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Location matters: Daylight saving time and electricity demand

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  • Blake Shaffer

Abstract

The primary rationale for daylight saving time (DST) has long been energy savings. Whether it achieves this goal, however, remains a subject of debate. Recent studies, examining only one location at a time, have shown DST to increase, decrease or leave overall energy demand unchanged. Rather than concluding the effect is ambiguous, this paper is the first to test for heterogeneous regional effects based on differences in sun times (natural factors) and waking hours (societal factors). Using a rich hourly data set and quasi-experimental methods applied across Canadian provinces, this paper rationalizes the differing results, finding region-specific effects consistent with differences in sun times and waking hours. DST increases electricity demand in regions with late sunrises and early waking hours.

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  • Blake Shaffer, 2019. "Location matters: Daylight saving time and electricity demand," Canadian Journal of Economics, Canadian Economics Association, vol. 52(4), pages 1374-1400, November.
    • Handle: RePEc:cje:issued:v:52:y:2019:i:4:p:1374-1400
    DOI: 10.1111/caje.12407
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    2. Guven, Cahit & Yuan, Haishan & Zhang, Quanda & Aksakalli, Vural, 2021. "When does daylight saving time save electricity? Weather and air-conditioning," Energy Economics, Elsevier, vol. 98(C).
    3. Depalo, Domenico, 2023. "Should the Daylight Saving Time be abolished? Evidence from work accidents in Italy," Economic Modelling, Elsevier, vol. 128(C).

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    JEL classification:

    • C54 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Quantitative Policy Modeling

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