This article showcases our top picks for the best California based Solar companies. These startups and companies are taking a variety of approaches to innovating the Solar 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 Solar Startups
Data sourced from Crunchbase and SemRush.
Crunchbase Website Twitter Facebook Linkedin
Navitas Semiconductor develops a range of GaN power ICs for the power supply markets.
SunPower
Crunchbase Website Twitter Facebook Linkedin
SunPower Corporation delivers high-performance solar electric systems worldwide for residential, commercial and utility-scale customers.
EcoFlow
Crunchbase Website Twitter Facebook Linkedin
EcoFlow designs, develops and manufactures eco-friendly and affordable portable power stations for personal and professional use.
Aurora Solar
Crunchbase Website Twitter Facebook Linkedin
Aurora Solar is a SaaS company that uses aerial imagery to assess solar installation projects.
Sunrun
Crunchbase Website Twitter Facebook Linkedin
Sunrun provides residential solar electricity and solar power services for homeowners.
Enphase Energy
Crunchbase Website Twitter Facebook Linkedin
Enphase Energy offers a micro-inverter system that delivers solar energy to homes and businesses.
Leap
Crunchbase Website Twitter Facebook Linkedin
Leap is a marketplace for Distributed Energy Resources to participate in the energy market.
Carbon Lighthouse
Crunchbase Website Twitter Facebook Linkedin
Delivering easy building decarbonization for commercial real estate owners
d.light design
Crunchbase Website Twitter Facebook Linkedin
d.light is an international social enterprise that serves people without access to reliable electricity.
Generate Capital
Crunchbase Website Twitter Facebook Linkedin
Generate Capital builds, owns, and operates sustainable infrastructure to deliver affordable and reliable resource solutions.
Solaria
Crunchbase Website Twitter Facebook Linkedin
Solaria is a solar technology company that manufactures cells and modules for the optics and semiconductor industries.
EDF Renewable Energy
Crunchbase Website Twitter Facebook Linkedin
EDF Renewable Energy, an independent power producer, engages in wind and solar project development, operations and maintenance services.
Ubiquitous Energy
Crunchbase Website Twitter Facebook Linkedin
Ubiquitous Energy makes transparent solar technology for windows, electronics, and other applications.
Nextracker
Crunchbase Website Twitter Facebook Linkedin
NEXTracker offers a breakthrough in horizontal tracking, with lower costs, better performance, and more flexibility for solar power plants.
SenseHawk
Crunchbase Website Twitter Facebook Linkedin
SenseHawk is a SaaS platform that helps improve processes and saves cost in the development, construction, and operation of solar sites.
Angaza
Crunchbase Website Twitter Facebook Linkedin
Angaza provides a technology that enables businesses to provide affordable life-changing products to people in emerging markets.
Cypress Creek Renewables
Crunchbase Website Twitter Facebook Linkedin
Cypress Creek Renewables is a national provider of local solar.
Inspire
Crunchbase Website Twitter Facebook Linkedin
Consumer technology platform that powers cleaner, more efficient, and more sustainable homes.
BRIGHT
Crunchbase Website Twitter Facebook Linkedin
BRIGHT enables the developing world with cleaner and more affordable energy.
8minute Solar Energy
Crunchbase Website Twitter Facebook Linkedin
8minute Solar Energy is the nation’s largest independent developer of solar PV and energy storage projects.
Powur
Crunchbase Website Twitter Facebook Linkedin
Powur, a technology company, enables direct sellers to participate in the residential shift from dirty to clean energy.
Tigo Energy
Crunchbase Website Twitter Facebook Linkedin
Tigo Energy provides smart module technology for the solar industry.
Sunfolding
Crunchbase Website Twitter Facebook Linkedin
Sunfolding develops new approaches to solar tracking for commercial and utility systems.
Spruce Finance
Crunchbase Website Twitter Facebook Linkedin
Spruce provides consumer financing for residential solar systems, water conservation upgrades and energy-efficient home improvements.
