Energy Vault, Jupiter Power Expand BESS Capacity in ERCOT with New 100 MW/200 MWh System

Energy Vault | 30 June 2025

Energy Vault Holdings Inc., a key player in grid-scale energy storage, and utility-scale battery storage developer Jupiter Power have moved forward with the deployment of an additional 100 MW/200 MWh Battery Energy Storage System (BESS) in the Electric Reliability Council of Texas (ERCOT) region. This follows the completion of a similar-sized BESS—100 MW/200 MWh—at the same site in July 2024.

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