Conference Agenda
Overview and details of the sessions of this conference. Please select a date or location to show only sessions at that day or location. Please select a single session for detailed view (with abstracts and downloads if available).
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Daily Overview |
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Renewable Energy 4: Evidence from Different Choice Modelling Location: B133 Session Chair: Kumai Kokash, University of Kassel | |
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Heterogeneity in preferences for vehicle-to-grid charging tariffs: A Stated Preference Analysis for Germany University of Kassel, Germany The ongoing transformation of the energy system in Germany is fundamentally changing how energy is generated, balanced, and consumed. The Vehicle-to-Grid (V2G) technology, through which electric vehicles not only consume electricity but can also feed it back into the grid, offers a promising solution for stabilizing the energy grid and enhancing the integration of renewable energy. This study empirically examines individuals’ preferences for V2G charging tariffs us ing a stated choice experiment conducted with 6,198 citizens in Germany. Respondents chose between three different V2G tariffs and an opt-out choice option, with tariffs varying in attrib utes such as minimum monthly plug-in hours, fixed and variable remuneration, and guaranteed minimum range. Using mixed logit models in willingness-to-accept (WTA) space, the results reveal a strong preference for the opt-out option, suggesting general skepticism toward V2G. However, respondents exhibit clear trade-offs: They are willing to forgo 2.33 € in fixed remu neration for an additional kilometer of guaranteed range, but require 1.32 € as a compensation for an extra hour of minimum plug-in time. Our empirical analysis also highlights the presence of strong heterogeneity in preferences based on individual characteristics. For example, among respondents with EV purchase intentions, WTA for a V2G charging tariff varies by vehicle ownership. Our findings provide valuable insights for policymakers aiming to design effective and widely accepted V2G tariffs, emphasizing the importance of financial incentives, flexible tariff structures, and targeted awareness campaigns to foster participation in V2G programs. | |