The energy storage industry is a rapidly growing sector that focuses on the development and implementation of technologies and systems for storing and utilizing energy efficiently. It encompasses various companies that offer a range of products and services to meet the increasing demand for energy storage solutions. These companies specialize in providing batteries, chargers, and energy storage systems for numerous applications, including telecommunications, renewable energy, and industrial sectors. With the drive towards cleaner and more sustainable energy sources, the industry is headed towards further innovation and investment in energy storage technologies. This will enable better integration of renewable energy sources, improve grid stability, and support the transition towards a more sustainable and reliable energy future.


Top 21 Energy Storage Companies

1. EnerSys

  • Headquarter: Reading, Pennsylvania, United States
  • Headcount: 5001-10000
  • LinkedIn

Enersys is a company that offers energy solutions and power storage systems. They specialize in providing batteries, chargers, and energy storage solutions for various applications, including telecommunications, renewable energy, and industrial sectors.

2. Sungrow Power Supply Co., Ltd.

  • Headquarter: Hefei, Anhui, China
  • Headcount: 5001-10000
  • LinkedIn

Sungrow is a leading provider of intelligent energy solutions, specializing in photovoltaic inverter technology. With over 26 years of experience, Sungrow offers a wide range of products and solutions for the renewable energy industry. Their offerings include energy storage systems, PV inverters, EV chargers, and floating PV systems. Sungrow is dedicated to ensuring profitability for stakeholders and securing competitiveness in the market.

3. Okaya Power Group

  • Headquarter: New Delhi, New Delhi, India
  • Founded: 2002
  • Headcount: 1001-5000
  • LinkedIn

Okaya Power Pvt. Ltd. is a company that offers a wide range of batteries, including tubular inverter batteries, SMF/VRLA batteries, solar batteries, and EV lithium-ion batteries. They provide long-lasting and reliable power solutions for various applications. The company is known for its expertise in battery manufacturing and its commitment to quality control.

4. SolarEdge Technologies

  • Headquarter: Herzliya, Israel, Israel
  • Founded: 2006
  • Headcount: 1001-5000
  • Latest funding type: Series E
  • LinkedIn

SolarEdge is a leading provider of smart energy solutions, specializing in PV inverters, power optimizers, and backup batteries. They offer products and services for both residential and commercial customers, helping them maximize their ROI and achieve sustainable energy goals. SolarEdge's innovative technology and comprehensive support make them a trusted partner in the renewable energy industry.

5. Power Electronics

  • Headquarter: Llíria, Valencia, Spain
  • Founded: 1987
  • Headcount: 1001-5000
  • Latest funding type: Grant
  • LinkedIn

Power Electronics is a company that specializes in power electronics solutions, offering a wide range of products and services for energy storage, mobility, and solar applications. They provide innovative and sustainable solutions to help customers harness the power of electricity and contribute to a cleaner and more sustainable future.

6. GoodWe

  • Headquarter: Suzhou, Jiangsu, China
  • Founded: 2010
  • Headcount: 1001-5000
  • LinkedIn

GoodWe is a leading manufacturer of PV inverters and energy storage solutions, offering comprehensive solutions for residential, commercial, and industrial installations. They provide high-quality and reliable products for solar energy production, with a range of inverters from 0.7kW to 250kW. GoodWe also offers energy storage solutions for optimizing self-consumption and providing backup power.

7. Tianneng Group Official 天能集团官方

  • Headquarter: Huzhou, Zhejiang, China
  • Founded: 1986
  • Headcount: 10001+
  • LinkedIn

Tianneng Holding Group is a large-scale industrial battery company dedicated to manufacturing environmentally friendly motive battery for electric vehicles, integrating R&D, production, and sales of battery systems and solutions.

8. sonnen GmbH

  • Headquarter: Wildpoldsried, Bavaria, Germany
  • Founded: 2010
  • Headcount: 501-1000
  • LinkedIn

Sonnen.de offers intelligent energy solutions for a clean energy future. Their packages combine smart products to provide solutions for backup power, electric mobility, and high performance needs. With their sonnenBatterie, a clean, fair, and affordable energy supply is made possible for all. They aim to help individuals become independent from traditional energy providers and be part of a new movement towards sustainable energy.

9. Shenzhen KSTAR Science and Technology Co., Ltd.

  • Headquarter: China
  • Founded: 1993
  • Headcount: 1001-5000
  • LinkedIn

Kstar.com.cn is a technology service company that provides solutions in the fields of data centers, new energy, and charging stations. They offer products such as solar inverters, energy storage systems, and electric vehicle charging stations. The company focuses on customer satisfaction and is committed to providing high-quality and innovative solutions.

10. Fluence

  • Headquarter: Arlington, Virginia, United States
  • Founded: 2018
  • Headcount: 501-1000
  • Latest funding type: Private Equity
  • LinkedIn

Fluence is a global leader in energy storage and digital applications for renewables and storage. They offer an integrated ecosystem of products, services, and digital applications across a range of energy storage and renewable use cases.

