Energy and Economic Analysis of Renewable Energy-Based Isolated Microgrids with AGM and Lithium Battery Energy Storage: Case Study Bigene, Guinea-Bissau

By the year 2020, 90% of the population with access to electricity worldwide was surpassed. However, the reality is very different for many countries, especially for those on the African continent that had more than 572 million people without electricity service at the end of 2019. This work studies...

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Main Authors: Jesús Armando Aguilar-Jiménez, Luis Hernández-Callejo, José Alejandro Suástegui-Macías, Victor Alonso Gómez, Alfonso García-Álvaro, Raúl Maján-Navalón, Lilian Johanna Obregón
Format: Article
Language:English
Published: MDPI AG 2023-06-01
Series:Urban Science
Subjects:
Online Access:https://www.mdpi.com/2413-8851/7/2/66
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author Jesús Armando Aguilar-Jiménez
Luis Hernández-Callejo
José Alejandro Suástegui-Macías
Victor Alonso Gómez
Alfonso García-Álvaro
Raúl Maján-Navalón
Lilian Johanna Obregón
author_facet Jesús Armando Aguilar-Jiménez
Luis Hernández-Callejo
José Alejandro Suástegui-Macías
Victor Alonso Gómez
Alfonso García-Álvaro
Raúl Maján-Navalón
Lilian Johanna Obregón
author_sort Jesús Armando Aguilar-Jiménez
collection DOAJ
description By the year 2020, 90% of the population with access to electricity worldwide was surpassed. However, the reality is very different for many countries, especially for those on the African continent that had more than 572 million people without electricity service at the end of 2019. This work studies the implementation of an isolated microgrid activated with photovoltaic energy and energy storage in batteries under the case study of the community of Bigene, located in the African country of Guinea-Bissau. This type of project is a potential solution to the problem of access to energy, but as the cost of the energy storage system is typically very high, this work technically and economically addresses the effect of using absorbed glass material (AGM) and lithium batteries. A simulator was developed using TRNSYS software to analyze the operation of the microgrid under a defined annual demand profile for different types of users, and economic analysis was conducted considering a project lifetime of 25 years. The results showed no significant differences in the solar fraction of both types of batteries when the photovoltaic power was less than 600 kW, regardless of the capacity of the storage bank. The analysis of auxiliary power requirements showed that lithium technology leads to a lower consumption from 800 kW of PV capacity, and utilizing less than this capacity did not have a significant difference with AGM batteries. In this microgrid with a photovoltaic capacity of less than 700 kW and an energy storage of less than 2580 kWh, the type of storage technology, AGM or lithium, did not represent a considerable difference in the levelized cost of energy, indicating that AGM technology could be selected considering its low initial investment cost compared to lithium batteries.
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spelling doaj.art-76d0379f1c6c4724bfdb455da4d9049a2023-11-18T12:57:54ZengMDPI AGUrban Science2413-88512023-06-01726610.3390/urbansci7020066Energy and Economic Analysis of Renewable Energy-Based Isolated Microgrids with AGM and Lithium Battery Energy Storage: Case Study Bigene, Guinea-BissauJesús Armando Aguilar-Jiménez0Luis Hernández-Callejo1José Alejandro Suástegui-Macías2Victor Alonso Gómez3Alfonso García-Álvaro4Raúl Maján-Navalón5Lilian Johanna Obregón6Facultad de Ingeniería, Universidad Autónoma de Baja California, Blvd. B. Juárez s/n, Mexicali 21280, MexicoDepartment of Agricultural Engineering and Forestry, University of Valladolid (UVA), Campus Universitario Duques de Soria, 42004 Soria, SpainFacultad de Ingeniería, Universidad Autónoma de Baja California, Blvd. B. Juárez s/n, Mexicali 21280, MexicoDepartment of Applied Physics, University of Valladolid (UVA), Campus Universitario Duques de Soria, 42004 Soria, SpainDepartment of Agricultural Engineering and Forestry, University of Valladolid (UVA), Campus Universitario Duques de Soria, 42004 Soria, SpainAsociación Tierra Sin Males, 42004 Soria, SpainFaculty of Education, University of Valladolid (UVA), Campus Universitario Duques de Soria, 42004 Soria, SpainBy the year 2020, 90% of the population with access to electricity worldwide was surpassed. However, the reality is very different for many countries, especially for those on the African continent that had more than 572 million people without electricity service at the end of 2019. This work studies the implementation of an isolated microgrid activated with photovoltaic energy and energy storage in batteries under the case study of the community of Bigene, located in the African country of Guinea-Bissau. This type of project is a potential solution to the problem of access to energy, but as the cost of the energy storage system is typically very high, this work technically and economically addresses the effect of using absorbed glass material (AGM) and lithium batteries. A simulator was developed using TRNSYS software to analyze the operation of the microgrid under a defined annual demand profile for different types of users, and economic analysis was conducted considering a project lifetime of 25 years. The results showed no significant differences in the solar fraction of both types of batteries when the photovoltaic power was less than 600 kW, regardless of the capacity of the storage bank. The analysis of auxiliary power requirements showed that lithium technology leads to a lower consumption from 800 kW of PV capacity, and utilizing less than this capacity did not have a significant difference with AGM batteries. In this microgrid with a photovoltaic capacity of less than 700 kW and an energy storage of less than 2580 kWh, the type of storage technology, AGM or lithium, did not represent a considerable difference in the levelized cost of energy, indicating that AGM technology could be selected considering its low initial investment cost compared to lithium batteries.https://www.mdpi.com/2413-8851/7/2/66microgridsrenewable energyphotovoltaicenergy storage<i>LCOE</i>
spellingShingle Jesús Armando Aguilar-Jiménez
Luis Hernández-Callejo
José Alejandro Suástegui-Macías
Victor Alonso Gómez
Alfonso García-Álvaro
Raúl Maján-Navalón
Lilian Johanna Obregón
Energy and Economic Analysis of Renewable Energy-Based Isolated Microgrids with AGM and Lithium Battery Energy Storage: Case Study Bigene, Guinea-Bissau
Urban Science
microgrids
renewable energy
photovoltaic
energy storage
<i>LCOE</i>
title Energy and Economic Analysis of Renewable Energy-Based Isolated Microgrids with AGM and Lithium Battery Energy Storage: Case Study Bigene, Guinea-Bissau
title_full Energy and Economic Analysis of Renewable Energy-Based Isolated Microgrids with AGM and Lithium Battery Energy Storage: Case Study Bigene, Guinea-Bissau
title_fullStr Energy and Economic Analysis of Renewable Energy-Based Isolated Microgrids with AGM and Lithium Battery Energy Storage: Case Study Bigene, Guinea-Bissau
title_full_unstemmed Energy and Economic Analysis of Renewable Energy-Based Isolated Microgrids with AGM and Lithium Battery Energy Storage: Case Study Bigene, Guinea-Bissau
title_short Energy and Economic Analysis of Renewable Energy-Based Isolated Microgrids with AGM and Lithium Battery Energy Storage: Case Study Bigene, Guinea-Bissau
title_sort energy and economic analysis of renewable energy based isolated microgrids with agm and lithium battery energy storage case study bigene guinea bissau
topic microgrids
renewable energy
photovoltaic
energy storage
<i>LCOE</i>
url https://www.mdpi.com/2413-8851/7/2/66
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