Cost forecast for low temperature electrolysis

Fossil-free hydrogen production by water electrolysis is a key technology for a future sustainable energy system since hydrogen enables sector coupling and thus simplifies decarbonization of sectors with high carbon dioxide emissions while supporting the implementation of intermittent renewable energy sources. Supported by the recent realization that necessary measures in climate protection must be implemented more quickly and consistently, considerable efforts are currently being started worldwide to make electrolysis technology mature and economically competitive for large-scale use. In this context, a precise understanding of the cost structures of the most promising electrolysis technologies is important to take the correct measures and to further advance the technology in a targeted manner.