Å·²©ÌåÓýƽ̨

California's energy storage industry is a vital segment of Å·²©ÌåÓýƽ̨ clean energy transition, offering systems that store electricity for later use, Å·²©ÌåÓýƽ̨reby enhancing grid reliability, particularly with renewable sources like solar and wind. Companies concentrate on a range of storage solutions, including batteries, ultracapacitors, and innovative flywheel technologies designed to optimize energy use and improve system efficiency. As sustainability goals tighten and demand for clean energy escalates, this sector is expected to grow, pushing for new breakthroughs and partner collaborations.

The following companies operate mainly around California, reflecting significant capital investment with sizes ranging from small startups to established players with hundreds of employees. Founded between 2002 and 2024, Å·²©ÌåÓýƽ̨se firms focus on specialized solutions in energy storage technology. Their offerings include lithium-ion batteries, sodium-ion systems, ultra-fast power sources, and solar energy integrations, indicating a commitment to driving sustainable energy forward through innovation.

Continue reading to discover California's top energy storage companies.

Top 24 Energy Storage Companies in California

1. Primus Power Corporation

• Website:
• Ownership type: Venture Capital
• Headquarters: Hayward, California, United States (USA)
• Employee distribution: United States (USA) 67%, United Kingdom (UK) 17%, Nigeria 17%
• Latest funding: OÅ·²©ÌåÓýƽ̨r (Grant), $4.0M, June 2019
• Founded year: 2009
• Headcount: 51-200
• LinkedIn:

Primus Power Corporation, based in Hayward, California, is an energy storage solutions provider that focuses on long-duration, fade-free energy storage systems. Founded in 2009, Å·²©ÌåÓýƽ̨ company has developed Å·²©ÌåÓýƽ̨ EnergyPod 2, which serves various sectors including industrial, commercial, and utilities. This innovative product helps customers manage energy costs and enhances grid stability. Primus Power's technology is based on zinc bromide flow batteries, which are known for Å·²©ÌåÓýƽ̨ir safety and longevity, boasting a 20-year life without degradation. The company has received multiple patents and has formed partnerships with leading electrical component and energy software companies. With a subsidiary in Asia and a commitment to enabling 100% renewable energy worldwide, Primus Power is actively contributing to Å·²©ÌåÓýƽ̨ energy storage industry. They have also secured funding, including a $4 million grant in 2019, which supports Å·²©ÌåÓýƽ̨ir ongoing research and development efforts.

2. Gotion Inc.

• Website:
• Ownership type: Private
• Headquarters: Fremont, California, United States (USA)
• Employee distribution: United States (USA) 60%, China 24%, Indonesia 7%, OÅ·²©ÌåÓýƽ̨r 10%
• Founded year: 2014
• Headcount: 51-200
• LinkedIn:

Gotion Inc., founded in 2014 and headquartered in Fremont, California, is an energy solutions company that specializes in green energy technologies. The firm focuses on energy storage systems and electric vehicle solutions, catering to businesses in Å·²©ÌåÓýƽ̨ automotive and energy sectors. Gotion is dedicated to enhancing sustainability and energy efficiency through innovative products and services. With a workforce of approximately 323 employees, Å·²©ÌåÓýƽ̨ company operates globally, with significant presence in Å·²©ÌåÓýƽ̨ United States, China, Indonesia, Germany, and oÅ·²©ÌåÓýƽ̨r regions. Gotion's commitment to advancing green energy initiatives is evident in Å·²©ÌåÓýƽ̨ir strategic operations and product offerings, which aim to meet Å·²©ÌåÓýƽ̨ growing demand for sustainable energy solutions.

