Nordic Yards fabricated the HelWin Alpha HVDC offshore converter platform for the HelWin1 offshore grid connection under contract to Siemens Energy, with construction reported from 2011 to early 2015 at its Wismar/Warnemünde yards. The scope described included building the offshore platform structure (topside and supporting structure) for the 576 MW HelWin1 connection serving the Nordsee Ost and Meerwind Süd/Ost wind farm cluster.