Top California Renewable Energy Startups (65)

Aether’s mission is to build a future of abundance for the human race. We believe that the machinery of nature can be reverse engineered to manufacture any arrangement of atoms desired, enabling the production of new products anywhere on earth.

Modus Group story began in 1993 in Lithuania. During more than 30 years, the company has grown to a successful international business currently operating in 12 European markets. We mainly focus on four areas: renewable energy (Green Genius), mobility services (CityBee, MyBee, and Mobility Fleet Solutions), the auto business (with 16 well-known brands, including Porsche, Bentley, Fiat, Jeep, Maserati, etc.)...

We are a green environmental testing and consulting firm, dedicated to providing the highest level of customer service available in the industry. Contact our office at (858) 433-3290 or email us at [email protected] to schedule testing!

Soligent Distribution, a subsidiary of Soligent Holdings Inc., is the largest solar distributor in the Americas, supplying thousands of solar installers and contractors with solar energy equipment, engineering services and project financing solutions. Soligent has been a pioneer in the solar industry since 1979 and continues to drive the market forward with innovative solutions ranging from materials management to project...

Partnering across the energy landscape to make it easy for customers to save energy and money at home, transforming how we power the world

Focused Energy is the leading laser-driven fusion company pursuing the most promising path to clean, limitless fusion power. The global company, based in the San Francisco Bay Area and Darmstadt, Germany, has brought together the top scientific and engineering minds using proven technologies to unlock fusion power at commercial scale. Focused Energy is working to unleash the next chapter of...

BlueSky Utility is a leading distributed-generation solar and energy storage developer and independent power producer (IPP). We collaborate with landlords to optimize the value of their asset portfolios and drive down energy expenses through innovative solar and storage solutions.

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.

Inertia is taking the most direct, scientifically-proven path to commercializing fusion, leveraging the only successful achievement of fusion ignition, using a process that was pioneered at the U.S. Department of Energy’s (DOE) Lawrence Livermore National Laboratory (LLNL). With groundbreaking innovation, transformative technology, and multi-year investment, Inertia is committed to commercializing fusion energy in the next decade.

We develop, own, and operate energy infrastructure to contribute to the stable and sustainable energy supply in the US and globally. Moreover, by boosting renewable and future energy development and innovation, we aim to be a responsible and reliable energy player in the upcoming low-carbon society.

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...

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.

Energy demand across industries is accelerating at an unprecedented pace, and the need for more deployable, efficient, resilient, and scalable infrastructure has never been more critical. The sustainable energy transition alone demands a 3-5x increase in global electricity generation and consumption. Heron Power is building cutting-edge power electronics for the 21st-century grid. We aim to debottleneck the growth of electricity...

New Leaf Energy is one of the leading developers of renewable energy and energy storage projects in the United States—both distributed generation and utility scale. Headquartered in Lowell, MA, with employees and projects spanning the country, New Leaf Energy was formed in 2022 out of Borrego’s market-leading solar and energy storage development business, which extends back to 1980. At New Leaf...

Flipturn is the unified control center for EV charging operations—built for both fleets and businesses. Whether you're managing a private depot or a public charging site, Flipturn helps you stay online, cut costs, and keep EV operations running smoothly. Monitor energy usage, manage access, streamline payments, and unlock insights across your chargers and vehicles—all in one place. Interested in learning more? Let’s...

Baya Systems is driving the next wave of foundational chiplet-based, high-performance, and modular semiconductor systems, with a focus on best-in-class on-chip fabric and communication technologies. By enabling seamless interoperability across a diverse array of industry-standard protocols, Baya Systems empowers best-of-breed compute, communication, and I/O solutions to work together. This approach enhances performance, yield, reusability, composability, development time and cost-efficiency. Named...

Hanwha Energy USA Holdings Corporation, previously doing business as 174 Power Global, is headquartered in Houston, Texas and is a leading solar energy company wholly owned by Hanwha Energy Corporation. With deep expertise across the solar and battery energy storage system (BESS) development cycle, Hanwha Energy USA partners with landowners, local communities, financial investors, and other stakeholders to build highly...

Focused on sustainability and innovation, esVolta develops, owns, and operates reliable utility-scale energy storage assets across the entire lifecycle - delivering value for utilities, energy users, and investors.

At TransGrid Energy we specialize in developing, owning, and operating utility-scale energy storage and PV projects, fundamental to establishing a resilient and sustainable energy grid.

Loop is one of the top EV charging network in the U.S., delivering smart, reliable charging solutions for multifamily, retail, office, hospitality, and municipal properties. With over 7,800 chargers deployed, we make it easy to future-proof your site and boost revenue with seamless EV infrastructure.