10 Essential Energy Storage Companies to Know

Table of Contents


Renewable energy sources are becoming more and more popular in the global context. Consequently, the energy storage market is inevitably expanding to meet the growing demand. The International Energy Agency indicated that the global energy storage market in 2021 was more than 20% higher compared to the previous year. This growth represents a major breakthrough in energy systems development. Energy storage firms are the key drivers of this shift. They are building innovative technologies that can be used to store and share solar power, wind power, and other renewable sources in a much better way. These technologies are the key to the balance of supply and demand for energy, power grid stability and the dealing with unpredictable nature of renewable energy. This article will discuss 10 of the most influential energy storage companies from different countries that are making headway in the field.

Overview of Key Energy Storage Companies

The following ten energy storage companies are the worldwide leaders in transforming the energy landscape. With each company bringing its own unique blend of creativity, technology, and strategic thinking to the table, the companies work together to address the challenges of storing and integrating renewable energy. Their innovations are manifested in products ranging from the latest lithium-ion batteries to complex technologies for integrating with power grids. These innovations, in addition to being more effective in terms of energy use, also help to support sustainability in various industries. Considering the fact that they are the front-runners in this field, they are of great importance in the direction of greener and more effective energy systems, which is one of the most important roles in the industry.

Company NameFoundedHeadquartersKey Services
Keheng2008Shenzhen, ChinaLithium-ion battery manufacturing, energy storage batteries, energy storage systems
Tesla, Inc.2003Palo Alto, CA, USAElectric vehicles, energy storage systems, solar panels
Toshiba Corp.1875Tokyo, JapanLithium-ion batteries, energy storage systems, renewable energy solutions
Siemens AG1847Munich, GermanyEnergy storage systems, grid integration, renewable energy solutions
Panasonic1918Osaka, JapanLithium-ion batteries, energy storage systems, solar panels
Northvolt AB2016Stockholm, SwedenLithium-ion battery manufacturing, battery systems, recycling
Johnson Controls1885Cork, IrelandEnergy storage systems, building management systems, HVAC systems
NEC Energy Solutions2014Westborough, Massachusetts, USAEnergy storage systems, grid integration, renewable energy solutions
ABB Ltd.1988Zurich, SwitzerlandEnergy storage systems, grid integration, renewable energy solutions
LG Chem1947Seoul, South KoreaLithium-ion batteries, energy storage systems, battery management systems

Keheng (China)

energy storage companies

Recommendation Rating: ☆☆☆☆☆

Founded: 2008

Headquarters: Shenzhen, China

Key Services: Lithium-ion battery manufacturing, energy storage batteries, energy storage systems

Service Area: Global

Certifications: UL1973, UL9540, CE, MSDS, UN38.3, IEC

Keheng has emerged as a leading company in the global energy storage industry. The company is well-renowned for its advanced lithium-ion batteries and comprehensive energy solutions with peak load and stability controls. Its modern factory, which is spread over 6,200 square meters, consists of eight advanced automated production lines. This equipment allows Keheng to design and build a variety of energy storage systems of high standard to satisfy residential, commercial, industrial and marine uses.

The major advantage of Keheng is its team of over 500 highly qualified engineers. This team is devoted to innovation and excellence. They carry out rigorous testing for each product that is in compliance with international standards such as UL1973, UL9540, CE, MSDS, UN38.3 and IEC. Furthermore, Keheng exports to more than 120 countries, which is a sign of its international reputation and global coverage.

Keheng’s products are multi-purpose and sturdy, which can run smoothly in the temperature range from -20°C to 60°C. They are so confident in the longevity and performance of their batteries that they will provide you with a 15-year warranty on them. Keheng also offers a wide range of customization options, both OEM and ODM, to meet individual customers’ requirements. They offer a range of battery designs, including wall-mounted units that can replace Tesla Powerwall units, stackable units, and large-scale containerized systems. These systems are suitable for use with most inverters. Keheng has modular design which supports customized storage capacity ranging from kWh to MWh, making it the number one choice for sectors that require reliable and scalable energy storage.

