BASF has unveiled a groundbreaking green hydrogen plant at its Ludwigshafen site in Germany, marking a significant milestone in sustainable chemical manufacturing. The 54MW water electrolyser, the largest of its kind in Germany, has the capacity to produce one tonne of CO₂-free hydrogen per hour, totaling 8,000 tonnes annually. Developed in collaboration with Siemens Energy, the plant integrates 72 stacks of electrolysers directly into BASF's existing infrastructure. The project, named Hy4CHem, received substantial governmental support through the IPCEI Hydrogen initiative, with investments from both the government and BASF. The electrolyser is expected to slash BASF's emissions by up to 72,000 tonnes per year, a crucial step towards environmental sustainability. This initiative not only demonstrates a shift towards green hydrogen but also highlights the economic and regional impacts. BASF aims to supply hydrogen for mobility solutions in the Rhine-Neckar Metropolitan Region, supporting broader efforts towards a hydrogen economy and aligning with Rhineland-Palatinate's climate goals. The project showcases a practical approach to decarbonization in the chemical industry and serves as a model for other industrial facilities. The successful operation of the electrolyser signifies a move away from traditional hydrogen production methods, paving the way for a more sustainable future in chemical manufacturing.