Household energy resilience in extreme weather events: An investigation of energy service importance, HVAC usage behaviors, and willingness to pay

Biao Kuang, Yangming Shi, Yuqing Hu, Zhaoyun Zeng and Jianli Chen

Applied Energy, 2024, vol. 363, issue C, No S0306261924004343

Abstract: Household energy resilience, particularly maintaining essential energy services within an acceptable and affordable level, is critical during extreme weather events (e.g., winter storms, heat waves) with power shortages or outages. However, the research on the importance and acceptable compromise levels of energy services, HVAC usage behavior changes, and willingness to pay (WTP) for energy services during disasters is limited. Therefore, this study investigates the importance and compromise of household energy services, HVAC usage behaviors, and WTP, as three key dimensions of household energy resilience, in both normal days and disaster scenarios through surveys (n = 485). First, 12 common residential end-uses are grouped into high, mid, and low-priority services using hierarchical clustering, in which high-priority services (perceived as important and un-compromisable) include food cooking and storage (refrigerator and freezer) and thermal comfort (space heating and cooling), mid-priority services involve water heating and lighting, while low-priority services are mostly related to entertainment and housework (e.g., TV, laundry). Also, HVAC use patterns demonstrate that occupants become more energy conservative during disasters, e.g., reducing durations of running HVAC and adjusting temperature setpoints to save energy. In terms of energy cost, approximately 60% of respondents are willing to pay more to maintain energy services during disasters, although only 13% are prepared to pay over double the normal energy prices. The regression models further reveal that household energy resilience varies across different socio-demographic groups (e.g., age, income, family size) and is impacted by disaster experience and beliefs in clean energy and climate. These research findings provide important perspectives to understand household energy resilience and inform measures for disaster adaptation of households in extreme weather events.

Keywords: Household energy resilience; Energy service; HVAC usage; Willingness-to-pay; Extreme weather events (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1016/j.apenergy.2024.123051

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