ESS Tech Inc.

Company Overview

ESS Tech Inc. is engaged in the business of providing LDES solutions using iron flow technology. It uses iron, salt, and water, providing energy security, reliability, and resilience to its battery technology. It builds flexible storage solutions that allow customers to meet increasing energy demand without power disruptions and maximize the value potential of excess renewable energy.

ESS Tech Inc. offers its product offerings to various end-use industries, including utilities, as well as commercial and industrial users, to enable reliable and resilient energy and maximize value through long-duration energy storage batteries. It has successfully deployed advanced LDES technology to various global utilities, including the Sacramento Municipal Utility District as well as Burbank Water and Power in California, Stanwell Corp. in Australia, CMS Energy in Michigan, and LEAG in Germany. It is among the first manufacturers to commercialize LDES technology in the U.S., with a strong focus on research and development capabilities.

Financial Highlights (FY 2025)

Company's Business Segments

• Energy Storage : The company provides energy storage solutions using iron flow technology that allow its customers to meet rising energy demand without power disruptions and maximize the value potential of excess renewable energy.