
Ultramax Bulker Gets OceanWings Wind Propulsion System | Mariner News
The Ultramax bulk carrier Maria Topic has officially returned to service after being outfitted with OceanWings’ rigid wingsail wind propulsion system. This significant retrofit operation was successfully completed at Tsuneishi Shipbuilding in Japan, heralding a notable stride in sustainable maritime solutions for existing vessels.
This project serves as a crucial demonstration of how wind-assisted propulsion can be effectively added to existing commercial ships. It highlights a practical pathway for the maritime industry to reduce its carbon footprint and enhance environmental performance across the global fleet.
Driving Green Shipping Innovation
The initiative to equip the Maria Topic with the advanced wind propulsion system was a collaborative undertaking. It involved the vessel’s owner, Topic, alongside Tsuneishi Shipbuilding and OceanWings.
Tsuneishi Shipbuilding contributed its extensive expertise in ship repair and retrofit projects, ensuring seamless integration of the new technology. OceanWings, in turn, showcased its proven capability to manufacture and install its innovative system on commercial vessels, affirming its commitment to advancing green shipping technologies.
Anticipated Operational Data Release
Stakeholders and industry observers are keenly awaiting initial operational data from the Maria Topic. OceanWings and Topic have announced plans to share these vital performance insights at SMM Hamburg in September.
This data will be instrumental in demonstrating the real-world efficiency gains and environmental benefits derived from wind propulsion on a working bulk carrier. Such evidence is critical for broader adoption within the industry.
Supported by EU Initiatives
The retrofit project also benefited from the support of the EU-funded WHISPER project. The WHISPER initiative focuses on developing and implementing comprehensive retrofit solutions that combine wind-assisted propulsion with integrated renewable onboard energy systems.
This broader EU backing underscores the international commitment to fostering innovative sustainable practices in the maritime sector, positioning the Maria Topic’s upgrade as a key example of forward-thinking environmental stewardship.