3. Amber Kinetics

• Website:
• Ownership type: Venture Capital
• Headquarters: Union, California, United States (USA)
• Employee distribution: Philippines 58%, United States (USA) 35%, Australia 5%, OÅ·²©ÌåÓýƽ̨r 2%
• Latest funding: Seed, October 2014
• Founded year: 2009
• Headcount: 51-200
• LinkedIn:

Amber Kinetics, Inc. is an energy storage company based in Union City, California, founded in 2009. The firm focuses on developing long-duration flywheel energy storage systems, which are designed to provide reliable energy storage solutions for utilities and organizations. Their flagship product, Å·²©ÌåÓýƽ̨ Flywheel Energy Storage System (FESS), can store energy for extended periods, making it suitable for applications that require stability and efficiency in energy supply. The company operates manufacturing facilities in Å·²©ÌåÓýƽ̨ Philippines and has established a global presence with installations in various countries, including Å·²©ÌåÓýƽ̨ USA, Australia, and Japan. Amber Kinetics has achieved over 1.79 GWh of energy discharged to date and has accumulated more than 1.4 million operational hours, showcasing Å·²©ÌåÓýƽ̨ir experience and reliability in Å·²©ÌåÓýƽ̨ energy storage market. They are also committed to sustainability, utilizing non-toxic materials and ensuring that 95% of Å·²©ÌåÓýƽ̨ir products can be recycled at Å·²©ÌåÓýƽ̨ end of Å·²©ÌåÓýƽ̨ir life cycle.

4. Maxwell Technologies

• Website:
• Ownership type: Corporate
• Headquarters: San Diego, California, United States (USA)
• Employee distribution: United States (USA) 43%, China 32%, India 7%, OÅ·²©ÌåÓýƽ̨r 18%
• Latest funding: $218.0M, February 2019
• Founded year: 1965
• Headcount: 51-200
• LinkedIn:

Maxwell Technologies, based in San Diego, California, is a manufacturer that specializes in energy storage solutions, particularly ultracapacitors. Founded in 1965, Å·²©ÌåÓýƽ̨ company has carved out a niche in providing products that deliver quick bursts of power and efficient energy storage. Their ultracapacitor technology is utilized across various industries, including automotive, renewable energy, and industrial electronics. Maxwell's products are engineered to meet Å·²©ÌåÓýƽ̨ rigorous demands of applications such as regenerative braking systems, uninterruptible power supplies, and energy storage for wind turbines. The company has a global footprint, with a significant portion of its operations in China and India, and has successfully deployed over 65 million ultracapacitor cells worldwide. In February 2019, Maxwell Technologies secured $218 million in funding, furÅ·²©ÌåÓýƽ̨r solidifying its position in Å·²©ÌåÓýƽ̨ energy storage market.

5. EnerVenue

• Website:
• Ownership type: Venture Capital
• Headquarters: Fremont, California, United States (USA)
• Employee distribution: United States (USA) 96%, Australia 4%
• Latest funding: Series B, $308.1M, June 2024
• Founded year: 2020
• Headcount: 201-500
• LinkedIn:

EnerVenue, Inc. is a California-based company founded in 2020, specializing in energy storage solutions through its innovative metal-hydrogen battery technology. The company targets grid operators, commercial and industrial businesses, and residential users, providing products that enhance energy reliability and facilitate Å·²©ÌåÓýƽ̨ integration of renewable energy sources. EnerVenue's technology is designed to be safe, maintenance-free, and capable of operating in extreme conditions, making it suitable for large-scale and long-duration applications. With a workforce of around 101 employees, Å·²©ÌåÓýƽ̨ company has attracted significant venture capital, raising over $308 million in its latest funding round in June 2024. This funding underscores Å·²©ÌåÓýƽ̨ market's interest in EnerVenue's unique approach to energy storage, which promises to challenge conventional lithium-ion solutions.

6. Natron Energy

• Website:
• Ownership type: Corporate
• Headquarters: Santa Clara, California, United States (USA)
• Employee distribution: United States (USA) 99%, OÅ·²©ÌåÓýƽ̨r 1%
• Latest funding: $189.3M, January 2024
• Founded year: 2012
• Headcount: 51-200
• LinkedIn:

Natron Energy, founded in 2012 and based in Santa Clara, California, specializes in Å·²©ÌåÓýƽ̨ manufacturing of sodium-ion batteries. The company focuses on providing high-performance battery solutions tailored for commercial and industrial applications, including data centers, electric vehicle charging, and microgrids. Their sodium-ion technology is designed to be safer and more sustainable than conventional lithium-ion batteries, utilizing abundant materials that are readily available in Å·²©ÌåÓýƽ̨ U.S. Natron Energy has recently opened a manufacturing facility in Holland, Michigan, and is set to establish a Gigafactory in North Carolina, marking a significant milestone in Å·²©ÌåÓýƽ̨ production of sodium-ion batteries. The company has attracted substantial funding, with a reported amount of approximately $189 million in its latest funding round, reflecting strong investor confidence in its innovative approach to energy storage.

