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The potential for large-scale savings from insulating residential buildings in the EU

  • Energy used in buildings is responsible for more than 40% of energy consumption and greenhouse gas (GHG) emissions of the EU and their share in cost-efficient GHG mitigation potentials is estimated to be even higher. In spite of its huge savings potential of up to 80%, achievements are very slow in the building sector and much stronger political action seems to be needed. One important step in this direction has been the recast of the Energy Performance of Buildings Directive (EPBD) in autumn 2009. However, strong national implementation including powerful packages of flanking measures seems to be crucial to really make significant progress in this important field. In order to directly improve political action, we provide a differentiatedEnergy used in buildings is responsible for more than 40% of energy consumption and greenhouse gas (GHG) emissions of the EU and their share in cost-efficient GHG mitigation potentials is estimated to be even higher. In spite of its huge savings potential of up to 80%, achievements are very slow in the building sector and much stronger political action seems to be needed. One important step in this direction has been the recast of the Energy Performance of Buildings Directive (EPBD) in autumn 2009. However, strong national implementation including powerful packages of flanking measures seems to be crucial to really make significant progress in this important field. In order to directly improve political action, we provide a differentiated country-by-country bottom up simulation of residential buildings for the whole EU, Norway, Iceland, Croatia and Liechtenstein. The analysis provides a database of the building stock by construction periods, building types, as well as typical building sizes. It includes a simulation of the thermal quality and costs of the components of the building shell for new buildings as well as the refurbishment of the existing building stock. Based on this differentiated analysis, we show in detail what would be needed to accelerate energy savings in the building sector and provide a more precise estimate of the potentials to be targeted by particular policies. We demonstrate, e.g. that the potential of building codes set via the EPBD would be located mainly in those countries that already have quite stringent codes in place. We show as well the high relevance of accelerating refurbishments and re-investment cycles of buildings. By providing a clear estimate of the full costs related to such a strategy, we highlight a major obstacle to accelerated energy-efficient building renovation and construction.show moreshow less

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Metadaten
Document Type:Peer-Reviewed Article
Author:Stefan LechtenböhmerORCiDGND, Andreas Schüring
URN (citable link):https://nbn-resolving.org/urn:nbn:de:bsz:wup4-opus-35877
Year of Publication:2010
Language:English
Source Title (English):Energy efficiency
DOI:https://doi.org/10.1007/s12053-010-9090-6
Volume:4
Issue:2
First Page:257
Last Page:270
Release Date:2011/11/04
Division:Zukünftige Energie- und Mobilitätsstrukturen
Dewey Decimal Classification:320 Politik
Licence:License LogoIn Copyright - Urheberrechtlich geschützt