The Port of Leith in the UK recently introduced the country's first green hydrogen shore power demonstrator, a pioneering project aimed at reducing carbon emissions in maritime port operations. This initiative, supported by Innovate UK and the UK Department for Transport, offers clean shore power to large tugboats operated by Targe Towing. By utilizing hydrogen as an alternative fuel source, the project signifies a major step towards decarbonizing the maritime industry. The collaboration between public and private sectors highlights a commitment to sustainable energy practices and the adoption of green technologies. The successful implementation of this project not only showcases the feasibility of hydrogen-based solutions in port operations but also sets a precedent for future innovations in the sector. With government support and a focus on decarbonisation, the Port of Leith's green hydrogen shore power project exemplifies the industry's shift towards environmentally friendly practices and cleaner energy sources.