Top California Energy Companies (303)

A global leader in applied safety science, UL Solutions transforms safety, security and sustainability challenges into opportunities for customers in more than 100 countries. UL Solutions delivers testing, inspection and certification services, together with software products and advisory offerings, that support our customers’ product innovation and business growth. The UL Certification Marks serve as a recognized symbol of trust in...

Riot’s (NASDAQ: RIOT) vision is to be the world’s most trusted platform for powering and building digital infrastructure. Riot’s mission is to empower the future of digital infrastructure by positively impacting the sectors, networks, and communities that we touch. We believe that the combination of an innovative spirit and strong community partnership allows the Company to achieve best-in-class execution and create...

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.

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...

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.

Energy. Environment. Economics. Three cornerstones that shape today’s transition to clean energy resources. E3 has operated at the nexus of energy, environment, and economics since its inception in 1989. We have long been a pioneer and thought leader on the topics key to the energy transition such as how to plan and operate highly renewable energy systems, what policies are...

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.

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.

We deliver energy for a better world. Through the combined strength of our assets in North America, we’re dedicated to building the energy systems of the future.

UpEnergy builds high-quality decarbonization projects that improve lives. We do this with support from partners who believe in a just energy transition in which low-income people are prioritized by climate finance. Our approach in everything we do centers on applying our expertise across climate finance, monitoring and evaluation, engineering, behavioral science, and local operational insights. This ensures we deliver projects...

Swift Solar is a U.S. company developing advanced solar technology that outperforms anything on the market today. Swift Solar is a spinout of Stanford, MIT, and the National Renewable Energy Laboratory. The team includes world-leading technologists with deep expertise in perovskite PV science, technology, and manufacturing. Swift Solar's technologies range from specialized solar cell architectures to advanced manufacturing techniques.

We are Sila—a next generation battery materials company dedicated to accelerating energy transformation for a more sustainable future. Our next-gen anode material is the first significant chemistry improvement to lithium-ion batteries to reach the market in 30 years. Our silicon anode material is a simple drop-in replacement to graphite and significantly boosts the energy density of lithium-ion batteries without compromising...

CIRCOR International is a global manufacturer specializing in highly engineered, complex, and severe environment products that serve long-term, high growth infrastructure markets, including oil and gas, power generation, industrial, and aerospace & defense. CIRCOR. Excellence in Flow Control.

Cement is responsible for about the same amount of greenhouse gas emissions as all of the cars on the road today worldwide. Cement has been widely considered one of the most difficult materials to decarbonize and has even been called out as the reason why we need point-source CCS. We have invented a way to make carbon-negative Portland cement that...

BaRupOn LLC, founded in 2014, is a vertically integrated American manufacturing and technology company operating across multiple industries. Over the past decade, BaRupOn has evolved into a diversified enterprise with capabilities in medical manufacturing, power generation, healthcare logistics, and advanced technologies. With a strong commitment to innovation, operational excellence, and public-sector collaboration, BaRupOn has built a proven track record of delivering...

About Clearway Energy Group Clearway Energy Group is leading the transition to a world powered by clean energy. Along with our public affiliate Clearway Energy, Inc., we own and operate 10 gigawatts of renewable and conventional energy assets across the country. As we develop a nationwide pipeline of new renewable energy projects for the future, Clearway’s 8 gigawatts of operating...

Kairos Power has a mission to enable the world’s transition to clean energy, with the ultimate goal of dramatically improving people’s quality of life while protecting the environment. We are an engineering company focused on the delivery of a clean, affordable and safe energy solution through the integrated design, licensing and demonstration of advanced reactor technology. Growing from a broad research effort...

Clean Energy pioneered renewable natural gas (RNG) as a vehicle fuel in the U.S. and we continue to be the largest provider of RNG for transportation. We have an extensive network of over 600 fueling stations across North America, and can deliver RNG to any station, public or private. RNG is the cleanest solution available today for heavy-duty trucks, transit...

Gridmatic is an AI-powered energy company focused on decarbonizing the grid by helping with the transition to clean energy. We utilize advanced AI to model and optimize energy supply, demand, and transactions. By leveraging these insights, we aim to increase the adoption of clean energy sources while enhancing the stability and efficiency of the US energy market

Tenergy Corporation is a total mobile power solution provider. Located in the heart of Silicon Valley in Northern California, Tenergy Corporation serves its vast customer base with its technical strength, innovative products, cost effective manufacturing, sophisticated quality control and knowledgeable customer service. We work closely with our clients in a wide spectrum of industries and for various application needs. With...