Energy Vault | Calistoga, CA CORE Safety has been proud to provide safety staffing support on the world's largest utility-scale energy storage vault project. The Calistoga Resiliency Center (CRC) based in Calistoga CA, is a hybrid hydrogen and battery energy storage storage system, dispatching clean energy on demand. CORE's safety staffing services have included supporting the contractor with observing and reporting compliance with their site specific safety program, conducting daily inspections, reviewing Job Hazard Analysis (JHAs), and conducting weekly safety meetings. View All Projects