Containerized Battery Energy Storage System (BESS) Companies - CATL (China) and BYD (China) are the Key Players
The global containerized BESS market is projected to be valued at USD 13.87 billion in 2025. It is estimated to reach USD 35.82 billion by 2030, growing at a CAGR of 20.9% during the forecast period. The containerized BESS market is witnessing robust growth driven by the rising need for grid stability, renewable energy integration, and distributed energy storage. Governments and utilities increasingly deploy these modular systems to manage peak load, enable frequency regulation, and enhance energy resilience. Supportive policy frameworks, such as storage mandates, tax incentives, and clean energy targets, are accelerating adoption across developed and emerging economies alike. Simultaneously, advancements in lithium-ion and alternative chemistries, along with declining battery costs, are improving the cost-efficiency and scalability of containerized storage. Growing investments in smart grid infrastructure, coupled with the proliferation of electric mobility and decentralized solar and wind installations, are expanding the use cases for containerized BESS across commercial, industrial, and utility-scale applications.
Major players operating in the containerized BESS market: Tesla (US), CATL (China), BYD (China), Honeywell International, Inc. (US), and Eaton (Ireland). To strengthen their global presence and capture a larger share of the containerized BESS market, these companies are actively pursuing both organic and inorganic growth strategies. These include capacity expansions, strategic collaborations, technology partnerships, new product developments, and mergers and acquisitions. Through these efforts, they have successfully expanded their manufacturing footprint, entered emerging markets, and enhanced their supply chain capabilities to meet rising global demand across electric mobility, energy storage, and industrial applications.
Major Containerized Battery Energy Storage System (BESS) Companies Include:
- Tesla (US)
- CATL (China)
- BYD (China)
- Honeywell International, Inc. (US)
- Eaton (Ireland)
Contemporary Amperex Technology Co., Limited. (China): Contemporary Amperex Technology Co. Limited (CATL) stands out as one of the most influential players in the global battery market, with a strong presence across electric mobility and energy storage applications. The company has established a comprehensive value chain spanning battery materials, cell manufacturing, battery management systems, recycling, and second-life applications, positioning itself as a vertically integrated leader. CATL’s solutions cater to a broad range of sectors, including electric vehicles, power grids, telecommunications, and residential energy systems. The company is actively pursuing organic innovation and inorganic initiatives to strengthen its market position. In May 2025, CATL introduced the TENER Stack, a 9 MWh ultra-large capacity energy storage system aimed at utilities and AI data centers seeking efficient and transportable solutions. As part of its inorganic growth efforts, CATL partnered in April 2025 with the Ministry of Transport and the Highway Research Institute to advance battery swapping infrastructure for electric freight transport. With ten production bases and five RD centers across China and Japan, CATL is well-positioned to support the industry’s shift toward cleaner energy and greater grid resilience.
BYD (China): BYD is a high-tech enterprise in China and a pioneer in battery technology. The company operates through two business segments: Mobile Handset Components, Assembly Service and Other Products; and Automobiles and Related Products, and Other Products. The company offers containerized BESS products through its Automobiles and Related Products and Other Products business segments. Additionally, the company provides multiple lithium-ion battery products, including lithium-ion cells, battery packs, and Li-Polymer batteries. It also provides energy storage solutions for commercial, utility, and residential applications. In addition, the company offers large-scale energy storage systems, distributed energy storage systems, and micro-grid systems.
BYD Company Ltd. is listed on the Hong Kong and Shenzhen Stock Exchange. The company’s lithium-ion batteries are widely used in various consumer electronics products. Samsung and Dell are the major clients of BYD Company Limited, which provides lithium-ion batteries. BYD Company Ltd. is one of the world’s leading producers of rechargeable batteries, including NiMH batteries, lithium-ion batteries, and NCM batteries. BYD owns the complete supply chain layout from mineral battery cells to battery packs. These batteries find applications in consumer electronics, new energy vehicles, and energy storage systems. The company has a presence in the Asia Pacific, the Americas, and Europe.
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Market Ranking
The containerized BESS market is comparatively competitive, with the key participants, namely, CATL (China), BYD (China), Tesla (US), Honeywell International, Inc. (US), and Eaton (Ireland) collectively accounting for approximately 40% to 50% of the global market share. CATL leads the industry due to its large-scale production capabilities and strong foothold in energy storage systems. BYD benefits from its vertically integrated operations and dominant position in China’s EV market. Tesla has secured its presence through global joint ventures with major power producers. These companies continue to shape the competitive landscape through investment in innovation, capacity expansion, and strategic collaborations.
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