Contract Notice - Sectors Negotiated Procedure (Works Contract) Delivery, Assembly, Commissioning And Maintenance Of Three Wind Turbines - Windpark Hülzweiler In Saarland Entega Regenerativ Gmbh, A Wholly Owned Subsidiary Of Entega Ag, Is Planning The Construction Of The "Hülzweiler" Wind Farm In Schwalbach In Saarland, Schwalbach Municipality, Ot Hülzweiler, With Three Wind Turbines (EXPIRED)