Jan De Nul Ordered New Trenching Support Vessel
The company has commissioned a new vessel capable of burying subsea cables up to five metres deep.
Updated on Sept. 21, 2026 in Data Centers
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Jan De Nul announced the order of a new trenching support vessel that will serve as a sister ship to the Isambard K. Brunel. The vessel is designed to support subsea cable burial operations using specialized subsea trenchers.
Why it matters
The investment strengthens the fleet capacity for offshore infrastructure projects, which are essential for global subsea power and data transmission. This expansion aligns with efforts to modernize subsea construction through specialized trenching capabilities.
The new vessel features subsea trenchers capable of burial depths reaching five metres. Its power systems utilize ultra-low-emission technology and are engineered to allow for future conversion to methanol propulsion.
The players
Jan De Nul
This international maritime engineering and construction company specializes in dredging, offshore energy infrastructure, and civil works.
Isambard K. Brunel
This trenching support vessel serves as the design template for the company's newly ordered sister ship.
Henry Darcy
This vessel is currently undergoing a conversion process to function as a compact trenching support ship.
The details
The vessel is being built to mirror the technical specifications of the Isambard K. Brunel. Additionally, Jan De Nul is currently converting the Henry Darcy to serve as a compact trenching support vessel to further expand its operational range.
Timeline
September 21, 2026: Jan De Nul announced the new vessel order.
March 2026: The company previously ordered the Isambard K. Brunel.
The Tech Race
The acquisition reflects a broader industry shift toward specialized, low-emission vessels for subsea cable deployment. This strategy positions the company to meet the rising demand for protected subsea infrastructure while replacing older, less efficient construction methodologies.
The deployment of high-capacity trenching vessels ensures the long-term reliability of subsea fiber optic cables that form the backbone of global data connectivity. Improved burial capabilities reduce the likelihood of accidental damage to subsea infrastructure, contributing to more stable internet and data services.
The takeaway
Subsea infrastructure requires specialized engineering to withstand harsh maritime environments and maintain critical connectivity. Investing in low-emission, highly capable trenching vessels allows maritime firms to improve project safety and long-term asset protection.
Further reading
Learn more about evolving infrastructure demands in Data Centers.
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