The quest for sustainable energy solutions has placed green hydrogen firmly in the spotlight, with electrolysis – splitting water into hydrogen and oxygen using renewable electricity – emerging as a key production method. Central to this process are electrolyzers, and numerous startups are innovating to make them more efficient, cost-effective, and scalable. While modular designs have become a common theme, allowing for flexible capacity expansion, newcomer Fourier is pushing this concept to a new level by drawing inspiration from an industry renowned for its scalability and