A differentiated description of building-stocks for a georeferenced urban bottom-up building-stock model
Artikel i vetenskaplig tidskrift, 2016

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.

GIS

Residential

Building stock

Modelling

Energy

Författare

Magnus Österbring

Chalmers, Bygg- och miljöteknik, Byggnadsteknologi

Erika Mata Las Heras

Chalmers, Energi och miljö, Energiteknik

Liane Thuvander

Chalmers, Arkitektur

Mikael Mangold

Chalmers, Bygg- och miljöteknik, Vatten Miljö Teknik

Filip Johnsson

Chalmers, Energi och miljö, Energiteknik

Holger Wallbaum

Chalmers, Bygg- och miljöteknik, Byggnadsteknologi

Energy and Buildings

0378-7788 (ISSN)

Vol. 120 78-84

Omställning mot hållbar tillväxt av byggnadståndet på områdesnivå

Energimyndigheten, 2014-07-01 -- 2017-12-31.

Styrkeområden

Building Futures

Energi

Ämneskategorier

Samhällsbyggnadsteknik

DOI

10.1016/j.enbuild.2016.03.060

Mer information

Senast uppdaterat

2018-08-28