Located in Napa County, California, Energy Vault’s new Calistoga Resiliency Center (CRC) is designed to operate independently during scheduled safety outages. The microgrid will feature lithium-ion batteries and green hydrogen fuel cells capable of delivering up to 8.5 MW for 48 continuous hours.
This capacity will allow the entire community to remain supplied when PG&E (Pacific Gas and Electric) must shut off power due to a fire risk. The CRC will store energy for several days prior to the shutdown to respond immediately in isolation situations.
[post_relacionado]The array will be managed by VaultOS™ , Energy Vault’s proprietary software, which coordinates operations between the B-VAULT™ batteries and H-VAULT™ hydrogen units. This architecture eliminates reliance on diesel generators , aligning with California renewable energy standards.
Each component was designed to precisely meet the demands of a local microgrid, including black start and grid balancing, essential functions in Public Safety Power Shutoff (PSPS) events.
The Calistoga Resiliency Center responds to a real crisis
The project emerged as a direct response to the increasing frequency of wildfires . In this context, Calistoga represents a replicable pilot: vulnerable communities can ensure access to electricity without relying on the central grid or emitting polluting gases.
With an investment of $28 million , the plant will enter commercial operation during the second quarter of 2025.
This won’t be the only deployment of the technology. The company has already confirmed agreements for new installations in Texas, strengthening a portfolio that seeks to bring energy stability to at-risk regions.
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Source and photos: Energy Vault