The impacts of optimization approaches on BEB system configuration in transit

Ahmed Foda and Moataz Mohamed

Transport Policy, 2024, vol. 151, issue C, 12-23

Abstract: Battery-electric buses (BEBs) are considered suitable technology for transit to tackle climate change and promote environmentally friendly mobility solutions. However, the systemic configuration of BEBs in transit requires sophisticated planning efforts due to contradictory objectives and decisions. The optimal design of a BEB transit system is often approached from various perspectives, leading to different system configurations and distinct impacts on the electricity grid. Towards that end, this study develops three BEB system configuration optimization models, including minimizing capital costs, electricity costs, and greenhouse gas (GHG) emissions. All three models inform the optimal charging system configuration, BEBs battery capacity, and BEBs charging schedule for a general hub-and-spoke transit network. The proposed models are applied to a case study of the Belleville City, Ontario, Canada, bus transit network. The results demonstrate that BEB system configuration and GHG emissions vary significantly according to the optimization perspective. Moreover, the findings emphasize the importance of using the energy storage system to reduce electricity costs and GHG emissions.

Keywords: Transit electrification; Battery electric buses; Charging station infrastructure; Charging schedule; Optimization model (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1016/j.tranpol.2024.03.015

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