CATL Launches Groundbreaking Sodium-Ion Energy Storage System

On June 22, 2026, CATL revealed the TENER Sodium Energy Storage System in Munich, a pioneering sodium-ion solution now commercially viable. The product is set to achieve 1 GWh in shipments by year-end 2026, with global deliveries commencing in June 2027. This innovation addresses the limitations of traditional lithium systems by offering enhanced performance and safety through sodium's abundance and cost-effectiveness.

William Wu of CATL's Energy Storage Technology Center emphasized sodium's strategic role alongside lithium for future energy storage. The TENER Sodium's modular architecture simplifies project deployment and allows for customizable storage durations, reducing maintenance costs and project overheads.

The system boasts advanced features, like a Bi-DC voltage regulation system and an efficient BMS, enhancing efficiency and flexibility. CATL's decade-long investment in sodium-ion R&D underscores its significant leap forward in energy storage, marking sodium-ion's entry into large-scale commercial use.