This article showcases our top picks for the best California based Energy companies. These startups and companies are taking a variety of approaches to innovating the 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 Energy Startups
Data sourced from Crunchbase and SemRush.
SunPower
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SunPower Corporation delivers high-performance solar electric systems worldwide for residential, commercial and utility-scale customers.
Turntide Technologies
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Turntide Technologies develops an electric motor system designed to drive down energy consumption.
QuantumScape
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QuantumScape is a renewable energy company that develops solid-state battery technology to increase the range of electric cars.
Bidgely
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Bidgely leverages the power of AI to optimize utility customer engagement and is the choice of leading utilities
EcoFlow
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EcoFlow designs, develops and manufactures eco-friendly and affordable portable power stations for personal and professional use.
Romeo Power
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Romeo Power is a battery technology company that creates energy-dense battery packs.
Beyond Limits
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Beyond Limits is an industrial and enterprise-grade AI technology company that focuses on energy, utilities and healthcare.
Ample
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Ample utilizes autonomous robotics and smart-battery technology to solve the energy delivery challenge for electric transportation.
EnerVenue
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EnerVenue provides metal-hydrogen batteries for large-scale renewable and storage applications.
Sunrun
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Sunrun provides residential solar electricity and solar power services for homeowners.
Bloom Energy
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Bloom Energy offers on-site power generation systems that can use a wide variety of inputs to generate electricity.
Calysta
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Calysta Energy develops a new biological gas-to-liquids™ (BioGTL™) and biological gas-to-chemicals (BioGTC™) technology using natural gas.
Autogrid
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AutoGrid Systems organizes energy data and employs big data analytics to generate real-time predictions that create actionable data.
TAE Technologies
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TAE Technologies is leveraging proprietary science and engineering to tackle the world’s biggest challenges.
Enovix
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Enovix develops 3D wave array energy storage architecture for Lithium based cells, to improve manageability of the stored energy.
Enphase Energy
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Enphase Energy offers a micro-inverter system that delivers solar energy to homes and businesses.
Voltus
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Voltus provides cash-generating energy products to commercial, institutional, and industrial customers.
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.
Redaptive
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Redaptive is an Efficiency-as-a-Service tool for commercial and industrial customers.
Swell Energy
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Swell is a California-based residential energy storage developer and aggregator.
Kevala
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Kevala provides data-driven insights for an evolving energy market by combining proprietary analytics with advanced grid mapping.
Dividend Finance
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Dividend Finance is a Technology-enabled finance platform supporting the energy transition with lending and other financial solutions.
Mainspring Energy
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Mainspring Energy is engineering advanced technology to revolutionize the way electricity is generated and delivered
SHYFT Power Solutions
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SHYFT Power Solutions builds IoT and Integrated Software to connect and intelligently manage distributed energy resources
Enevate
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Enevate is a rechargeable energy storage technology company delivering innovative battery capacity in Li-ion ecosystem.
Ohmconnect
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Our electricity grid operates under the antiquated assumption that the only thing that can change is turning on and off power plants.
Universal Hydrogen
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Universal Hydrogen is the company fueling carbon-free flight by making hydrogen-powered commercial flight a near-term reality.
Powur
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Powur, a technology company, enables direct sellers to participate in the residential shift from dirty to clean energy.
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.
AeroVironment
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AeroVironment designs, develops, produces, and supports a portfolio of unmanned aircraft systems supplied to organizations.
Motiv Power Systems
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Motiv is an energy technology company that delivers all-electric chassis and turnkey energy systems.
3Degrees
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3Degrees is a provider of carbon offset and renewable energy services and solutions.
Tigo Energy
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Tigo Energy provides smart module technology for the solar industry.
Inspire
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Consumer technology platform that powers cleaner, more efficient, and more sustainable homes.
BRIGHT
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BRIGHT enables the developing world with cleaner and more affordable energy.
Ubiquitous Energy
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Ubiquitous Energy makes transparent solar technology for windows, electronics, and other applications.
d.light design
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d.light is an international social enterprise that serves people without access to reliable electricity.
Ygrene Energy Fund
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Provides Property Assessed Clean Energy (PACE) financing through cities and counties for upgrades to commercial and residential properties.
Kairos Aerospace
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Kairos Aerospace combines innovative aerospace systems with advanced data science to solve pressing global problems
Sunfolding
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Sunfolding develops new approaches to solar tracking for commercial and utility systems.
Voltaiq
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Voltaiq develops a software solution that is able to predict the performance of batteries and battery-powered systems.
General Atomics
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General Atomics develops technology solutions for defense, energy, and transportation applications worldwide.
Terabase Energy
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Terabase Energy is a web-based tool that reduces cost and deployment timelines by digitalizing the solar power plant.
POWER.GLOBAL
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POWER.GLOBAL is bringing affordable clean energy electric vehicle technology to low income markets
8minute Solar Energy
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8minute Solar Energy is the nation’s largest independent developer of solar PV and energy storage projects.
Myst AI
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Myst AI is a developer of the AI-based data analysis platform intended for electricity demand and supply forecasting.
Angaza
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Angaza provides a technology that enables businesses to provide affordable life-changing products to people in emerging markets.
