Author, as appears in the article.: Norouzi M; Colclough S; Jiménez L; Gavaldà J; Boer D
Department: Enginyeria Química Enginyeria Mecànica
URV's Author/s: Boer, Dieter-Thomas / Gavaldà Casado, Jordi / Jiménez Esteller, Laureano
Keywords: Renewable energy Life cycle assessment Environmental impacts Energy-efficient building Electricity mix
Abstract: This paper implements a Life Cycle Assessment of several low-energy/passive house buildings located in Northern Ireland. This work aims (i) to assess the environmental performance of the buildings and (ii) to evaluate the effect of electricity decarbonization on the dwellings’ global warming potential (GWP). Three different future electricity mix scenarios have been used and compared to a static scenario where the current electricity mix remains constant. The LCA results of the static scenario reveal that applying passive-house standards could reduce the impact of dwellings while it does not necessarily provide a positive environmental outcome. The building operation phase contributed the most to the environmental impact, while negligible impact comes from the end-of-life stage. The electricity decarbonization leads to a significant reduction of GWP in all cases, with the highest value achieved for the passive house using the highest share of electricity, 58%-70% GWP reduction compared to the static scenario. Moreover, electricity decarbonization increases the relative share of the production stage to the overall building emission. Therefore, close attention should be paid to construction material selection in any effort aiming to achieve further environmental benefits. The buildings' environmental and operational energy performances were also compared to the RIBA 2030 Climate Challenge.
Thematic Areas: Mechanical engineering Materiais Interdisciplinar Geociências Engineering, civil Engenharias iv Engenharias iii Engenharias ii Engenharias i Energy & fuels Electrical and electronic engineering Construction & building technology Civil and structural engineering Ciências ambientais Building and construction Arquitetura, urbanismo e design Arquitetura e urbanismo
licence for use: https://creativecommons.org/licenses/by/3.0/es/
Author's mail: jordi.gavalda@urv.cat laureano.jimenez@urv.cat dieter.boer@urv.cat
Author identifier: 0000-0002-3702-0422 0000-0002-3186-7235 0000-0002-5532-6409
Record's date: 2023-02-19
Papper version: info:eu-repo/semantics/publishedVersion
Link to the original source: https://www.sciencedirect.com/science/article/pii/S0378778822001074
Licence document URL: http://repositori.urv.cat/ca/proteccio-de-dades/
Papper original source: Energy And Buildings. 261
APA: Norouzi M; Colclough S; Jiménez L; Gavaldà J; Boer D (2022). Low-energy buildings in combination with grid decarbonization, life cycle assessment of passive house buildings in Northern Ireland. Energy And Buildings, 261(), -. DOI: 10.1016/j.enbuild.2022.111936
Article's DOI: 10.1016/j.enbuild.2022.111936
Entity: Universitat Rovira i Virgili
Journal publication year: 2022
Publication Type: Journal Publications
Repositori URV