Top California Energy Startups (208)

Workflow management software for solar & energy contractors

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...

Aurora is creating a future of solar for all. We’re putting the power of data and technology into the hands of every solar professional to make solar adoption simple and predictable. Our cloud-based platform uses data, automation, and AI to streamline workflows and grow solar businesses faster. As a fast-growing Series D company, we’re disrupting the clean energy industry and...

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...

Orbital Sidekick’s vision is to lead the Energy Transition by building the most robust remote sensing and analytics capability in existence. OSK’s proprietary analytics platform and hyperspectral payload architecture provide persistent space-based monitoring solutions powered by Spectral Intelligence. This unique radiometric speciation and change detection capability enables unparalleled target monitoring services for both commercial and defense users on a global...

Founded in 2014, Generate builds, finances, owns and operates sustainable infrastructure to deliver affordable and reliable resource solutions for companies, governments, and communities. Generate is the one-stop shop offering technology and project developers pioneering the Infrastructure Revolution the tailored funding and support they need to get projects built. Generate partners with over 40 technology and project developers and owns and operates...

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...

We enable commercial buildings to generate income from clean energy. Join us! https://jobs.lever.co/lumenenergy

We’re on a mission to eliminate waste for good, starting with the food that ends up in landfills. Did you know that more than half of the food in landfills comes from home kitchens (ReFED)? And food in landfills turns into methane – which is 80x more potent than CO2 over a 20-year period (IPCC). At Mill, we’re working to...

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...

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 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...

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...

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.

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.

Emission free, always on. Oklo's reactors can convert used nuclear fuel into clean energy. Our fast reactors incorporate inherent safety features and can be fueled by recycled waste. Oklo made history with the first advanced reactor site use permit, winning access to recycled fuel, and submitting the first ever advanced reactor combined license application.

Founded in 2023, Critical Loop was born out of a mission to fix the electric grid. Today, we are making power more accessible and efficient by combining industry-leading, rapidly-deployable and scalable microgrids with advanced predictive software. We help customers operate at full capacity while lowering the cost of obtaining this power. Serving industries such as manufacturers, transportation hubs, data centers,...

Radiant is a clean energy startup building a nuclear microreactor. A climate-friendly alternative to diesel generators, Radiant's Kaleidos 1MW microreactor will be the world's first portable, zero-emissions power source that works anywhere. We plan to test our development reactor by 2026 and if successful, it will be the first new commercial reactor design to achieve a fueled test in over...

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

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...