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A techno-economic comparison of biomass thermo-chemical systems for sustainable electricity in Nigerian rural areas.

Garba, Abdulhakeem; Kishk, Mohammed

Authors

Abdulhakeem Garba

Mohammed Kishk



Abstract

Biomass thermo-chemical systems (BTCS) source remains one of the means of providing sustainable electricity to rural areas in developing nations. Due the dwindling power generation and supply in Nigeria representing between 10 and 34%, the rural communities are mostly affected in their socioeconomic activities. Given the massive biomass resources in Nigerian rural areas, it is feasible to provide sustainable electricity to these communities through BTCS. However, cost has been found to be a major constraint in adopting BTCS. The research works that underpin this paper aim to assess the economics of BTCS in generating sustainable electricity in Nigerian rural areas. Whole Life Costing (WLC) approach has been used to evaluate and optimise various capacities of BTCS. The findings reveal that the cost/kW of system capacities between 150kW to 10kW for combustion and gasification systems, range between US{dollar}1427-2,249 and US{dollar}1,280-2,489 respectively. The WLC/kWh of generating electricity from the same set of technologies, in order of system capacities above, ranges between US{dollar}0.041-US{dollar}0.37 and US{dollar}0.015-US{dollar}0.11. This is considered under 8, 12 and 16 operational hours, without and with Feed-in-Tariff (FIT) incentives. All scenarios evaluated are cost competitive with existing fossil fuel (FF) electricity sources in the country at US{dollar}0.13/kWh, except the 50kW combustion system, with and without FIT that exceeds the current electricity tariff in Nigeria.

Start Date Sep 21, 2016
Publication Date Jan 30, 2017
Publisher Institution of Engineering and Technology
Article Number 558
ISBN 9781785613012
Institution Citation GARBA, A. and KISHK, M. 2016. A techno-economic comparison of biomass thermo-chemical systems for sustainable electricity in Nigerian rural areas. In Proceedings of the 5th Institution of Engineering and Technology (IET) International renewable power generation conference (RPG 2016), 21-23 September 2016, London, UK. New York: IET [online], article ID 558. Available from: https://doi.org/10.1049/cp.2016.0558.
DOI https://doi.org/10.1049/cp.2016.0558
Keywords Biomass; Thermochemical systems; Nigeria; Sustainable electricity; Whole life costing

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