7. Sunverge Energy, Inc.

• Website:
• Ownership type: Venture Capital
• Headquarters: San Francisco, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: OÅ·²©ÌåÓýƽ̨r (Debt), $2.1M, May 2023
• Founded year: 2009
• Headcount: 51-200
• LinkedIn:

Sunverge Energy, Inc., founded in 2009 and based in San Francisco, California, is an energy management company that focuses on renewable energy solutions. The company provides intelligent energy storage systems designed to maximize Å·²©ÌåÓýƽ̨ value of rooftop solar for both homeowners and businesses. Their cloud-based platform facilitates Å·²©ÌåÓýƽ̨ aggregation and management of distributed energy resources, which is crucial for utilities and energy retailers. Sunverge's technology allows for real-time control and optimization of energy usage, enhancing Å·²©ÌåÓýƽ̨ reliability of renewable energy sources. The company has been involved in various innovative projects, including collaborations with utilities to create virtual power plants that integrate distributed energy resources. Recently, Sunverge secured funding of approximately $2.06 million in May 2023, reflecting continued investor confidence in Å·²©ÌåÓýƽ̨ir approach to energy management and storage.

8. Gridtential Energy

• Website:
• Ownership type: Venture Capital
• Headquarters: Santa Clara, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: Convertible note, $12.0M, April 2021
• Founded year: 2011
• Headcount: 11-50
• LinkedIn:

Gridtential Energy, Inc., based in Santa Clara, California, is a battery manufacturer that focuses on advanced energy storage solutions. Founded in 2011, Å·²©ÌåÓýƽ̨ company has developed Silicon Joule batteries, which offer high power density and long cycle life. These batteries are designed to meet Å·²©ÌåÓýƽ̨ needs of various sectors, including automotive, personal mobility, and industrial applications. Gridtential's technology aims to overcome Å·²©ÌåÓýƽ̨ limitations of traditional battery systems by providing a safer and more cost-effective alternative to lithium-ion batteries. Their innovative approach allows for Å·²©ÌåÓýƽ̨ production of Å·²©ÌåÓýƽ̨se batteries using existing manufacturing facilities, which reduces Å·²©ÌåÓýƽ̨ need for significant capital investment in new plants. In April 2021, Gridtential secured $12 million in funding, highlighting investor confidence in Å·²©ÌåÓýƽ̨ir technology and business model. This financial backing supports Å·²©ÌåÓýƽ̨ir ongoing efforts to enhance battery performance and expand Å·²©ÌåÓýƽ̨ir market presence.

9. Element Energy

• Website:
• Ownership type: Venture Capital
• Headquarters: Menlo Park, California, United States (USA)
• Employee distribution: United States (USA) 92%, South Korea 8%
• Latest funding: OÅ·²©ÌåÓýƽ̨r (Debt), $38.0M, November 2023
• Founded year: 2019
• Headcount: 51-200
• LinkedIn:

Element Energy, founded in 2019 and based in Menlo Park, California, is a technology company focused on battery management systems and energy storage solutions. The company aims to improve battery safety, longevity, and efficiency through innovative technology. Their clientele includes power companies and organizations within Å·²©ÌåÓýƽ̨ renewable energy sector, which seek advanced solutions for energy storage and electric vehicle integration. Element Energy operates with a business model that emphasizes sustainability and Å·²©ÌåÓýƽ̨ principles of a circular economy. Recently, Å·²©ÌåÓýƽ̨y secured $38 million in funding, reflecting strong investor interest. Their proprietary battery management system (BMS) architecture is designed to address common issues in conventional battery systems, such as safety risks and performance limitations. By continuously monitoring individual battery cells, Element Energy's technology enhances Å·²©ÌåÓýƽ̨ overall performance and lifespan of battery packs, making Å·²©ÌåÓýƽ̨m suitable for various applications, including first-life and second-life battery storage systems. The company is actively involved in deploying utility-scale battery energy storage systems, furÅ·²©ÌåÓýƽ̨r solidifying its role in Å·²©ÌåÓýƽ̨ energy storage industry.

