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Genco, F.; Gengo, G. |
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Title |
Selection of energy matrix sources in Chile using a fuzzy logic decision approach |
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2021 |
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Energy Systems |
Abbreviated Journal |
Energy Syst. |
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12 |
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2 |
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411-429 |
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Keywords |
Multi-criteria decision making (MCDM); Chile 2050 Energy Policy; VIKOR method; Nuclear power; Fuzzy logic; Small modular reactors |
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Chile's 2050 energy policy ultimate goals are to produce a sustainable model of economic growth respectful of the environment where energy is produced efficiently and reliably. Renewable energy sources are considered the main drive for developing by 2050 at least 70% of the total energy in Chile. This study aims to provide a quantitative analysis for the selection of the most sustainable energy production methods using the compromise ranking method (VIKOR) that uses maximum group utility for the majority and a minimum of individual regret for the opponent. Since all evaluations are provided via intervals, the possible degree theory is used to compare them. Nine major criteria are critically used for this purpose and prioritized using analytical hierarchical process (AHP). Since Chile's energy production matrix still relies heavily on fossil fuels with major concerns of GHG emissions, all major potential energy sources in Chile are considered including ocean energy in addition to nuclear energy. This study shows that biomasses are the best compromise solution and that traditional and modern nuclear energy plants score consistently better than solar power. Large hydro power plants rank very high but in light of the social opposition present in the country, they might not be easy to build as hoped. Ocean power is far superior to geothermal energy and comparable to wind power and for this reason it should be considered together with nuclear power for the future Chilean energy matrix. |
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1868-3967 |
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WOS:000639105200005 |
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UAI @ alexi.delcanto @ |
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1488 |
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Sanchez-Lopez, M.; Moreno, R.; Alvarado, D.; Suazo-Martinez, C.; Negrete-Pincetic, M.; Olivares, D.; Sepulveda, C.; Otarola, H.; Basso, LJ. |
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The diverse impacts of COVID-19 on electricity demand: The case of Chile |
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2022 |
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International Journal of Electrical Power & Energy Systems |
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Int. J. Electr. Power Energy Syst. |
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138 |
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107883 |
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Electricity demand; COVID-19; Smart meters; Energy policy |
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Abstract |
This paper analyzes the impacts of the first wave of COVID-19 (March 2020 -September 2020) on the electricity demand of different types of consumers in Chile, including residential, commercial, and industrial demand. We leverage data from 230 thousand smart meters of residential and commercial consumers in 32 communes of Santiago (the capital city of Chile), which allows us to investigate the evolution of their demands with an hourly temporal resolution. Additionally, we use demand data of large industrial consumers provided by the Chilean system operator to study the impact of the pandemic on different economic sectors. This paper demonstrates that the COVID-19 pandemic, and the associated containment measures, have featured a drastically different impact on the various types of consumers in Chile. In particular, we show that the demand of residential consumers has increased throughout the first wave, even when we isolate the effects of the pandemic from those related to weather. Furthermore, we study how these effects change in different communes of Santiago, contrasting our findings with the socio-economic levels of the population. In effect, we find different demand response patterns depending on the socio-economic background of consumers. We also show that commercial demand has significantly declined due to the containment measures implemented and that the hospitality and construction economic sectors have been the most affected in the country. |
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0142-0615 |
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WOS:000792889600004 |
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UAI @ alexi.delcanto @ |
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1587 |
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