Denmark's Green Hydrogen Systems A/S (<a href="https://www.nasdaqomxnordic.com/aktier/microsite?Instrument=CSE227439&name=Green%20Hydrogen%20Systems&ISIN=DK0061540341" target="_blank">CPH:GREENH</a>) and German engineering and services group Bilfinger SE (<a href="https://www.boerse-frankfurt.de/equity/bilfinger-se" target="_blank">ETR:GBF</a>) have decided to join forces for the development of green hydrogen project concepts with an electrolyser capacity of between 50 MW and 100 MW.