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>) said on Thursday it has received an order to supply 8.1 MW of electrolysers from an existing customer in the UK, focused on renewable off-grid energy generation.