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Techno-economic feasibility study of battery-powered ferries

Al-Falahi, MDA ORCID: 0000-0003-1951-4776, Coleiro, J, Jayasinghe, SDG ORCID: 0000-0002-3304-9455, Enshaei, H ORCID: 0000-0002-5649-7015, Garaniya, V ORCID: 0000-0002-0090-147X, Baguley, C and Madawala, U 2018 , 'Techno-economic feasibility study of battery-powered ferries', in Proceedings of 2018 IEEE 4th Southern Power Electronics Conference (SPEC) , IEEE, United States, pp. 1-7 , doi: 10.1109/SPEC.2018.8636010.

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Abstract

The move towards incorporating more-electric solutions inthe transportation sector has gained increased momentum during thelast decade. Cost of fossil fuels and environmental impacts of emissionsare the main driving factors behind this growing trend. Nevertheless,advancements in battery technologies are the key enablers for the widespreadapplication of electric alternatives in a more realistic manner.This paper looks into this trend from electric ferries perspective andpresents a technical and economic feasibility assessment. The technicalstudy includes sizing of the battery storage system based on Depth-of-Discharge (DOD) and maximum load scenario. The proposed sizing isvalidated against the measured load profile. The economic studyincludes initial investment, operational cost and maintenance cost of abattery powered electric ferry. The economic analysis considered thepayback period (PBP) and battery lifecycles as assessment factors. Thetechnical assessment results revealed that the proposed battery systemcan efficiently power the ferry within the stipulated DOD range. Themaximum DOD achieved is 70 %, which provided a reasonable lifetimeof 10.7 years. The economic analysis revealed that the battery’s DODhas significant effects on the investment cost of the system and the PBP.The PBP is found to be 6.7 years which is 37 % less than the lifetime ofthe battery. Overall, the battery-powered ferry is found to be feasiblewith 51.3% operational costs saving compared to the diesel-electricalternative.

Item Type: Conference Publication
Authors/Creators:Al-Falahi, MDA and Coleiro, J and Jayasinghe, SDG and Enshaei, H and Garaniya, V and Baguley, C and Madawala, U
Keywords: battery powered ferry, diesel electric ferry, energy storage system, payback period
Journal or Publication Title: Proceedings of 2018 IEEE 4th Southern Power Electronics Conference (SPEC)
Publisher: IEEE
DOI / ID Number: 10.1109/SPEC.2018.8636010
Copyright Information:

Copyright 2018 IEEE

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