Top 10 Commercial ESS Manufacturers in the world

Jul 22, 2026

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Sophia White
Sophia White
Sophia is in charge of the quality control department of Jiaxing Feiya New Energy Co., Ltd. She is extremely strict in ensuring the product quality, making sure that every lithium battery, solar panel and solar inverter meets the high - end standards. Her work guarantees the stable quality of the company's products.

Introduction to Commercial ESS

Commercial Energy Storage Systems (ESS) are crucial components in the modern energy landscape. They play a vital role in balancing the supply and demand of electricity, enhancing grid stability, and facilitating the integration of renewable energy sources such as solar and wind. Commercial ESS can store excess electricity during periods of low demand and release it when demand is high, helping to optimize energy usage and reduce costs for commercial and industrial users. These systems typically consist of batteries, power conversion systems, and control software, and they come in various sizes and configurations to meet different application requirements.


Top 10 Manufacturers

1. Jiaxing Feiya New Energy Co., Ltd.

Jiaxing Feiya New Energy Co., Ltd. is a leading player in the commercial ESS market. The company is dedicated to the research, development, production, and sales of energy storage systems. It has a strong R & D team that continuously innovates to improve the performance and efficiency of its products.


Features in Commercial ESS:


  • High - energy density: Feiya's ESS products are designed to have a high energy density, which means they can store a large amount of energy in a relatively small space. This is particularly beneficial for commercial applications where space is often limited.
  • Long cycle life: The batteries used in their systems have a long cycle life, reducing the need for frequent replacements. This helps to lower the overall cost of ownership for commercial users.
  • Intelligent control system: The company's ESS is equipped with an intelligent control system that can optimize the charging and discharging process based on real - time energy demand and grid conditions.


Advantages:


  • Customization: Jiaxing Feiya New Energy can provide customized ESS solutions according to the specific needs of different commercial customers. Whether it is a small - scale commercial building or a large - scale industrial complex, they can design and manufacture the most suitable system.
  • Quality assurance: The company adheres to strict quality control standards throughout the production process. All products undergo rigorous testing to ensure their reliability and safety.
  • After - sales service: They offer comprehensive after - sales service, including installation, maintenance, and technical support. This gives commercial customers peace of mind when using their ESS products.


Website: https://www.fy-ess.com/


2. Tesla, Inc.

Tesla is a well - known American company that has made significant contributions to the electric vehicle and energy storage industries. In the commercial ESS field, Tesla's Powerpack and Megapack are highly regarded.


Company Introduction:Tesla was founded in 2003 with the goal of accelerating the world's transition to sustainable energy. The company's innovative approach and cutting - edge technology have made it a global leader. Its energy storage division focuses on developing large - scale ESS for commercial and utility applications.


Features in Commercial ESS:


  • Scalability: Tesla's ESS products can be easily scaled up or down to meet different energy storage requirements. Whether it is a small commercial project or a large - scale grid - connected energy storage system, the modular design allows for flexible expansion.
  • High - performance batteries: Tesla uses advanced lithium - ion battery technology in its ESS. These batteries offer high energy efficiency, fast charging and discharging capabilities, and excellent thermal management.
  • Integration with renewable energy: Tesla's ESS can be seamlessly integrated with solar and wind power systems. This helps commercial users to store the excess energy generated from renewable sources and use it when needed, reducing their reliance on the grid.


Advantages:


  • Brand reputation: Tesla has a strong brand reputation globally. Its name is associated with innovation, quality, and sustainability, which gives commercial customers confidence in its ESS products.
  • Advanced technology: The company invests heavily in research and development, constantly improving its battery technology and energy management systems. This ensures that its ESS products are at the forefront of the industry.
  • Global presence: Tesla has a wide - reaching global presence, which means it can provide support and service to commercial customers around the world.


3. LG Chem Ltd.

LG Chem is a South Korean chemical company that is also a major player in the battery and energy storage market.


Company Introduction:LG Chem has a long history of innovation in the chemical and battery industries. It has a diverse product portfolio, including lithium - ion batteries for various applications, such as electric vehicles, consumer electronics, and energy storage systems.


Features in Commercial ESS:


  • High - quality batteries: LG Chem's lithium - ion batteries are known for their high quality, reliability, and safety. They have a low self - discharge rate and can maintain their performance over a long period of time.
  • Advanced battery management system: The company's ESS is equipped with an advanced battery management system (BMS) that can monitor and control the battery's state of charge, temperature, and other parameters. This helps to ensure the safe and efficient operation of the ESS.
  • Flexible design: LG Chem offers a range of ESS products with different capacities and configurations. This allows commercial customers to choose the most suitable system for their specific needs.


Advantages:


  • Manufacturing expertise: LG Chem has extensive manufacturing expertise in the battery industry. It has large - scale production facilities that can produce high - quality batteries at a competitive cost.
  • Research and development: The company invests significantly in R & D to improve its battery technology. It is constantly exploring new materials and designs to enhance the performance and energy density of its ESS products.
  • Partnerships: LG Chem has established partnerships with many leading companies in the energy and power industries. These partnerships help to promote the adoption of its ESS products in the commercial market.


