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101 Most Innovative California Based Renewable Energy Companies & Startups

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This article showcases our top picks for the best California based Renewable Energy companies. These startups and companies are taking a variety of approaches to innovating the Renewable Energy industry, but are all exceptional companies well worth a follow.

We tried to pick companies across the size spectrum from cutting edge startups to established brands.

We selected these startups and companies for exceptional performance in one of these categories:

  • Innovation
    • Innovative ideas
    • Innovative route to market
    • Innovative product
  • Growth
    • Exceptional growth
    • Exceptional growth strategy
  • Management
  • Societal impact

Top California Renewable Energy Startups

Data sourced from Crunchbase and SemRush.

Amyris

Amyris

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Amyris Biotechnologies specializes in creating renewable products focusing on fuels and chemicals.

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Generate Capital

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Generate Capital builds, owns, and operates sustainable infrastructure to deliver affordable and reliable resource solutions.

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SunPower

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SunPower Corporation delivers high-performance solar electric systems worldwide for residential, commercial and utility-scale customers.

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Sunrun

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Sunrun provides residential solar electricity and solar power services for homeowners.

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Enphase Energy

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Enphase Energy offers a micro-inverter system that delivers solar energy to homes and businesses.

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GoodLeap LLC

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GoodLeap is a point-of-sale platform for sustainable home solutions.

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Aurora Solar

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Aurora Solar is a SaaS company that uses aerial imagery to assess solar installation projects.

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Amply Power

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Amply Power provides commercial fleet operations a charging-as-a-service approach to help fleets transaction to electric vehicles.

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Autogrid

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AutoGrid Systems organizes energy data and employs big data analytics to generate real-time predictions that create actionable data.

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Mitra Chem

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Mitra Chem is the lithium-ion battery materials manufacturing company.

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Bidgely

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Bidgely leverages the power of AI to optimize utility customer engagement and is the choice of leading utilities

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Enovix

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Enovix develops 3D wave array energy storage architecture for Lithium based cells, to improve manageability of the stored energy.

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Span.IO

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Span.IO develops products to enable rapid adoption of renewable energy and deliver an intuitive interface for the home.

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FreeWire Technologies

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FreeWire Technologies is a provider of electric vehicle (EV) charging and power solutions.

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NCX (Formerly SilviaTerra)

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The Natural Capital Exchange enables corporations to support landowners and their forests through its forest carbon marketplace.

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Swell Energy

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Swell is a California-based residential energy storage developer and aggregator.

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MycoWorks

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MycoWorks is a biotech company that delivers commercially viable non-plastic and non-animal materials to the market.

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CleanSpark

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CleanSpark is the developer of a patented and revolutionary “stratified” downdraft gasifier.

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Redaptive

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Redaptive is an Efficiency-as-a-Service tool for commercial and industrial customers.

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TAE Technologies

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TAE Technologies is leveraging proprietary science and engineering to tackle the world’s biggest challenges.

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Patch

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Patch is building the infrastructure for a climate positive economy, starting with an API for carbon removal.

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EV Connect

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EV Connect provides enterprise-class, electric vehicle charging software and solutions.

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Newlight Technologies

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Newlight Technologies is a biotechnology company producing advanced sustainable materials.

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Dividend Finance

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Dividend Finance is a Technology-enabled finance platform supporting the energy transition with lending and other financial solutions.

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Leap

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Leap is a marketplace for Distributed Energy Resources to participate in the energy market.

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Genomatica

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Genomatica manufactures sustainable chemicals from renewable feedstocks.

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Transphorm

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Transphorm is a producer of gallium nitride-based solutions for high-voltage power conversion applications.

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Enevate

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Enevate is a rechargeable energy storage technology company delivering innovative battery capacity in Li-ion ecosystem.

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SHYFT Power Solutions

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SHYFT Power Solutions builds IoT and Integrated Software to connect and intelligently manage distributed energy resources

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Motiv Power Systems

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Motiv delivers medium-duty class 4-6 commercial electric trucks & buses; with charging infrastructure & guidance deploying CEV fleets.

