Optimal Port Microgrid Scheduling Incorporating Onshore Power Supply and Berth Allocation Under Uncertainty

Yue Zhang, Chengji Liang, Jian Shi, Gino Lim and Yiwei Wu

Applied Energy, 2022, vol. 313, issue C, No S0306261922002926

Abstract: The high environmental impacts of maritime transportation have led to an increasing interest in adopting electricity as the ideal energy source within the sector. In this paper, we propose a novel integrated day-ahead scheduling algorithm to jointly optimize the seaside/yard operation and the port energy system management within one unified framework by harnessing the synergy between two of the most prominent maritime electrification techniques: onshore power supply and microgrid. We formulate the joint scheduling problem as a two-stage model. In the first stage, the port authority determines the optimal berth allocation for the incoming vessels considering their cargo volumes, energy demands, and the availability of OPS facility and cargo handling equipment (i.e., quay/yard cranes). In the second stage, acting as the port microgrid operator, the port authority determines the optimal day-ahead scheduling of the container handling activities and operation of port microgrid assets for each time slot. Uncertainty from renewable energy generation and port load forecast is also incorporated in the problem formulation. The simulation-based case study shows that the proposed joint scheduling algorithm is capable of enhancing energy independence, system-wide efficiency, operational reliability, and economy of the port microgrid in comparison with the conventional berth allocation strategy. We hope our work provides insights into how electrification can help the maritime sector reinforce its commitment to sustainability while remaining competitive.

Keywords: Maritime transportation; Transportation Electrification; Onshore power supply; Port energy system; Microgrid (search for similar items in EconPapers)
Date: 2022
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Citations: View citations in EconPapers (12)

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DOI: 10.1016/j.apenergy.2022.118856

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