4. Samsung SDI Co., Ltd.

Samsung SDI is another South Korean company that is actively involved in the energy storage market.


Company Introduction:Samsung SDI is a subsidiary of Samsung Group. It is a leading manufacturer of lithium - ion batteries, with a focus on high - performance and high - quality products. The company's energy storage business aims to provide solutions for commercial, industrial, and utility applications.


Features in Commercial ESS:


  • High - energy efficiency: Samsung SDI's ESS products are designed to have high energy efficiency, which means they can store and release energy with minimal losses. This helps commercial users to save on energy costs.
  • Fast charging and discharging: The batteries used in its ESS can be charged and discharged quickly, allowing for rapid response to changes in energy demand. This is particularly useful for applications such as peak shaving and frequency regulation.
  • Safety features: Samsung SDI places a high emphasis on safety in its ESS products. The batteries are equipped with multiple safety mechanisms, such as over - charge protection, over - discharge protection, and short - circuit protection.


Advantages:


  • Technological leadership: Samsung SDI is at the forefront of battery technology. It has a strong R & D team that is constantly developing new and improved battery materials and designs.
  • Quality control: The company has strict quality control standards in place throughout the production process. This ensures that its ESS products meet the highest quality and safety requirements.
  • Global market reach: Samsung SDI has a global market reach, with customers in many countries around the world. This allows it to serve a wide range of commercial customers and gain valuable market insights.


5. BYD Co., Ltd.

BYD is a Chinese company that is well - known for its electric vehicles and energy storage systems.


Company Introduction:BYD was founded in 1995 and has since grown into a global leader in the new energy industry. It has a comprehensive product portfolio that includes electric vehicles, batteries, and energy storage solutions.


Features in Commercial ESS:


  • Vertical integration: BYD has achieved vertical integration in its business, from battery production to the manufacturing of complete ESS. This allows the company to have better control over the quality and cost of its products.
  • Wide range of applications: BYD's ESS can be used in various commercial applications, such as solar power plants, industrial parks, and commercial buildings. It can provide energy storage, peak shaving, and backup power solutions.
  • Long - term reliability: The company's ESS products are designed to have long - term reliability. They are built with high - quality components and undergo strict testing to ensure their performance over a long period of time.


Advantages:


  • Cost - effectiveness: BYD's vertical integration and large - scale production capabilities enable it to offer cost - effective ESS solutions. This makes its products more attractive to commercial customers who are looking for affordable energy storage options.
  • Research and innovation: BYD invests heavily in research and innovation. It has a large R & D team that is constantly working on improving its battery technology and ESS performance.
  • Global expansion: The company has been actively expanding its global presence, with projects in many countries. This helps to increase its brand awareness and market share in the commercial ESS market.


6. Fluence Energy, Inc.

Fluence Energy is a global energy storage technology and services provider.


Company Introduction:Fluence was formed through a joint venture between Siemens and AES. It combines the engineering and technology expertise of Siemens with the energy project development and operation experience of AES. The company focuses on providing energy storage solutions for commercial, industrial, and utility customers.


Features in Commercial ESS:


  • Advanced software and control systems: Fluence's ESS is equipped with advanced software and control systems that can optimize the operation of the energy storage system. These systems can analyze real - time energy data and make intelligent decisions to maximize the efficiency and profitability of the ESS.
  • Hybrid energy storage solutions: The company offers hybrid energy storage solutions that combine different types of energy storage technologies, such as batteries and flywheels. This allows for a more flexible and efficient energy storage system.
  • Grid - friendly operation: Fluence's ESS is designed to be grid - friendly. It can provide grid support services, such as frequency regulation, voltage control, and peak shaving, to help improve the stability and reliability of the grid.


Advantages:


  • Combined expertise: The joint venture between Siemens and AES gives Fluence access to a wide range of technical and operational expertise. This allows the company to develop and deliver high - quality ESS solutions.
  • Global project experience: Fluence has completed numerous energy storage projects around the world. This experience gives it a deep understanding of the different requirements and challenges in the commercial ESS market.
  • Customer - centric approach: The company takes a customer - centric approach, working closely with customers to understand their specific needs and provide customized solutions.


7. Sonnen GmbH

Sonnen is a German company that specializes in residential and commercial energy storage systems.


Company Introduction:Sonnen was founded in 2010 with the vision of creating a decentralized and sustainable energy future. The company's energy storage systems are designed to help users store and manage their own energy, reducing their dependence on the grid.


Features in Commercial ESS:


  • Modular design: Sonnen's ESS has a modular design, which allows for easy installation and expansion. Commercial users can start with a small - scale system and gradually increase its capacity as their energy storage needs grow.
  • Energy management software: The company's ESS is integrated with energy management software that can monitor and control the energy flow. This software can optimize the charging and discharging process based on the user's energy consumption patterns and electricity prices.
  • Community energy sharing: Sonnen offers a community energy sharing platform that allows commercial users to share their stored energy with other users in the community. This promotes the efficient use of energy and can help to reduce overall energy costs.