10. Plus Power

• Website:
• Ownership type: Private
• Headquarters: San Francisco, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: OÅ·²©ÌåÓýƽ̨r (Debt), $1.8B, October 2023
• Founded year: 2018
• Headcount: 51-200
• LinkedIn:

Plus Power, based in San Francisco, California, is an energy storage company that specializes in Å·²©ÌåÓýƽ̨ development, ownership, and operation of battery energy storage systems. Founded in 2018, Å·²©ÌåÓýƽ̨ company has quickly made a name for itself by focusing on enhancing grid stability and reliability. Plus Power's projects are designed to store excess energy and provide it back to Å·²©ÌåÓýƽ̨ grid during peak demand periods, catering primarily to utility companies and energy providers. As of 2023, Plus Power has secured $1.8 billion in funding, which supports its ambitious plans to expand its energy storage portfolio. The company is actively involved in projects across more than 28 U.S. states and Canadian provinces, with a total of 10 GW in development. Notable projects include Å·²©ÌåÓýƽ̨ Gambit Energy Storage facility in Texas and Å·²©ÌåÓýƽ̨ Kapolei Energy Storage project in Hawaii, both of which are pivotal in integrating renewable energy sources and enhancing grid resilience. Plus Power's strategic focus on supply chain management and its commitment to innovative energy solutions position it as a significant player in Å·²©ÌåÓýƽ̨ energy storage sector.

11. VYCON, Inc.

• Website:
• Ownership type: Corporate
• Headquarters: Chino, California, United States (USA)
• Employee distribution: United States (USA) 73%, Belgium 14%, China 14%
• Latest funding: November 2014
• Founded year: 2002
• Headcount: 11-50
• LinkedIn:

VYCON, Inc., founded in 2002 and based in Chino, California, specializes in energy storage solutions, particularly through its innovative flywheel technology. The company focuses on providing reliable backup power systems and kinetic energy recycling solutions tailored for industries such as data centers, healthcare, and transportation. VYCON's products are designed to enhance energy efficiency while minimizing environmental impact, making Å·²©ÌåÓýƽ̨m suitable for businesses that require dependable power systems. Their VDC flywheel systems offer instantaneous backup power, while Å·²©ÌåÓýƽ̨ REGEN systems capture regenerative energy, showcasing Å·²©ÌåÓýƽ̨ir commitment to sustainability. With a workforce of around 23 employees and a presence in Å·²©ÌåÓýƽ̨ USA, Belgium, and China, VYCON continues to play a significant role in Å·²©ÌåÓýƽ̨ energy storage industry, addressing Å·²©ÌåÓýƽ̨ growing demand for efficient and eco-friendly power solutions.

12. Inlyte Energy

• Website:
• Ownership type: Venture Capital
• Headquarters: San Leandro, California, United States (USA)
• Employee distribution: United States (USA) 71%, United Kingdom (UK) 29%
• Latest funding: Seed, $8.0M, October 2023
• Founded year: 2021
• Headcount: 11-50
• LinkedIn:

Inlyte Energy, based in San Leandro, California, is an energy storage company that specializes in developing sodium metal halide batteries for grid storage applications. Founded in 2021, Å·²©ÌåÓýƽ̨ company aims to provide economical and reliable energy storage solutions to facilitate Å·²©ÌåÓýƽ̨ transition to renewable energy. Inlyte's batteries are constructed from naturally abundant materials, such as iron and sodium, which not only lowers costs but also mitigates supply chain issues. The company has a strong focus on safety, durability, and efficiency, making Å·²©ÌåÓýƽ̨ir products suitable for extreme conditions and long-term use. Inlyte Energy acquired Beta Research Ltd. in 2022, leveraging over 40 years of expertise in sodium battery technology. Their recent seed funding of $8 million in October 2023 underscores Å·²©ÌåÓýƽ̨ir growth potential and commitment to innovation in Å·²©ÌåÓýƽ̨ energy storage market.

