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Is ultrafast charging the future for electric vehicles in the Netherlands? A discrete choice experiment on user preferences for slow, fast and ultrafast charging

Have, S. ten (2019) Is ultrafast charging the future for electric vehicles in the Netherlands? A discrete choice experiment on user preferences for slow, fast and ultrafast charging.

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Abstract:Ultrafast charging, with speeds of 350 kW and more, is developing and will soon be available to electric vehicles (EV). Charging at such speeds implies being able to load a range of 100 kilometres in a couple of minutes. This research focuses on the user preferences of the approximately 45,000 current Dutch full electric drivers for slow charging, fast charging and ultrafast charging (RVO, 2018). The research goal is to investigate the feasibility of ultrafast charging of EV in the Netherlands, based on a user perspective. A stated choice experiment with 171 respondents has been carried out, after which multinomial logit and mixed logit models have been estimated based on random utility maximisation theory. In total, 57 variables including charging pointand user characteristics have been tested in the models. Charging point characteristics including price, proximity to shopping facilities or the absence of facilities, certainty of availability, and (not) having to make a detour are in uential factors for EV drivers in deciding which charging type to choose. Elasticity calculations do also show that price changes and (not) having to make a detour substantially affect user choices for the charging types. An interesting result from the model estimations is that when one finds comfort important, this increases one's likelihood of choosing ultrafast charging. Contrary to expectations, no significant results were found for, amongst others, urban density, age, technology awareness and importance of sustainability. Mixed logit models reveal that preference heterogeneity is found for ultrafast charging, but not for slow and fast alternatives. Additional semi-structured interviews with stakeholders emphasize the possible difference between expected and modelled users' preferences. Stakeholders acknowledge that the user perspective is important for their goals and strategies. The research results show that there is a possible future for ultrafast charging for EV in the Netherlands: people are willing to pay slightly more to charge ultrafast than to slow charge, but all else equal, they will also still opt for slow and regular fast charging. Keywords: electric vehicles; charging behaviour; ultrafast charging; stated preference; discrete choice modelling.
Item Type:Essay (Master)
Faculty:ET: Engineering Technology
Subject:55 traffic technology, transport technology
Programme:Civil Engineering and Management MSc (60026)
Link to this item:http://purl.utwente.nl/essays/80385
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