Nel Hydrogen Nel ASA is a leading manufacturer of both alkaline water electrolyzers (AWE) and proton exchange membrane (PEM) electrolyzers. Headquartered in Oslo Norway, Nel has manufacturing capacity in both Norway (AWE for 1 GW) and USA (PEM for 500 MW). IDTechEx caught up with Nel at the Hydrogen Technology & Carbon Capture Technology World Expo 2025 in Hamburg, Germany. Nel Hydrogen