Swift Solar
Crunchbase Website Twitter Facebook Linkedin
Swift Solar designs and manufactures lightweight, flexible solar panels that are more efficient than conventional panels.
Sunverge Energy
Crunchbase Website Twitter Facebook Linkedin
Sunverge Energy provides integrated solar solutions for distributed generation and storage.
Wexus Technologies
Crunchbase Website Twitter Facebook Linkedin
IoT software company empowering the global food supply chain to adapt to climate change with renewable energy + water intelligence
Sungevity
Crunchbase Website Twitter Facebook Linkedin
Sungevity develops remote solar designs and installation services for home solar electric systems.
Heliogen
Crunchbase Website Twitter Facebook Linkedin
Heliogen is a renewable energy technology company unlocking the power of sunlight to replace fossil fuels.
Distributed Solar Development
Crunchbase Website Twitter Facebook Linkedin
Distributed Solar Development is a solar energy management company.
Swiftmile
Crunchbase Website Twitter Facebook Linkedin
Swiftmile is a developer of light electric vehicle (LEV) charging systems.
C3Nano
Crunchbase Website Twitter Facebook Linkedin
C3Nano develops transparent conductive ink and films intended to enhance touchscreen and digital display experience.
Cellink
Crunchbase Website Twitter Facebook Linkedin
CelLink is an early-stage hardware startup that is developing a flexible conductive backplane for power electronics.
Fenix International
Crunchbase Website Twitter Facebook Linkedin
Fenix International produces ultra-affordable mobile enabled solar solutions to empower more than 1.3 billion people living off-grid.
Rayton Solar
Crunchbase Website Twitter Facebook Linkedin
Rayton Solar utilizes a proprietary technology to manufacture solar panels 60% cheaper and 25% more efficient than the market standard.
Powerhive
Crunchbase Website Twitter Facebook Linkedin
Powerhive unlocks productive, clean electricity for millions of households and businesses in emerging markets.
kWh Analytics
Crunchbase Website Twitter Facebook Linkedin
kWh Analytics provides solar asset data and portfolio analytics for the solar industry.
Sighten
Crunchbase Website Twitter Facebook Linkedin
Sighten develops a software toolset to manage the complexity of distributed solar.
Electriq Power
Crunchbase Website Twitter Facebook Linkedin
Electriq Power is a provider of smart home battery storage solution for homes and small businesses.
Better Earth
Crunchbase Website Twitter Facebook Linkedin
Better Earth aims to create a more sustainable and better Earth through solar energy.
BrightSource Energy
Crunchbase Website Twitter Facebook Linkedin
BrightSource Energy designs and builds utility-scale solar power plants to help companies lessen their dependency on fossil fuels.
Capstone Turbine Corp
Crunchbase Website Twitter Facebook Linkedin
Capstone Turbine Corporation® is the world’s leading producer of low-emission microturbine systems.
Terabase Energy
Crunchbase Website Twitter Facebook Linkedin
Terabase Energy is a web-based tool that reduces cost and deployment timelines by digitalizing the solar power plant.
Soltec Trackers
Crunchbase Website Twitter Facebook Linkedin
Soltec manufactures, supplies, and installs single-axis solar tracker equipment.
Mosaic
Crunchbase Website Twitter Facebook Linkedin
Mosaic is a residential solar lending platform that enables thousands of people to profit from the benefits of clean energy.
King Energy
Crunchbase Website Twitter Facebook Linkedin
King Energy is a next-generation energy company bringing solar power to multi-tenant commercial properties.
FortiFi
Crunchbase Website Twitter Facebook Linkedin
FortiFi offers 100% financing to PACE approved, energy efficient upgrades to your home or commercial building.
Humble Motors
Crunchbase Website Twitter Facebook Linkedin
Humble Motors is a tech company that invents solar-powered electric vehicles.
Enact Systems
Crunchbase Website Twitter Facebook Linkedin
ENACT SYSTEMS provides a single business platform for solar project management, design, financing, installation, and asset management.