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FirstElement Fuel

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Low temperature fuel cell and liquid fuel reformer technology

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d.light design

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d.light is an international social enterprise that serves people without access to reliable electricity.

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Natron Energy

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Natron Energy is an energy storage company that develops a high power, long cycle life, and low-cost battery technology.

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Carbon Capture

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Carbon Capture is a climate tech company that makes machines that remove CO2 directly from the atmosphere.

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QuantumScape

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QuantumScape is a renewable energy company that develops solid-state battery technology to increase the range of electric cars.

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EnerVenue

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EnerVenue provides metal-hydrogen batteries for large-scale renewable and storage applications.

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Ubiquitous Energy

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Ubiquitous Energy makes transparent solar technology for windows, electronics, and other applications.

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WeaveGrid

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WeaveGrid develops electrification software for the scalable deployment of electric vehicles on the electric grid.

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Heliogen

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Heliogen is a renewable energy technology company unlocking the power of sunlight to replace fossil fuels.

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8minute Solar Energy

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8minute Solar Energy is the nation’s largest independent developer of solar PV and energy storage projects.

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Aemetis

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Aemetis is an innovative green energy biofuel company.

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Solaria

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Solaria is a solar technology company that manufactures cells and modules for the optics and semiconductor industries.

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Kevala

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Kevala provides data-driven insights for an evolving energy market by combining proprietary analytics with advanced grid mapping.

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BRIGHT

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BRIGHT enables the developing world with cleaner and more affordable energy.

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Greenwork

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Greenwork helps government-funded training programs find jobs for their graduates.

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Nextracker

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NEXTracker offers a breakthrough in horizontal tracking, with lower costs, better performance, and more flexibility for solar power plants.

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Nanotech Energy

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Nanotech Energy is a supplier of graphene, graphene oxide, and graphene supper batteries.

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Pattern Energy Group

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Pattern is a premium independent power company. We own and operate eight wind power projects in the United States, Canada and Chile that

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Cypress Creek Renewables

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Cypress Creek Renewables is a national provider of local solar.

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Powur

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Powur, a technology company, enables direct sellers to participate in the residential shift from dirty to clean energy.

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Clean.Tech

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Revolutionizing Residential Solar via A.I.

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Sunfolding

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Sunfolding develops new approaches to solar tracking for commercial and utility systems.

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Plus Power

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Plus Power offers electric utilities that provide capacity, energy and ancillary services to energy industries.

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Nuvve

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Nuvve is accelerating the electrification of transportation through its proprietary vehicle-to-grid (V2G) technology.

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Fervo Energy

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Fervo Energy is a developer of proprietary clean energy technology to generate power from enhanced geothermal systems.

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Renew Financial

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Renew Financial is a provider of district legislation financing to assist in property assessed clean energy (PACE) improvement financing.

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Swift Solar

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Swift Solar designs and manufactures lightweight, flexible solar panels that are more efficient than conventional panels.

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3Degrees

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3Degrees is a provider of carbon offset and renewable energy services and solutions.

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Natel Energy

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Natel Energy is a supplier of sustainable hydropower solutions that produce reliable renewable energy.

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Tigo Energy

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Tigo Energy provides smart module technology for the solar industry.

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Radiant

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Radiant is developing the first portable, zero-emissions power source that works anywhere.

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EDF Renewable Energy

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EDF Renewable Energy, an independent power producer, engages in wind and solar project development, operations and maintenance services.

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Advanced Microgrid Solutions

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Advanced Microgrid Solutions installs advanced energy storage systems in buildings to lower energy costs for consumers and provide clean.

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Spruce Finance

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Spruce provides consumer financing for residential solar systems, water conservation upgrades and energy-efficient home improvements.

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Sunverge Energy

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Sunverge Energy provides integrated solar solutions for distributed generation and storage.

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kWh Analytics

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kWh Analytics provides solar asset data and portfolio analytics for the solar industry.

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C-Zero

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C-Zero is unlocking the zero-emission energy embedded in natural gas

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Maxwell Technologies

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Maxwell Technologies manufacturing and marketing energy storage and power delivery solutions for automotive.

