Top California Renewable Energy Startups (60)

The only energy and carbon management platform that helps companies report faster, lower operating expenses, and reduce emissions

Fuse is on a mission to accelerate the world's transition to fusion energy while safeguarding humankind. Since 2019, we've built 3 functioning and record-breaking pulsed power fusion machines, with dual applications: commercial power generation (long term), and supporting the US and Allies' national security through radiation effects testing capabilities (immediate term). TITAN, our latest machine, is the world's first high-power...

Fourier is working on making on-site Hydrogen universally accessible. Our breakthrough architecture enables highly modular and fully automated electrolyzers that scale to any size and optimize efficiency at all loads. We are on a mission to transition the global energy landscape towards a purely sustainable and emission free future.

Reflect Orbital is developing technology to sell sunlight to those who need it. We imagine a future where sunlight continues powering solar farms and providing lighting after the sun sets. We’re a small team of engineers who make progress by building things quickly and iteratively. Time is our greatest constraint. Join us.

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...

Improving global health and wellness by changing the way people interact with their environments.

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.

Ensurge is Energizing Innovation™ with ultrathin, flexible, and safe energy storage solutions for wearable devices, connected sensors, and beyond. Ensurge's innovative solid-state lithium battery (SSLB) technology is uniquely positioned to enable the production of powerful, lightweight, and cost-effective rechargeable batteries for diverse applications. The company’s state-of-the-art flexible electronics manufacturing facility, located in the heart of Silicon Valley, combines patented process...

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 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...

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...

Powerline develops AI systems for monitoring and operation of energy assets, enhancing the performance in power markets and reducing emissions.

Adapture Renewables is a solar project developer (and M&A shop), owner and operator. The company leverages its proven track record, deep domain expertise and comprehensive in-house development, EPC management, legal and project finance services to efficiently and effectively drive solar projects from origination to long-term operation, and at every stage in-between. Backed by KIRKBI, Adapture Renewables has the financial footing...

Universal Energy Solutions is a dynamic network of independent sales offices that specializes in providing tailored solutions to energy companies. Established with the vision to revolutionize the energy sector, our network brings together a diverse range of sales professionals dedicated to driving growth and innovation in the industry.

Piq Energy helps renewable and load developers connect to the grid faster. Piq automates the detailed technical analysis required to site, size, and interconnect large scale infrastructure like solar + storage projects and datacenters.

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.

Our FEOC-compliant US domestic content/locally manufactured BESS offerings enable our clients to maximize ITC eligibility and overall return on investment. We support our partners throughout the entire project cycle, ensuring seamless, trouble-free, and timely implementation. We add value in driving successful project completion and ongoing management of your valuable project assets for optimized operational performance and financial returns. Whatever your BESS project needs,...

Planted is redefining solar deployment by simplifying every step, from planning to power. By combining advanced software, high-density terrain-following arrays, and automated installation into one integrated platform, Planted has created a smarter way to develop and build utility-scale solar power plants. We’re expanding our team of ambitious, curious, and hands-on engineers and operators who want to accelerate the clean energy transition....

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.

Frontier Energy is a professional services firm that excels in market transformation. With a team of 170 talented people in eight offices across the U.S., Frontier Energy has decades of experience in program management, engineering, software, and customer engagement. We are committed to a single mission: To provide exceptional programs, services, and tools that encourage the intelligent use of energy. We...