Amprion and Energinet have signed a memorandum of understanding (MoU) to investigate a dual-purpose (hybrid) offshore interconnector that would link a Danish North Sea energy island to the German transmission grid. The collaboration is framed as an exploratory feasibility study to assess technica...
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On 26 January 2026, at the North Sea Summit in Hamburg, the German Federal Ministry for Economic Affairs and Energy (BMWE) and the Danish Ministry of Climate, Energy and Utilities (KEFM) signed a strategic energy partnership agreement that includes the TYSDAN Hybrid Interconnector to be implemented by Amprion and Energinet. The Joint Declaration of Intent is described as a milestone that launches the next development phase of the Amprion–Energinet hybrid interconnector, with the TSOs continuing planning work and preparing for upcoming regulatory approval procedures for the offshore link between Denmark and Germany.
By the end of 2025, Amprion and Energinet had successfully completed a feasibility study for the TYSDAN Hybrid Interconnector project, which examines connecting two Danish North Sea offshore wind farms of 2 GW each to the German (Lippe) and Danish (Revsing) grids. The study assessed the technical and economic feasibility of this hybrid interconnector concept, including innovative offshore technology such as a potential DC circuit breaker on an offshore platform, and confirmed its contribution to European energy and climate goals.
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DE-DK (≥2 GW), TYSDAN Hybrid Interconnector
Amprion’s 2024 Market Report notes that, following Memorandums of Understanding with the Danish TSO Energinet and Norwegian TSO Statnett, their hybrid offshore interconnector projects have been included in ENTSO‑E’s Ten‑Year Network Development Plan (TYNDP 2024). This inclusion covers the planned German–Danish hybrid interconnector, bringing it into the EU‑level network planning process and supporting ongoing pre‑feasibility studies on the most beneficial set‑up for such projects.
On 27 April 2023, German TSO Amprion and Danish TSO Energinet signed a Memorandum of Understanding at the North Sea Summit in Ostend to explore the development of a hybrid interconnector between Germany and Denmark. The agreement initiates joint early-stage work to connect the planned Danish North Sea Energy Island to the German transmission grid via future offshore hubs and grids, with the aim of increasing security of supply and enabling surplus green electricity from the energy island to be transported directly to load centres in Germany and across Europe.
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