Our purpose is to promote rapid and large-scale uptake of Zero Emissions Ship Technology (ZEST). Zero Emissions means zero GHG emissions at point of use on the vessel with minimal upstream impacts. By combining zero emission technologies, we achieve zero emissions at a shipboard level faster. With today’s technologies we can achieve fully zero emissions now, particularly on smaller return to base vessels, and drastically reduce emissions on larger ocean going vessels with more complicated operational profiles.
“ZESTAs is like a lego set where no matter how you put together the pieces they always add up to zero.”
Madadh MacLaine, Secretary General
Combined Technologies
Batteries
Marine batteries are containers of one or more cells in which chemical energy is converted into electricity.
Modularity means that energy capacity can range from tens of kWh to multiple MWh, while power delivery is instant. Because the electricity is used directly with no conversion, batteries have the greatest energy efficiency of any fuel or energy storage system.
Hydrogen
Hydrogen when used as a fuel in hydrogen fuel cells provides efficient, silent, zero emission power generation.
Fuel cells convert hydrogen and oxygen into electricity, heat and pure water via an electrochemical energy conversion process, producing no NOx, SOx or CO2 emissions at all. Therefore, hydrogen fuel cells can be used on board vessels…
Wind
Wind propulsion is experiencing exponential growth in merchant shipping, including ocean-going vessels of > 100,000 dwt.
Wind propulsion technologies harness free and renewable energy from the wind to propel vessels. When used to assist other methods of propulsion, as is often the case with retrofits, wind propulsion can provide ~ 20% of propulsion…
Our mission is to:
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Promote the interests of the Zero Emissions Ship Technology Industry
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Inform regulators, policymakers, and the shipping industry about available zero emissions ship technologies (ZEST)
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Influence regulators and policymakers at national and international levels to introduce legislation that necessitates the uptake of ZEST
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Create a collaboration platform for ZEST providers
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Prevent catastrophic climate impacts by assisting commercial shipping to reduce emissions on a steep trajectory in line with 1.5 degrees
THE UN IPCC WARNS WE HAVE ONLY 6 YEARS TO PREVENT CLIMATE CHANGE CATASTROPHE
Fourth North Sea Ports and Maritime Conference
Fourth North Sea Ports and Maritime Conference
We’re pleased to announce that Madadh MacLaine, Secretary General of ZESTAs, and Jogchum Bruinsma, Chair of ZESTAs, will be speaking at the Fourth North Sea Ports and Maritime Conference on
14th GREEN4SEA Athens Forum
14th GREEN4SEA Athens Forum
The 14th GREEN4SEA Athens Forum is scheduled as a full day event (09:00 – 18:00) on Wednesday 12th of March 2025 at the Lighthouse of Stavros Niarchos Foundation Cultural Center
2nd GREEN4SEA Singapore Forum
2nd GREEN4SEA Singapore Forum
The 2nd GREEN4SEA Singapore Forum is scheduled as a full day event (12:30 – 18:15) on Friday 28th of March 2025 at the Marina Bay Sands, Singapore. This is a
Wings of Tomorrow – GT Wings Launches Cutting-Edge AirWing Technology to Lead Maritime Decarbonisation
Wings of Tomorrow – GT Wings Launches Cutting-Edge AirWing Technology to Lead Maritime Decarbonisation
VIP Launch Event to Showcase Innovation, Collaboration, and the Future of Clean Shipping London, UK – GT Wings, in collaboration with Carisbrooke Shipping, University of Bristol, and supported by Innovate
ZESTAs Achieve Major Milestone with First Submission to International Maritime Organisation
ZESTAs is committed to driving innovation in the shipping industry. In doing so, we are about to reach a major milestone by submitting a detailed white paper to the International Maritime Organisation (IMO) for the first time. This groundbreaking submission, ISWG-GHG 15/INF.2, provides the latest information concerning demonstrated zero emission shipping technologies and the extent of their commercialisation.
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