INDUSTRY NEWS
Bernhard Schulte Offshore Expands Fleet With New CSOV From Ulstein
Bernhard Schulte Offshore (BSO) continues to grow its modern offshore wind fleet with the addition of Windea Clarke, further strengthening its position in the global energy market. Delivered from Ulstein Verſt on 2 July 2026, the vessel marks another milestone in BSO’s ambitious fleet development programme.
Windea Clarke is the fourth CSOV (Commissioning Service Operation Vessel) delivered to BSO from Ulstein Verſt within the past year, and the seventh offshore wind service vessel of Ulstein’s design in their fleet overall. Together, these vessels form a core part of BSO’s strategy to provide high-quality, future-ready offshore service capacity.
Matthias Müller, Managing Director Bernhard Schulte Offshore, said:
“With ‘Windea Clarke’, we are completing a strategically important series of vessels that strengthens our ability to support offshore projects with reliable tonnage while significantly reducing the environmental footprint. It enables us to deliver efficient and scalable services across construction, commissioning and maintenance phases to the global offshore energy industry.”
Building a future-ready offshore wind fleet With Windea Clarke, BSO continues to invest in CSOVs purpose-built for safe, efficient and sustainable offshore operations. Their vessels have become key enablers for offshore wind operations worldwide, supporting both construction and long-term operations and maintenance (O&M) activities.
All four vessels delivered to BSO over the past year feature Ulstein’s TWIN X-STERN® solution, ensuring excellent manoeuvrability, reduced motions, and improved operational efficiency in demanding offshore conditions.
Combined with hybrid battery propulsion and a design prepared for future methanol fuel, the series of vessels is optimised for low-emission operations.
Designed for efficiency, comfort and performance Windea Clarke offers up to 90 cabins with windows for charterers’ offshore personnel. In total, there are 111 cabins providing comfortable living conditions for up to 132 individuals. The vessel is tailored for high operational uptime and personnel well-being. The centrally positioned offshore access system includes a height-adjustable walk-to-work gangway and an integrated elevator tower for safe and efficient transfer of personnel and cargo.
The vessel is equipped with a helideck for helicopters up to 8.6 tonnes, as well as a 3D motion-compensated crane with a liſting capacity of up to 5 tonnes. Generous storage areas and step-free logistics solutions further enhance onboard efficiency, while a height-adjustable boat landing system enables safe, seamless transfers to smaller vessels. During the sea trials, Windea Clarke also achieved the voluntary DNV SILENT-E class notation for reduced environmental noise emissions.
Continuing a strong partnership “The delivery of Windea Clarke marks another milestone in our strong and valued partnership with Bernhard Schulte Offshore. Their continued trust in Ulstein reflects a shared ambition to challenge the oceans and push the boundaries of offshore vessel designs. Over the past year, this collaboration has brought several next-generation CSOVs into service.” says Gunvor Ulstein, CEO of Ulstein Group.
A scientific naming tradition The vessel is named aſter the American electrical engineer and academic Edith Clarke, continuing BSO’s tradition of honouring leading scientists. Sister vessels in the series include Windea Curie, Windea Clausius, and Windea Carnot.
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www.sosmagazine.biz July Issue 2026
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