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11/12/2024 Through concerted action to address various areas and developing an appropriate holistic international legal framework, "the maritime industry and regulatory bodies can address both technical and societal challenges, enabling nuclear power to become a viable, sustainable solution in merchant shipping," concludes a 583-page report just published by the European Maritime Safety Agency. Highlights from the EMSA-commissioned report on the potential use of nuclear power for shipping were presented during a recent workshop on alternative fuels and power solutions for shipping and ports by one of the authors from the American Bureau of Shipping (ABS). Texas A&M University and Arcsilea also contributed to the comprehensive study. EMSA, which serves European Union maritime interests for a safe, secure, green and competitive maritime sector, initiated the study on the potential for nuclear-electric ships in response to multiple requests from Member States and industry stakeholders, the workshop heard. The report, published on 5 December, notes that the EU has identified nuclear energy as a sustainable source of energy able to assist in meeting its zero-emission goal and therefore is eligible to obtain green sustainable financing. Nuclear propulsion has mainly been used on military ships and icebreakers in the Arctic so far, but is now seen as a pathway that can contribute to decarbonising commercial shipping. It does, however, present "a series of challenges that will need first to be addressed in relation to production, safety, security, training and also liability and insurance regime," the report says. Below is a brief summary of some of the study's key findings: • Nuclear Technology is key. 'Generation IV' reactors hold promise to deliver compact, intrinsically safe, reliable, long-term power on ships with some reactor technologies looking more suitable for marine use than others. • Risk and Safety: The study assessed several potential designs for nuclear-powered vessels from the risk and safety perspectives and concluded that further detailed studies to better understand the risks and additional safeguards will be needed. • Supply chain: Issues related to nuclear fuel availability and infrastructure for commercial use need to be solved, including waste disposal. • Emissions: Nuclear propulsion presents a unique advantage with almost no well-to-wake GHG emissions, and eliminates local air pollutants created by combustion engines. • TCO: Total cost of ownership for nuclear-powered vessels is estimated to be similar to that of comparable vessels running on conventional fuel oils during the initial years of operations, but lower over time. • Regulations: Facilitating the adoption of nuclear power on merchant ships may require modernisation of regulatory frameworks to promote safety, environmental protection, technology integration and a comprehensive liability regime. Creating and updating regulations would need to include an active 'partnership' of industry and national and international regulatory authorities as well as classification societies. 
Image by Core Power CORE POWER, press release 
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