A human-centered design approach to evaluating factors in residential solar PV adoption: A survey of homeowners in California and Massachusetts

Qifang Bao, Ekaterina Sinitskaya, Kelley J. Gomez, Erin F. MacDonald and Maria C. Yang

Renewable Energy, 2020, vol. 151, issue C, 503-513

Abstract: The adoption rate of residential solar photovoltaic (PV) systems in the US has grown exponentially in the past two decades. However, from a human-centered design perspective, there is a lack of clear understanding of what current users need and want from solar PV systems and from the experience of installing solar. In this study, we interviewed 18 solar stakeholders and conducted surveys of 1,773 homeowners including both solar adopters and non-adopters in California and Massachusetts. We analyzed the data using discrete choice theory and showed that cost savings, solar system reliability, installer warranty, and reviewer ratings of the installer were the most important factors when these homeowners considered purchasing a solar system. Preference differences were discovered between adopters and non-adopters, and with state, age, and income. Via surveys of current solar adopters’ experiences of installing residential solar panels, we found that solar owners ranked installer reliability as even more important than price. The findings are intended to inform designers, engineers, and manufacturers as they create more compelling residential solar PV systems and to inform installers in designing better installation services. The ultimate goal is to promote renewable energy technology and reduce global greenhouse gas emissions.

Keywords: Residential solar PV; Clean energy adoption; Human-centered design; User needs and preferences; Discrete choice modeling (search for similar items in EconPapers)
Date: 2020
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Citations: View citations in EconPapers (15)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:151:y:2020:i:c:p:503-513

DOI: 10.1016/j.renene.2019.11.047

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