Germany – Transformer substation – 2 GW HVDC Offshore Platform and Converter System (2 GW HVDC System) for the NorthSeaConnector 1 Project (Yard Scope) — 50Hertz Offshore GmbH (DEU) · 1 EUR

1 RES-0000 selec-w TEN-0000 tenders 1 t-sme 0 t-oth-eea 0 t-no-eea 0 t-esubm 1 CON-0000 LOT-0000 TEN-0000 false 1 yes false false TPA-0000 LOT-0000 Offer-1 CON-0000 Contract-01 TEN-0000 TPA-0000 Bietergemeinschaft Siemens Energy Global GmbH & Co. KG und NSORe NSC 1 GmbH ORG-0001 true ORG-0002 false 30 false false https://www.50hertz.com/ ORG-0000 50Hertz Offshore GmbH Berlin 10557 DE300 DEU HRB 108780 B +491705572552 +491705572552 benjamin.kirchner@50hertz.com large ORG-0001 Siemens Energy Global GmbH & Co. KG Erlangen 91058 DE252 DEU HRA 111200 000 christian.alexe@siemens-energy.com false large ORG-0002 NSORe NSC 1 GmbH Industriestraße 15 Rostock 18069 DE803 DEU HRB 285759 B 000 Dieter.weyns@smulders.com ORG-0003 Vergabekammer des Landes Berlin Berlin 10825 DE300 DEU DE296830277 +49 3090138316 vergabekammer@senwtf.berlin.de true ORG-0004 50Hertz Transmission GmbH Heidestrasse 2 Berlin 10557 DE300 DEU HRB 84446 000 Matthiaswolfgang.schaeuble@50Hertz.com ORG-0005 Datenservice Öffentlicher Einkauf (in Verantwortung des Beschaffungsamts des BMI) Bonn 53119 DEA22 DEU 0204:994-DOEVD-83 +49228996100 noreply.esender_hub@bescha.bund.de 00641086-2026 180/2026 2026-09-17+02:00 2.3 eforms-sdk-1.14 eforms-sdk-1.14 485dfdf8-0f7f-472f-968e-666f7792f91a d4b81b89-a3f0-42b6-80a0-dacadc2244ee 2026-09-16+02:00 14:06:27.825678333+02:00 01 2026-09-16+02:00 32014L0025 can-standard DEU electricity ORG-0004 ted-esen ORG-0005 electricity ORG-0000 sektvo false neg-wo-call technical The underlying offshore grid connection system NorthSeaConnector 1 Project must be integrated into a Multi-Terminal-Hub and must be interoperable with the converters already being implemented by Tennet TSO GmbH (TTG). In order to guarantee the connectivity of the HVDC connection via the DC hub Heide, which is bindingly specified in the confirmed NEP 2037/2045, and the interoperability of the 50Hertz components in this "closed system", a technically compatible converter pair must be procured, as was procured by TTG from Siemens Energy Global GmbH & Co. KG in April 2023. For market and technical reasons, the offshore platform, in which the offshore converter will be installed, is integral part of the EPCI contract. The EPCI contract for the yard scope was therefore concluded with NSORe NSC 1 GmbH. The HVDC scope remains with Siemens Energy Global GmbH & Co. KG.. Siemens Energy Global GmbH & Co. KG and NSORe NSC 1 GmbH form a consortium.

For reasons of confidentiality of business secrets, the contract value will not be published for the moment. A standard market price in the nine-figure range was agreed. 2 GW HVDC Offshore Platform and Converter System (2 GW HVDC System) for the NorthSeaConnector 1 Project (Yard Scope) The overall scope of supply and services of the project shall be for the turnkey delivery of the 2 GW offshore converter system comprises to engineer, procure, construct/manufacture, transport to offshore, install, commission onshore/offshore and test as an EPCI Contractor the offshore converter platform in the area N-11.1 as well as an onshore converter at a 50Hertz substation. The scope consists of the respective complete substructure and topside of the offshore platform including transport & installation and the civil works of the onshore substation including its hvdc systems, both with the corresponding electrical equipment, non-electrical equipment as well as other reasonably required scope and services for a fully functional 2 GW converter system ready for operation and connection to the German HV grid.

Note: The scope of this award is limited to the yard scope (offshore converter station, including the jacket substructure, topside, auxiliary and ancillary systems, as well as the transport and installation) of the offshore platform and jacket substructure. The onshore converter station, including all associated civil works and HVDC electrical equipment for the onshore station and the offshore platform remains unchanged since the initial award in June 2024. works For reasons of confidentiality of business secrets, the contract value will not be published for the moment. A standard market price in the nine-figure range was agreed. 1 45232221 31170000 31200000 45232220 45317200 60651400 60651600 71248000 71541000 AWZ, area N-11.1 in the German North Sea DE80O DEU LOT-0000 false unused-id unused-id unused-id ORG-0004 30 Tage ab Veröffentlichung dieser Bekanntmachung. Siehe Paragraphen 135, 160 GWB ORG-0003 false false buyer-categories none none EPCI NSC 1 - Lot1 2 GW HVDC Offshore Platform and Converter System (2 GW HVDC System) for the NSC1 Project The overall scope of supply and services of the project shall be for the turnkey delivery of the 2 GW offshore converter system comprises to engineer, procure, construct/manufacture, transport to offshore, install, commission onshore/offshore and test as an EPCI Contractor the offshore converter platform in the area N-11.1 as well as an onshore converter at a 50Hertz substation. The scope consists of the respective complete substructure and topside of the offshore platform including transport & installation and the civil works of the onshore substation including its hvdc systems, both with the corresponding electrical equipment, non-electrical equipment as well as other reasonably required scope and services for a fully functional 2 GW converter system ready for operation and connection to the German HV grid.

Note: The scope of this award is limited to the offshore converter station, including the jacket substructure, topside, auxiliary and ancillary systems, as well as the transport and installation of the offshore platform and jacket substructure. The onshore converter station, including all associated civil works and HVDC electrical equipment remains unchanged since the initial award in June 2024. works clim-adapt env-imp The project contributes to the German Grid Development Plan by enabling offshore wind integration and supporting renewable energy targets. HSE requirements and standards are incorporated into the procurement to ensure safe and sustainable project delivery. 1 45232221 31170000 31200000 45232220 45317200 60651400 60651600 71248000 71541000 AWZ, area e N-11.2 in the German North Sea DE80O DEU 2000-01-01+01:00

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