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Effect of daylight saving time on lighting energy use: A literature review
Institute for Research in Construction, National Research Council, Ottawa, Canada.ORCID iD: 0000-0001-7520-1593
Institute for Research in Construction, National Research Council, Ottawa, Canada.
2008 (English)In: Energy Policy, ISSN 0301-4215, E-ISSN 1873-6777, Vol. 36, no 6, 1858-1866 p.Article, review/survey (Refereed) Published
Abstract [en]

The principal reason for introducing (and extending) daylight saving time (DST) was, and still is, projected energy savings, particularly for electric lighting. This paper presents a literature review concerning the effects of DST on energy use. Simple estimates suggest a reduction in national electricity use of around 0.5%, as a result of residential lighting reduction. Several studies have demonstrated effects of this size based on more complex simulations or on measured data. However, there are just as many studies that suggest no effect, and some studies suggest overall energy penalties, particularly if gasoline consumption is accounted for. There is general consensus that DST does contribute to an evening reduction in peak demand for electricity, though this may be offset by an increase in the morning. Nevertheless, the basic patterns of energy use, and the energy efficiency of buildings and equipment have changed since many of these studies were conducted. Therefore, we recommend that future energy policy decisions regarding changes to DST be preceded by high-quality research based on detailed analysis of prevailing energy use, and behaviours and systems that affect energy use. This would be timely, given the extension to DST underway in North America in 2007.

Place, publisher, year, edition, pages
2008. Vol. 36, no 6, 1858-1866 p.
Keyword [en]
Daylight saving time (summer time), Energy use, Lighting, Energy conservation, Energy efficiency, Energy policy, Energy utilization, Daylight saving time, Lighting energy use, Daylighting, decision making, demand-side management, electricity supply, North America
National Category
Building Technologies
URN: urn:nbn:se:hj:diva-31852DOI: 10.1016/j.enpol.2007.05.021ISI: 000257013600005OAI: diva2:973997
Available from: 2016-09-23 Created: 2016-09-23 Last updated: 2016-09-23Bibliographically approved

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Aries, Myriam
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