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DEME awarded foundation installation contract at Zeevonk OFW    

Monday, July 20 2026

Wind Energy

DEME has been awarded the contract to transport and install the foundations for phase 1 of the Zeevonk offshore wind project in the Netherlands.

Zeevonk, jointly owned by Vattenfall and Copenhagen Infrastructure Partners (CIP) through its Energy Investment Fund I, will have a total installed capacity of around 1 GW.

Under the contract, DEME will be responsible for intermediate transport of monopiles and the provision of marshalling services for primary and secondary steel.

DEME will also be responsible for the transport and installation of 69 monopile foundations as well as the installation of a filter layer for scour protection.

The Zeevonk project is planned off the Dutch North Sea coast, 63 – 84 km from the town of Bergen aan Zee.

Zeevonk represents a significant step forward in the continued expansion of offshore wind capacity in the Netherlands, and will contribute to the country’s ambitious energy transition targets. Offshore construction is scheduled to start in 2028. The project remains subject to a final investment decision. 

Several vessels from DEME’s fleet will be used for the works, including the Orion floating offshore transport and installation vessel for monopile installation, a jack-up offshore transport and installation vessel for secondary steel, and a fallpipe rock transport and installation vessel for scour protection.

Felix Würtenberger, CEO of Zeevonk, said: “Developing a project of this scale requires strong partnerships and deep offshore expertise. DEME has a proven track record in offshore wind and we are pleased to welcome them to Zeevonk.” 

Bas Nekeman, Business Unit Director Northern Europe, said: “We are excited to build on our strong partnership with Vattenfall and Copenhagen Infrastructure Partners. As the Netherlands continues to be a key market for offshore wind, Zeevonk will play a crucial role in advancing the energy transition. We look forward to bringing our expertise and capabilities to support the successful delivery of this project, together with our supply chain partners.”

Since 2000, DEME has amassed the most extensive track record in installing foundations and offshore infrastructure for multiple offshore wind projects worldwide.

Related posts:

  1. Vattenfall starts offshore construction of Nordlicht I OWF
  2. DEME secures installation contract for Fengmiao 1 OWF
  3. DEME secures contracts for Nordlicht 1 and 2
  4. DEME’s Norse Wind starts with O&M campaign in North Sea

Filed Under: CIP, DEME, International News, Netherlands, Transport & Installation, Vattenfall, Zeevonk Tagged With: CIP, deme, foundation, marshalling services, Netherlands, transport and installation, Vattenfall, Zeevonk

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