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Holy Grail

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Holy Grail develops energy storage and battery technology that uses electrons to capture carbon dioxide from the atmosphere.

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Wexus Technologies

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IoT software company empowering the global food supply chain to adapt to climate change with renewable energy + water intelligence

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Sungevity

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Sungevity develops remote solar designs and installation services for home solar electric systems.

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Ceres

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Ceres is a biotechnology company that develops and markets low-carbon, non-food grasses for advanced biofuels and bio power.

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Fenix International

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Fenix International produces ultra-affordable mobile enabled solar solutions to empower more than 1.3 billion people living off-grid.

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Nitricity

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Nitricity is an energy company that creates renewable on-site nitrogen fertilizer production with zero carbon emissions.

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Moxion Power

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Moxion Power develops zero-emission generators and off-road equipment to support industries.

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Gridtential Energy

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Gridtential Energy develops an Absorbent Glass Mat battery that offers a lower-cost, safer, greener alternative to traditional lithium-ion.

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Deep Isolation

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Innovative startup with an equitable and environmentally protective solution for nuclear waste storage or disposal, a $500B untapped market.

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Next Energy Technologies

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Next Energy Technologies is a manufacturer of organic photovoltaic coatings used to transform windows into energy-producing assets.

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Rhombus Energy Solutions

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Rhombus Energy Solutions develops and manufactures advanced, high-efficiency power conversion and energy management systems.

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Electriq Power

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Electriq Power is a provider of smart home battery storage solution for homes and small businesses.

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Flux Power

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Flux Power designs, manufactures, supplies, and supports lithium battery packs for industrial and material handling equipment industries.

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Lumen Energy

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Lumen Energy focuses on helping building owners save money with clean energy.

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BrightSource Energy

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BrightSource Energy designs and builds utility-scale solar power plants to help companies lessen their dependency on fossil fuels.

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FortiFi

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FortiFi offers 100% financing to PACE approved, energy efficient upgrades to your home or commercial building.

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Capstone Turbine Corp

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Capstone Turbine Corporation® is the world’s leading producer of low-emission microturbine systems.

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Rayton Solar

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Rayton Solar utilizes a proprietary technology to manufacture solar panels 60% cheaper and 25% more efficient than the market standard.

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Sighten

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Sighten develops a software toolset to manage the complexity of distributed solar.

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Zenlabs Energy

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Zenlabs Energy has developed high energy density lithium ion batteries for ground and aerial electric vehicles.

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Biosynthetic Technologies

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Biosynthetic Technologies manufactures biobased synthetic molecules that are made from organic fatty acids found in plant oils.

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Soltec Trackers

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Soltec manufactures, supplies, and installs single-axis solar tracker equipment.

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Recargo

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Recargo is a e-mobility software company and one of the industry’s most utilized sources of driver-contributed EV industry data.

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SunHydrogen

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SunHydrogen is a developer of a breakthrough technology to produce renewable hydrogen.

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Chevron

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Chevron is an integrated energy and technology company with subsidiaries that conduct businesses under Chevron, Texaco and Caltex brands.

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Coreshell Technologies

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Coreshell Technologies is a nanotechnology company that is a developer of nanolayer coating technology for rechargeable batteries.

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Alphabet Energy

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Alphabet Energy commercializes a waste heat recovery technology that enables customers to generate electrical power.

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Currant

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Currant creates smart home products that enable people to control their homes and their energy bills.

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Better Earth

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Better Earth aims to create a more sustainable and better Earth through solar energy.

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King Energy

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King Energy is a next-generation energy company bringing solar power to multi-tenant commercial properties.

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WATTS BATTERY

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Simplifying renewable energy with portable lego-like power system with virtual battery platform

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H2U Technologies

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H2U Technologies is a clean-energy company developing a proprietary electrocatalyst discovery process for electrolyser.

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ReCarbon

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ReCarbon is an innovative technology platform that recycles carbon emissions into revenue generating byproducts.

Written by Mark Smith

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