Complete Solar
Crunchbase Website Twitter Facebook Linkedin
Complete Solar Solution offers a wide range of solar products and financing programs to help consumers reduce their electricity bills.
Borrego Solar Systems
Crunchbase Website Twitter Facebook Linkedin
Borrego Solar Systems develops commercial, residential and public sector turnkey, grid connected solar electric systems.
Sunworks USA
Crunchbase Website Twitter Facebook Linkedin
Sunworks, Inc. is a premier provider of high performance solar power systems.
SolarMax Technology
Crunchbase Website Twitter Facebook Linkedin
SolarMax Technology is a renewables & environment company that offers solar design and installation services.
eSolar
Crunchbase Website Twitter Facebook Linkedin
eSolar is focused on the development of concentrating solar power plant technology with fossil fuels.
ZON
Crunchbase Website Twitter Facebook Linkedin
Welcome to ZON, a technology solution company catering to the charging demands of mobile device consumers.
GlassPoint Solar
Crunchbase Website Twitter Facebook Linkedin
GlassPoint provides solar steam generators to the oil and gas industry for applications such as Enhanced Oil Recovery.
Pegasus Solar
Crunchbase Website Twitter Facebook Linkedin
Pegasus Solar designs innovative rooftop mounting systems for global solar markets.
Ultrasolar technology
Crunchbase Website Twitter Facebook Linkedin
Ultrasolar technology is a solar energy company that develops solar space systems.
BoxPower
Crunchbase Website Twitter Facebook Linkedin
BoxPower, designs and manufactures solar energy systems in a 20-foot shipping container.
Stion
Crunchbase Website Twitter Facebook Linkedin
Stion is a solar photovoltaics company developing high-efficiency thin-film modules with the reduced material.
UtilityAPI
Crunchbase Website Twitter Facebook Linkedin
UtilityAPI is a service that automatically collects utility bill and usage data from utility web portals.
Solar Junction
Crunchbase Website Twitter Facebook Linkedin
Solar Junction manufacturers III-V multi-junction solar cells based on A-SLAM™ materials for concentrated photovoltaic systems.
Light Polymers, Inc.
Crunchbase Website Twitter Facebook Linkedin
Our Optical Chemistry changes the $10B Polarizer Market
SunLink Corporation
Crunchbase Website Twitter Facebook Linkedin
SunLink delivers powerful solar energy solutions: tracker, fixed-tilt and roof-mount products; project services; & best-of-breed software.
MiaSolé
Crunchbase Website Twitter Facebook Linkedin
MiaSolé is a solar energy company developing and selling Copper Indium Gallium Selenide thin film photovoltaic panels.
Verengo Solar
Crunchbase Website Twitter Facebook Linkedin
Verengo Solar is a Southern California-based solar provider that builds the most trusted solar company in California.
CivicSolar
Crunchbase Website Twitter Facebook Linkedin
CivicSolar is an innovative solar distributor that offers a full selection of modules and balance-of-systems from manufacturers.
OneRoof Energy
Crunchbase Website Twitter Facebook Linkedin
OneRoof Energy provides solar energy generation systems, and solar roofing systems installation and support services.
Silicor Materials
Crunchbase Website Twitter Facebook Linkedin
Silicor Materials manufactures solar-grade silicon and aluminum products.
SolarGaps
Crunchbase Website Twitter Facebook Linkedin
SolarGaps is a smart blinds that generate electricity.
Beam Global
Crunchbase Website Twitter Facebook Linkedin
Beam Global a manufacturer of solar installations for parking facilities, produces clean energy and improves aesthetics of parking lots.
Sunworks
Crunchbase Website Twitter Facebook Linkedin
Sunworks develops a 3-dimensional solar cell technology to maximize the conversion of sunlight into electricity.
Amped Innovation
Crunchbase Website Twitter Facebook Linkedin
Amped Innovation designs breakthrough products for people living on less than four dollars per day.
Clean Power Research
Crunchbase Website Twitter Facebook Linkedin
Clean Power Research supports solar and other renewable energy systems and energy efficiency technologies.
