Researchers at Case Western Reserve University are scaling up a prototype iron-flow battery to provide cleaner and cheaper power when renewable energy sources are ebbing or demand is peaking. The ...

Iron-sodium batteries have quietly crossed a threshold that grid planners have been waiting on for years: a full-scale system has cleared factory testing and is now considered ready to move from the ...

ESS Tech, Inc. is a long-duration energy storage company, which specializes in iron flow battery technology. It develops long duration iron flow batteries for commercial and utility-scale energy ...

As the world moves toward cleaner energy sources, a major challenge remains: how do we store renewable energy for when we need it most? Current battery energy storage technologies are relatively ...

ESS Tech designs and manufactures iron flow batteries for use in long-duration energy storage. These batteries are made to address the needs of renewable energy projects and modernize the electric ...

US-based iron flow battery specialist ESS Tech, Inc. has announced the acquisition of the intellectual property and assets of VoltStorage GmbH, a German developer of iron-salt battery technology that ...

ESS Tech (NYSE:GWH), a company known for its iron flow long-duration energy storage batteries, released earnings for the second quarter of fiscal 2025 on August 14, 2025. The headline from the release ...