Top California Energy Startups (210)

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....

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,...

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...

Pivotal Systems provides best-in-class smart flow monitoring and process control technology designed for the global semiconductor and high-tech industries. Pivotal’s portfolio includes its patented Gas Flow Controllers (GFC™) and Flow Ratio Controllers (FRC). At Pivotal Systems, we aim to enhance fab productivity and capital efficiency with our innovative solutions.

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...

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...

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

We create abundant and cheap gas out of thin air using atomic energy.

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...

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...

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...

SoftBank Group Chairman Masayoshi Son started SB Energy to deploy renewable energy at the scale required to combat climate change. Today, SB Energy is a leading Climate Infrastructure and Technology Platform headquartered in the San Francisco Bay Area and backed by SoftBank Group Corp and funds managed by the Infrastructure and Power strategy of Ares Management Corporation. SB Energy develops,...

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.

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.

Lunar Energy was founded to make energy cleaner, safer, and more reliable. We build products for home electrification to move the world towards 100% clean energy.

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...

Our legacy of leadership in next generation solar energy includes developing the nation’s largest solar cluster and the first plant to beat fossil fuel prices. Today, we are expanding the boundaries of existing technologies to build one of the largest portfolios of smart power plants with integrated storage, capable of providing 30 million people with low-cost, zero-emission energy – day...

Energy Vault is the creator of sustainable energy storage solutions designed to accelerate the transition to a carbon free, resilient power grid and transform the world’s approach to utility-scale energy storage. Energy Vault works to combat climate change by enabling clean and reliable electricity through innovative gravity and kinetic based energy storage technologies. Energy Vault combines innovative design, advanced materials...

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.

We're hiring!! Rondo is delivering the world's lowest cost zero-carbon industrial heat. The Rondo Heat Battery powers industrial processes with renewable electricity, cutting energy costs and eliminating emissions. We deliver complete solutions to large-scale industrial energy needs worldwide - both as major capital projects and on a Heat as a Service basis. The Rondo Heat Battery provides temperatures up to...