11. Sacred Sun Power Sources Co., Ltd.

  • Headquarter: Qufu, Shandong Province, China
  • Founded: 1991
  • Headcount: 1001-5000
  • Latest funding type: Series Unknown
  • LinkedIn

Sacred Sun is a green energy solution provider that offers a wide range of products and solutions for various industries. They specialize in energy storage systems, including lithium-ion and lead acid batteries, and provide power system integration solutions. With a focus on smart energy, Sacred Sun has been dedicated to green energy for 30 years.

12. SolaX Power Co.

  • Headquarter: Hangzhou, Zhejiang Province, China
  • Founded: 1998
  • Headcount: 1001-5000
  • LinkedIn

Solax Power is an intelligent solar energy system with energy storage and electric vehicle charging capabilities. Their versatile system can be customized to individual needs, allowing users to efficiently utilize grid energy and reduce costs.

13. sonnen, Inc.

  • Headquarter: Stone Mountain, Georgia, United States
  • Headcount: 201-500
  • Latest funding type: Series E
  • LinkedIn

SonnenUSA is a company that specializes in energy storage solutions. They offer a range of products and services that help homeowners and businesses store and manage renewable energy. With a focus on clean energy transition, SonnenUSA aims to provide reliable and sustainable power options. They also have an extensive partner network and provide support and assistance to their customers.

14. Stem, Inc.

  • Headquarter: San Francisco, California, United States
  • Founded: 2009
  • Headcount: 501-1000
  • Latest funding type: Post Ipo Equity
  • LinkedIn

Stem is a clean energy management company that offers solutions for solar and storage utility bill optimization. They provide innovative technology to control, monitor, and manage standalone storage, solar, and solar + storage assets. Stem's customers include Fortune 500 companies, project developers, asset owners, and utilities.

15. KACO new energy

  • Headquarter: Neckarsulm, Germany
  • Founded: 1914
  • Headcount: 201-500
  • LinkedIn

KACO new energy is a company that offers a range of inverters and systems for utility-scale, commercial and industrial, and residential photovoltaic (PV) and battery storage projects. They also provide reactive power compensation, anti-PID solutions, and PV monitoring services. The company is headquartered in Neckarsulm, Germany.

16. Pylon Technologies Co., Ltd.

  • Headquarter: Shanghai, Shanghai, China
  • Founded: 2009
  • Headcount: 1001-5000
  • LinkedIn

Pylontech is a global company specializing in innovative battery solutions for electric power generation, storage, and usage. They offer a wide range of flexible battery products and solutions that have been widely deployed in various applications worldwide.

17. KIJO Group

  • Headquarter: Nanchang, Jiangxi, China
  • Founded: 1993
  • Headcount: 1001-5000
  • LinkedIn

Kijo Battery is an energy storage battery manufacturer and supplier based in China. They offer a wide range of batteries, including lithium batteries, AGM deep cycle batteries, gel deep cycle batteries, lead carbon batteries, and more. With over 100 national patents and certifications, Kijo Battery provides high-quality battery products for various applications.

18. ESS, Inc.

  • Headquarter: Wilsonville, Oregon, United States
  • Founded: 2011
  • Headcount: 201-500
  • Latest funding type: Post Ipo Equity
  • LinkedIn

ESS Inc. is a company that offers long-duration energy storage solutions for creating a decarbonized grid powered by renewable energy. Their solutions enable the growing penetration of renewables and provide clean energy 24/7.

19. Freedom Won Pty Ltd

  • Headquarter: Honeydew, Gauteng, South Africa
  • Founded: 2012
  • Headcount: 201-500
  • LinkedIn

FreedomWon is a company that offers a wide range of leading lithium battery solutions, including residential off-grid and grid interactive systems. They specialize in providing energy storage products and solutions with proven best-in-class performance, functionality, and reliability. Their offerings range from small 7Ah 12V gate motor batteries to large 5MWh containerized expandable grid support solutions.

20. ZRGP Lithium Battery

  • Headquarter: Sz, Guangdong, China
  • Founded: 2016
  • Headcount: 201-500
  • LinkedIn

Zruipower.com is a high-tech enterprise specializing in the research, development, design, production, and sales of lithium battery management systems, energy storage systems, battery modules, and battery monitoring systems. They offer a wide range of products including residential and commercial energy storage systems, power base modules, hybrid inverters, and deep cycle batteries.

21. Cygni Energy Private Limited

  • Headquarter: Hyderabad, Telangana, India
  • Founded: 2014
  • Headcount: 51-200
  • Latest funding type: Series B
  • LinkedIn

Cygni is a next-generation energy storage company that offers customized Lithium-ion Battery packs for electric vehicles, energy storage, solar, and telecom applications.

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