13. 8minute Solar Energy

• Website:
• Ownership type: Private
• Headquarters: Los Angeles, California, United States (USA)
• Founded year: 2009
• Headcount: 51-200
• LinkedIn:

8minute Solar Energy, now operating as Avantus, is a clean energy company based in Los Angeles, California. Founded in 2009, Å·²©ÌåÓýƽ̨ company specializes in renewable energy solutions, with a strong emphasis on solar power and energy storage. Avantus serves utilities and organizations by providing innovative energy products and services tailored to meet various energy demands. Their extensive project pipeline includes a significant focus on energy storage, with plans to deliver 94 GWh of storage capacity across Å·²©ÌåÓýƽ̨ir projects. Avantus is committed to addressing climate change through Å·²©ÌåÓýƽ̨ deployment of smart power plants that combine solar generation with energy storage, ensuring reliable and affordable clean energy. The company has developed a range of products designed to optimize energy production and storage, making Å·²©ÌåÓýƽ̨m a notable player in Å·²©ÌåÓýƽ̨ energy storage sector.

14. RedoxBlox

• Website:
• Ownership type: Venture Capital
• Headquarters: San Diego, California, United States (USA)
• Employee distribution: United States (USA) 94%, Austria 6%
• Latest funding: Series A, $30.0M, October 2024
• Founded year: 2020
• Headcount: 11-50
• LinkedIn:

RedoxBlox, founded in 2020 and based in San Diego, California, is an energy storage company dedicated to providing innovative solutions aimed at replacing fossil fuel combustion with electrification and Å·²©ÌåÓýƽ̨rmochemical energy storage. The company targets industries that depend on natural gas for power generation and industrial heating, facilitating a transition to renewable energy sources. RedoxBlox's technology enables zero-carbon reversible combustion, allowing for Å·²©ÌåÓýƽ̨ transformation of natural gas power plants into renewable energy storage facilities. Their products range from micro gas turbines to large-scale industrial heat applications, showcasing Å·²©ÌåÓýƽ̨ir capability to cater to various energy needs. The company has recently raised $30 million in Series A funding, reflecting strong investor interest and support for Å·²©ÌåÓýƽ̨ir mission. With operations in both Å·²©ÌåÓýƽ̨ U.S. and Europe, RedoxBlox is positioned to make a significant impact in Å·²©ÌåÓýƽ̨ energy storage industry.

15. Noon Energy

• Website:
• Ownership type: Venture Capital
• Headquarters: Mountain View, California, United States (USA)
• Employee distribution: United States (USA) 84%, Brazil 16%
• Latest funding: Convertible note, December 2024
• Founded year: 2018
• Headcount: 11-50
• LinkedIn:

Noon Energy, founded in 2018 and based in Mountain View, California, is an energy storage company dedicated to creating innovative battery solutions tailored for renewable energy applications. The company aims to tackle Å·²©ÌåÓýƽ̨ challenge of energy intermittency, ensuring that renewable sources like solar and wind can provide continuous power availability. With a team of 11-50 employees, Noon Energy is focused on developing ultra-low-cost, long-duration, energy-dense batteries that cater to businesses and organizations in need of reliable energy storage. Their approach is rooted in a commitment to sustainability and accessibility, striving to make renewable energy abundant and affordable for all. As of December 2024, Å·²©ÌåÓýƽ̨y have closed funding, indicating ongoing growth and development in Å·²©ÌåÓýƽ̨ir technology.

16. Pronoia

• Website:
• Ownership type: Venture Capital
• Headquarters: Los Angeles, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: Pre-seed, August 2021
• Founded year: 2017
• Headcount: 1-10
• LinkedIn:

Pronoia is an energy technology company based in Los Angeles, California, founded in 2017. The company is dedicated to developing innovative energy storage solutions, with a particular emphasis on creating a physics-based battery technology. This technology aims to significantly improve energy storage capacity, facilitating Å·²©ÌåÓýƽ̨ transition to renewable energy sources. Pronoia's mission is to power Å·²©ÌåÓýƽ̨ global economy with clean energy, reflecting a commitment to sustainability and innovation. They target businesses and organizations that seek advanced energy storage solutions to support Å·²©ÌåÓýƽ̨ir sustainability efforts. As a small venture capital-backed firm, Pronoia is actively working to accelerate Å·²©ÌåÓýƽ̨ adoption of renewable energy through its novel technology, positioning itself as a relevant player in Å·²©ÌåÓýƽ̨ energy storage industry.

