Defining the Power and Energy Demands from Ships at Anchorage for Offshore Power Supply Solutions

Nikolaos P. Ventikos, Panagiotis Sotiralis, Manolis Annetis (), Marios-Anestis Koimtzoglou and Lina Keratsa
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Nikolaos P. Ventikos: School of Naval Architecture and Marine Engineering, National Technical University of Athens (NTUA), 9 Iroon Polytechniou St., Zografou, 157 73 Athens, Greece
Panagiotis Sotiralis: School of Naval Architecture and Marine Engineering, National Technical University of Athens (NTUA), 9 Iroon Polytechniou St., Zografou, 157 73 Athens, Greece
Manolis Annetis: School of Naval Architecture and Marine Engineering, National Technical University of Athens (NTUA), 9 Iroon Polytechniou St., Zografou, 157 73 Athens, Greece
Marios-Anestis Koimtzoglou: School of Naval Architecture and Marine Engineering, National Technical University of Athens (NTUA), 9 Iroon Polytechniou St., Zografou, 157 73 Athens, Greece
Lina Keratsa: School of Naval Architecture and Marine Engineering, National Technical University of Athens (NTUA), 9 Iroon Polytechniou St., Zografou, 157 73 Athens, Greece

Energies, 2025, vol. 18, issue 7, 1-26

Abstract: The maritime industry, following several conventions, regulations, and initiatives, is trying to adapt and limit its GHG and other local polluting emissions. A crucial aspect of these decarbonisation efforts is the provision of electric energy to vessels, either in port or stationed at anchorages. The latter prevents the option of receiving shore power to support their needs without operating their generators. Research and innovation efforts are attempting to fill this gap through several technology options. This study focuses on the systematic definition of the power and energy demands at anchorage to drive the design of such solutions, focusing on the materialisation of a modular and scalable power barge serving as an offshore power supply solution. Data for various ports and ship types were collected and analysed properly to extract significant insights. Results formulated baselines, per ship type and port, to be used for selecting power modules’ configurations and meeting these demands. This study, considering the lack of industry data regarding power demand, relies on existing studies, guidelines, and other literature to define power demand, which in turn introduces a great deal of uncertainty. Thus, a detailed statistical analysis was employed, together with probability modelling, in order to limit the uncertainty and provide a baseline for the power and energy demands to be verified by future studies capitalising on the accumulation of actual industry data.

Keywords: maritime industry; ship emissions; decarbonisation; electrification; shore-side electricity; power and energy demand; anchorage; offshore power supply; power barge (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2025
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