A Case Study of Solar Technologies Adoption: Criteria for BIPV Integration in Sensitive Built Environment

Frontini, Francesco and Manfren, Massimiliano and Tagliabue, Lavinia Chiara (2012) A Case Study of Solar Technologies Adoption: Criteria for BIPV Integration in Sensitive Built Environment. Energy Procedia , 30. 1006 - 1015.

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Solar Photovoltaics is one of the core technologies for a paradigm shift of our electric infrastructure towards distributed generation. In 2011 Italy became the first world market; however, Germany has even the primacy of accumulated power. The installed capacity amounted to 10.000 {MW} according to data of Italian Manager of Energy Services (GSE) against 1.000 {MW} in 2010 and 3.000 the beginning of 2011. The projections of {GSE} include the achievement of the 12.000 {MW} by the end of the year with more than 350.000 running plants. In a nearly mature market, cost related issues and technical difficulties are encountered in particular in the successful integration within a sensitive and consolidated built environment. The research presented aims to investigate the possible results of an effective use of Building Integrated Photovoltaics (BIPV), choosing existing buildings in the city of Bellinzona (Canton Ticino, CH) as case studies. Bellinzona presents similar characteristics to small Northern Italian cities in terms of built environment characteristic and climate conditions. The theoretical framework for the analysis is the one proposed initially for low energy and nearly net zero energy buildings (NZEB). Although this type of analysis has been developed, in particular, for building with high penetration of renewable energy sources generation (up to 100 of the energy consumed), it seems worth investigating the dynamic interaction of building energy demand, on-site generation and grid with similar tools, because of the necessity of achieving low energy demand also in retrofitted existing buildings in a near future.

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