Benchmarks for Embodied and Operational Energy Assessment of Hellenic Single-Family Houses

Building energy performance benchmarking increases awareness and enables stakeholders to make better informed decisions for designing, operating, and renovating sustainable buildings. In the era of nearly zero energy buildings, the embodied energy along with operational energy use are essential for...

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Main Authors: Elena G. Dascalaki, Poulia A. Argiropoulou, Constantinos A. Balaras, Kalliopi G. Droutsa, Simon Kontoyiannidis
Format: Article
Language:English
Published: MDPI AG 2020-08-01
Series:Energies
Subjects:
Online Access:https://www.mdpi.com/1996-1073/13/17/4384
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author Elena G. Dascalaki
Poulia A. Argiropoulou
Constantinos A. Balaras
Kalliopi G. Droutsa
Simon Kontoyiannidis
author_facet Elena G. Dascalaki
Poulia A. Argiropoulou
Constantinos A. Balaras
Kalliopi G. Droutsa
Simon Kontoyiannidis
author_sort Elena G. Dascalaki
collection DOAJ
description Building energy performance benchmarking increases awareness and enables stakeholders to make better informed decisions for designing, operating, and renovating sustainable buildings. In the era of nearly zero energy buildings, the embodied energy along with operational energy use are essential for evaluating the environmental impacts and building performance throughout their lifecycle. Key metrics and baselines for the embodied energy intensity in representative Hellenic houses are presented in this paper. The method is set up to progressively cover all types of buildings. The lifecycle analysis was performed using the well-established SimaPro software package and the EcoInvent lifecycle inventory database, complemented with national data from short energy audits carried out in Greece. The operational energy intensity was estimated using the national calculation engine for assessing the building’s energy performance and the predictions were adapted to obtain more realistic estimates. The sensitivity analysis for different type of buildings considered 16 case studies, accounting for representative construction practices, locations (climate conditions), system efficiencies, renovation practices, and lifetime of buildings. The results were used to quantify the relative significance of operational and embodied energy, and to estimate the energy recovery time for popular energy conservation and energy efficiency measures. The derived indicators reaffirm the importance of embodied energy in construction materials and systems for new high performing buildings and for renovating existing buildings to nearly zero energy.
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spelling doaj.art-db2a8100de8b45c285de9813f2131a092023-11-20T11:20:57ZengMDPI AGEnergies1996-10732020-08-011317438410.3390/en13174384Benchmarks for Embodied and Operational Energy Assessment of Hellenic Single-Family HousesElena G. Dascalaki0Poulia A. Argiropoulou1Constantinos A. Balaras2Kalliopi G. Droutsa3Simon Kontoyiannidis4Group Energy Conservation, Institute for Environmental Research and Sustainable Development, National Observatory of Athens, GR-15236 Athens, GreeceGroup Energy Conservation, Institute for Environmental Research and Sustainable Development, National Observatory of Athens, GR-15236 Athens, GreeceGroup Energy Conservation, Institute for Environmental Research and Sustainable Development, National Observatory of Athens, GR-15236 Athens, GreeceGroup Energy Conservation, Institute for Environmental Research and Sustainable Development, National Observatory of Athens, GR-15236 Athens, GreeceGroup Energy Conservation, Institute for Environmental Research and Sustainable Development, National Observatory of Athens, GR-15236 Athens, GreeceBuilding energy performance benchmarking increases awareness and enables stakeholders to make better informed decisions for designing, operating, and renovating sustainable buildings. In the era of nearly zero energy buildings, the embodied energy along with operational energy use are essential for evaluating the environmental impacts and building performance throughout their lifecycle. Key metrics and baselines for the embodied energy intensity in representative Hellenic houses are presented in this paper. The method is set up to progressively cover all types of buildings. The lifecycle analysis was performed using the well-established SimaPro software package and the EcoInvent lifecycle inventory database, complemented with national data from short energy audits carried out in Greece. The operational energy intensity was estimated using the national calculation engine for assessing the building’s energy performance and the predictions were adapted to obtain more realistic estimates. The sensitivity analysis for different type of buildings considered 16 case studies, accounting for representative construction practices, locations (climate conditions), system efficiencies, renovation practices, and lifetime of buildings. The results were used to quantify the relative significance of operational and embodied energy, and to estimate the energy recovery time for popular energy conservation and energy efficiency measures. The derived indicators reaffirm the importance of embodied energy in construction materials and systems for new high performing buildings and for renovating existing buildings to nearly zero energy.https://www.mdpi.com/1996-1073/13/17/4384single-family housesembodied energyoperational energybenchmarksrenovationsenergy use intensity (EUI)
spellingShingle Elena G. Dascalaki
Poulia A. Argiropoulou
Constantinos A. Balaras
Kalliopi G. Droutsa
Simon Kontoyiannidis
Benchmarks for Embodied and Operational Energy Assessment of Hellenic Single-Family Houses
Energies
single-family houses
embodied energy
operational energy
benchmarks
renovations
energy use intensity (EUI)
title Benchmarks for Embodied and Operational Energy Assessment of Hellenic Single-Family Houses
title_full Benchmarks for Embodied and Operational Energy Assessment of Hellenic Single-Family Houses
title_fullStr Benchmarks for Embodied and Operational Energy Assessment of Hellenic Single-Family Houses
title_full_unstemmed Benchmarks for Embodied and Operational Energy Assessment of Hellenic Single-Family Houses
title_short Benchmarks for Embodied and Operational Energy Assessment of Hellenic Single-Family Houses
title_sort benchmarks for embodied and operational energy assessment of hellenic single family houses
topic single-family houses
embodied energy
operational energy
benchmarks
renovations
energy use intensity (EUI)
url https://www.mdpi.com/1996-1073/13/17/4384
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