Top California Energy Startups (208)
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...
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.
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...
InCharge Energy is on the frontlines of large-scale emissions reduction, accelerating the electrification of the transportation industry – one commercial fleet at a time. With end-to-end, turnkey solutions for commercial EV infrastructure projects, InCharge Energy equips fleet managers with the top brands in charging hardware and software; customized hardware and software products; short-, mid- and long-range plans for seamless fleet...
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.
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.
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....
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...
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...
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...
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.
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,...
Utilities use Camus’ grid orchestration software platform to anticipate and actively manage local grid constraints, make smarter infrastructure investments, and reliably serve growing electricity demand. Bridging world-leading distributed systems expertise from Google and Meta with deep power systems experience, Camus is empowering utilities to embrace the transition to a fully electrified, zero-carbon future. Learn more at www.camus.energy
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.
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,...
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'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...
We create abundant and cheap gas out of thin air using atomic energy.
Inertia is taking the most direct, scientifically-proven path to commercializing fusion, leveraging the only successful achievement of fusion ignition, using a process that was pioneered at the U.S. Department of Energy’s (DOE) Lawrence Livermore National Laboratory (LLNL). With groundbreaking innovation, transformative technology, and multi-year investment, Inertia is committed to commercializing fusion energy in the next decade.
