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Title: Life cycle assessment of a Micromorph Photovoltaic System
Authors: Bravi, Mirko
Parisi, Maria Laura 
Tiezzi, Enzo
Basosi, Riccardo 
Keywords: Photovoltaic; Thin film; Life cycle assessment
Issue Date: 2011
Project: None 
Journal: ENERGY
In this paper the results from a in-depth life cycle analysis of production and use of a novel grid-connectedphotovoltaic micromorph system are presented and compared to other thin film and traditional crystallinesilicon photovoltaic technologies. Among the new thin film technologies, the micromorph tandemjunction appears to be one of the most promising devices from the industrial point of view. The analysiswas based on actual production data given to the authors directly from the PRAMAC Swiss Company and itis consistent with the recommendations provided by the ISO norms and updates. The gross energyrequirement, green house gas emissions and energy pay-back time have been calculated for the electricenergy output virtually generated by the studied system in a lifetime period of 20 years. A comparativeframework is also provided, wherein results obtained for the case study are compared with data fromliterature previously obtained for the best commercially available competing photovoltaic technologies.Results clearly show a significant decrease in gross energy requirement, in green house gas emissions andalso a shorter energy pay-back time for the micromorph technology.
ISSN: 0360-5442
DOI: 10.1016/
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