Abstract Recent advances in battery technology have opened the possibility for short-haul electric flight. This is particularly attractive for commuter airlines that operate in remote regions such as archipelagos or Nordic fjords where the geography impedes other means of transportation. In this paper we address the question of how to optimize the charging infrastructure (charging power, spare batteries) for an airline when considering a battery swapping system. Our analysis considers the expenditures needed for (i) the significant charging power requirements, (ii) spare aircraft batteries, (iii) the used electricity, and (iv) delay costs, should the infrastructure not be sufficient to accommodate the flight schedule. The main result of this paper is the formulation of this problem as a two-phase recourse model. This is required to account for the variation of the flight schedule throughout a year of operations. With this, both the strategic (infrastructure sizing) and tactical (battery recharge scheduling) planning are addressed The model is applied for Widerøe Airlines, with a network of 7 hub airports and 36 regional airports in Norway. The results show that a total investment of 4412 kW in electricity power supply and 25 spare batteries is needed for the considered network, resulting in a daily investment of €11700. We also quantify the benefits of considering an entire year of operations for our analysis, instead of just one congested day (7% cost reduction) or one average day of operations (31% reduction) at the most congested airport.

    Highlights Formulation of a model to optimize recharging for a fleet of electric aircraft. Minimization of the sum of the infrastructure acquisition and operational costs. A Recourse model is used to account for variation in flight traffic during the year. A test of the model in a case study on a year of operations of Widerøe Airlines.


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    Title :

    Optimizing the battery charging and swapping infrastructure for electric short-haul aircraft—The case of electric flight in Norway


    Contributors:


    Publication date :

    2023-08-18




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




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