2026-10-09+00:0008:51:42+00:00RES-0001clos-nwchan-needtenders5LOT-000030ORG-0001VattenfallEvenemangsgatan 13Vattenfall GmbHHamburg20457DE600DEU556036-2138Yannick Bonnard+491512 1573593yannick.bonnard@vattenfall.deORG-0002Vergabekammer NiedersachsenVergabekammer Niedersachsen beim Niedersächsischen Ministerium für Wirtschaft, Verkehr und BauenLüneburg21339DE935DEUDEUhttp://mercell.com/ORG-0003Mercell Holding ASAAskekroken 11Oslo0277NO081NOR980921565eSender+47 21018800+47 21018801publication@mercell.com00700651-2026197/20262026-10-12+02:002.3eforms-sdk-1.13ed7eb7ab-8fdb-4470-b448-f0ec7d876d87eb9f8bcd-6437-4e57-bddb-c5e7599141212026-10-09+00:0008:50:10+00:00012026-10-10Z32014L0025can-standardENGhttps://s2c.mercell.com/buyer/2420electricityORG-0001ted-esenORG-0003neg-w-calltruebe89dca1-2abe-48dd-aec0-7cf013defaf8-018e3809b5-6669-4230-949e-2815238022b7Alpha Ventus Decommissioning - BoP scopeThe contract shall include all the required work for the decommissioning of Balance of Plant (BoP) components for the Alpha Ventus Offshore Wind Farm. The scope of work for the BoP decommissioning shall comprise: • Dismantling and transport to shore of all 12 WTG foundations (6 Jackets and 6 Tripods) as well as the OSS Jacket installed within Alpha Ventus OWF, including provision of required vessels, equipment, tools and personnel. o Option 1: Partial pile removal (mechanical separation of piles and supporting structure). o Option 2: Full pile extraction (additional scope of complete pile removal by Vibrohammer or other extraction method). • Dismantling and transport to shore of the OSS Topside installed within Alpha Ventus OWF, including provision of required vessels, equipment, tools and personnel. • Cutting and recovery of inter-array cables and related cable protection systems installed within Alpha Ventus OWF and transport to shore, including provision of required vessels, equipment, tools and personnel. • Optional: Cutting the export cable at the offshore substation including wet storage. • Optional: Removal and transport to shore of Scour Protection installed within Alpha Ventus OWF, including provision of required vessels, equipment, tools and personnel. • Provision of required marshalling harbours and other support services. • Onshore processing and disposal/recycling of all components, including temporary storage, logistics and facilities. • All required engineering works and creation of planning documentation. • Pre/post decommissioning surveys (as required) The works are expected to commence from 2027 onwards, however we are also considering start dates in 2028.servicesworks50000000983910004524400060630000606511006065140076521000See documentation - The contracting entity to enter into the contract for Alpha Ventus Offshore Wind Farm Decommissioning is Deutsche Offshore-Testfeld und Infrastruktur GmbH & Co. KG, Tirpitzstraße 39, 26122 Oldenburg, Germany. Registered in Germany. Employer reserves the right to change the entity.DE943DEULOT-0000ORG-0001ORG-0001See documentationORG-0002falsefalsenonenone314e6a23-6a07-403d-9cde-6c40d022573bAlpha Ventus Decommissioning - BoP scopeThe contract shall include all the required work for the decommissioning of Balance of Plant (BoP) components for the Alpha Ventus Offshore Wind Farm. The scope of work for the BoP decommissioning shall comprise: • Dismantling and transport to shore of all 12 WTG foundations (6 Jackets and 6 Tripods) as well as the OSS Jacket installed within Alpha Ventus OWF, including provision of required vessels, equipment, tools and personnel. o Option 1: Partial pile removal (mechanical separation of piles and supporting structure). o Option 2: Full pile extraction (additional scope of complete pile removal by Vibrohammer or other extraction method). • Dismantling and transport to shore of the OSS Topside installed within Alpha Ventus OWF, including provision of required vessels, equipment, tools and personnel. • Cutting and recovery of inter-array cables and related cable protection systems installed within Alpha Ventus OWF and transport to shore, including provision of required vessels, equipment, tools and personnel. • Optional: Cutting the export cable at the offshore substation including wet storage. • Optional: Removal and transport to shore of Scour Protection installed within Alpha Ventus OWF, including provision of required vessels, equipment, tools and personnel. • Provision of required marshalling harbours and other support services. • Onshore processing and disposal/recycling of all components, including temporary storage, logistics and facilities. • All required engineering works and creation of planning documentation. • Pre/post decommissioning surveys (as required) The works are expected to commence from 2027 onwards, however we are also considering start dates in 2028.servicesworks50000000983910004524400060630000606511006065140076521000See documentation - The contracting entity to enter into the contract for Alpha Ventus Offshore Wind Farm Decommissioning is Deutsche Offshore-Testfeld und Infrastruktur GmbH & Co. KG, Tirpitzstraße 39, 26122 Oldenburg, Germany. Registered in Germany. Employer reserves the right to change the entity.DE943DEU2027- Full pile extraction (additional scope of complete pile removal by Vibrohammer or other extraction method). - Cutting the export cable at the offshore substation including wet storage. - Removal and transport to shore of Scour Protection installed within Alpha Ventus OWF, including provision of required vessels, equipment, tools and personnel.2000-01-01Z