Deploying 800MWh of storage capacity with TENER Stack reduces the number of containers required by nearly one-third compared to traditional 6MWh systems, while increasing land-use efficiency by 40%, ultimately cutting total station construction costs by 20%. . Today, the company unveiled a 20-foot-tall energy storage system (ESS) called the TENER Stack, which, according to CATL, offers breakthroughs in storage capacity, deployment flexibility, safety, and transportation efficiency. It also has the energy storage capabilities to charge 150 EVs. As the. . On May 7th, 2025, CATL has unveiled the world's first mass-producible 9MWh ultra-large-capacity energy storage system solution, TENER Stack, setting a new industry benchmark with its groundbreaking technology. This innovation marks another milestone for CATL in the energy storage sector, following. . Tener Stack is capable of charging around 150 EVs or powering an average home for six years. The system is called the TENER Stack. This isn't simply a larger container.