Tesla, Inc. (America)

energy storage companies

Recommendation Rating: ☆☆☆☆☆

Founded: 2003

Headquarters: Palo Alto, California, United States

Key Services: Electric vehicles, energy storage systems, solar panels

Service Area: Global

Certifications: ISO9001, ISO14001, OHSAS18001

Tesla, Inc. , a well-known American company, has not only revolutionized the electric vehicle industry but also has made considerable progress in the energy storage sector. The company’s energy storage division is growing fast and it is providing products that can satisfy different power needs from homes to industries. Tesla’s energy storage products consist of the Powerwall for households, the Powerpack for commercial and utility projects, and the Megapack for large-scale storage requirements. The Megapack is especially game-changing, with the storage capacity reaching up to 3 MWh and the inverter capacity of 1. 5 MW. The design is ready to be installed and the setup of a 250 MW, 1 GWh clean power plant is done in less than three months.

Tesla’s innovation and efficiency have created a powerful brand position in the market. Its energy storage systems, which accounted for 10% of the global shipments in the first half of 2023, were dominated by the Megapack, which held about 30% of the global market share for battery energy storage. To meet the growing demand, Tesla is expanding its production capacities, for example, a 40 GWh Megapack factory in Lathrop, California, and a planned factory in Shanghai, China.

Despite the fact that Tesla’s energy storage business is smaller compared to its electric vehicle sector, it is rapidly growing. In 2023, the revenue from this segment surpassed $1 billion for the very first time, demonstrating the effectiveness of the company’s strategic market investments. While the world is moving towards renewable energy, Tesla’s innovative energy storage solutions are expected to be a vital part of this global transition towards a sustainable world.

Toshiba Corporation (Japan)

energy storage companies

Recommendation Rating: ☆☆☆☆

Founded: 1875

Headquarters: Tokyo, Japan

Key Services: Lithium-ion batteries, energy storage systems, renewable energy solutions

Service Area: Global

Certifications: ISO9001, ISO14001, OHSAS18001

Toshiba Corporation, a leading Japanese multinational group, has been in the lead of the energy storage industry with its cutting-edge SCiB technology. These advanced lithium-ion batteries are known for their rapid charging, long life, and high safety, hence, they are suitable for electric vehicles, industrial applications, and energy storage systems. Toshiba’s energy storage solutions, using SCiB technology, are particularly suitable for combination with renewable sources like solar and wind, and they ensure efficient energy storage and distribution.

Toshiba, through its commitment to innovation and global presence, works with partners globally to keep its storage technologies up to date. The world is moving towards a sustainable future and Toshiba’s advanced energy storage technology is set to be a key player in the adoption of renewable energy and energy efficiency across various sectors.

Siemens AG (Germany)

energy storage companies

Recommendation Rating: ☆☆☆☆☆

Founded: 1847

Headquarters: Munich, Germany

Key Services: Energy storage systems, grid integration, renewable energy solutions

Service Area: Global

Certifications: ISO9001, ISO14001, OHSAS18001

Siemens AG, the biggest european industrial manufacturer, is one of the leaders in the energy sector, drawing on its vast experience in this field to provide state-of-the-art energy storage technologies. The company’s varied product portfolio includes state-of-the-art lithium-ion batteries, complex flow batteries, and efficient thermal storage systems. These technologies are key to the stability of the grid and the integration of renewable energy sources, which is Siemens’ commitment to a sustainable energy future.

Siemens’ energy storage solutions are based on the Siestorage system. This system is notable for its modularity and scalability, which allow for fine-tuning to meet the diverse requirements of different energy storage projects, including small-scale residential setups to large-scale industrial and utility operations. The flexibility of the Siestorage system allows it to be adapted to the specific energy needs and challenges of each customer, and thus energy usage and efficiency are optimized.

