Hydrogen pipeline to connect German Baltic Sea in Lubmin with Danish island of Bornholm

Beginning in 2027, the H2 Interconnector Bornholm-Lubmin will transport hydrogen from the Danish island of Bornholm to Lubmin.

As the north-eastern European energy system secures a reliable and affordable decarbonization pathway, the cross-border hydrogen infrastructure seeks to support and promote an accelerated development of offshore wind in the area and larger Baltic Sea.

Together with Copenhagen Infrastructure Partners’ (CIP) dedicated CI Energy Transition Fund as a prospective financial backer, GASCADE is developing the concept. The project also involves the Danish transmission system operator Energinet. The European Commission has received a PCI application for the 140-kilometer interconnector.

The offshore pipeline is designed to link the German Baltic Sea coast in Lubmin with the island of Bornholm and the offshore wind farms surrounding it. A feasibility study for the project has already been completed with encouraging findings. The hydrogen is then carried farther south after being injected into the onshore infrastructure there. The pipeline will be designed with a gradual capacity increase toward 10 GW in the 2030s so that it is future-proof.

This strengthens and furthers the Europeanization of the neighboring Project Flow – Making Hydrogen Happen. This project has massive dimensions from the start, with a length of over 1,100 km and an entry capacity of up to 20 GW in the final phase. The recently constructed interconnector furthers the new hydrogen highway, which will link Denmark to a number of significant hydrogen demand centers in Germany.

The European Union’s 2030 energy and climate ambitions and its 2050 climate neutrality goal can both be advanced with the help of the Baltic Sea, which has a considerable untapped potential. In addition to the direct connection between Denmark and Germany, there are plans to link Sweden and Finland to a future offshore Baltic Sea backbone. In the future, more hydrogen might be delivered to Europe in this manner.

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