Análise do custo e do potencial de geração de energia fotovoltaica em uma universidade pública brasileira

Abstract

Palavras-chave:Energia limpa e renovável; Fotovoltaico; Sustentabilidade; Análise de agrupamentos.Abstract. Cost and potential analysis of photovoltaic power generation at a Brazilian public university. Clean and renewable energy sources, such as solar energy, have stood out for their potential. So, the aim of this work is to estimate the cost and potential of photovoltaic power generation on São Paulo State University (UNESP) campuses. The statistical technique of cluster analysis associated with the analysis of variance (ANOVA) was used, considering the 24 host cities of these campuses, in order to form groups of campuses with similar characteristics of solar incidence and altitude. Four distinct clusters were formed, and the campus with the smallest built-up area was selected within each cluster to measure the cost of deployment and the potential for energy capture of a system by photovoltaic panels. Six photovoltaic plate models with attributes such as model, dimensions, weight, power, efficiency, cell type, and price were considered for the study. It was observed that the CS6K300MS plate presents a more efficient solar capture performance, does not require a very large number of plates, and the cost is median in relation to the others. Although the calculations presented have been made for the campus with the smallest built-up area within each cluster, similar cost and power generation planning and results can be expected for the other campuses within the same cluster. Finally, it is emphasized that the proposed methodology has the potential to be considered or expanded to similar enterprises so that thorough planning is carried out for the acquisition and installation of this system, and the viability of the enterprise is guaranteed.

Economic Analysis of a Photovoltaic Energy System in the Activation of Hydroponic Systems

“…The values presented in Table 2 summarize the acquisition cost of R$1,051.73 for the conventional energy system and of R$1,389.80 for the photovoltaic energy system based on retail prices in the domestic market. An aggravating point in the use of solar energy is the fact that the costs of implementing photovoltaic systems are still very expensive (Silva et al, 2020). However, according to Souza and Penha (2020), when studying cash flow projection they observed that the investment in a photovoltaic energy system with a life expectancy of up to 25 years proved to be attractive when verifying the payback time of the investment from the fifth year of use.…”

Aspectos Inerentes À Energia Fotovoltaica No Brasil Na Última Década

“…Mesmo sendo considerada energia limpa e renovável, a geração hidroelétrica pode causar grandes problemas ambientais, sociais e culturais, como alagamentos, perda de biodiversidade, desapropriação de áreas indígenas, comunidades ribeirinhas, perda da identidade cultural, etc. Todos esses aspectos inviabilizam mais ainda o uso desse tipo de energia e impulsiona cada vez mais a utilização de outras fontes energéticas (SILVA et al, 2020).…”