RINA Awards First-Ever AiP For Energy Harvesting Ship Concept
Our take

The recent approval in principle (AiP) granted by RINA to Drift Energy for their innovative energy-harvesting ship concept marks a significant milestone in the evolution of sustainable maritime technology. This certification is the first of its kind for a vessel designed to harvest energy from its surroundings, showcasing a pivotal step toward integrating renewable energy solutions into the shipping industry. The implications of this development are profound, especially considering the ongoing discussions around sustainability and efficiency in maritime operations. As highlighted in related discussions, such as the International Maritime Organization Adopts World’s First International Code For Autonomous Ships, the maritime sector is increasingly leaning into technological advancements to meet global environmental standards.
The concept of an energy-harvesting ship is not merely a technological novelty; it represents a paradigm shift in how vessels can operate within the marine ecosystem. By capturing energy from waves, currents, and even solar input, these ships could potentially reduce their reliance on traditional fossil fuels, thereby decreasing greenhouse gas emissions. This is particularly timely as the world grapples with the urgent need for action against climate change. The advancement aligns with broader maritime strategies, such as those outlined in the U.S. Navy Tests SEAL-Operated Submersibles With Underwater Drones To Expand Covert Maritime Operations, which emphasize innovation in operational capabilities while considering environmental impacts.
Moreover, this achievement sets a precedent for future innovations in maritime engineering. The successful implementation of energy-harvesting technologies could inspire a wave of similar projects across the industry, encouraging shipbuilders and operators to rethink design principles and operational strategies. It also opens up discussions on regulatory frameworks, as the maritime industry must adapt to accommodate new technologies and ensure safety and efficiency. The certification by RINA serves as a validation of Drift Energy’s concept and could prompt other organizations to pursue similar certifications for their projects, thereby fostering a collaborative environment for innovation.
As the maritime industry continues to confront the challenges posed by climate change and resource management, developments like the energy-harvesting ship concept will be crucial. This new vessel could serve not only as a model for future designs but also as a beacon of hope that technological innovation can lead to more sustainable practices. It raises important questions about the scalability of such technologies and their potential adoption across various types of vessels, from cargo ships to passenger ferries.
In conclusion, the granting of AiP for Drift Energy's ship concept is a noteworthy advancement in maritime technology with far-reaching implications for sustainability. It is essential for stakeholders across the industry to pay close attention to these developments, as they may shape the future of marine operations in ways we are only beginning to understand. As we look ahead, one must consider: how quickly can the industry adapt to these emerging technologies, and what role will they play in global efforts to achieve a sustainable marine environment?


RINA awarded an approval in principle (AiP) to Drift Energy for its energy-harvesting ship concept, the first such certification granted for this type of vessel.
The AiP also shows the collaboration between Drift and RINA to assess the technical and safety aspects of the vessel design.
Drift Energy is a UK-based startup which is developing vessels designed to generate, store and transport clean energy at sea.
The company said this is a major achievement and is a step towards full plan approval and eventual construction of what it calls a net-positive vessel.
“Our ships are set to play a pivotal role in the global energy transition,” said Ben Medland, the founder and CEO of Drift Energy.
“The AiP validates the vessel’s feasibility from a class perspective and is a key step toward full plan approval.”
The vessels are made to harness ocean wind with the help of hydro-kinetic turbines installed beneath the hull.
Electricity generated onboard is then converted into green hydrogen through electrolysis and stored for delivery to ports.
The company’s routing system, known as Goldilocks, uses AI to identify and follow optimal weather patterns, which allows maximum energy generation.
The ships are intended to support energy supplies for coastal and island regions and also those industries facing difficulties in decarbonisation due to grid limitations or limited access to renewable energy sources.
“This approval in principle underscores RINA’s commitment to supporting the safe and credible development of innovative vessel concepts that contribute to the energy transition,” said Patrizio Di Francesco, North Europe special projects business development manager and principal engineer at RINA.
Drift plans to launch its first vessel in 2027 and move toward series production, with an existing orderbook of over 30 ships.
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