Exion Hydrogen Founded in 2021, Exion Hydrogen is a Polish company specializing in pressurized, containerized ALK/PEM water electrolyzer solutions. Its headquarters and production facility are located in Gdańsk, Poland, while its R&D center is based in Turnhout, Belgium. IDTechEx interviewed Exion Hydrogen at the Hydrogen & Carbon Capture World Expo 2025 in Hamburg, Germany. Exion Hydrogen