Explore the Top 17 Battery Energy Storage Systems (BESS) companies of 2025, including Fluence, LG Energy Solution, Samsung SDI, Hitachi ABB Power Grids, TotalEnergies, Narada, Siemens Energy, GE Renewable Energy, Kokam, and VRB Energy.
This article highlights the top 10 manufacturers who have set benchmarks in the industry, providing an overview of their offerings and key features that make their power tool batteries a preferred choice worldwide.
Click through to explore the top 10 global ESS manufacturers in 2026. Jake Hertz is an Electrical Engineer, Technical Writer, and Public Relations specialist for the electronics and semiconductor industries.
The top five largest energy storage cell manufacturers in the first half are CATL, EVE Energy, REPT, Hithium, and BYD. CATL secured the top position with orders from major customers like Tesla and Fluence.
WALMER ENERGY specializes in photovoltaic energy storage systems, BESS solutions, mobile power containers, EMS management systems, commercial storage, industrial storage, containerized storage, and outdoor power generation for South African and African markets.