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Partners declare intent for North Sea green hydrogen pipeline

4C Offshore | James Bernthal-Hooker
By: James Bernthal-Hooker 26/04/2021 GASCADE/RWE
GASCADE, Gasunie, RWE, and Shell have signed a declaration of intent regarding a pipeline for green hydrogen from offshore wind in the North Sea. The partners have agreed to “further intensify their collaboration” on the project, AquaDuctus. The next step will be a feasibility study.

As part of the AquaVentus intiative, the venture contributes to efforts to install 10 GW of electrolysis for green hydrogen derived from offshore wind between Heligoland and the Dogger sand bank. The partners aim for demand, generation, and transport of hydrogen to be synchronised, facilitating “a swift market ramp-up”.

AquaDuctus would be the first German pipeline for offshore hydrogen, transporting up to one million tonnes of green hydrogen annually from 2035. According to the partners, the project’s economic advantages are “clear”: “The pipeline will replace five High Voltage Direct Current (HVDC) transmission systems, which would otherwise have to be built. It is by far the most cost-effective option for transporting large volumes of energy over distances of more than 400 kilometres.”

The production of green hydrogen from renewables at sea can could support the EU's plans for reaching climate neutrality by 2050. Green hydrogen offers potential for the energy industry, turbine construction and the CO2-free design of energy-intensive sectors, as well as potential for transforming the mobility and logistics sector.

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