Siemens keeps the lead in the energy storage market by investing in research and development. This emphasis on the constant technological advancement is aimed at improving the cost-effectiveness and reliability of energy storage solutions. Siemens, by pushing technological boundaries, not only supports the global transition towards renewable energy but also strengthens its leadership in the energy storage industry with systems that are not only sustainable but also powerful.

Panasonic Corporation (Japan)

energy storage companies

Recommendation Rating: ☆☆☆☆

Founded: 1918

Headquarters: Osaka, Japan

Key Services: Lithium-ion batteries, energy storage systems, solar panels

Service Area: Global

Certifications: ISO9001, ISO14001, OHSAS18001

Panasonic Corporation, a renowned Japanese electronics giant, has been making significant contributions to the energy storage industry. The company’s expertise in lithium-ion battery technology has positioned it as a key player in the market, with a focus on developing efficient and reliable battery storage solutions for both residential and commercial applications.

One of Panasonic’s notable offerings is its line of energy storage systems, which are designed to seamlessly integrate with solar panels, enabling customers to optimize their energy usage and reduce their reliance on the grid. These systems are known for their high performance, durability, and safety features, making them a popular choice among homeowners and businesses alike.

In addition to its energy storage solutions, Panasonic has been actively involved in research and development efforts aimed at advancing battery technology. The company’s collaborations with industry partners and academic institutions have led to the development of innovative materials and designs that promise to enhance the efficiency and longevity of energy storage systems. With its strong commitment to sustainability and its global presence, Panasonic is well-positioned to continue shaping the future of the energy storage industry.

Northvolt AB (Sweden)

energy storage companies

Recommendation Rating: ☆☆☆☆

Founded: 2016

Headquarters: Stockholm, Sweden

Key Services: Lithium-ion battery manufacturing, battery systems, recycling

Service Area: Europe Certifications: ISO9001, ISO14001

Northvolt AB, a startup established in 2016, is revolutionizing the energy storage sector by producing what they call “the world’s greenest battery.” The enterprise focuses on developing and manufacturing lithium-ion battery systems. Renewable energy is their company’s goal, and they aim to help Europe transition to it. They do so in a unique way by developing a new method of battery manufacturing that focuses on the recycling of batteries and the utilization of renewable materials.

The Northvolt Ett plant in Skellefteå, Sweden, which is the main facility of the company, is the crown jewel of sustainability. The facility is fully powered by green energy and is considered to be a benchmark for eco-friendly manufacturing. Northvolt’s batteries are not only about standard lithium-ion but also have some other products. They also comprise some of the most advanced sodium-ion and lithium-metal batteries. Such batteries can be used in a broad spectrum of applications, from electric vehicles to grid storage. The product line exhibits the company’s priority on high performance, the environment, and budget friendliness.

The influence of Northvolt may be seen in its growth strategy and great successes. The firm just signed a $5 billion debt refinancing deal to increase the capacity of the Northvolt Ett project. This deal is Europe’s largest green loan since its inception. Moreover, in 2023 Northvolt released a technology breakthrough in sodium-ion battery. This battery is created for scaled and durable energy storage and it is the evidence of continuous progress. In this way, Northvolt is expanding the boundaries of its business and its prospects. The company is the pioneer of a clean energy technology application in Europe and is a considerable contributor to the worldwide shift towards sustainable energy practices.

Johnson Controls (Ireland)

energy storage companies

Recommendation Rating: ☆☆☆☆

Founded: 1885

Headquarters: Cork, Ireland

Key Services: Energy storage systems, building management systems, HVAC systems

Service Area: Global

Certifications: ISO9001, ISO14001, OHSAS18001

The company Johnson Controls has been one of the major players in the field of developing large-scale energy storage systems that play an important role in the functioning of critical infrastructure. They have just now made a leap forward by bringing about the next-generation lithium-ion batteries. These batteries have a higher power density and longer duration, which are an ideal fit for commercial and industrial needs. In addition, the firm is developing flow battery technology, based on their main principles of productivity, security, and sustainability. This kind of technology gives longer discharge times than traditional batteries, providing a green alternative for large-scale energy storage.

