Hitachi Energy has showcased the success of its HyFlex hydrogen-powered generator at the Port of Gothenburg's Majnabbe terminal in collaboration with Stena Line, Power Cell Group, Linde Gas, and the Port of Gothenburg. The two-week test demonstrated HyFlex as a viable energy source, providing clean electricity for ships at berth using green hydrogen. This initiative is a significant step towards sustainable port operations, aligning with new EU regulations for zero-emission technologies in ports. HyFlex, a cutting-edge system, is designed for flexibility and scalability, capable of mitigating significant amounts of diesel fuel consumption and CO2 emissions. The successful demonstration at the Port of Gothenburg highlights the potential of hydrogen as an energy carrier and the technical viability of fuel cell technology in port environments. The collaboration aims to explore new applications for HyFlex across different sectors, emphasizing its versatility and scalability in driving sustainable energy solutions. Hitachi Energy's innovative efforts, including the decarbonization of a construction site in the Port of Gothenburg, further showcase the potential of HyFlex in revolutionizing clean energy use in various settings.