Prnewswire·2025-09-25 18:00Core Insights - The Calistoga Resiliency Center (CRC) is a pioneering microgrid platform developed by Energy Vault and PG&E to enhance power resiliency in California during Public Safety Power Shutoffs (PSPS) due to wildfire risks [1][2][3] Group 1: Project Overview - The CRC serves approximately 1,600 PG&E customers and features a 293 megawatt hour (MWh) microgrid system, providing at least 48 hours of continuous energy supply with a peak output of 8.5 megawatts (MW) during PSPS events [2][3] - The facility integrates hydrogen fuel cells with lithium-ion batteries, creating a zero-emission energy solution that aligns with California's Renewable Portfolio Standard (RPS) [2][3] Group 2: Technological Innovations - Energy Vault's VaultOS™ Energy Management System orchestrates the microgrid's performance, enabling black-start and grid-forming capabilities while coordinating with PG&E's Distribution Control Center [2][3] - The use of liquid hydrogen allows for extended runtime and cost-effective resiliency services without interrupting power supply [3] Group 3: Strategic Importance - The project is part of Energy Vault's "Own & Operate" strategy, which aims to deliver long-term value through recurring revenue and community impact [3][4] - The CRC serves as a model for future utility-scale hybrid microgrid deployments, showcasing a scalable and bankable solution for regions prone to wildfires [3][5] Group 4: Financial Aspects - The project was facilitated by $28 million in financing, including the sale of the Investment Tax Credit, demonstrating Energy Vault's ability to maximize capital efficiency [4] Group 5: Broader Context - PG&E has deployed 13 distribution microgrids since 2021, with the CRC being the largest and first fully renewable system, aimed at supporting essential services during outages [7] - PG&E is also investing in community-driven microgrid initiatives, committing up to $43 million for new projects in the North Coast region [8]