HVDC Tenders

RTE is procuring engineering, construction, and full delivery of two multi-terminal HVDC VSC converter systems operating at 320 kV, each with 1.2 GW capacity comprising two onshore stations (in Gironde and Loire-Atlantique) and one offshore platform/station. The scope covers design, manufacturing, installation, testing, commissioning, and maintenance for connecting offshore wind farms to the French grid. No contract value or deadline is specified in the available information.

Polish state-owned utility PSE is procuring engineering design services for technical documentation of the North-South HVDC interconnection project. The scope includes detailed technical design work as specified in the tender documentation. Deadline and contract value are not specified in the provided information.

RTE is procuring engineering, construction, and supply services for a multi-terminal 320kV HVDC VSC converter system comprising two 1.2 GW onshore converter stations in Gironde and Loire-Atlantique, one operational 1.2 GW offshore converter platform and station, and one potential 1.2 GW offshore platform to connect offshore wind farms to the French grid. The scope includes complete design, manufacturing, installation, civil works, offshore structures, testing, commissioning, spares, and warranty services.

RTE Réseau de Transport d'Electricité is procuring electrical engineering services for a 320 kV HVDC Voltage Sourced Converter system comprising two 1.2 GW onshore converter stations and one to two offshore converter platforms serving offshore wind farms. The scope includes assessment of electrical performance, reliability, maintainability, steady-state, dynamic, and transient analysis for the multi-terminal configuration. No contract value or deadline is specified in the provided information.

TenneT TSO GmbH is establishing a framework agreement for commercial project support services for offshore HVDC infrastructure projects in Spain, including contract management, cost controlling, and commercial management activities. The contractor must provide qualified personnel with experience in large-scale or offshore energy projects and maintain local presence in Spain. The framework agreement runs until 30 November 2031.

MaresConnect Limited is procuring design, engineering, procurement, manufacturing, construction, installation, commissioning and testing of two 750 MW, 320 kV VSC-based HVDC converter stations and associated grid connections for the MaresConnect interconnector between Ireland and another location. The scope includes civil works, AC-side switchyards, auxiliary systems, and maintenance/spares management on a fixed-price turnkey EPC basis, with separate Early Works Contracts for FEED and enabling civil works.

MaresConnect Limited is procuring design, engineering, construction, installation, and commissioning of two 750 MW, 320 kV VSC-based HVDC converter stations and associated grid connections for the MaresConnect interconnector between Ireland and continental Europe. The contract includes civil works, AC-side switchyards, auxiliary systems, and subsequent maintenance and spares management on a fixed-price turnkey (EPC) basis. Separate Early Works Contracts are available for FEED (front-end engineering design) and enabling civil works.

MaresConnect Limited is procuring design, engineering, and construction of two 750 MW, 320 kV VSC-based HVDC converter stations and associated grid connections for the MaresConnect interconnector between Ireland and Europe on a fixed-price, lump-sum EPC basis. The scope includes civil works, AC switchyards, auxiliary systems, and subsequent maintenance and spares management for both converter stations. Early works contracts for FEED (front-end engineering design) and enabling civil works are also being tendered separately.

50Hertz Offshore GmbH is procuring turnkey engineering, procurement, construction, transport, installation, and commissioning of a 2 GW HVDC offshore converter platform and system for the NorthSeaConnector 1 Project, with scope limited to the offshore converter station including jacket substructure, topside, and transport/installation services. The contract covers the complete offshore platform with all auxiliary systems required for operation and connection to the German high-voltage grid, while the onshore converter station remains with the original contractor awarded in June 2024. No specific deadline or completion date is stated in the tender documentation.

TenneT TSO B.V. is procuring RTDS (Real Time Digital Simulator) units and related research and testing services for the National Facility Digital Twin Electricity System, a joint initiative with Delft University of Technology to develop digital simulation capabilities for the Dutch electricity grid. The project focuses on real-time network simulation, hardware-in-the-loop testing, and HVDC integration research. This is a Voluntary Ex-Ante Transparency Notice with tender documents available for details.

Terna S.p.A. is issuing a contract variation (Variante n.2) for construction work on the SA.CO.I. 3 project, a three-terminal bipolar HVDC interconnection between Sardinia, Corsica, and mainland Italy with capacity of 2 × 200 MW and 2 × 75 MW at ±200 kV. The variation modifies the existing contract for the turnkey development and realization of conversion stations and associated activities for this interconnection. No value or deadline is specified in the available information.

Red Eléctrica de España is procuring technical assistance services for HVDC converter stations related to the COMETA project. The service covers installation and support operations for the converter facilities. No specific contract value or deadline is provided in the available information.