en.Wedoany.com Reported - A battery storage project planned in southwestern Germany could become one of the first utility-scale deployments of zinc-bromine technology in Europe, as developers seek alternatives to lithium-ion systems for long-duration stationary applications.
Located in Bruchsal, the project is being developed by Capac Energy in collaboration with municipal utility Stadtwerke Bruchsal, Triwo AG, and JP Holding at the Triwo Technopark. Capac Energy told pv magazine that the installation will include 36 battery containers, providing 5 MW of power and 22 MWh of storage capacity, and is scheduled to begin operations by the end of 2026.
The project will use battery systems supplied by U.S. manufacturer Eos Energy Enterprises. The two companies stated that the zinc-bromine technology avoids the use of lithium, cobalt, and nickel, and is designed for stationary applications requiring frequent charge-discharge cycles. They cited advantages including a non-flammable water-based chemistry, low degradation rates, and an expected lifespan of over 25 years.
The battery system is designed to operate as a standalone infrastructure asset, generating revenue from electricity trading, flexibility services, and ancillary service markets through automated optimization.
Additionally, Capac Energy and Eos Energy Enterprises have signed an exclusive supply agreement covering Germany, Austria, and Switzerland (the DACH region), valid until the end of 2031. The framework agreement includes a total capacity of 2 GWh of battery systems, with Capac responsible for project development, construction, and operation in Germany, Austria, and Switzerland.
The two companies indicated that other projects in Germany are already under construction or development and are also expected to be operational by the end of 2026. The partnership aims to expand Europe's utility-scale energy storage technology portfolio beyond lithium-ion systems while reducing reliance on Asian supply chains. Capac Energy (formerly Nala Energy) is positioning itself as a system integrator for large-scale stationary storage projects.
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