The necessary transformation of the world’s energy matrices has led to a growth in developing technologies based on renewable sources. In this context, photovoltaic panels and their components count in Brazil with a production and commercialization chain that has accumulated a sustained growth of more than 100% of its generation capacities between the years 2018 and 2019, and that can fulfill or overcome this rate in 2019 to 2020. However, the conditions of a competitive market and the availability of a significant number of middle and small companies for the distribution and installation of photovoltaic technology may represent a scenario where multiple indicators must be considered. The purpose of this study is to apply a combined method to aid decision-making that corresponds to the supplier selection of the technology in the context of Northeast Brazil. The method is composed by the combination of a diffuse inference technique together with a multicriteria decision-making method, VIKOR, and the weight assignment to the indicators using the entropy method, according to the values of the decision matrix resulting from the diffuse inference technique that allows to develop the calculus. The results show that data collection from multiple sources and based on input variables can offer metrics about the suppliers for the selection criteria. Restrictions derived from data collection can be a barrier, and the method relies on an adapted script that facilitates application.
The direction for the construction of a sustainable supply chain concept has an evolution and contribution of multiple disciplines that have been elaborated by academic and business bias. From this point on, defining a concept of this subject represents an issue that demands an interpretative effort, since several factors and theoretical approaches influence this category. The objective of this article is to demarcate a theoretical framework on sustainable supply chains and relate it to the barriers present in the measurement of sustainable performance. The method applied in this assessment combines systematic literature review, qualitative analysis of content and bibliometrics, through interconnected steps, which allow a detailing of the dimensions and under dimensions of the sustainability in the supply chain and the identification of the barriers that are associated with the measurement of performance. The material considered is supported through theoretical and empirical studies, which approached the formulation of the concepts and their applicability at different levels of the supply chain. This allows the content analysis to demarcate certain stages of development and the different theoretical approaches that respond and assist the concept. The results contribute to the definition of a roadmap to measure of sustainable performance, an issue that is the basis of future studies over this theme.
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