Europe’s maritime sector is facing a major technological transition as it seeks to drastically reduce greenhouse gas emissions while maintaining competitiveness and safety.
A new Nordic–Baltic initiative, coordinated by Tallinn University of Technology (TalTech), aims to address this challenge by developing scalable solutions for low-emission shipping.
Instead of relying solely on building new vessels, the initiative focuses on retrofitting existing fleets—upgrading propulsion systems, integrating alternative fuels such as hydrogen, methanol and ammonia, and applying digital technologies including AI-supported navigation and digital twins.
The alliance brings together partners from Estonia, Finland and Norway, combining academic research, industry expertise and policy development. Participants include research organisations, universities and innovation ecosystem actors working together to accelerate the adoption of sustainable maritime solutions across Europe.
Planned activities include the development of advanced testing facilities for alternative fuels, maritime cybersecurity and digital resilience, as well as simulation environments for retrofit technologies. The initiative will also establish a dedicated “Retrofit Hub” to connect shipowners, ports, technology developers and researchers.
“Europe’s maritime sector must decarbonise rapidly, but replacing entire fleets is not realistic,” said Roomet Leiger, director of the Estonian Maritime Academy at TalTech and coordinator of the initiative. “Retrofitting existing vessels, ports and energy systems can accelerate the transition to low-emission shipping while keeping the industry competitive.”
The project aligns with European climate and industrial policies, including the EU’s Fit for 55 package and FuelEU Maritime regulation, which are driving urgent demand for cleaner and more efficient maritime transport solutions.
By combining technological innovation with cross-sector collaboration, the alliance aims to strengthen Europe’s capacity to deliver both the green and digital transition of maritime transport.
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