Turkey Targets Zero-Emission Port by 2031 Ahead of COP31
Istanbul plans to electrify its tugboat fleet to eliminate carbon emissions at Tuzla port.
1Ambitious Decarbonization Goal
Turkey aims to transform the Tuzla port in Istanbul into the world’s first zero-emission port by 2031. This initiative, led by the Turkish Shipbuilders Association, focuses on replacing diesel-powered tugboats with electric alternatives. The project serves as a key showcase for the nation's environmental commitments ahead of the upcoming COP31 climate conference.
2Strategic Maritime Location
The Bosphorus and Turkish straits are critical global trade arteries, handling 3% of world maritime commerce, including oil and grain shipments. In 2025 alone, over 40,000 vessels traversed these waters. Given this high traffic, Istanbul has become a strategic hub for ship maintenance, repair, and the development of sustainable maritime infrastructure technologies.
3Electric Tugboat Fleet
Since 2020, the Tuzla port has integrated four electric tugboats into its operations. Manufactured by the local firm Navtek, these vessels have already prevented over 2,500 tons of carbon dioxide emissions. Each tugboat features 350 battery cells with a 3,800 kW capacity, capable of fully charging in just 90 minutes for operation.
4Economic and Operational Efficiency
Although building electric tugboats costs 50% more than diesel versions, the investment is offset by lower operational expenses. Energy costs are 30% cheaper, and maintenance requirements are 85% lower than traditional models. The industry has funded this transition entirely through private investment, demonstrating the financial viability of green maritime technology without government subsidies.
5Technological Performance Metrics
The electric tugboats provide a traction capacity of 50 tons, sufficient for maneuvering large cargo ships. They offer four to five hours of autonomy per charge and have logged over 9,000 hours of operation. With only 2% of their lifecycle spent in maintenance, these vessels prove that electric propulsion is highly reliable.
6Infrastructure and Expansion Plans
Achieving the zero-emission goal requires a 70 million euro investment in charging infrastructure and renewable energy sources. The plan includes constructing dedicated solar and wind power plants alongside battery storage systems. These upgrades are essential to support a larger fleet and the broader electrification of all port services by 2031.
7Global Environmental Impact
The maritime industry often overlooks small vessels, yet they represent a significant source of emissions. If global diesel tugboats remain unchanged until 2032, they will emit an estimated 500 million tons of greenhouse gases. Turkey’s model highlights that mature, existing technologies can provide an immediate solution to this overlooked environmental challenge.
8International Collaboration Potential
As Turkey prepares to host COP31, it seeks to promote its electrification expertise globally. The Turkish Shipbuilders Association has already initiated discussions with Brazilian shipyards to share industrial knowledge. By fostering international partnerships, Turkey aims to demonstrate how emerging economies can lead in the transition toward sustainable and green maritime logistics.
Original article: Folha de S.Paulo — Turkey Targets Zero-Emission Port by 2031 Ahead of COP31