Wärtsilä, in consortium with IMS Ingenieurgesellschaft mbH, has been engaged by RWE Innogy, the renewable energy arm of the German utility company RWE, as its designer to provide the basic design and consultancy services for a jack up crane vessel. Two such vessels with GL class-approval have been ordered by RWE Innogy to be used for constructing offshore wind farms. The shipbuilding contracts have been awarded to Daewoo Shipbuilding & Marine Engineering Co. Ltd. (DSME) and delivery of the vessels is scheduled for late 2011.