Selection of electrochemical and electrical energy storage systems for off-grid renewable energy mini-grids: A review

Application of electrochemical energy storage systems (ESSs) in off-grid renewable energy (RE) mini-grids (REMGs) is crucial to ensure continuous power supply. These storage systems face accelerated degradation due to fluctuations in demand and supply power of the system. Although various research h...

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Main Authors: Isaac Gwayi, Sarah Paul Ayeng’o, Cuthbert Z.M. Kimambo
Format: Article
Language:English
Published: Elsevier 2025-03-01
Series:Cleaner Engineering and Technology
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Online Access:http://www.sciencedirect.com/science/article/pii/S2666790825000291
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author Isaac Gwayi
Sarah Paul Ayeng’o
Cuthbert Z.M. Kimambo
author_facet Isaac Gwayi
Sarah Paul Ayeng’o
Cuthbert Z.M. Kimambo
author_sort Isaac Gwayi
collection DOAJ
description Application of electrochemical energy storage systems (ESSs) in off-grid renewable energy (RE) mini-grids (REMGs) is crucial to ensure continuous power supply. These storage systems face accelerated degradation due to fluctuations in demand and supply power of the system. Although various research has been conducted in the field of ESSs, study on selecting appropriate ESSs for off-grid REMGs, considering power fluctuations impact, is still a gap which needs further research. This review study therefore, focused on studying and selecting appropriate electrochemical and electrical storage systems for off-grid REMGs through investigating their technical, economic and environmental factors. On economic factors investigation; capital recovery factor (CRF) and annualised cost (AC) of considered ESSs were used in this study. Comparison and analysis of technical and economic factors of the storage systems were done using graphical method. Results show that hybrid combination of lithium-ion (Li-ion) battery or lead acid (Pb-Acid) battery with supercapacitor (SC) are appropriate ESSs for off-grid REMGs. Furthermore, trade-offs between ESSs options are analysed and the study recommends hybridisation of Li-ion, Pb-Acid and SC to further improve performance of the hybrid storage. Finally, challenges in deploying the proposed hybrid energy storage system (HESS) configurations are discussed and areas needing further research for improvement are proposed.
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spelling doaj-art-f6716069a3a942809fa4447498b559e32025-02-11T04:35:31ZengElsevierCleaner Engineering and Technology2666-79082025-03-0125100906Selection of electrochemical and electrical energy storage systems for off-grid renewable energy mini-grids: A reviewIsaac Gwayi0Sarah Paul Ayeng’o1Cuthbert Z.M. Kimambo2Corresponding author.; Department of Mechanical and Industrial Engineering, University of Dar es Salaam, P.O. Box 35131, Dar es Salaam, TanzaniaDepartment of Mechanical and Industrial Engineering, University of Dar es Salaam, P.O. Box 35131, Dar es Salaam, TanzaniaDepartment of Mechanical and Industrial Engineering, University of Dar es Salaam, P.O. Box 35131, Dar es Salaam, TanzaniaApplication of electrochemical energy storage systems (ESSs) in off-grid renewable energy (RE) mini-grids (REMGs) is crucial to ensure continuous power supply. These storage systems face accelerated degradation due to fluctuations in demand and supply power of the system. Although various research has been conducted in the field of ESSs, study on selecting appropriate ESSs for off-grid REMGs, considering power fluctuations impact, is still a gap which needs further research. This review study therefore, focused on studying and selecting appropriate electrochemical and electrical storage systems for off-grid REMGs through investigating their technical, economic and environmental factors. On economic factors investigation; capital recovery factor (CRF) and annualised cost (AC) of considered ESSs were used in this study. Comparison and analysis of technical and economic factors of the storage systems were done using graphical method. Results show that hybrid combination of lithium-ion (Li-ion) battery or lead acid (Pb-Acid) battery with supercapacitor (SC) are appropriate ESSs for off-grid REMGs. Furthermore, trade-offs between ESSs options are analysed and the study recommends hybridisation of Li-ion, Pb-Acid and SC to further improve performance of the hybrid storage. Finally, challenges in deploying the proposed hybrid energy storage system (HESS) configurations are discussed and areas needing further research for improvement are proposed.http://www.sciencedirect.com/science/article/pii/S2666790825000291Off-grid systemsRenewable resourcesRenewable energy systemsEnergy storage systemsCapital recovery factorHybrid energy storage systems
spellingShingle Isaac Gwayi
Sarah Paul Ayeng’o
Cuthbert Z.M. Kimambo
Selection of electrochemical and electrical energy storage systems for off-grid renewable energy mini-grids: A review
Cleaner Engineering and Technology
Off-grid systems
Renewable resources
Renewable energy systems
Energy storage systems
Capital recovery factor
Hybrid energy storage systems
title Selection of electrochemical and electrical energy storage systems for off-grid renewable energy mini-grids: A review
title_full Selection of electrochemical and electrical energy storage systems for off-grid renewable energy mini-grids: A review
title_fullStr Selection of electrochemical and electrical energy storage systems for off-grid renewable energy mini-grids: A review
title_full_unstemmed Selection of electrochemical and electrical energy storage systems for off-grid renewable energy mini-grids: A review
title_short Selection of electrochemical and electrical energy storage systems for off-grid renewable energy mini-grids: A review
title_sort selection of electrochemical and electrical energy storage systems for off grid renewable energy mini grids a review
topic Off-grid systems
Renewable resources
Renewable energy systems
Energy storage systems
Capital recovery factor
Hybrid energy storage systems
url http://www.sciencedirect.com/science/article/pii/S2666790825000291
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AT cuthbertzmkimambo selectionofelectrochemicalandelectricalenergystoragesystemsforoffgridrenewableenergyminigridsareview