ESS Tech (NYSE:GWH) (NYSE: GWH) develops and commercializes long-duration energy storage systems based on its proprietary iron flow battery technology. The company’s products are designed to address the growing need for reliable, safe, and sustainable energy storage solutions that can store renewable power for multiple hours or days. ESS Tech’s iron-based chemistry offers nonflammable operation, long cycle life and minimal environmental impact, making its offerings well suited for utility-scale storage, microgrids and backup power applications.
Founded in 2011 and headquartered in Wilsonville, Oregon, ESS Tech has assembled a team of engineers and energy industry veterans focused on bringing grid-scale flow batteries to market. In 2021, the company completed a public listing on the New York Stock Exchange, expanding its access to capital for product development and global deployment. Since inception, ESS Tech has continued to iterate on its second-generation (Gen2) and third-generation (Gen3) systems, enhancing energy density, reducing balance-of-plant footprint and driving down levelized cost of storage.
ESS Tech serves customers across North America, Europe and Asia Pacific, with regional offices in Germany and Spain to support project development and service activities. The company partners with utilities, independent power producers and commercial & industrial energy users seeking multi-hour and multi-day storage solutions to integrate wind and solar capacity, reduce reliance on fossil-fuel peaking plants and bolster grid resilience. ESS batteries have been deployed in demonstration and commercial projects ranging from community microgrids to large utility portfolios.
Leadership at ESS Tech is headed by CEO Craig Evans, whose background spans energy storage, cleantech venture capital and management of technology scale-ups. The executive team includes experts in electrochemistry, power electronics and global project delivery, supported by a board with seasoned directors from the energy and financial sectors. Together, they aim to accelerate the transition to renewable energy through cost-effective, long-duration storage technologies.
