Energy Vault Begins Construction of the Largest Green Hydrogen Long Duration Energy Storage System in the U.S.


Hybrid Green Hydrogen plus Battery energy storage system will be capable of powering approximately 2,000 electric customers within PG&E’s Calistoga microgrid for up to 48 hours (293 MWh of carbon-free energy) Project supported by a 10.5-year tolling agreement; Commercial operation expected by the end of Q2 2024, solidifying Energy Vault’s…

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