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Transformation of a University lecture hall in Valladolid (Spain) into a NZEB: LCA of a BIPV system integrated in its façade
Año del Documento
International Journal of Photo energy
International Journal of Photo energy, open access 2017
The EU Energy Performance of Buildings Directive (Directive 2010/31/EU) poses a major challenge, as it promotes the transformation of existing buildings into Nearly Zero‐Energy Buildings (NZEB). In this work we present the case of study of a lecture hall building, owned by the University of Valladolid (Spain), that is currently being refurbished into a NZEB by integration of Renewable Energy Sources (RES), also in line with the requirements from Directive 2009/28/EC. As part of its major renovation, not only Trombe walls and geothermal energy are to be incorporated, but also a building integrated solar photovoltaic (BIPV) system to address the electricity needs and reduce the building’s energy use and GHGs in a cost-effective manner. The environmental profile of this BIPV system has been investigated using life-cycle impact assessment (LCIA), assessing the net emissions of CO2 and the damages caused in a comparative context with conventional electricity-generation pathways. In spite of the small power installed in this first stage (designed to cover only an annual energy consumption of ca. 13000 kWh, around 6% of the total demand), it can be concluded that significant environmental benefits are gained using this system. Keywords: Building Integrated Photovoltaics (BIPV); Environmental Impacts; Life Cycle Assessment (LCA); Life Cycle Impact Assessment (LCIA); Nearly Zero Energy Building (NZEB).
Revisión por pares
The authors would like to gratefully ackowledge the financial support by Consejería de Educación de la Junta de Castilla y León through project number VA029U16.
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