NANJING, Dec. 18 (Xinhua) -- China's first salt cavern compressed air energy storage facility, located in the city of Changzhou in east China's Jiangsu Province, started its expansion on Wednesday, said China Huaneng Group Co., Ltd.
Touted as the world's largest of its kind, the phase II project is expected to enable the power station to achieve the largest capacity globally and the highest level of power genera
