installation of efficient remediation and solar electrical systems. The company is minority-owned and staffed, holding M.B.E. certification from CPUC’s Supplier Clearinghouse and the Northern California Supplier Development Council. Sustainable Technologies serves a diverse clientele including environmental consulting and engineering firms, oil companies, system integrators, and individuals. The company’s team consists of qualified engineers and electricians with multidisciplinary expertise, capable of managing and building electrical and construction projects efficiently and affordably. Safety is a priority, with the crew being 40 Hour HAZWOPER trained. Sustainable Technologies is committed to improving the urban environment by creating sustainable alternatives and is a member of the California Green Business Network. The principal, Ernesto Montenero, has extensive experience in designing and installing various remediation systems, particularly solar-powered systems.