University of Kassel Leads 'Flexilience' Project to Boost Climate-Resilient Water Supply
The University of Kassel, local water supply companies, and climate research institutes have joined forces in the 'Flexilience' project. Launched in March 2025, this initiative aims to ensure a reliable drinking water supply for Kassel and Vellmar under climate change stress. The project, funded by the Federal Ministry of Education and Research, also explores integrating water hydrogen production and demonstrating energy-saving and storage potential.
The research consortium, led by Prof. Dr.-Ing. Tobias Morck and press spokesperson Sebastian Mense, seeks to increase water yield and flexibility in the supply. They plan to test producing hydrogen from filter backwash water using an electrolyzer with a special filter membrane at the Tränkeweg waterworks. Additionally, researchers are examining the long-term use of spring water from the Habichtswald and testing a novel 'ultrafiltration plant' to filter turbid spring water, saving energy.
The project also investigates using pumping and storage systems as an energy battery, similar to a pumped storage power plant. Partners in the project include Stadtwerke Netz + Service, Fraunhofer IEE, Technology Centre for Water TZW, EnWaT GmbH, and Oppermann GmbH. The goal is to make the water supply climate-resilient, with results transferable to water suppliers throughout Germany and Europe.
The 'Flexilience' project, addressing Germany's ongoing drought, aims to enhance the water supply's resilience to climate change. By exploring innovative solutions like hydrogen production and energy-efficient filtration, the project seeks to ensure a reliable water supply for Kassel, Vellmar, and potentially other regions in Germany and Europe.
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