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Top California Greentech Startups (111)

Clean Power Research
Cloud • Greentech • Software • Energy • Solar • Renewable Energy
2 Offices
111 Employees
48 Benefits Hiring Now
We create cloud software to power the transformation to renewable energy to achieve our vision of a clean-powered planet

Clean Power Research® is advancing the energy transformation through cloud software that informs, streamlines and values energy-related decisions and processes for utilities, energy professionals and consumers. We’re focused on expanding our market reach and impact with new software technologies that help solve the energy industry’s problems. Recognized by BuiltIn Seattle as "Top 100 Best Places to Work in Seattle” and...

Clean Power Research
Nitricity
Greentech • Chemical
San Francisco, California, USA
30 Employees
Hiring Now

Electrified Climate-Smart Fertilizer

Nitricity
Lunar Energy
Greentech • Energy
San Mateo, California, USA
82 Employees
Hiring Now

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.

Lunar Energy
Reli. (shopreli.com)
eCommerce • Greentech • Manufacturing
Cerritos, California, USA
150 Employees
Hiring Now
eCommerce brand specializing in daily goods for businesses and consumers.

Reli. is a family-owned business built around strong values and a passion to serve our customers. Our drive stemmed from seeing a need for custom-tailored quality products at wholesale prices & quantities. We wanted to be able to put quality first and still be able to provide honest pricing. With our global and domestic operations, we have the freedom to center each and every decision around our valued...

Reli. (shopreli.com)
Ebb Carbon
Greentech
San Carlos, California, USA
16 Employees
Hiring Now

Ebb Carbon is pioneering a new method of carbon removal that uses electrochemistry to enhance the ocean’s natural ability to safely store CO2, while reducing ocean acidity. Our approach has the potential to be one of the most scalable, safe, and affordable ways to remove excess CO2 from our atmosphere.

Ebb Carbon
WeaveGrid
Automotive • Greentech • Machine Learning • Transportation • Energy
San Francisco, California, USA
82 Employees
27 Benefits Hiring Now
Innovating at the intersection of electric transportation and the grid

Our mission is to drive rapid decarbonization in global transport and power sectors by intelligently connecting electric vehicles to the grid.

WeaveGrid
ChargerHelp!
Greentech • Renewable Energy
Fully Remote, USA
10 Employees
An EV Charging Reliability Management Company

ChargerHelp! pioneers the future of EV charging with our innovative Reliability as a Service (RaaS) solution. Addressing core challenges in EVSE Operation & Maintenance (O&M), our data-driven approach maximizes charger uptime. Partnering with industry leaders and emphasizing community empowerment, we're committed to elevating EVSE infrastructure reliability. Let's redefine the future of EV charging together. 🚗⚡

ChargerHelp!
Sierra Energy
Greentech • Energy
Davis, California, USA
61 Employees

Sierra Energy is a technology that turns trash into energy without burning.

Sierra Energy
Panamax
Greentech • Energy
Petaluma, California, USA
44 Employees

Panamax and Furman have been international leaders in providing award-winning, innovative power management products for more than 35 years. Their power and energy management products give audio/video systems the pure, noise-free power they need for superlative performance, providing longevity to the connected components while protecting them from damage caused by power surges and lightning. Together — as part of Panamax...

Panamax
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Redaptive
Greentech • Energy
2 Offices
197 Employees
Hiring Now

Redaptive makes buildings more efficient one saved kilowatt hour at a time. We are breaking down the barriers to portfolio-wide energy efficiency deployments through our Efficiency-as-a-Service (EaaS) platform – empowering companies to optimize their real estate portfolios and save millions on their energy bills. Our EaaS platform builds the foundation for future investments in both resource efficiency and smart building...

Redaptive
Beam Global
Greentech
San Diego, California, USA
28 Employees

Beam Global a manufacturer of solar installations for parking facilities, produces clean energy and improves aesthetics of parking lots.

Beam Global
CarbonPlan
Greentech
San Francisco, California, USA
12 Employees

Improving the transparency and scientific integrity of carbon removal and climate solutions through open data and tools.

CarbonPlan
Radiant
Greentech • Hardware • Energy
El Segundo, California, USA
40 Employees
29 Benefits Hiring Now
The nuclear power people want.

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...

Radiant
Clean Energy Systems
Greentech • Energy
Rancho Cordova, California, USA
31 Employees

Deploying technology that makes 'Power without Pollution'​ a reality. Safe, reliable power that doesn't compromise the environment: It's been our mission since the beginning. Clean Energy Systems has successfully transitioned proven and reliable rocket engine combustion principles into a flexible and economically attractive energy generation system for our planet. CES technology enables cleaner and more efficient co-generation of power, steam, water, and...

Clean Energy Systems
Edyza Sensors Inc.
Costa Mesa, California, USA
5 Employees

Edyza is a neural computing and deep learning platform that runs industry specific apps on a network of smart sensors that are powered by ambient energy harvesting. Our mission is to extend Internet of Things (IoT) applications into areas once considered impossible due to power, energy and computing constraints.

Edyza Sensors Inc.
ChargeNet Stations
Automotive • Greentech • Software • Energy
San Diego, California, USA
36 Employees

SaaS, CleanTech, Electric Vehicle Supply Equipment, Distributed Energy Resources, Point-of-Sale, Grid Ancillary Services, Plant-based Foods

ChargeNet Stations
Origis Energy
Greentech • Energy
3 Offices
115 Employees
Hiring Now

Origis Energy is international solar development and construction firm

Origis Energy
Sensible Weather
Fintech • Greentech • Insurance • Software • Travel
Santa Monica, California, USA
33 Employees
30 Benefits See Our Teams
You shouldn't have to pay for bad weather.

Sensible Weather is a climate tech company. We work at the intersection of deep technology, science and experience design. Our company is built to help consumers and businesses understand, plan for, and mitigate climate and weather risk, from travel and events to homeownership and energy production. Sensible Weather's first product is the Weather Guarantee for consumers of travel. Said simply, you...

Sensible Weather
Matrix Sensors
Greentech
San Diego, California, USA
14 Employees

Matrix Sensors is a research and development company that specializes in environmental sensors for safe, healthy, fresh indoor spaces. Our first product is a smart environmental sensor that monitors carbon dioxide, temperature, and humidity that you can install and forget about for the life of the sensor... it just works.

Matrix Sensors
Hydrova
Greentech
Costa Mesa, California, USA
2 Employees

Hydrova is a climate tech startup based in Orange County, CA that is diverting waste from landfill while producing clean energy. In addition to winning grants from the EPA, MIT, and the 776 Foundation, Hydrova has raised funding from notable investors including 1517 Fund, 77, and Climate Capital. Hydrova’s innovative solutions help aluminum recyclers achieve their sustainability goals efficiently and...

Hydrova

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