Charting the future of Brazil’s electricity: a multicriteria analysis of northeastern power strategies amidst climate challenge
The article addresses the challenges faced by regions under water stress, such as conflicts over water use, environmental degradation, and water resource scarcity, intensified by climate change. In areas dependent on hydropower generation, these problems are exacerbated, highlighting the need to tra...
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| Format: | Article |
| Language: | English |
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Associação Brasileira de Engenharia Sanitária e Ambiental
2024-11-01
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| Series: | Revista Brasileira de Ciências Ambientais |
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| Online Access: | https://www.rbciamb.com.br/Publicacoes_RBCIAMB/article/view/2093 |
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| _version_ | 1849387471972859904 |
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| author | Clécio Barbosa Souza Júnior Johann Köppel Maria do Carmo Sobral |
| author_facet | Clécio Barbosa Souza Júnior Johann Köppel Maria do Carmo Sobral |
| author_sort | Clécio Barbosa Souza Júnior |
| collection | DOAJ |
| description | The article addresses the challenges faced by regions under water stress, such as conflicts over water use, environmental degradation, and water resource scarcity, intensified by climate change. In areas dependent on hydropower generation, these problems are exacerbated, highlighting the need to transition to more sustainable and resilient energy sources. The study emphasizes the importance of multifaceted criteria for an effective transition of the electricity matrix in semi-arid regions, taking into account economic, technical, environmental, and social aspects. Focusing on the São Francisco River basin in Northeastern Brazil, where the energy matrix is predominantly hydroelectric, the study uses the Technique for Order of Preference by Similarity to Ideal Solution (TOPSIS) to evaluate alternative scenarios, analyzing options for wind, solar, and thermoelectric energy. The methodology adopted included the close collaboration of experts in defining and weighting essential criteria, covering economic, technical, environmental, and social aspects. The results show that, within the same group, options that involve greater reductions in hydroelectric generation are more advantageous. Analyzing the ranking among all alternatives, the group that includes higher expansion of wind energy presents the most viable options, followed by the reference strategy (based on average annual generation) and the group with greater expansion of solar capacity. Increasing the share of gas-fired thermoelectric power is considered a less favorable solution according to the criteria used in the model. |
| format | Article |
| id | doaj-art-eeae7d4e979947d58e0140df70074a6a |
| institution | Kabale University |
| issn | 1808-4524 2176-9478 |
| language | English |
| publishDate | 2024-11-01 |
| publisher | Associação Brasileira de Engenharia Sanitária e Ambiental |
| record_format | Article |
| series | Revista Brasileira de Ciências Ambientais |
| spelling | doaj-art-eeae7d4e979947d58e0140df70074a6a2025-08-20T03:53:47ZengAssociação Brasileira de Engenharia Sanitária e AmbientalRevista Brasileira de Ciências Ambientais1808-45242176-94782024-11-0160e2093e209310.5327/Z2176-947820931740Charting the future of Brazil’s electricity: a multicriteria analysis of northeastern power strategies amidst climate challengeClécio Barbosa Souza Júnior0https://orcid.org/0000-0001-6862-1418Johann Köppel1https://orcid.org/0000-0002-9372-773XMaria do Carmo Sobral2https://orcid.org/0000-0001-8945-1606Technische Universität Berlin - GermanyTechnische Universität Berlin - GermanyFederal University of Pernambuco - BrazilThe article addresses the challenges faced by regions under water stress, such as conflicts over water use, environmental degradation, and water resource scarcity, intensified by climate change. In areas dependent on hydropower generation, these problems are exacerbated, highlighting the need to transition to more sustainable and resilient energy sources. The study emphasizes the importance of multifaceted criteria for an effective transition of the electricity matrix in semi-arid regions, taking into account economic, technical, environmental, and social aspects. Focusing on the São Francisco River basin in Northeastern Brazil, where the energy matrix is predominantly hydroelectric, the study uses the Technique for Order of Preference by Similarity to Ideal Solution (TOPSIS) to evaluate alternative scenarios, analyzing options for wind, solar, and thermoelectric energy. The methodology adopted included the close collaboration of experts in defining and weighting essential criteria, covering economic, technical, environmental, and social aspects. The results show that, within the same group, options that involve greater reductions in hydroelectric generation are more advantageous. Analyzing the ranking among all alternatives, the group that includes higher expansion of wind energy presents the most viable options, followed by the reference strategy (based on average annual generation) and the group with greater expansion of solar capacity. Increasing the share of gas-fired thermoelectric power is considered a less favorable solution according to the criteria used in the model.https://www.rbciamb.com.br/Publicacoes_RBCIAMB/article/view/2093technique for order of preference by similarity to ideal solution; multi-criteria decision making; energy transition; climate change; energy planning. |
| spellingShingle | Clécio Barbosa Souza Júnior Johann Köppel Maria do Carmo Sobral Charting the future of Brazil’s electricity: a multicriteria analysis of northeastern power strategies amidst climate challenge Revista Brasileira de Ciências Ambientais technique for order of preference by similarity to ideal solution; multi-criteria decision making; energy transition; climate change; energy planning. |
| title | Charting the future of Brazil’s electricity: a multicriteria analysis of northeastern power strategies amidst climate challenge |
| title_full | Charting the future of Brazil’s electricity: a multicriteria analysis of northeastern power strategies amidst climate challenge |
| title_fullStr | Charting the future of Brazil’s electricity: a multicriteria analysis of northeastern power strategies amidst climate challenge |
| title_full_unstemmed | Charting the future of Brazil’s electricity: a multicriteria analysis of northeastern power strategies amidst climate challenge |
| title_short | Charting the future of Brazil’s electricity: a multicriteria analysis of northeastern power strategies amidst climate challenge |
| title_sort | charting the future of brazil s electricity a multicriteria analysis of northeastern power strategies amidst climate challenge |
| topic | technique for order of preference by similarity to ideal solution; multi-criteria decision making; energy transition; climate change; energy planning. |
| url | https://www.rbciamb.com.br/Publicacoes_RBCIAMB/article/view/2093 |
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