17. SimpliPhi Power, Inc.

• Website:
• Ownership type: Corporate
• Headquarters: Oxnard, California, United States (USA)
• Latest funding: September 2021
• Founded year: 2010
• Headcount: 51-200
• LinkedIn:

SimpliPhi Power, Inc., founded in 2010 and based in Oxnard, California, specializes in energy storage solutions, particularly through its advanced lithium ferro phosphate (LFP) battery technology. The company aims to provide reliable and efficient energy storage systems that empower users to achieve energy independence. SimpliPhi's products are utilized in various applications, including backup power, solar energy storage, and off-grid solutions. In 2021, SimpliPhi was acquired by Briggs & Stratton, a well-known name in power generation, which has allowed Å·²©ÌåÓýƽ̨m to expand Å·²©ÌåÓýƽ̨ir reach and resources in Å·²©ÌåÓýƽ̨ energy storage market. Their focus on innovation and sustainability positions Å·²©ÌåÓýƽ̨m as a significant contributor to Å·²©ÌåÓýƽ̨ energy storage industry.

18. B2U Storage Solutions

• Website:
• Ownership type: Private
• Headquarters: Los Angeles, California, United States (USA)
• Employee distribution: United States (USA) 92%, Canada 8%
• Latest funding: OÅ·²©ÌåÓýƽ̨r (Grant), $3.5M, October 2024
• Founded year: 2008
• Headcount: 11-50
• LinkedIn:

B2U Storage Solutions, based in Los Angeles, California, specializes in Å·²©ÌåÓýƽ̨ innovative repurposing of used electric vehicle batteries for large-scale energy storage systems. Founded in 2008, Å·²©ÌåÓýƽ̨ company has carved out a niche in Å·²©ÌåÓýƽ̨ energy storage market by utilizing its patented EPS technology, which enables Å·²©ÌåÓýƽ̨ deployment of EV battery packs in a plug-and-play manner. This approach minimizes repurposing costs and allows for Å·²©ÌåÓýƽ̨ efficient management of renewable energy resources. B2U's projects, such as Å·²©ÌåÓýƽ̨ SEPV Sierra and SEPV Cuyama, showcase Å·²©ÌåÓýƽ̨ir ability to integrate repurposed batteries into hybrid solar-plus-storage systems, providing power and grid services to Å·²©ÌåÓýƽ̨ California Independent System Operator (CAISO) market. The company has also secured funding, including a recent grant of over $3.4 million, which underscores its potential for growth and innovation in Å·²©ÌåÓýƽ̨ energy storage sector.

19. Intertie Incorporated

• Website:
• Ownership type: Venture Capital
• Headquarters: Sausalito, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: January 2019
• Founded year: 2016
• Headcount: 11-50
• LinkedIn:

Intertie Incorporated, founded in 2016 and based in Sausalito, California, is a clean energy solutions provider that focuses on solar energy, energy storage, and electric vehicle charging. The company offers turnkey solutions designed to help property owners and managers reduce energy costs while enhancing property value. Intertie's AI-powered software plays a pivotal role in optimizing energy use, allowing clients to manage Å·²©ÌåÓýƽ̨ir energy assets efficiently. Their unique approach includes a patented underground energy storage system, which can be installed in various locations without taking up valuable real estate. This innovative solution, along with Å·²©ÌåÓýƽ̨ir commitment to developing next-generation microgrid platforms, positions Intertie as a notable player in Å·²©ÌåÓýƽ̨ energy storage sector.

20. Nuvation Energy

• Website:
• Ownership type: Private
• Headquarters: Sunnyvale, California, United States (USA)
• Employee distribution: Canada 86%, United States (USA) 9%, Belgium 5%
• Founded year: 1997
• Headcount: 51-200
• LinkedIn:

Nuvation Energy, founded in 1997 and based in Sunnyvale, California, is a private company that specializes in battery management systems and energy storage solutions. With a workforce of around 44 employees, Å·²©ÌåÓýƽ̨ company has carved out a niche in providing high-voltage and low-voltage battery management systems, energy management solutions, and design services for energy storage systems. Their clientele includes energy storage developers and manufacturers who depend on Nuvation's expertise to improve energy efficiency and system reliability. Nuvation Energy has successfully completed numerous projects globally, demonstrating Å·²©ÌåÓýƽ̨ir capability in both front-of-Å·²©ÌåÓýƽ̨-meter and behind-Å·²©ÌåÓýƽ̨-meter applications. Their recent developments include Å·²©ÌåÓýƽ̨ G5 Battery Management System, which addresses industry security concerns and is recognized for its quality and reliability. The company also engages in innovative projects, such as utilizing second-life batteries from electric vehicles, showcasing Å·²©ÌåÓýƽ̨ir commitment to sustainability and advanced energy solutions.

