Fabrication began with first steel cutting in September 2025. Heerema is building the jacket under the GE Vernova–Seatrium consortium, which was contracted by TenneT for converter platforms including IJmuiden Ver Beta, IJmuiden Ver Gamma and Nederwiek 2.
MetalMate summary of the linked evidenceCommercial context
Analysis: The milestone demonstrates progress from initial steel cutting to heavy structural assembly and confirms active offshore jacket work at Heerema’s Vlissingen yard. The wider three-jacket scope provides visibility for large-scale offshore steel fabrication.
MetalMate analysis- The completed component is the first structural element of the IJmuiden Ver Beta jacket foundation, according to OffshoreWIND.biz.
- The first roll-up moved a 1,700-tonne steel element from horizontal to controlled vertical orientation using two cranes.
- Heerema Fabrication Group is building three jackets outsourced by the GE Vernova–Seatrium consortium.
- Vattenfall and Copenhagen Infrastructure Partners previously said the related wind farm would be developed in two 1 GW phases, targeted for completion in 2029 and 2032.
Outlook: Monitor subsequent structural assembly milestones and whether the phased 1 GW completion targets for 2029 and 2032 remain on schedule.
Source & methodology +
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- Article status
- Published · Version 1
- Source date
- 31 August 2026
- MetalMate publication
- 8 October 2026
- Verification
- Automated evidence checks; not human reviewed
Jacket for TenneT’s IJmuiden Ver Beta Platform Starts Taking Shape — OffshoreWIND.biz
MetalMate provides an English summary; consult the original wording.

