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dc.contributor.authorHall, Monika
dc.contributor.authorBerggren, Björn
dc.contributor.authorWall, Maria
dc.date.accessioned2016-01-05T09:29:29Z
dc.date.available2016-01-07T09:53:31Z
dc.date.issued2013
dc.identifier.doihttp://dx.doi.org/10.1016/j.enbuild.2013.02.063
dc.identifier.urihttp://hdl.handle.net/11654/11981
dc.description.abstractThe basic concept of a Net Zero Energy Building (Net ZEB) is that on-site renewable energy generation covers the annual energy load. The main objective of this study is to analyse the increase of embodied energy compared to the decrease of the energy use related to building operation; partly by a literature review, partly by detailed analysis of eleven case studies; taking the step from a low energy building to a Net ZEB. The literature review shows that the metric of evaluation, assumed life-span, boundary conditions, age of database and the origin of database differ in different studies and influence the result of embodied energy. The relationship between embodied energy and life cycle energy use is almost linear for all cases studied herein. During the last two decades, embodied energy in new buildings has decreased slightly. However, the relative share of embodied energy related to life cycle energy use has increased. The detailed life cycle energy analysis show that taking the step from a low energy building to a Net ZEB results in a small increase of the embodied energy. However, the energy savings achieved in the annual operating energy balance clearly exceed the increase in embodied energy.
dc.language.isoen
dc.publisherElsevier
dc.relation.ispartofEnergy and Buildings
dc.accessRightsAnonymous
dc.subjectNet zero energy building
dc.subjectEmbodied energy
dc.subjectOperation energy
dc.subjectLife cycle energy
dc.subjectPrimary energy
dc.titleLCE analysis of buildings - Taking the step towards Net Zero Energy Buildings
dc.type01 - Zeitschriftenartikel, Journalartikel oder Magazin
dc.volume62
dc.audienceScience
fhnw.publicationStatePublished
fhnw.ReviewTypeAnonymous ex ante peer review of a complete publication
fhnw.InventedHereYes
fhnw.PublishedSwitzerlandNo
fhnw.pagination381-391
fhnw.IsStudentsWorkno


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