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Zero Emission Network Of Workboats (ZENOW)

Abstract

ZENOW Project Overview



The ZENOW project, led by RS Electric Boats in collaboration with 15 UK-based marine entities, aims to deliver a fleet of 15 electric workboats with the support of £5.4 million in funding, including a £4.1 million grant from UK SHORE and Innovate UK. These innovative vessels, featuring Pulse 63 and Pulse 950 models equipped with RAD Propulsion electric drives, are set to be delivered to nine UK locations by July 2025.



Key Objectives



To ensure the ZENOW project delivers maximum impact and positions the UK as a leader in green maritime technology, we are introducing targeted adjustments to the project’s scope and funding allocation. These changes are designed to push the boundaries of current electric maritime technology and enhance the operational effectiveness of the fleet.



This three-year demonstration initiative focuses on collecting operational data to optimise the use of electric boats. The project aspires to:

• Promote global adoption of electric technology in small harbours and marinas.

• Reduce emissions and environmental impact.

• Create a replicable model for transitioning to electric maritime operations.

• Establish the UK as a global leader in green maritime technology.



Key data will be collected and analysed with the support of our partners: RAD Propulsion, Aqua Marine, the University of Plymouth, and Urban Truant.



Main Areas of Focus

1. WP 1 – Project Management (RS Electric Boats)

2. WP 2 – Design and construction of Cheetah catamaran vessels/RIBs (RS Electric Boats)

3. WP 3 – Drive system delivery (RAD Propulsion)

4. WP 4 – Installation of charging infrastructure (Aqua Marine)

5. WP 5 – Outreach, knowledge sharing, exploitation, and impact (RS Electric Boats)

6. WP 6 – Data analysis preparation (University of Plymouth)

7. WP 7 – Through-life sustainability analysis for electric boats (University of Plymouth)

8. WP 8 – Development of mobility use case tools (water taxi/RIB) (Urban Truant)

9. WP 9 – Demonstration planning, training, and preparation (RS Electric Boats)

10. WP 10 – Reporting from the build phase (RS Electric Boats)



Innovative Adjustments to Scope





One key focus is on the hull construction of the Pulse 950 model. By developing a lighter, more efficient hull design, we can significantly improve the vessel’s range and operational flexibility. This innovation will not only enhance performance but also address one of the critical challenges in the adoption of electric maritime technology: energy efficiency. A lighter hull allows for extended operational use, reduced energy consumption, and the ability to handle a wider range of use cases, making these vessels more competitive with traditional diesel-powered boats.



Additionally, these advancements will provide an invaluable opportunity to gather data on the interplay between vessel design, propulsion systems, and charging infrastructure. The insights gained from this research will contribute to refining best practices for electric boat construction, optimising energy usage, and advancing the overall electric maritime ecosystem.



Beyond technical enhancements, the reallocation of resources enables us to better address sustainability challenges. This includes an analysis of through-life sustainability, ensuring that the materials, production processes, and operational lifecycle of these vessels align with net-zero objectives. By demonstrating the viability of lighter, more efficient electric workboats, we hope to inspire broader adoption of this technology in harbours and marinas worldwide.



These scope adjustments also create opportunities for enhanced training and demonstration planning, allowing end-users to better understand the benefits and capabilities of electric vessels. This collaborative, data-driven approach will strengthen the case for replacing fossil fuel-powered boats with greener alternatives, thereby accelerating the industry’s transition to sustainable practices.



Ultimately, these innovations will reinforce the UK’s position at the forefront of maritime decarbonisation, showcasing not only technological advancements but also the collaborative strength of UK-based partners in driving meaningful change in the global maritime sector.

Publications

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