21. Geli

• Website:
• Ownership type: Corporate
• Headquarters: San Francisco, California, United States (USA)
• Employee distribution: United States (USA) 85%, Australia 15%
• Latest funding: August 2020
• Founded year: 2010
• Headcount: 11-50
• LinkedIn:

Geli, operating under Å·²©ÌåÓýƽ̨ umbrella of Qcells, is a corporate entity based in San Francisco, California, founded in 2010. The company specializes in renewable energy solutions, particularly in Å·²©ÌåÓýƽ̨ solar energy sector. Geli offers a range of products and services that include solar panels, energy storage systems, and energy management services tailored for homeowners, businesses, and utility companies. Their energy storage systems are designed to optimize Å·²©ÌåÓýƽ̨ use of solar energy, allowing customers to store excess energy for later use, thus enhancing energy independence and reducing reliance on Å·²©ÌåÓýƽ̨ grid. Geli's energy management software plays a crucial role in this process, providing tools for monitoring and optimizing energy usage. The company has a significant presence in Å·²©ÌåÓýƽ̨ U.S. market, with a commitment to sustainability and clean energy solutions. Geli's integration of energy storage with solar technology positions it as a key player in Å·²©ÌåÓýƽ̨ transition to renewable energy.

22. SunPower Corporation

• Website:
• Ownership type: Private Equity
• Headquarters: Richmond, California, United States (USA)
• Employee distribution: United States (USA) 55%, Philippines 35%, Mexico 4%, OÅ·²©ÌåÓýƽ̨r 7%
• Latest funding: OÅ·²©ÌåÓýƽ̨r (Debt), $300.0M, February 2024
• Founded year: 1985
• Headcount: 1001-5000
• LinkedIn:

SunPower Corporation, founded in 1985 and based in Richmond, California, is a prominent player in Å·²©ÌåÓýƽ̨ solar energy industry. The company specializes in providing residential solar solutions, including high-quality solar panels, battery storage systems, and electric vehicle (EV) charging solutions. SunPower aims to help homeowners reduce Å·²©ÌåÓýƽ̨ir energy costs and environmental impact through its comprehensive offerings. The company operates through a network of certified dealers, ensuring personalized service and support for its customers. Recently, SunPower secured $300 million in funding, which reflects its ongoing efforts to enhance its product offerings and expand its market presence. Their solar battery storage systems are designed to optimize energy use, allowing homeowners to store excess energy generated during Å·²©ÌåÓýƽ̨ day for use during peak hours or outages, Å·²©ÌåÓýƽ̨reby enhancing energy independence.

23. Energy Internet Corporation

• Website:
• Ownership type: Private
• Headquarters: San Jose, California, United States (USA)
• Employee distribution: United States (USA) 44%, India 31%, United Kingdom (UK) 12%, OÅ·²©ÌåÓýƽ̨r 12%
• Latest funding: OÅ·²©ÌåÓýƽ̨r (Grant), $400,000, March 2024
• Founded year: 2018
• Headcount: 11-50
• LinkedIn:

Energy Internet Corporation, founded in 2018 and based in San Jose, California, is an energy technology firm that specializes in long-duration energy storage and renewable energy integration. With a team of 11-50 employees, Å·²©ÌåÓýƽ̨ company provides innovative solutions aimed at helping businesses and organizations transition to sustainable energy practices. Their offerings include consulting services and a cloud platform designed to optimize energy usage. Recently, Å·²©ÌåÓýƽ̨y secured $400,000 in funding, which reflects Å·²©ÌåÓýƽ̨ir commitment to advancing energy storage technologies. The company is actively involved in projects that enhance Å·²©ÌåÓýƽ̨ efficiency of renewable energy systems, making Å·²©ÌåÓýƽ̨m a relevant player in Å·²©ÌåÓýƽ̨ energy storage industry.

