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Market Consultation - Questionnaire on the Further Development of HVDC Multiterminal Systems towards Multi-Vendor Tender

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Summary

Market consultation questionnaire seeking industry feedback on transitioning 525 kV HVDC multiterminal systems from single-vendor to multi-vendor architecture for a European grid modernization initiative. Bidders should be high-voltage DC transmission technology vendors, system integrators, or grid modernization consultants with expertise in interoperability standards.

Summary by Raise Lens from the official notice · 9 Jul 2026Accurate?

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About this tender

In 2024, the four German TSOs (4GTSO) - the funder, Amprion GmbH, TenneT TSO GmbH and TransnetBW GmbH - jointly concluded contracts, following an EU-wide procurement process, for the research and development of 525 kV Bipole HVDC single-vendor Multiterminal systems. This technology allows the flexible interconnection of multiple HVDC lines, so-called DC-Hub projects. Following this approach, the 4GTSOs are now aiming to take the next step in advancing the technology by transitioning from a single-vendor to a multi-vendor setup. …

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