Can the Installation of Photovoltaics Motivate Households to Adopt Battery Electric Cars?

Dimitra Spyropoulou () and Milan Ščasný ()
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Dimitra Spyropoulou: Charles University Environment Centre, Charles University, Prague, Czech Republic

No 2025/16, Working Papers IES from Charles University Prague, Faculty of Social Sciences, Institute of Economic Studies

Abstract: This study investigates consumer preferences for passenger battery electric vehicles and their joint adoption with a residential solar photovoltaic system in Greece, where electric vehicle uptake remains low. Using discrete choice experiments, we analyse the preferences of 891 potential car buyers for conventional, hybrid, plug-in hybrid, and battery electric vehicles, comparing scenarios where a battery electric vehicle is offered alone or as a bundle with subsidised home solar photovoltaics. Results indicate that offering a technology bundle shifts consumer preferences, with the most notable effect being a decrease in the likelihood of choosing conventional vehicles. The willingness to pay for the bundle also exceeds that for battery electric vehicles, suggesting that installing PV systems adds value to BEVs. Key factors influencing adoption include purchase price, operating costs, wallbox subsidies, and normal charging time, while driving range and fast-mode charging do not seem to significantly affect consumer preferences. However, the analysis reveals substantial unobserved preference heterogeneity across all attributes. Robustness checks support the validity of our results. These findings suggest that integrated green technology bundles can accelerate low-carbon transport adoption, supporting the EU decarbonisation targets through complementary renewable energy and electromobility solutions.

Keywords: Battery Electric Vehicles; Photovoltaics; Technology bundle; Consumer choices; Discrete Choice Experiments; Willingness to Pay (search for similar items in EconPapers)
JEL-codes: C15 D12 D90 Q42 Q55 (search for similar items in EconPapers)
Pages: 52 pages
Date: 2025-09, Revised 2025-09
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