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The importance of time zone assignment: evidence from residential electricity consumption

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  • Weinhardt, Felix

Abstract

This paper presents the first nationwide empirical assessment of residential electricity use in response to the timing of daylight. Employing Geographical Information Systems (GIS) solar times of sunrise and sunset are calculated for all geographical locations in mainland USA. This is used to uncover the non-standard variation in sunrise times in standard local time over space, depending on time zone, daylight saving time, and geographical position within time zone. This variation is subsequently used to uncover county-level responses in residential electricity consumption to changes in sunlight. I find no robust overall effect of sunrise times, but early sunrise is associated with lower residential electricity use in the North, but higher consumption in the South. These results would suggest that additionally splitting the USA into time-zones horizontally could reduce the total annual residential electricity bill, but further research is needed to examine the behavioral channels that could give rise to these effects.

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  • Weinhardt, Felix, 2013. "The importance of time zone assignment: evidence from residential electricity consumption," LSE Research Online Documents on Economics 59253, London School of Economics and Political Science, LSE Library.
    • Handle: RePEc:ehl:lserod:59253
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    File URL: http://eprints.lse.ac.uk/59253/
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    Cited by:

    1. Havranek, Tomas & Herman, Dominik & Irsova, Zuzana, 2016. "Does Daylight Saving Save Energy? A Meta-Analysis," MPRA Paper 74518, University Library of Munich, Germany.
    2. Tomas Havranek & Dominik Herman & Zuzana Irsova, 2018. "Does Daylight Saving Save Electricity? A Meta-Analysis," The Energy Journal, , vol. 39(2), pages 35-61, March.
    3. Bergland, Olvar & Mirza, Faisal, 2017. "Latitudinal Effect on Energy Savings from Daylight Savings Time," Working Paper Series 08-2017, Norwegian University of Life Sciences, School of Economics and Business.

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    More about this item

    Keywords

    time-use; time zones; daylight saving; energy consumption; GIS;
    All these keywords.

    JEL classification:

    • J1 - Labor and Demographic Economics - - Demographic Economics

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