100 MW hybrid ESS set for Sardinia

A 100 MW hybrid gravity and battery ESS will use the mine shafts of large underground coal mine on the Italian island of Sardinia to offer a novel energy storage solution, in an 80/20 mix of BESS and gravity. From ESS News Swiss-based Energy Vault and Italian coal miner Carbosulcis have announced a plan to develop a 100 MW hybrid gravity energy storage system within an underground coal mine and its 500m deep mine shafts. Energy Vault has been working on a water-based hydro-storage gravity system designed specifically for underground mines, and the Sardinian government-owned coal mine, located ...

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