Title: Evaluation of energy potential of Municipal Solid Waste from African urban areas
Authors: SCARLAT NICOLAEMOTOLA VINCENZODALLEMAND Jean-FrancoisMONFORTI-FERRARIO FabioMOFOR Linus
Citation: RENEWABLE & SUSTAINABLE ENERGY REVIEWS vol. 50 p. 1269-1286
Publisher: PERGAMON-ELSEVIER SCIENCE LTD
Publication Year: 2014
JRC N°: JRC89460
ISSN: 1364-0321
URI: http://www.sciencedirect.com/science/article/pii/S1364032115005389
http://publications.jrc.ec.europa.eu/repository/handle/JRC89460
DOI: 10.1016/j.rser.2015.05.067
Type: Articles in periodicals and books
Abstract: Energy is a critical issue for Africa, where large number of people does not have access to energy and often rely on the traditional use of biomass. Energy recovery from waste can play a role in minimizing the impact of Municipal Solid Waste (MSW) on the environment with the additional benefit of providing a local source of energy. This study was carried out to assess, at the African level, the role which waste could play in providing energy to citizens and provides an estimate of the total potential of energy from waste incineration and from landfills methane for each African country. The results show an energy potential of all waste generated in Africa of 1125 PJ in 2012 and 2199 PJ in 2025. For comparison, the overall primary energy supply was 29,308 PJ in 2010. On the contrary, if actual or projected waste collection rates are considered, the energy potential was estimated at 613 PJ in 2012 and 1508 PJ in 2025. Nevertheless, if energy recovery through landfill gas is considered, about 283 PJ could be recovered in 2012 and 530 PJ in 2025 in case of full waste collection. These estimates decrease to about 155 PJ in 2012 and 363 PJ in 2025 if waste actually collected, or projected to be collected, is considered. The electricity generation could reach 62.5 TWh in 2012 and 122.2 TWh in 2025, in case of full waste collection, to be compared with electricity consumption in Africa of 661.5 TWh in 2010. If waste actually collected is considered, these estimates decrease respectively to 34.1 TWh in 2012 and 83.8 TWh in 2025. The share of electricity production from all waste in electricity supply varies from 9.4% in 2012 to 13.3% in 2025 for waste incineration to 4.2% in 2012 to 5.6% in 2025 if LFG is used to generate electricity. The share of electricity from actually collected waste 5.1% in 2012 to 9.1% in 2025 for waste incineration to 1.9% in 2012 to 3.3% in 2025, if LFG is used. Apart continental estimates, the study provides detailed information at the country level and a vision of the spatial distribution of energy from waste based on the city population in major African cities.
JRC Directorate:Energy, Transport and Climate

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