World’s largest vanadium flow battery goes online in China
A giant solar-plus-vanadium flow battery project in Xinjiang has completed construction, marking a milestone in China’s pursuit of long-duration, utility-scale energy storage. July 4, 2025 Vincent Shaw Image: Image: WeChat, Xinjiang local government From ESS News China has completed the main construction works on the world’s largest vanadium redox flow battery (VRFB) energy storage project. The project, backed by China Huaneng Group, features a 200 MW/1 GWh VRFB system paired with a 1 GW sol...





