ESS' energy warehouse is a containerized long-duration energy storage system powered by iron flow batteries. LDES systems can store energy for long periods for future dispatch, often as long as eight to 12 hours, compared to shorter-duration lithium ion chemistries. Air Force at a site where extended storage hardware will link with microgrid software to integrate multiple onsite systems. With the aim of creating resilient and decentralised energy systems for field installations and logistics applications, the Defense. Wilsonville, Ore. – January 15, 2024 – ESS Tech, Inc. The agreement supports the DIU's Stable Tactical Expeditionary Electric Power (STEEP) program to produce energy management solutions and tactical microgrids in. The new system will help both the Ellsworth Air Force Base and the surrounding community remain resilient in case of power outages For military bases, access to secure and reliable energy is mission critical.