Boskalis orders largest ever subsea rock installation vessel

Dutch dredging contractor and marine services provider Boskalis has made a significant investment in its future by ordering a new subsea rock installation (SRI) vessel. This vessel, named Windpiper, boasts an impressive cargo capacity of 45,500 tonnes. With this addition, Boskalis aims to strengthen its position in the subsea rock installation market, which currently includes three existing SRI vessels. The new vessel is set to be the largest of its kind in the industry, marking a pivotal moment for the company as it prepares to meet the growing demands of offshore wind farm projects.

Enhancing Capacity and Market Position

The introduction of the Windpiper will effectively double Boskalis’ capacity in the subsea rock installation sector. This strategic move positions the company as the largest player in this niche market. Scheduled for delivery in the first quarter of 2026, the vessel will primarily focus on projects related to offshore wind farms. The first projects are expected to take place in northwest Europe, where the demand for renewable energy sources continues to rise.

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The Windpiper is being developed through the conversion of an existing new vessel. It will measure 227 meters in length and 40 meters in width, with a total installed power exceeding 31,000 kW. This substantial size and power will enable the vessel to handle large-scale projects efficiently. Additionally, the vessel will feature a moonpool for fall pipe installation and an inclined fall pipe. These features are crucial for protecting offshore structures, such as the foundations of wind turbines, ensuring the safety and longevity of these installations.

Designed for Comfort and Efficiency

One of the standout features of the Windpiper is its capacity to accommodate personnel comfortably. The vessel will include over a hundred single-occupancy cabins, allowing for ample space for client representatives alongside the onboard crew. This design consideration reflects Boskalis’ commitment to providing a comfortable working environment for all personnel involved in offshore projects.

The vessel’s substantial cargo capacity also makes it particularly well-suited for projects that require long transit distances between rock loading facilities and project sites. This capability is essential for operations along the North American east coast, the Baltic Sea, and the Southern North Sea. As the demand for offshore wind energy continues to grow, Boskalis is well-positioned to take on larger and more complex projects, further solidifying its reputation as a leader in the marine services industry.