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The impact on energy consumption of daylight saving clock changes

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  • Hill, S.I.
  • Desobry, F.
  • Garnsey, E.W.
  • Chong, Y.-F.

Abstract

The focus of this work is an investigation of the effect of prevailing time regime on energy consumption. In particular we perform analysis demonstrating potential energy savings which could be obtained were Great Britain to maintain daylight savings time (DST) over winter, instead of reverting to Greenwich mean time (GMT). We review the literature on the effect of DST on energy consumption and show that this indicates a justification for considering the issue. Our headline result is in agreement with many related studies in that advancing the clock by an hour in winter would lead to energy savings of at least 0.3% of daily demand in Great Britain. In deriving this result we have adopted methodologies currently used in load prediction, in particular Support Vector Regression, to estimate energy demand on a half-hourly basis. Corresponding cost savings are found to be higher (due to the nonlinear increase of costs) and we find them to be on the order of 0.6% over the months considered. In terms of environmental impact we find the saving to be approximately equivalent to 450,000Â ton of CO2. In deriving these results we adopt a conservative approach such that we consider them lower bounds on any true savings.

Suggested Citation

  • Hill, S.I. & Desobry, F. & Garnsey, E.W. & Chong, Y.-F., 2010. "The impact on energy consumption of daylight saving clock changes," Energy Policy, Elsevier, vol. 38(9), pages 4955-4965, September.
    • Handle: RePEc:eee:enepol:v:38:y:2010:i:9:p:4955-4965
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    References listed on IDEAS

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    1. Matthew J. Kotchen & Laura E. Grant, 2011. "Does Daylight Saving Time Save Energy? Evidence from a Natural Experiment in Indiana," The Review of Economics and Statistics, MIT Press, vol. 93(4), pages 1172-1185, November.
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    2. Havranek, Tomas & Herman, Dominik & Irsova, Zuzana, 2016. "Does Daylight Saving Save Energy? A Meta-Analysis," MPRA Paper 74518, University Library of Munich, Germany.
    3. Hugo Salas & Pedro Ignacio Hancevic, 2023. "The unexpected effects of daylight-saving time: Traffic accidents in Mexican municipalities," EconoQuantum, Revista de Economia y Finanzas, Universidad de Guadalajara, Centro Universitario de Ciencias Economico Administrativas, Departamento de Metodos Cuantitativos y Maestria en Economia., vol. 20(1), pages 1-29, Enero-Jun.
    4. Hancevic, Pedro & Margulis, Diego, 2016. "Daylight saving time and energy consumption: The case of Argentina," MPRA Paper 80481, University Library of Munich, Germany.
    5. Ahuja, Dilip R. & SenGupta, D.P., 2012. "Year-round daylight saving time will save more energy in India than corresponding DST or time zones," Energy Policy, Elsevier, vol. 42(C), pages 657-669.
    6. López, Miguel, 2020. "Daylight effect on the electricity demand in Spain and assessment of Daylight Saving Time policies," Energy Policy, Elsevier, vol. 140(C).
    7. Tomas Havranek, Dominik Herman, and Zuzana Irsova, 2018. "Does Daylight Saving Save Electricity? A Meta-Analysis," The Energy Journal, International Association for Energy Economics, vol. 0(Number 2).
    8. Kudela, Peter & Havranek, Tomas & Herman, Dominik & Irsova, Zuzana, 2020. "Does daylight saving time save electricity? Evidence from Slovakia," Energy Policy, Elsevier, vol. 137(C).
    9. Mirza, Faisal Mehmood & Bergland, Olvar, 2011. "The impact of daylight saving time on electricity consumption: Evidence from southern Norway and Sweden," Energy Policy, Elsevier, vol. 39(6), pages 3558-3571, June.
    10. Miguel López & Sergio Valero & Carlos Sans & Carolina Senabre, 2020. "Use of Available Daylight to Improve Short-Term Load Forecasting Accuracy," Energies, MDPI, vol. 14(1), pages 1-14, December.
    11. Flores, Daniel & Luna, Edgar M., 2019. "An econometric evaluation of daylight saving time in Mexico," Energy, Elsevier, vol. 187(C).
    12. Torriti, Jacopo, 2012. "Demand Side Management for the European Supergrid: Occupancy variances of European single-person households," Energy Policy, Elsevier, vol. 44(C), pages 199-206.
    13. Bircan, Çağatay & Wirsching, Elisa, 2023. "Daylight saving all year round? Evidence from a national experiment," Energy Economics, Elsevier, vol. 127(PB).
    14. 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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