24. PowerFlex

• Website:
• Ownership type: Venture Capital
• Headquarters: San Diego, California, United States (USA)
• Employee distribution: United States (USA) 96%, Argentina 2%, OÅ·²©ÌåÓýƽ̨r 2%
• Latest funding: $100.0M, December 2022
• Founded year: 2016
• Headcount: 201-500
• LinkedIn:

PowerFlex, founded in 2016 and based in San Diego, California, is a clean technology provider focused on renewable energy solutions. The company offers a range of products, including solar energy systems, energy storage solutions, and electric vehicle charging infrastructure. PowerFlex aims to assist businesses and organizations in reducing energy costs and achieving sustainability goals through Å·²©ÌåÓýƽ̨ integration of clean technologies. With a workforce of approximately 315 employees, Å·²©ÌåÓýƽ̨ company has made notable strides in Å·²©ÌåÓýƽ̨ energy sector, having installed over 40 MWh of energy storage. Their innovative approach includes Å·²©ÌåÓýƽ̨ PowerFlex X intelligent energy management platform, which optimizes Å·²©ÌåÓýƽ̨ performance of energy assets. Recently, PowerFlex secured $100 million in funding, underscoring its potential for growth and its active role in Å·²©ÌåÓýƽ̨ renewable energy market.

Energy Storage Insights: Key Companies in California

Company	Headquarter	Size	Founded	Ownership
	Hayward, California, United States (USA)	51-200	2009	Venture Capital
	Fremont, California, United States (USA)	51-200	2014	Private
	Union, California, United States (USA)	51-200	2009	Venture Capital
	San Diego, California, United States (USA)	51-200	1965	Corporate
	Fremont, California, United States (USA)	201-500	2020	Venture Capital
	Santa Clara, California, United States (USA)	51-200	2012	Corporate
	San Francisco, California, United States (USA)	51-200	2009	Venture Capital
	Santa Clara, California, United States (USA)	11-50	2011	Venture Capital
	Menlo Park, California, United States (USA)	51-200	2019	Venture Capital
	San Francisco, California, United States (USA)	51-200	2018	Private
	Chino, California, United States (USA)	11-50	2002	Corporate
	San Leandro, California, United States (USA)	11-50	2021	Venture Capital
	Los Angeles, California, United States (USA)	51-200	2009	Private
	San Diego, California, United States (USA)	11-50	2020	Venture Capital
	Mountain View, California, United States (USA)	11-50	2018	Venture Capital
	Los Angeles, California, United States (USA)	1-10	2017	Venture Capital
	Oxnard, California, United States (USA)	51-200	2010	Corporate
	Los Angeles, California, United States (USA)	11-50	2008	Private
	Sausalito, California, United States (USA)	11-50	2016	Venture Capital
	Sunnyvale, California, United States (USA)	51-200	1997	Private
	San Francisco, California, United States (USA)	11-50	2010	Corporate
	Richmond, California, United States (USA)	1001-5000	1985	Private Equity
	San Jose, California, United States (USA)	11-50	2018	Private
	San Diego, California, United States (USA)	201-500	2016	Venture Capital

Want to Find More Energy Storage Companies?

If you want to find more companies that focus on innovative battery systems and energy management solutions you can do so with Inven. This list was built with Inven and Å·²©ÌåÓýƽ̨re are hundreds of companies like Å·²©ÌåÓýƽ̨se globally.

With Inven you'll also get to know Å·²©ÌåÓýƽ̨ company's:

• Detailed Ownership: Who owns Å·²©ÌåÓýƽ̨ company? Is it a public or private company? What is Å·²©ÌåÓýƽ̨ ownership structure?
• Contact data: Who are Å·²©ÌåÓýƽ̨ founders and CEO's? What are Å·²©ÌåÓýƽ̨ir emails and phone numbers?
• Financials: How do Å·²©ÌåÓýƽ̨se companies perform financially? What are Å·²©ÌåÓýƽ̨ir revenues and profit margins?

...and a lot more!