Abstract
Conventional energy resources are not climate sustainable. Currently, engineers and scientists are looking for sustainable energy solutions influenced by climate change. A wide variety of sustainable natural energy resources are available, but they require technical solutions for their implementation. The general trend in energy research is based on renewable resources, amongst which solar energy stands out, being the most mature and widely accepted. In this paper, the current state of the sustainable energy system has been analysed. The main purpose is to provide additional context to assess future scenarios. The study of past contributions allows sustainability planning and increasing the welfare of future society. The aim is to highlight global trends in research on sustainable solar energy from 1995 to 2020 through a bibliometric analysis of 4260 publications. According to their linkages, the analysed articles are distributed in nine clusters: Sustainability assessment, Sustainable energy solutions, Environmental payback time analysis, Sustainability of solar energy in different scenarios, Environmental sustainability, Solar energy applications, Sustainable energy optimisation, Energy transition and Energy and sustainable scenarios. The most repeated keywords are Sustainability, Renewable energy, and Solar energy. Energy research and the exploration of new renewable solar resources are still necessary to meet sustainable energy’s future challenges.
Highlights
Energy sustainability is extensively discussed in the scientific and political community.Until now, there have been two different approaches on the matter
All of them are related to the theme of sustainability, renewable energy and concepts related to solar energy, such as Solar energy or Solar photovoltaic (1.49%)
This the case, the results indicate that the is evaluated, using multivariate techniques called Principal Component Analysis (PCA), technologies with the highest sustainability yields are those based on biomass, followed which are applied to an area of India
Summary
Energy sustainability is extensively discussed in the scientific and political community.Until now, there have been two different approaches on the matter. Energy sustainability is extensively discussed in the scientific and political community. One considers an increase in electricity consumption essential for the economic development and social progress of the countries, whereas others are more concerned about keeping carbon consumption within certain limits. The definition of sustainability is not unanimous among the scientific community. In the literature, it is associated with different concepts depending on the point of view studied. In planning energy-sustainable development, sustainability indicators must be considered to compare their implementation. The emergy concept is identified and used in numerous works. Emergy involves indicators such as the Environmental Load
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