Abstract
The upscaling of technology encompasses many facets a designer concerned with reducing environmental impacts must manage. Therefore, previous research proposed an environmental assessment for upscaling (EAU) methodology. This method hinges on Life Cycle Assessment (LCA) approaches (e.g., prospective, absolute) and coordinates the environmental modelling from an ecodesign perspective. The originality of this paper is to present an illustrative application on photovoltaic systems. The focus is on the modelling practices (step 3 of the method) using upscaling design levers and generating parametrized scenarios meant to be interpretable for a design team. Examples of data collection and upscaling modelling are provided for the upscaling of silicon-based photovoltaic technology in France from 2021 to 2050. This case study shows that integrating upscaling parameters, such as industrial process evolutions, the technology deployment strategy, and the socio-technical context associated with the technology upscaling phenomenon influence LCA results significantly. The paper, therefore, discusses recommendations for design teams to support them in assessing the environmental implications of their technology choices.
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