The article discusses the growing importance of ion exchange membranes in the green energy sector, particularly in the context of hydrogen fuel cells, water electrolyzers, and redox flow batteries. Ion exchange membranes, specifically perfluorinated ion exchange membranes, are highlighted for their role in proton exchange membrane fuel cells (PEMFCs) used in transport and stationary energy storage applications. The market for ion exchange membranes is expected to expand significantly, driven by the increasing demand for green hydrogen production globally. The article also emphasizes the potential of water electrolyzers in meeting the rising demand for green hydrogen, with over 75 countries announcing national hydrogen strategies. It discusses the dominance of perfluorosulfonic acid membranes in proton exchange membrane electrolyzers (PEMEL) and the emergence of anion exchange membrane electrolyzers (AEMELs) as a new technology poised for growth. Furthermore, the role of ion exchange membranes in redox flow batteries, particularly vanadium RFBs (VRFBs), is highlighted. Cation exchange membranes are crucial for the efficient operation of RFBs, with vanadium RFBs driving significant demand for these membranes by 2030. In conclusion, the article paints a positive outlook for the ion exchange membrane market, with key players preparing to meet the increased demand for these specialty polymers in various green energy applications. The innovation in membrane design and materials is expected to drive further advancements in the green energy revolution, making ion exchange membranes indispensable components of future energy systems.