Wärtsilä will deliver an integrated hybrid propulsion system for a 9,500 deadweight tonnage (DWT) bulk carrier under construction at the Royal Bodewes shipyard in the Netherlands for Norwegian shipowner Aasen Shipping.
This vessel is the latest in a series of six ships to feature a similar Wärtsilä scope of supply. The order was booked in Q3 2025.
In response to increasingly stringent decarbonisation targets, Aasen Shipping is prioritising the latest technologies to reduce emissions, lower fuel costs, and minimise carbon-related expenses.
Combined with the highly efficient and flexible Wärtsilä 25 engine, the hybrid propulsion system will allow Aasen Shipping to optimise operations, save fuel, and enhance environmental sustainability across its six new bulk carriers.
Torbjørn Torkelsen, CEO, Aasen Shipping, stated: “The support from Wärtsilä and the performance efficiency of their equipment with the earlier ships in this series have strongly contributed to our dedication to operating efficient and cleaner cargo transport.
“In addition, Wärtsilä’s 25 main engine is designed to be future-proof, meaning we can switch to sustainable fuels as they become available, further supporting our ambitions for long-term environmental sustainability.”
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The vessel will operate with a six-cylinder Wärtsilä 25 main engine fitted with a Wärtsilä NOx Reducer, Wärtsilä gearbox, controllable pitch propeller with shaft line, and Wärtsilä ProTouch remote propulsion control system.
The hybrid system includes a DC hub, 620 kilowatts per hour (kWh) battery capacity, and integrated control, battery, power, and energy management systems.
The Wärtsilä 25 engine is a medium-speed, 4-stroke marine engine designed for easy upgrades to operate on future low- or zero-carbon fuels. Available in 6L to 9L configurations, it delivers 1.7–3.4 megawatts (MW) of power and can be used as a main or auxiliary engine.
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Roger Holm, President of Wärtsilä Marine & Executive Vice President at Wärtsilä Corporation, commented: “The need to decarbonise shipping is driving the industry towards increasingly flexible, electrified and hybridised solutions, with sustainable fuel readiness also being built into newbuild solutions today.
“Our hybrid propulsion systems are designed to allow vessels to run efficiently across various operating modes, adapting seamlessly to changing conditions. This flexibility contributes to improved fuel efficiency and enhances overall performance.”
The Wärtsilä equipment is scheduled for delivery to the Royal Bodewes shipyard in the first half of 2027.
For more information:
Wärtsilä – https://www.wartsila.com/
Aasen Shipping – https://aasenshipping.com/
