Demonstrating the critical role of Hydrostor’s advanced compressed air energy storage for the region’s long term energy security and reliability Advanced Compressed Air Energy Storage Being deployed at Silver City BROKEN HILL, AUSTRALIA, Dec. 07, 2023 (GLOBE NEWSWIRE) -- Hydrostor, a global long duration energy storage (LDES) developer and operator, has reached an Agreement with Transgrid, which will see the 200MW/1600MWh Silver City Energy Storage Project (Silver City) provide back-up power to