CATL opens ‘world’s largest’ energy storage testing platform in China
energy-storage.news Jun 1, 2026

CATL opens ‘world’s largest’ energy storage testing platform in China

AI-summarised brief · reviewed before publication

CATL has opened what it describes as the "world's largest and most comprehensive testing and validation platform for energy storage systems" at its headquarters in Ningde, China. The facility spans over 100,000 square meters and simulates real-world operating conditions for battery energy storage systems across multiple grid applications. CATL aims to offer testing services to external clients, marking a shift toward open-access testing services in the sector. The platform is designed to reduce technical risk for lenders and improve project financing terms.

💡 Why It Matters

  • · The launch of CATL's testing platform sets a new industry standard for performance validation, particularly in markets where regulatory frameworks for energy storage testing remain underdeveloped.
  • · By offering transparent and standardized testing, CATL can help reduce technical risk and improve project financing terms, making it a crucial development for the growth of the energy storage sector.