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A differentiated description of building-stocks for a georeferenced urban bottom-up building-stock model
Chalmers University of Technology, Sweden.ORCID iD: 0000-0002-5044-6989
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2016 (English)In: Energy and Buildings, ISSN 0378-7788, E-ISSN 1872-6178, Vol. 120, p. 78-84Article in journal (Refereed) Published
Abstract [en]

Several building-stock modelling techniques have been employed to investigate the impact of energy efficiency measures (EEM), where the description of the building-stock generally consists of an age-type classification to specify building characteristics for groups of buildings. Such descriptions lack the appropriate level of detail to differentiate the potential for EEM within age groups. This paper proposes a methodology for building-stock description using building-specific data and measured energy use to augment an age-type building-stock classification. By integrating building characteristics from energy performance certificates, measured energy use and envelope areas from a 2.5D GIS model, the building-stock description reflects the heterogeneity of the building-stock. The proposed method is validated using a local building portfolio (N = 433) in the city of Gothenburg, where modelled results for space heating and domestic hot water are compared to data from measurements, both on an individual building level and for the entire portfolio. Calculated energy use based on the building-stock description of the portfolio differ less than 3% from measured values, with 42% of the individual buildings being within a 20% margin of measured energy use indicating further work is needed to reduce or quantify the uncertainty on a building level.

Place, publisher, year, edition, pages
Elsevier Ltd , 2016. Vol. 120, p. 78-84
Keywords [en]
Building stock, Energy, GIS, Modelling, Residential, Energy efficiency, Energy utilization, Financial markets, Geographic information systems, Models, Building characteristics, Building stocks, Domestic hot water, Energy performance, Modelling techniques, Type classifications, Buildings
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-60855DOI: 10.1016/j.enbuild.2016.03.060Scopus ID: 2-s2.0-84962659533OAI: oai:DiVA.org:ri-60855DiVA, id: diva2:1704376
Note

Funding details: Energimyndigheten; Funding text 1: This research has been funded by the Swedish energy agency, NCC AB , the Climate-KIC and Chalmers Energy Area of Advance .

Available from: 2022-10-18 Created: 2022-10-18 Last updated: 2023-05-25Bibliographically approved

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Mangold, Mikael

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