CATL Debuts World's First Field-Validated Sodium-Ion Energy Storage System
CATL unveiled the TENER Sodium Energy Storage System, the world's first real-world validated sodium-ion energy storage solution, in Munich, Germany.
1 GWh
30 MWh
60 GWh
What Happened
CATL unveiled the TENER Sodium Energy Storage System, the world's first real-world validated sodium-ion energy storage solution. The system delivers over 30 MWh of rated capacity on a modular architecture, with each module weighing about 42 tonnes. Only 34 units are needed for a 1 GWh site.
1 GWh
First commercial deliveries in China start September 2026, international in June 2027.
“Sodium and lithium together will form the twin foundations of the future energy storage system.”
Signed world's largest sodium-ion contract (60 GWh) with HyperStrong
Launched TENER Sodium system in Munich
First deliveries in China
International deliveries begin
Why this matters
Sodium-ion batteries use more abundant materials than lithium, reducing supply chain risks and costs, making large-scale energy storage more sustainable and accessible for renewable energy integration.
Terms in This Story
- BESS
- Battery Energy Storage System, a technology that stores electricity for later use.
- sodium-ion battery
- A type of rechargeable battery that uses sodium ions as charge carriers, similar to lithium-ion but with more abundant materials.
Summarised from the linked release; details can be imperfect — always verify against the original source.