Wind turbine manufacturing rivals Vestas Wind Systems A/S (<a href="https://www.nasdaqomxnordic.com/aktier/microsite?Instrument=CSE3258&name=Vestas%20Wind%20Systems&ISIN=DK0061539921" target="_blank">CPH:VWS</a>) and Siemens Gamesa Renewable Energy have entered into a partnership agreement aimed at increasing standardisation in the wind industry, according to an announcement this week.