Top California Energy Startups (208)

We empower scientists to reinvent the world by bringing their research to market. Founded in 2015, Activate is a 501(c)3 nonprofit organization that empowers scientists to reinvent the world by bringing their research to market to address climate change and other global challenges. Activate works between government and the private sector, transforming scientists into high-impact entrepreneurs through a fellowship that guides them...

We connect home electricity rate data with EV battery metrics to show you the cost of every charge. Securely login to your EV's app, automatically find your electric utility costs using your home address and see your EV's impact on your electric bill. We also get rid of range anxiety with charge forecasting, and use home electricity rates and real-time gas...

Utilities and energy technology providers rely on our analytics solutions to tell people exactly what they can expect to pay when making clean energy decisions, like changing to a time-of-use rate plan, buying an electric vehicle, installing solar and more. The result is less strain on the electric grid, happier customers and increased consumer investment in sustainable technologies. Working at...

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...

Sunworks, Inc. (NASDAQ: SUNW) is a premier provider of high performance solar power systems. We are committed to quality business practices that exceed industry standards and uphold our ideals of ethics and safety. Sunworks continues to grow its presence, expanding nationally with regional and local offices. We strive to consistently deliver high quality, performance oriented solutions for customers in a...

Galvanize Climate Solutions (“Galvanize”) is a global investment firm focused on generating long-term value from the energy transition. Founded in 2021 by Katie Hall and Tom Steyer, and led by co-executive chairs Hall, Steyer, and Secretary John Kerry – Galvanize invests across asset classes including venture capital and growth equity, public equities, and real estate, to accelerate commercially competitive solutions,...

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.

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...

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...

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.

Luminus is a vertically integrated, fast-growing high-tech company that engages in high-power Light-Emitting-Diode (LED) solid-state lighting, lasers, and SiC power semiconductors for a variety of application areas, including industrial UV, IR, medical, projection displays, high-end illumination lighting, horticulture lighting, grid energy storage, EV and automotive industries. Luminus is at the forefront of the ongoing solid-state lighting revolution and SiC power...

Anthro is reimagining the future of energy storage. We are an advanced materials company developing solutions to some of the biggest problems facing the battery-dependent electrified future. Spun out of Stanford University, we’ve created high-performance batteries with structural integrity and total safety. Today, our customers use our flexible batteries to create advanced wearable electronics and medical devices with unprecedented functionality....

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.

174 Power Global is heaquartered in Irvine, California. It is the leading solar energy company that is wholly owned by the Hanwha Energy Corporation. With deep expertise across the full spectrum of the project development cycle, 174 Power Global works closely with landowners, local communities, financial investors and other partners to build highly productive, utility scale solar power plants throughout...

InsulTech LLC designs and manufactures engineered solutions related to the management of thermal and acoustical energy. Utilizing a broad array of materials and design techniques, InsulTech is able to provide standard or customer specific solutions for thermal blankets, wraps, and shielding as well as acoustical treatments for a broad range of applications. These solutions are provided quickly and efficiently with...

Enervee is in the business of helping people and the planet. We’re a mission driven company here to help people choose affordable efficient products that reduce energy use, utility bills, and CO2 emissions at scale. Our solutions bring together the best in data science, behavioral science, digital product design, and marketing to make efficiency for all a reality.

New Energy Nexus (NEX) is the world's leading ecosystem of funds and accelerators supporting diverse clean energy entrepreneurs to thrive, from emerging tech through to clean energy distribution and adoption. New Energy Nexus builds ecosystems and runs programs that are locally tailored to support the specific needs of entrepreneurs in that region: providing accelerator services, capital, mentoring, skills, and networks...

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...

ZEROVA, a subsidiary of Phihong, emerged as a standalone company on September 1, 2022. Its primary objective is to specialize in the EV Charging Market. ZEROVA offers a comprehensive range of EV charging solutions for both commercial and passenger vehicles. Leveraging its robust research and development capabilities and extensive manufacturing expertise, ZEROVA develops high-quality hardware and software products tailored to...

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...