The effect of contract attributes on the willingness to participate in V2G contracts for EV and non-EV drivers in the Netherlands
A Discrete Choice Modelling Research
S.E. Margry (TU Delft - Technology, Policy and Management)
E.J.E. Molin – Mentor (TU Delft - Technology, Policy and Management)
E.J.L. Chappin – Mentor (TU Delft - Technology, Policy and Management)
J.J. Bakhuis – Mentor (TU Delft - Technology, Policy and Management)
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Abstract
This study examines the relative importance of contract attributes in the context of Vehicle-to-Grid (V2G) contracts by means of a choice experiment. The experiment was conducted with 67 Dutch car drivers, including both EV drivers and non-EV drivers. They were asked to choose between two V2G contracts with different contract attributes and an option “no V2G contract”. The contract attributes had varying levels of remuneration, guaranteed minimum driving range, and required plug-in time during weekdays and weekends.
The data collected was analyzed using a Multinomial Logit model (MNL) to estimate the utility function of the V2G contracts and to identify the most important attributes for the respondents. In addition, an estimation could be made of the preference for a V2G contract over no contract at all. The results showed that, surprisingly, the attribute remuneration had a relatively low importance coefficient and did not have a significant impact on the perceived utility of the respondents. On the other hand, it could be shown that consumers perceive different utility during weekdays and weekends, preferring more flexibility in the weekends. Guaranteed minimum driving range turned out to be the most important contract attribute.
The results show that there is a relatively high willingness to participate in V2G contracts among both EV drivers and potential future EV drivers. The results can be used by policymakers and aggregator companies to design V2G contracts more effectively and to promote the adoption of EVs in a more sustainable way, enhancing the energy transition. According to this study, the V2G system is profitable for the aggregator for various scenarios and appears promising. Some application possibilities are suggested in this research, from which it can be concluded that satisfaction can be achieved for all stakeholders involved.