Key figures
Every figure with explanation, source and date.
Data sheet as of 2026-07. Individual figures carry their own date where it differs.
Target figure of the AquaVentus initiative: 10 gigawatts of offshore capacity in the German North Sea, yielding around 1 million tonnes of green hydrogen a year.
- Source
- AquaVentus Förderverein e.V.
- As of
- 2026
Annual volume to be produced from the targeted 10 gigawatts of offshore capacity. For comparison, the SEN-1 site alone is designed for around 100,000 tonnes a year.
- Source
- AquaVentus Förderverein e.V.
- As of
- 2026
AquaDuctus (transport), AquaPrimus and SEN-1 (generation), AquaCampus (research) and AquaNavis (maritime application).
- Source
- AquaVentus Förderverein e.V.
- As of
- 2026
Possible annual saving in system costs through offshore sector coupling in zones 4 and 5 of the German North Sea. The study reports the results as robust across various sensitivity analyses.
- Source
- Frontier Economics, study for AquaVentus
- As of
- 2025-11
Possible reduction in expansion costs through combined transport and connection concepts for wind areas far from the German North Sea coast.
- Source
- E-Bridge Consulting, short study commissioned by AquaVentus (88 pages)
- As of
- 2024-09
Length of the planned hydrogen pipeline at sea, plus around 100 kilometres on land. Transport capacity up to 20 gigawatts across two expansion stages.
- Source
- AquaDuctus project data, operator Gascade Gastransport GmbH
- As of
- 2026
Total length of the German hydrogen core network approved by the Federal Network Agency. AquaDuctus has been part of it since October 2024.
- Source
- Federal Network Agency, hydrogen core network approval
- As of
- 2024-10
Planned electrolysis capacity on the SEN-1 site, corresponding to around 100,000 tonnes of green hydrogen per year. The BSH designated the 102 square kilometre site in its 2023 site development plan; the capacity figure is a project figure and not part of that plan.
- Source
- Site: BSH site development plan 2023. Capacity and annual volume: SEN-1 project figures
- As of
- 2026
Size of the research area in the North Sea off Helgoland, water depth up to 45 metres, marked by eight yellow buoys.
- Source
- AquaCampus project data
- As of
- 2026