Advantages:


  • Innovation in energy management: Sonnen is at the forefront of innovation in energy management. Its software and community energy sharing platform are unique features that set it apart from other ESS manufacturers.
  • German engineering quality: The company is known for its high - quality German engineering. Its ESS products are built to last and are reliable in operation.
  • Sustainable energy solutions: Sonnen's focus on sustainable energy solutions aligns with the growing demand for clean and renewable energy in the commercial sector.


8. NEC Corporation

NEC is a Japanese multinational company that has a significant presence in the energy storage market.


Company Introduction:NEC has a long history of innovation in the technology and telecommunications industries. In the energy storage field, the company offers a range of ESS solutions for commercial and utility applications.


Features in Commercial ESS:


  • High - performance battery technology: NEC uses advanced battery technology in its ESS products. Its batteries offer high energy density, long cycle life, and excellent safety performance.
  • Integrated energy management system: The company's ESS is integrated with an energy management system that can optimize the operation of the energy storage system in conjunction with other energy sources, such as solar panels and generators.
  • Remote monitoring and control: NEC's ESS can be remotely monitored and controlled, allowing commercial users to manage their energy storage systems from anywhere. This is particularly useful for large - scale commercial facilities with multiple locations.


Advantages:


  • Technological diversity: NEC has a wide range of technological capabilities, including software development, hardware manufacturing, and system integration. This allows the company to offer comprehensive ESS solutions.
  • Global support network: The company has a global support network that can provide technical support and maintenance services to commercial customers around the world.
  • Industry experience: NEC has extensive experience in the energy and power industries. This experience helps the company to understand the specific needs and challenges of commercial ESS users.


9. ABB Ltd.

ABB is a Swiss - Swedish multinational company that is a leading provider of power and automation technologies.


Company Introduction:ABB has a long - standing reputation for innovation and quality in the energy and industrial sectors. In the commercial ESS market, the company offers a range of products and solutions, including battery energy storage systems and power conversion systems.


Features in Commercial ESS:


  • Power conversion expertise: ABB is known for its power conversion expertise. Its power conversion systems can efficiently convert the DC power stored in the batteries to AC power for use in commercial applications.
  • System integration capabilities: The company has strong system integration capabilities, which allow it to integrate different components of the ESS, such as batteries, power converters, and control systems, into a seamless and efficient system.
  • Grid - connected solutions: ABB's ESS solutions are designed to be grid - connected. They can provide grid support services, such as frequency regulation and voltage control, to help improve the stability and reliability of the grid.


Advantages:


  • Global reach: ABB has a global presence, with offices and manufacturing facilities in many countries. This allows the company to serve commercial customers around the world and provide local support.
  • Research and development: ABB invests heavily in research and development to improve its ESS technology. It is constantly exploring new materials and designs to enhance the performance and efficiency of its products.
  • Industry leadership: ABB is an industry leader in the power and automation sectors. Its reputation and expertise give commercial customers confidence in its ESS solutions.


10. Hitachi, Ltd.

Hitachi is a Japanese multinational company that is involved in a wide range of industries, including energy storage.


Company Introduction:Hitachi has a long history of innovation and technological development. In the commercial ESS market, the company offers energy storage solutions that are based on its advanced battery technology and system integration capabilities.


Features in Commercial ESS:


  • Advanced battery technology: Hitachi uses advanced battery technology in its ESS products. Its batteries offer high energy density, long cycle life, and excellent safety performance.
  • System optimization: The company's ESS is designed to optimize the energy storage and discharge process. It can adjust the charging and discharging rate based on the energy demand and grid conditions, ensuring the efficient use of energy.
  • Long - term reliability: Hitachi's ESS products are built to last. They are subjected to rigorous testing and quality control measures to ensure their long - term reliability.


Advantages:


  • Technological heritage: Hitachi has a rich technological heritage, which gives it a competitive edge in the ESS market. Its long - standing experience in research and development allows it to develop high - quality and innovative products.
  • Global service network: The company has a global service network that can provide after - sales support and maintenance services to commercial customers. This ensures the smooth operation of its ESS products.
  • Sustainable development: Hitachi is committed to sustainable development. Its ESS solutions help commercial users to reduce their carbon footprint and contribute to a more sustainable energy future.


Conclusion

The commercial ESS market is highly competitive, with these top 10 manufacturers leading the way. Each company brings its own unique features and advantages to the table. Jiaxing Feiya New Energy Co., Ltd. offers customization and quality assurance, while Tesla is known for its brand reputation and advanced technology. LG Chem and Samsung SDI have strong manufacturing and R & D capabilities, and BYD provides cost - effective solutions through vertical integration. Fluence Energy combines the expertise of Siemens and AES, and Sonnen offers innovative energy management solutions. NEC, ABB, and Hitachi all have global reach, technological diversity, and a long - standing reputation in the industry. As the demand for commercial ESS continues to grow, these manufacturers will play a crucial role in shaping the future of the energy storage market, enabling a more sustainable and efficient energy ecosystem.


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