Danish clean energy company Ørsted A/S (<a href="https://www.nasdaqomxnordic.com/aktier/microsite?Instrument=CSE122544&name=%C3%98rsted&ISIN=DK0060094928" target="_blank">CPH:ORSTED</a>) on Wednesday announced final investment decision to build a 300-MW/600-MWh battery energy storage system co-located with its Hornsea 3 offshore wind farm project in the UK.