Energy performance of European residential buildings: Energy use, technical and environmental characteristics of the Greek residential sector – energy conservation and CO₂ reduction

Gaglia, A.; Dialynas, E.N.; Argiriou, Athanassios A.; Κωστοπούλου, Ε.; Tsiamitros, Dimitrios; Stimoniaris, D.; Laskos, Konstantinos

doi:10.1016/j.enbuild.2018.10.042

Cited by 59 publications

(30 citation statements)

References 65 publications

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“…Buildings in the European Union are now being designed and built to stricter building codes and standards to reduce their energy consumption and greenhouse gas emissions [19]. In 2019, Gaglia et al mentioned that the residential buildings contribute to the higher percentage of energy usage in the building sector [20]. Residential buildings can use grid connected PV system, in this regard Sharma, Arvind, et al (2020) introduced minimizing the energy cost of sustainable energy systems [21].…”

Section: Introductionmentioning

confidence: 99%

A Comparative Assessment for the Potential Energy Production from PV Installation on Residential Buildings

et al. 2020

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This paper targets the future energy sustainability and aims to estimate the potential energy production from installing photovoltaic (PV) systems on the rooftop of apartment’s residential buildings, which represent the largest building sector. Analysis of the residential building typologies was carried out to select the most used residential building types in terms of building roof area, number of floors, and the number of apartments on each floor. A computer simulation tool has been used to calculate the electricity production for each building type, for three different tilt angles to estimate the electricity production. Tilt angle, spacing between the arrays, the building shape, shading from PV arrays, and other roof elements were analyzed for optimum and maximum electricity production. The electricity production for each household has been compared to typical household electricity consumption and its future consumption in 2030. The results show that installing PV systems on residential buildings can speed the transition to renewable energy and energy sustainability. The electricity production for building types with 2–4 residential units can surplus their estimated future consumption. Building types with 4–8 residential units can produce their electricity consumption in 2030. Building types of 12–24 residential units can produce more than half of their 2030 future consumption.

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Section: Introductionmentioning

confidence: 99%

A Comparative Assessment for the Potential Energy Production from PV Installation on Residential Buildings

et al. 2020

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“…Gaglia et al [22], Vogiatzi et al [23] and Chang et al [24] provided in their works different methods and analyses of energy consumption in residential buildings, aimed at identifying energy saving interventions and at reducing pollutants emissions. The authors of [25][26][27][28] were focused only on residential electricity consumptions, so as to provide a model for loads profiling, while the optimal load scheduling, when RES are installed, was the main target for the research projects reported in [29][30][31].…”

Section: Introductionmentioning

confidence: 99%

Energy Use in Residential Buildings: Characterisation for Identifying Flexible Loads by Means of a Questionnaire Survey

2019

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This work shows the outcomes of a research activity aimed at the energy characterization of residential users. Specifically, by data analysis related to the real energy consumption of sample buildings, the flexible loads amount has been identified so as to investigate on the opportunity to implement a demand/response (DR) program. The most meaningful input data have been collected by an on-line questionnaire created within an Excel spreadsheet allowing one to simulate and compare the calculations with the actual dwellings’ consumption; 412 questionnaires have been used as statistical sample and simulations have been performed based on single-zone dynamic model. Additionally, once the energy consumptions have been sorted by the different services, reference key performance indicators (KPIs) have been also calculated normalising those ones by people and house floor surface. From data analysis, it emerges how the Italian residential users are not very electrified. Furthermore, the flexible loads are low and, implementing minor maintenance interventions, the potential of flexibility can decrease up to 20%. For that reason, the current research can be further developed by investigating on suitable flexibility extensions as well as on the automation system requirements which is needed managing the flexible loads.

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“…Some countries, which either do not have a central register or where the number of EPCs is too limited to extrapolate to the whole population, are excluded. From the figure, it is easy to conclude that the majority of the buildings are energy-inefficient with label D or worse performing than D. However, most of the newly constructed buildings are in the energy label category A or B [35]. Denmark and France enjoy the largest share for label A, but still only achieved 8% and 7%, respectively.…”

Section: Epc Energy Indicatorsmentioning

confidence: 98%

Review of building energy performance certification schemes towards future improvement

Kubicki

Rezgui

2019

Renewable and Sustainable Energy Reviews

181

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The building sector accounts for 40% of the total energy consumption in the EU. It faces great challenges to meet the goal of transforming the existing building stocks into near zero-energy buildings by 2050. The development of Energy Performance Certificate (EPC) schemes in the EU provides a powerful and comprehensive information tool to quantitatively predict annual energy demand from the building stock, creating a demand-driven market for energy-effective buildings. Properties with improved energy rating have had a positive impact on property investments and rental return because of the reduced energy bills. In addition, the EPC databases have been applied to energy planning and building renovations. However, it should be mentioned that the current evaluation system faces problems, such as not being fully implemented, delivering low quality and insufficient information to stimulate renovation, therefore requiring improvements to be made. This paper provides a review of the current EPC situations in the EU and discusses the direction of future improvements. The next generation EPC should rely on BIM technology, benefit from big data techniques and use building smart-readiness indicators to create a more reliable, affordable, comprehensive and customer-tailored instrument, which could better represent energy efficiency, together with occupants' perceived comfort, and air quality. Improved EPC schemes are expected to play an active role in monitoring building performance, future energy planning and quantifying building renovation rates, promoting energy conservation and sustainability. Highlights  Presentation of a brief review of the EPC-related directives  Review and comparison of the development of the EPC in EU member states  Discussion of the utilization of the EPC at the urban scale  Identification of the existing issues and shortcomings in the current EPC

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Energy performance of European residential buildings: Energy use, technical and environmental characteristics of the Greek residential sector – energy conservation and CO₂ reduction

Cited by 59 publications

References 65 publications

A Comparative Assessment for the Potential Energy Production from PV Installation on Residential Buildings

A Comparative Assessment for the Potential Energy Production from PV Installation on Residential Buildings

Energy Use in Residential Buildings: Characterisation for Identifying Flexible Loads by Means of a Questionnaire Survey

Review of building energy performance certification schemes towards future improvement

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