SoloPower
Crunchbase Website Twitter Facebook Linkedin
SoloPower is a producer of thin-film photovoltaic cells and modules that help solar electricity generation.
YouSolar
Crunchbase Website Twitter Facebook Linkedin
YouSolar is a rooftop solar+battery systems are an answer to one of biggest problems : Energy.
NextGrid
Crunchbase Website Twitter Facebook Linkedin
NextGrid is a renewable energy company specializing in solar development, policy, and finance.
PVComplete
Crunchbase Website Twitter Facebook Linkedin
PVComplete is a developer and provider of a residential, commercial and utility solar design platform.
Element 16 Technologies
Crunchbase Website Twitter Facebook Linkedin
Improving industrial energy efficiency with thermal battery systems
Wivity Inc.
Crunchbase Website Twitter Facebook Linkedin
Distributed database that holds security-critial information on cyrptographic private keys. Standardized by the SunSpec Alliance.
Simusolar
Crunchbase Website Twitter Facebook Linkedin
Simusolar increases rural prosperity by selling and financing productive equipment to farmers and small businesses.
Vitriflex
Crunchbase Website Twitter Facebook Linkedin
Vitriflex develops gas barrier film solar technology for solar panels.
SolarReserve
Crunchbase Website Twitter Facebook Linkedin
SolarReserve, a venture-backed renewable energy company, focuses on advanced solar thermal storage technology.
BioSolar
Crunchbase Website Twitter Facebook Linkedin
BioSolar develops technology solutions that are able to produce bio-based materials from renewable plant sources.
ShadeCraft
Crunchbase Website Twitter Facebook Linkedin
Improving human life outdoors through robotic technology .
HelicitySpace
Crunchbase Website Twitter Facebook Linkedin
HelicitySpace develops critical propulsion and power technology necessary for enabling humanity’s expansion into the solar system.
Nevados
Crunchbase Website Twitter Facebook Linkedin
Nevados Engineering designs and manufactures solar ground installations.
Bloo Solar
Crunchbase Website Twitter Facebook Linkedin
Bloo Solar designs, develops and manufactures solar photovoltaic (PV) modules.
Recurrent Energy
Crunchbase Website Twitter Facebook Linkedin
Recurrent Energy provides distributed solar power that makes renewable energy a practical choice for large scale energy users.
REPOWER by Solar Universe
Crunchbase Website Twitter Facebook Linkedin
REPOWER is a residential & commercial solar aggregation company that is creating a marketplace of product offerings
PV Evolution Labs
Crunchbase Website Twitter Facebook Linkedin
PV Evolution Labs provides solar panel test and characterization services.
Tandem PV
Crunchbase Website Twitter Facebook Linkedin
Tandem PV provides a unique opportunity for solar to reach new heights.
Radian Generation
Crunchbase Website Twitter Facebook Linkedin
Radian Generation is an independent solar asset management and advisory firm.
Zep Solar
Crunchbase Website Twitter Facebook Linkedin
Zep Solar, Inc. is an innovative manufacturer of new-generation PV mounting technology based in San Rafael, CA .
QBotix
Crunchbase Website Twitter Facebook Linkedin
A solar panel that tracks the sun throughout the day produces up to 30% more electricity than one that does not.
Terrajoule
Crunchbase Website Twitter Facebook Linkedin
Terrajoule provides modular 2MW solar power stations with storage.
Alionyx Energy Systems
Crunchbase Website Twitter Facebook Linkedin
Alionyx Energy Systems operates in energy industry.
Solar Mosaic
Crunchbase Website Twitter Facebook Linkedin
Solar Mosaic engages in financing solar energy and modern home improvements.
Nanogrid
Crunchbase Website Twitter Facebook Linkedin
Nanogrid develops software to determine the value of solar, storage, and an electric vehicle for a homeowner.
Youpower
Crunchbase Website Twitter Facebook Linkedin
Youpower offers energy storage system intended to transfer the excess energy produced by rooftop panels to the energy storage battery.
