Eos Energy and FlexGen Partner for Integrated American-Made Stationary Storage Solution

EOSE
September 08, 2025
Eos Energy Enterprises, Inc. announced on December 19, 2024, a Joint Development Agreement (JDA) with FlexGen Power Systems. This partnership aims to develop and introduce America’s first fully-integrated, domestic Battery Energy Storage System (BESS) solution. The collaboration will combine Eos’s Z3™ batteries with FlexGen’s HybridOS™ Energy Management System (EMS), targeting a robust pipeline opportunity of over 50 GWh. This integrated solution is designed to reduce the complexity of developing, procuring, and operating grid-scale energy storage projects. Both companies emphasize the delivery of American-made technology, positioning this partnership to support the growing demand for domestically produced clean energy solutions. The combined offering is expected to provide a reliable, scalable, and customizable solution for various applications, from grid-scale to behind-the-meter systems. The content on BeyondSPX is for informational purposes only and should not be construed as financial or investment advice. We are not financial advisors. Consult with a qualified professional before making any investment decisions. Any actions you take based on information from this site are solely at your own risk.