The article focuses on the establishment of a proton exchange membrane (PEM) electrolyzer manufacturing plant, emphasizing its importance in the green hydrogen sector. A PEM electrolyzer splits water into hydrogen and oxygen using electricity, offering high efficiency and compactness. The market for PEM electrolyzers is rapidly expanding due to the global push for decarbonization and the support for green hydrogen production. The technology's advantages, such as high-pressure hydrogen generation without separate compressors, are driving its adoption for various applications. The article details the key steps involved in setting up a PEM electrolyzer plant, including market analysis, product manufacturing processes, project requirements, and project economics. It also covers the advancements in technology that are enhancing the efficiency and cost-effectiveness of PEM electrolyzers. Overall, the sentiment of the article is positive, highlighting the growth opportunities and potential of PEM electrolyzer technology in the renewable energy landscape.