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Quantifying the integration of renewable energy sources in West Africa's interconnected electricity network

Omotola Adeoye and Catalina Spataru

Renewable and Sustainable Energy Reviews, 2020, vol. 120, issue C

Abstract: The West African Power Pool (WAPP) aims to provide access to affordable electricity to all countries in the region by installing electricity interconnections between countries and creating an integrated electricity market. In this study, we develop a multi-regional economic dispatch model of the West African power system, and quantify the impact of increasing cross-border electricity trading and renewable energy sources on: electricity generation cost, carbon emission, electricity supply and rapidly growing demand. Our results indicate that increasing cross-border electricity trading significantly reduces unserved electricity demand that comes from load shedding in the region. However, in the 2030 scenario where only existing and currently planned generation plants are operational, increased cross-border electricity trading increases electricity generation from heavy fuel and diesel power plants by 16% and 8% respectively. Consequently, this results in an increase in total electricity generation cost and carbon emission in the region. In two scenarios where all fourteen countries in the region are interconnected, average marginal costs in most of the net importing and net exporting countries decrease and increase respectively, due to insufficient generation capacities in several countries. A key finding from our study is that most of the planned interconnections by WAPP could be underutilized in 2030, thus providing an opportunity to integrate unexplored hydro and solar resources in the region.

Keywords: Cross-border electricity trading; Electricity network modelling; Interconnections; Renewable energy; Electricity market integration; West African power pool (search for similar items in EconPapers)
Date: 2020
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DOI: 10.1016/j.rser.2019.109647

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