HVDC Tenders

TenneT Offshore GmbH is procuring engineering, procurement, construction, installation and commissioning of an HVDC grid connection system for the LanWin4 offshore wind project in Germany, including an offshore converter platform and converter technology as an integrated EPCI solution. The project connects large-scale offshore wind generation capacity to the German onshore transmission system as part of TenneT's 2GW Program. No specific contract value or deadline is stated in the tender information provided.

TenneT TSO GmbH is procuring construction work for turnkey installation of an HVDC cable system (A 060_Cable/Lot 05) in Germany, specifically involving design modifications to link boxes. No budget or deadline information is provided in the available details.

TenneT TSO GmbH is procuring construction work for a turnkey installation of an HVDC cable system (A 060) in Germany, specifically Lot 04 involving link box design modifications. No budget or deadline information was provided in the tender details.

LITGRID AB is procuring data-communications equipment and services for the NordBalt HVDC connection, specifically DWDM (Dense Wavelength Division Multiplexing) gear. The tender is identified as 26PP-245 with no specific budget or deadline stated in the provided information.

50Hertz Offshore GmbH is procuring microtunnel construction work with cable ducts for two HVDC cable system landfalls at Vierow in Germany—one for the Ostwind 4 project and one for the Bornholm Energy Island project. Both microtunnels will be constructed at the Greifswalder Bodden shores in Mecklenburg-Western Pomerania. No contract value or deadline is specified in the available information.

Mines Paris PSL is procuring the supply, installation, and commissioning of an EPowerGrid high-power electrical systems test bench for its Versailles campus, including simulators, power distribution units, HVDC safety systems, cooling infrastructure, and operator interfaces. The estimated value is €3.3 million with a deadline of 30 July 2026.

Germany's four transmission system operators (50Hertz, Amprion, TenneT, and TransnetBW) are conducting a market consultation to identify barriers to transitioning 525 kV HVDC multiterminal systems from single-vendor to multi-vendor configurations. Respondents are invited to complete a structured questionnaire addressing technical and commercial gaps related to this transition. Submissions are due by August 31, 2026.

Germany's four transmission system operators (50Hertz, Amprion, TenneT, and TransnetBW) are conducting a market consultation to identify barriers to transitioning 525 kV bipole HVDC multiterminal systems from single-vendor to multi-vendor configurations for DC-Hub projects. Respondents are requested to complete a structured questionnaire and submit feedback by 31 August 2026 to [email protected].

Terna Rete Italia and STEG are procuring the construction and implementation of VSC-HVDC converter stations for the Italy-Tunisia electrical interconnection project. The tender covers the physical development of these converter facilities that will enable high-voltage direct current transmission between the two countries. No contract value or deadline is specified in the provided information.

TenneT TSO GmbH is procuring construction work for turnkey delivery of converter systems V5 and V5a subsystems as part of the SuedOstLink HVDC transmission project in Germany. The work includes physical requirements specification for windows and doors in the converter stations. No specific contract value or deadline is provided in the available information.

TenneT TSO GmbH is procuring construction work for turnkey installation of converter systems (V5 and V5a subsystems) as part of the SuedOstLink HVDC transmission system in Germany. The scope includes revision of fire suppression water supply documentation to incorporate additional water wells for the converter stations. No specific budget or deadline is provided in the available information.

TenneT TSO GmbH is procuring turnkey construction of converter system subsystems (V5 B and V5a B) for the SuedOstLink HVDC transmission project in Germany, including doors for converter halls for poles 1 and 2. The contract involves building key components of two HVDC systems as part of major German grid infrastructure development. Contact: Katharina Bodea at TenneT ([email protected]).