Top California Renewable Energy Startups (60)
Amprius is a leading Lithium-Ion battery developer. Amprius's silicon technology was originally developed at Stanford University and enables dramatic improvements in the energy density and specific energy of Lithium-Ion batteries. Amprius is backed by some of the world’s leading investors, including Trident Capital, VantagePoint Venture Partners, IPV Capital, Kleiner Perkins Caufield & Byers, and Dr. Eric Schmidt.
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.
Partnering across the energy landscape to make it easy for customers to save energy and money at home, transforming how we power the world
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.
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.
Blumen is a one stop software for renewables, energy, grid, and data center project development. Turn project files into permitting intelligence and engineering documents in minutes. Slash consulting costs, avoid critical risks, and prevent rework caused by regulatory complexity.
Los Angeles Cleantech Incubator (LACI) is creating an inclusive green economy for the people of Los Angeles by unlocking innovation by working with startups to accelerate the commercialization of clean technologies, transforming markets through partnerships with policymakers, innovators, and market leaders in transportation, energy and sustainable cities, and enhancing communities through workforce development, pilots, and other programs. Founded as an...
Deep Isolation offers an innovative solution to secure and dispose of spent nuclear fuel from commercial nuclear reactors. Our horizontal drill hole technology offers both safety and low cost. While the drilling technology is standard, Deep Isolation is the first company proposing to use this method for the safe isolation of spent nuclear fuel under a billion tons of rock...
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.
Powerline develops AI systems for monitoring and operation of energy assets, enhancing the performance in power markets and reducing emissions.
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...
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.
Terra's AI platform models and optimizes complex projects across mineral exploration & natural resource projects. Terra enables faster designs, reduced capital costs, and improved energy/resource output for large-scale developments.
The only energy and carbon management platform that helps companies report faster, lower operating expenses, and reduce emissions
BoxPower provides clean, reliable, and affordable energy to rural consumers. Our ecosystem of software and hardware solutions optimize the performance and accelerate the deployment of solar plus storage microgrids. From energy audit to operation, BoxPower provides turnkey engineering, construction, and management services.
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.
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...
We're building fuel processing technology to make fusion power plants robust, practical and widespread.
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.

































