Wärtsilä hybrid propulsion solution for four new Dutch vessels
(Posted on 15/06/25)
Technology group Wärtsilä will supply an integrated hybrid propulsion solution for four new 10,700 DWT geared tween decker vessels being built for Dutch ship owner and maritime service provider Vertom Group. Combining the Wärtsilä 25 medium-speed 4-stroke engine with a hybrid propulsion drive train with PTO/PTI/PTH, the package is designed to optimise vessel propulsion efficiency, while enabling sailing modes on batteries without using combustion power. The 10,700 DWT series complements Vertom’s ongoing fleet renewal programme and commitment to sustainable shipping. The order with Wärtsilä was booked in Q1 2025.
“After the success of the diesel-electric propulsion concept in the short-sea sector, Vertom has once again embraced the challenge, this time for vessels with a transatlantic sailing profile. The Vertom 10,700 design seamlessly integrates cutting-edge innovation with an economically viable approach, with a strong focus on reducing the carbon footprint. We are grateful for the collaboration and support from Wärtsilä, who are committed to contributing to this project,” says Thomas van Meerkerk, who is responsible for Business Development & Innovation at Vertom.
The full scope of Wärtsilä’s supply includes the Wärtsilä 25 engine, NOx reducer, gearbox, controllable pitch propeller (CPP), transverse thruster, and the Wärtsilä ProTouch remote propulsion control system. Through the combined optimisation of the propeller, power supply and hull, these vessels will be able to achieve high efficiency and enhanced performance. In addition, all four vessels will be equipped with Wärtsilä EcoControl, which will further enhance the vessel power and propulsion system to balance the most efficient fuel consumption. By considering the vessel’s draught and other external conditions, this will be made possible by a smart control system that seeks and combines the optimal propeller pitch and engine loading automatically upon activation.
“This combination of solutions represents the latest advances in marine technology, offering both performance and environmental benefits. It underscores our commitment to decarbonising shipping operations and significantly increasing efficiencies, while at the same time lowering operating costs,” comments Luuk Hijlkema, Senior Sales Manager for Benelux, Wärtsilä Marine.
The vessels have been designed by Groot Ship Design and are under construction at Chowgule Shipyards in India. Groot Ship Design took the original wishes of Vertom and created the initial design. The project is also supported by Eekels Technology as the specialist for E-power & Drive systems and as the dedicated system integrator. The Wärtsilä and Eekels Technology scope was integrated into the final design, with the combined team working together on the integration and further optimisation of the performance of the vessels.
“Intensive collaboration between Groot Ship Design, Eekels Technology and Wärtsilä results in an optimal propulsion design and system integration,” adds Ulco Hoekstra, Manager Sales & Business development, Eekels Technology.
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