Natel Energy
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Natel Energy is a supplier of sustainable hydropower solutions that produce reliable renewable energy.
Leap
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Leap is a marketplace for Distributed Energy Resources to participate in the energy market.
Nanotech Energy
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Nanotech Energy is a supplier of graphene, graphene oxide, and graphene supper batteries.
GridX
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GridX is a provider of cloud-based business operations support tools to utilities and energy suppliers.
Transphorm
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Transphorm is a producer of gallium nitride-based solutions for high-voltage power conversion applications.
Sunverge Energy
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Sunverge Energy provides integrated solar solutions for distributed generation and storage.
Nodle.io
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Nodle offers low cost and low energy connectivity service for the Internet of things using smartphones as a base station.
Fervo Energy
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Fervo Energy is a developer of proprietary clean energy technology to generate power from enhanced geothermal systems.
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.
Enview
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Enview is a 3D geospatial analytics company providing automated data analytics to the energy industry and government agencies.
Nitricity
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Nitricity is an energy company that creates renewable on-site nitrogen fertilizer production with zero carbon emissions.
Swift Solar
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Swift Solar designs and manufactures lightweight, flexible solar panels that are more efficient than conventional panels.
Sungevity
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Sungevity develops remote solar designs and installation services for home solar electric systems.
Eta Compute
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Eta Compute creates energy-efficient AI endpoint solutions that enable sensing devices to make autonomous decisions.
Achates Power
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Achates Power specializes in the fields of combustion engine development, clean diesel, and 2-stroke oil control management.
C-Zero
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C-Zero is unlocking the zero-emission energy embedded in natural gas
Sentient Energy
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Sentient Energy designs and builds the MM2 line monitor for use by electric utilities worldwide.
Electriphi
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Electriphi simplifies electrification planning and operations for commercial vehicle fleets.
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
Wildcat Discovery Technologies
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Wildcat Discovery Technologies is a developer of materials for the use in batteries.
Chevron
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Chevron is an integrated energy and technology company with subsidiaries that conduct businesses under Chevron, Texaco and Caltex brands.
Distributed Solar Development
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Distributed Solar Development is a solar energy management company.
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.
Sierra Energy
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Sierra Energy is a technology that turns trash into energy without burning.
BuildingIQ
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BuildingIQ, an energy management software platform, forecasts energy demand and adjusts buildings’ HVAC settings to optimize energy use.
Flux Power
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Flux Power designs, manufactures, supplies, and supports lithium battery packs for industrial and material handling equipment industries.
Gridware
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Creating a future where suburban wildfires are a thing of the past.
Station A
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Station A is a clean-tech company that offers an AI-powered clean energy marketplace.
Cellink
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CelLink is an early-stage hardware startup that is developing a flexible conductive backplane for power electronics.
Powerhive
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Powerhive unlocks productive, clean electricity for millions of households and businesses in emerging markets.
Lumen Energy
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Lumen Energy focuses on helping building owners save money with clean energy.
Sighten
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Sighten develops a software toolset to manage the complexity of distributed solar.
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.
kWh Analytics
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kWh Analytics provides solar asset data and portfolio analytics for the solar industry.
Imprint Energy
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Imprint Energy is commercializing a breakthrough low cost, flexible, rechargeable battery technology that would change portable power.
Ampaire
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Ampaire is making flying accessible to more people by building electric aircraft that are greener, quieter, and less costly to operate.
Clean Power Finance
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Clean Power Finance offers an online B2B marketplace that connects the solar industry with financing opportunities and solar sales software.
Heliogen
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Heliogen is a renewable energy technology company unlocking the power of sunlight to replace fossil fuels.
Virtual Power Systems
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Virtual Power Systems provides an Intelligent Control of Energy (ICE) platform that unlocks stranded power capacity in data centers.
Electriq Power
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Electriq Power is a provider of smart home battery storage solution for homes and small businesses.
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.
King Energy
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King Energy is a next-generation energy company bringing solar power to multi-tenant commercial properties.
GreenFire Energy
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GreenFire Energy develops and deploys innovative technology to unlock the world’s largest source of continuous renewable energy.
Rhombus Energy Solutions
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Rhombus Energy Solutions develops and manufactures advanced, high-efficiency power conversion and energy management systems.
BridgeLux
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Bridgelux develops eco-friendly light emitting diodes that reduce energy consumption.
WATTS BATTERY
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Simplifying renewable energy with portable lego-like power system with virtual battery platform
Better Earth
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Better Earth aims to create a more sustainable and better Earth through solar energy.
Alphabet Energy
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Alphabet Energy commercializes a waste heat recovery technology that enables customers to generate electrical power.
esVolta
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esVolta is a developer, owner and operator of utility-scale energy storage projects.
FortiFi
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FortiFi offers 100% financing to PACE approved, energy efficient upgrades to your home or commercial building.
Complete Solar
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Complete Solar Solution offers a wide range of solar products and financing programs to help consumers reduce their electricity bills.
PingThings
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PingThings is a venture-backed software company, brings best-of-breed big-data software and data science techniques to the utility industry.
Enact Systems
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ENACT SYSTEMS provides a single business platform for solar project management, design, financing, installation, and asset management.