Journal
RENEWABLE ENERGY
Volume 118, Issue -, Pages 84-98Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.renene.2017.10.091
Keywords
Building integrated photovoltaics (BIPV); Zero energy building (ZEB); Positive energy buildings (PEB); Photovoltaics; Energy efficiency in buildings
Funding
- Brazilian agency CAPES (Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior)
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A great challenge and trend for sustainable buildings is to reduce electricity consumption, and at the same time try to supply their own energy demand with self-generation. The project should be development focused on sustainability, explore the passive strategies and the energy generation potential of fa ades and roof. In this paper we analyze for the first time in Brazil and under current solar photovoltaic (PV) module prices, the technical and economic potential of integrating state-of-the-art, frameless, glass glass thin-film cadmium telluride (CdTe) PV modules on a commercial building fa ade and roof, and evaluate the economic feasibility of replacing traditional fa ade materials like architectural glass and aluminum composite material with sleek black PV modules in six Brazilian cities. The technical analysis consisted in evaluating the energy performance of a four-storey office building for each of the six cities under analysis. The technical analysis showed that it is possible to fully meet the energy demand of the office building with PV integration in all the Brazilian cities evaluated. While the local climate has a significant impact on the energy consumption due mostly to air conditioning loads, PV energy production follows the same trend. Most importantly, the economic analysis showed that with the declining costs of photovoltaics, replacing conventional fa ade building materials with PV modules is not only an innovative approach but also of economic benefit. (C) 2017 Elsevier Ltd. All rights reserved.
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