Top Solar Energy Companies in San Francisco Bay Area, CA (22)
Throne Labs is a technology company on a mission to meaningfully expand public restroom access. They design and operate a network of smart, self-contained, and modular portable restrooms that leverage IoT sensors and data-driven servicing to ensure high standards of cleanliness and accessibility. Their tech-enabled, solar-powered units are designed for rapid deployment in urban areas, parks, and transit hubs.
Founded in 2019, Terabase Energy is a solar technology company whose mission is to reduce the cost and increase the scalability of solar by building an interconnected digital and automation platform for the development, construction, and operations of utility-scale PV power plants.
Power Factors develops software that accelerates the global energy transition by empowering owners and operators of renewable energy to collaborate, automate critical workflows, and make the best decisions to maximize asset returns.
First Solar is a leading American solar technology company and global provider of responsibly produced eco-efficient solar modules advancing the fight against climate change. Developed at R&D labs in California and Ohio, the company’s advanced thin film photovoltaic (PV) modules represent the next generation of solar technologies, providing a competitive, high-performance, lower-carbon alternative to conventional crystalline silicon PV panels. From...
First Solar's Top Stability & Growth Strengths
Strong Market Position & Advantage: The company is the dominant producer of CdTe thin‑film modules and the largest PV manufacturer in the Western Hemisphere, anchoring leadership in U.S. utility‑scale supply. Multi‑gigawatt U.S. capacity build‑outs and a contracted backlog around 50 GW reinforce this advantage.
Strong Revenue Growth: Net sales increased from about $4.2 billion in 2024 to about $5.2 billion in 2025 alongside record volumes sold near 17.5 GW. Disclosures attribute the rise to higher module volumes and ramping domestic manufacturing.
Profitability: Diluted EPS reached $14.21 in 2025 and 2026 guidance calls for adjusted EBITDA of $2.6–$2.8 billion, supported by Section 45X manufacturing credits. Management highlights strong margins and cash, aided by U.S. policy incentives.
Anza is a revolutionary platform that empowers solar and energy storage equipment buyers and developers to use advanced data and technology to see more options, reduce risk, increase project profits, and save massive amounts of time. Anza enables clients to spend more time creating value and less time chasing down data and using manual tools. They can access real-time pricing...
We believe clean energy and backup storage should be accessible to everybody. That’s why SunPower designs all-in-one residential solar and storage solutions backed by personal customer service and the industry’s most comprehensive warranty. And with more than 35 years of dedicated solar experience, we’re the only U.S.-based solar company that’s been around longer than our 25-year warranty.
Charge Robotics is building robots that automate the most labor-intensive parts of solar construction. Solar has rapidly become the cheapest form of power generation in many regions, and demand is skyrocketing — one fifth of all the solar in the US today was installed last year! — but today's construction companies can't keep up due to specialized labor shortages. Our robots...
Tigo is the worldwide leader in flexible module level power electronics (MLPE) with innovative solutions that significantly enhance safety, increase energy production, and decrease operating costs of photovoltaic (PV) systems. Tigo’s TS4 platform maximizes the benefit of PV systems and provides customers with the most scalable, versatile, and reliable MLPE solution available. Tigo was founded in Silicon Valley in 2007...
Edelman Heating, Cooling, Plumbing, Electric & Solar is a family-owned business that has provided high-quality HVAC, plumbing, electrical, and solar solutions to homes and businesses across Illinois and Wisconsin for over 20 years. Specializing in installation, repair, and maintenance, they employ NATE-certified technicians and are committed to 100% customer satisfaction, ensuring reliable home comfort services for their residential and commercial...
ADT Solar, one of the leading providers of residential solar in the United States, brings peace of mind to homes and sustainability to our planet.
Atmos Financial is a climate-focused financial technology company and marketplace that connects homeowners, solar installers, and lenders to accelerate clean energy adoption. It provides financing for solar loans, battery storage, heat pumps, and EV chargers, while offering bank accounts where 100% of deposits are allocated to climate-positive infrastructure to support a transition to a clean economy.
Enphase Energy is a global energy technology company and the world’s leading supplier of microinverter-based solar and battery systems. We are advancing a sustainable future for all!
Since 2012, Enpower Greentech has pioneered advanced battery breakthroughs. Our early work spanned solar installations using energy storage (both lithium-ion and sodium-ion batteries) for residential, commercial, and industrial applications in Asia, Europe and the United States of America. Today we produce record breaking energy dense batteries using our lithium metal anodes and proprietary battery chemistries. From manufacturing and technical centers in...
Powerline develops AI systems for monitoring and operation of energy assets, enhancing the performance in power markets and reducing emissions.
d.light makes reliable, affordable solar energy accessible to low-income families and underserved communities worldwide. The company designs, manufactures, and distributes solar home systems, lanterns, inverters, appliances, and smartphones, supported by flexible PayGo financing. Its products provide clean, dependable power for homes, businesses, and health facilities, helping improve education, health outcomes, safety, and economic opportunity in off-grid and underserved areas.
Recurrent Energy is a leading utility-scale solar and energy storage project developer, delivering competitive, clean electricity to large energy buyers. Based in the U.S., Recurrent Energy is a wholly owned subsidiary of Canadian Solar Inc. and functions as Canadian Solar’s U.S. project development arm. Recurrent Energy has approximately 5 GW of solar and storage projects in development in the U.S.
GRID Alternatives is a national nonprofit dedicated to advancing economic and environmental justice by providing underserved communities with access to affordable solar power, clean mobility, and energy storage. They focus on reducing energy costs for low-income households and creating pathways to sustainable careers through comprehensive workforce development and job training in the renewable energy sector.
Pentagon Technologies Group, Inc. is a leading provider of mission-critical manufacturing support services, contamination detection, and protection products for the semiconductor, pharmaceutical, microelectronic, and solar industries. The company offers proprietary services and products designed to improve the utilization, efficiency, and life cycle of complex manufacturing equipment used in high-technology fabrication, focusing on defect reduction and the maintenance of critically clean...
As a record-breaking, unrivaled technology leader, 8minute Solar Energy (8minute) is championing the clean energy transition in the United States and shaping the future of energy through its next generation of smart solar power plants. Since its founding in 2009, 8minute has successfully put 2 GW of solar projects in operation and currently has over 18 GW of solar and...
































