Techno-Economic Optimization of Mini-Grid Systems in Nigeria: A Case Study of a PV–Battery–Diesel Hybrid System

Hillary Iruka Elegeonye, Abdulhameed Babatunde Owolabi, Olayinka Soledayo Ohunakin, Abdulfatai Olatunji Yakub, Abdullahi Yahaya, Noel Ngando Same, Dongjun Suh and Jeung-Soo Huh ()
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Hillary Iruka Elegeonye: Department of Energy Policy, Institute for Water and Energy Sciences Including Climate Change, Pan African University (PAUWES), Tlemcem 13000, Algeria
Abdulhameed Babatunde Owolabi: Regional Leading Research Center for Smart Energy System, Kyungpook National University, Sangju 37224, Republic of Korea
Olayinka Soledayo Ohunakin: The Energy and Environment Research Group (TEERG), Mechanical Engineering Department, Covenant University, Ota 112104, Nigeria
Abdulfatai Olatunji Yakub: Regional Leading Research Center for Smart Energy System, Kyungpook National University, Sangju 37224, Republic of Korea
Abdullahi Yahaya: Regional Leading Research Center for Smart Energy System, Kyungpook National University, Sangju 37224, Republic of Korea
Noel Ngando Same: Regional Leading Research Center for Smart Energy System, Kyungpook National University, Sangju 37224, Republic of Korea
Dongjun Suh: Regional Leading Research Center for Smart Energy System, Kyungpook National University, Sangju 37224, Republic of Korea
Jeung-Soo Huh: Regional Leading Research Center for Smart Energy System, Kyungpook National University, Sangju 37224, Republic of Korea

Energies, 2023, vol. 16, issue 12, 1-21

Abstract: This paper presents a feasibility analysis of the technical, environmental, and economic sustainability of an existing mini-grid technology system in Nigeria. The study investigates the cost and other operational parameters of the Gbamu-Gbamu solar–battery–diesel hybrid mini-grid, specifically the 85 kWp solar PV installation in the Ijebu East Local Government area of Ogun state. Situated within the Owo forest in South-West Nigeria, the mini-grid aims to reduce the effects of global warming and promote sustainable technological development in rural communities by increasing energy access through renewable sources. To assess the system’s viability, this research utilized RETScreen Expert software to validate the techno-economic and environmental sustainability of the installed mini-grid solar–PV–battery–diesel system in the region. Climatic data for the study were obtained from the National Aeronautics and Space Administration (NASA). The results demonstrate that the system is economically feasible and environmentally viable, as indicated by the positive net present value (NPV) and an average monthly irradiance of 4.78 kW/h/m 2 . Furthermore, the system achieved a 92.9% reduction in GHG emissions, provided a reasonable payback period of four years, and enabled a yearly electricity export of 203 MWh. These findings highlight the system’s potential to enhance energy access and mitigate climate change.

Keywords: techno-economic analysis; optimization; hybrid system; feasibility analysis; energy access; NPV; solar energy (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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