Johnson Control has started software and technologies in building management that are innovative. They work with building energy systems to boost the energy efficiency of buildings. For instance, their Metasys® Building Automation System provides instantaneous HVAC, lighting, security, and fire protection systems monitoring and control from one point of access. The application of this system not only enhances operational efficiency but also reduces energy costs by utilizing real-time data to adjust energy usage.

In addition, the company is devoted to the improvement of its operational sustainability and products. This involves using low-carbon inputs in their manufacturing processes as well as the development of products with smaller environmental footprints and higher energy efficiency. The production of new batteries from old ones and the development of thermal energy storage show how the company is committed to environmental protection and sustainable development.

NEC Energy Solutions (America)

energy storage companies

Recommendation Rating: ☆☆☆☆

Founded: 2014

Headquarters: Westborough, Massachusetts, United States

Key Services: Energy storage systems, grid integration, renewable energy solutions

Service Area: Global

Certifications: ISO 9001, ISO 14001

Established in 2014 and physically based in Westborough, MA, NEC Energy Solutions is a subsidiary of the multinational NEC Corporation. This firm has a reputation for its energy storage systems that are on the cutting edge. It is focused on integrating renewable energy sources into the power grid. This integration provides stability and ensures that countries across the world have back-up power. The company’s services point out the vital importance of storing energy in the process of making the future sustainable.

NEC Energy Solutions’ winning streak is manifested in the setting up of Europe’s largest energy storage facility. Commenced in June 2018, as part of EnspireME project in Jardelund, Germany, it is the largest such system in the world which is capable of storing around 50 MWh of energy. It performs a key function in stabilizing the European power system. The system participates in the primary reserve market, which helps to maintain the grid stability and the integration of the local renewable sources, for example, wind farms. This increase their productivity and quality.

The intelligence behind NEC’s storage solutions is what makes the company a success. These include the Distributed Storage Solution (DSS) platform and the AEROS® software for energy control. The DSS platform’s flexibility allows it to be tailored to a wide range of purposes such as residential backups and large industrial systems. This flexibility and the firm’s high quality and customer focus are the reasons why NEC is a leader of renewable energy industry in the world.

ABB Ltd. (Switzerland)

energy storage companies

Recommendation Rating: ☆☆☆☆

Founded: 1988

Headquarters: Zurich, Switzerland

Key Services: Energy storage systems, grid integration, renewable energy solutions

Service Area: Global

Certifications: ISO 9001, ISO 14001, OHSAS 18001

With headquarters in Zurich, Switzerland, ABB Ltd. has been a leader in technological innovation for the past 34 years since it was established in 1988. The enterprise is proficient in both power and automation disciplines. ABB is now an important actor in the global energy market by providing energy storage solutions for large-scale projects. It is aimed at doing this by storing renewable resources in an effective manner and enhancing grid reliability with its cutting-edge energy storage systems.

At the heart of ABB energy storage solutions is the ABB Ability™ platform. This platform integrates the ABB’s longstanding industry expertise with the latest digital technologies. It makes it possible to supervise and control the energy storage systems from a distance, which in turn ensures that they perform at their best. The incorporation of advanced analytics and control systems of ABB Ability™ into energy storage installations optimizes their output. These systems are the major stabilizing factor of the grid and enable the smooth introduction of renewable sources of energy.

ABB’s involvement in innovation doesn’t stop at the concept of sustainability and energy efficiency. The company’s energy storage systems are meant for a wide range of applications from big grid projects to small microgrids. The company has set the bar high by following the strict standards like of ISO 9001, ISO 14001 and OHSAS 18001, which lead in technology and the adherence of the highest safety, environmental and health management practices. This leadership is the core factor in the global transition towards a low carbon energy system.

