DEME has signed a sizable contract for the transportation and installation of 69 wind turbines at the Zeevonk offshore wind farm in the Netherlands.

A Sizable Contract for Transportation and Installation

The award covers phase 1 of the project and positions the Belgian marine engineering group in a central role in the development of the approximately 1 GW site.

The wind turbines for phase 1 of the wind farm will be installed by DEME's next-generation jack-up offshore transport and installation vessel, Norse Energi.

The vessel is specifically designed for the transport and installation of offshore wind turbines, and its deployment on Zeevonk marks a continued build-out of DEME's offshore installation capabilities in the Dutch North Sea.

An Expanding Role in the Zeevonk Project

This latest award follows the substantial foundation installation contract secured by DEME for Zeevonk in July 2026, as stated by the company.

With the turbine installation contract now in hand, DEME holds a key role in the offshore wind project, covering both the foundations and the turbines themselves.

The combination of the foundation installation work and the newly signed turbine transportation and installation contract means that DEME's involvement spans the primary structural elements of the wind farm's construction.

The company highlights that the new contract gives it a key role in this offshore wind project, building on the momentum of its earlier foundation award.

About the Zeevonk Offshore Wind Farm

The Zeevonk offshore wind farm project is jointly owned by Vattenfall and Copenhagen Infrastructure Partners (CIP) through its Energy Investment Fund I. Once completed, the project will have a total installed capacity of approximately 1 GW.

The wind farm is located in the Netherlands, where it will contribute to the country's expanding offshore wind portfolio. The 69 turbines to be installed under DEME's contract represent phase 1 of the development, with Norse Energi tasked with bringing these units into place at the site.

DTEM's Next-Generation Installation Vessel

A notable element of the contract award is the assignment of Norse Energi, DEME's next-generation jack-up offshore transport and installation vessel, to the turbine installation scope.

The vessel will handle both the transportation of the 69 wind turbines and their installation at the Zeevonk site during phase 1 of the project.

The use of a next-generation jack-up vessel for the project reflects the scale of the installation task at hand, with DEME's fleet designed to transport and install offshore wind turbines at sea. Norse Energi's deployment on Zeevonk adds to the vessel's role within DEME's offshore wind installation operations.

Ownership and Financial Backing

The project's ownership structure brings together Vattenfall, the Swedish energy company, and Copenhagen Infrastructure Partners, one of the world's largest dedicated investors in offshore wind and energy infrastructure.

CIP's involvement comes through its Energy Investment Fund I, which holds a joint ownership stake in the Zeevonk project alongside Vattenfall.

With a total installed capacity of approximately 1 GW, Zeevonk ranks among the sizable offshore wind developments underway in the Dutch sector.

The construction sequence, including foundation installation under DEME's earlier contract and the now-awarded turbine installation scope, will rely on the coordination of heavy-lift and jack-up installation assets in the North Sea.

DEME's Position in Offshore Wind

The Zeevonk turbine installation award underscores DEME's standing in the offshore wind installation market. The company describes the contract as sizable, and the scope, 69 wind turbines for phase 1, represents one of the more substantial single-vessel installation assignments announced for the Dutch offshore wind sector.

For DEME, the contract follows directly on the heels of its July 2026 foundation installation award for the same project, creating a continuous work stream at the site.

The company's statement notes that the two awards together give DEME a key role in the Zeevonk offshore wind project, covering both the foundations and the turbine installation for phase 1.

As the project moves forward, attention will turn to the mobilization of Norse Energi and the execution of the transportation and installation campaign for the 69 turbines. The joint venture of Vattenfall and CIP, through its Energy Investment Fund I, continues to advance the development toward its approximately 1 GW installed capacity target.

The award also reflects the broader pipeline of offshore wind construction activity in the Netherlands, where large-scale projects are being developed by consortia of energy companies and infrastructure investors. Zeevonk's phase 1, with its 69 turbines installed by DEME's next-generation jack-up vessel, forms part of this ongoing build-out of European offshore wind capacity.

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