Techno-Economic and Sensitivity Analyses for an Optimal Hybrid Power System Which Is Adaptable and Effective for Rural Electrification: A Case Study of Nigeria

Jamiu Omotayo Oladigbolu, Makbul A. M. Ramli and Yusuf A. Al-Turki
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Jamiu Omotayo Oladigbolu: Renewable Energy Research Group, Department of Electrical and Computer Engineering, King Abdul-Aziz University, Jeddah 21589, Saudi Arabia
Makbul A. M. Ramli: Renewable Energy Research Group, Department of Electrical and Computer Engineering, King Abdul-Aziz University, Jeddah 21589, Saudi Arabia
Yusuf A. Al-Turki: Renewable Energy Research Group, Department of Electrical and Computer Engineering, King Abdul-Aziz University, Jeddah 21589, Saudi Arabia

Sustainability, 2019, vol. 11, issue 18, 1-25

Abstract: This paper studies in detail a systematic approach to offering a combination of conventional and renewable energy that is adaptable enough to operate in grid-connected and off- grid modes to provide power to a remote village located in Nigeria. To this aim, the HOMER pro software tool was used to model two scenarios from the on-and off-grid systems, evaluating in detail the techno-economic effects and operational behavior of the systems and their adverse impacts on the environment. The impacts of varying load demand, grid power and sellback prices, diesel prices, and solar irradiation levels on system performance were discussed. Results showed that, for both cases, the optimum design consists of a diesel generator rated at 12 kW, with a photovoltaic (PV) panel of 54 kW, a 70 battery group (484 kWh nominal capacity battery bank), and a 21 kW converter. The cost of electricity (COE) and net present cost (NPC) were in the range of $0.1/kWh to 0.218 $/kWh and $117,598 to $273,185, respectively, and CO 2 emissions ranged between 5963 and 49,393 kg/year in the two configurations. The results of this work provide a general framework for setting up a flexible and reliable system architecture to ensure continuous power supply to consumers under all conditions.

Keywords: hybrid system; photovoltaic (PV); HOMER; techno-economic analysis; net present cost (NPC) (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (9)

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