CATL debuts 9MWh TENER Stack, the worlds first ultra-large energy storage system. This groundbreaking solution marks a strategic leap in capacity, deployment agility, safety, and logistics efficiency, setting new benchmarks for the energy. 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. Customize your container according to various configurations, power outputs, and storage capacity according to your needs. The 9 MWh system supports both centralized and string power conversion system architectures, offering flexibility for a range of deployment scenarios. The company revealed the next-gen product at ees Europe 2025.