LG Chem (South Korea)

energy storage companies

Recommendation Rating: ☆☆☆☆☆

Founded: 1947

Headquarters: Seoul, South Korea

Key Services: Lithium-ion batteries, energy storage systems, battery management systems

Service Area: Global

Certifications: ISO 9001, ISO 14001, OHSAS 18001

LG Chem located in Seoul, Republic of Korea is a leading chemical company in the world with a well-established reputation for energy-related solutions in particular in lithium-ion batteries. The company being a key participant in the ess market caters to various applications ranging from residential to utility scale projects. LG Chem offers batteries that are renowned for their reliability, high efficiency and cutting-edge technology.

One of the most evident innovations of LG Chem is the RESU (REsidential Energy Storage Unit), which has become a favorite of homeowners. These units are designed to maximize energy efficiency by storing surplus solar energy that gets collected during the daytime when there is maximum sunlight and using it when the demand is higher. This allows the facility to be off-grid and also lowers the electricity costs. The RESU product line is a clear statement by LG Chem about the importance of sustainable life and energy independence.

Innovation still plays a central role in LG Chem. The organization devotes a considerable amount of resources for research and development to achieve breakthroughs in the field of energy storage. Their work on developing the battery management systems improves the performance of their products and prolongs their life. This technological breakthrough not only solidifies LG Chem’s role in the energy sector but also fits into the worldwide environmental trends that focus on sustainability and renewable energy implementation.

Comparative Analysis of Energy Storage Technologies

Energy storage systems are vital for balancing supply and demand, enhancing grid stability, and enabling the integration of renewable energy sources. These systems are particularly crucial in North America, where states like Texas, Florida, Nevada, and Arizona are rapidly increasing their renewable energy capacity to manage peak load demands and improve grid stability. Below is a comparative table that outlines the main technologies used in energy storage to help understand their effectiveness and suitability.

TechnologyEnergy Density (Wh/kg)Cycle Life (number of cycles)Efficiency (%)Application ScopeCost per kWh ($)Safety Level
Lithium-Ion Batteries100 – 265500 – 10,00085 – 90Portable electronics, EVs, Grid100 – 250High
Lead-Acid Batteries30 – 50500 – 1,00080 – 85UPS, Emergency lighting, Grid150 – 200Moderate
Flow Batteries20 – 4010,000 – 20,00070 – 85Large scale utilities, Canada200 – 500High
Sodium-Sulfur Batteries150 – 2402,500 – 4,50080 – 90Grid storage, Renewable integration300 – 500Moderate
Flywheel StorageN/AUnlimited85 – 95Grid frequency regulation, UPS200 – 450High
Thermal StorageN/AN/A20 – 50HVAC, Industrial processes10 – 50High

These energy storage solutions play a critical role in achieving maximum energy efficiency and ensuring power supplies remain stable and sufficient to meet consumer demands. They are essential for small businesses and larger industries alike, adapting to various customer needs across the region.


The energy storage industry is experiencing significant growth as the world transitions towards renewable energy sources. The 10 essential energy storage companies highlighted in this article are at the forefront of this transformation, offering innovative solutions that enable the efficient storage and distribution of clean energy.

From lithium-ion batteries to flow batteries and thermal storage systems, these companies are developing a wide range of technologies to meet the diverse needs of the energy storage market. As the demand for energy storage continues to rise, these companies are well-positioned to play a crucial role in shaping a sustainable future powered by renewable energy.


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1 thought on “10 Essential Energy Storage Companies to Know”

  1. ProxyDeals.com

    Hello! This post couldn’t be written any better! Reading this post reminds me of my good old room mate! He always kept talking about this. I will forward this post to him. Pretty sure he will have a good read. Thank you for sharing!

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