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Transition towards decarbonised power systems and its socio-economic impacts in West Africa

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  • Oyewo, Ayobami Solomon
  • Aghahosseini, Arman
  • Ram, Manish
  • Breyer, Christian

Abstract

Pathways towards a defossilated sustainable power system for West Africa within the time horizon of 2015–2050 is researched, by applying linear optimisation modelling to determine the cost optimal generation mix to meet the demand based on assumed costs and technologies in 5-year intervals. Six scenarios were developed, which aimed at examining the impact of various policy constraints such as cross-border electricity trade and greenhouse gas emissions costs. Solar PV emerges as the prime source of West Africa’s future power system, supplying about 81–85% of the demand in the Best Policy Scenarios for 2050. The resulting optimisation suggests that the costs of electricity could fall from 70 €/MWh in 2015 to 36 €/MWh in 2050 with interconnection, and to 41 €/MWh without interconnection in the Best Policy Scenarios by 2050. Whereas, the levelised cost of electricity without greenhouse emission costs in the Current Policy Scenario is 70 €/MWh. Results of the optimisation indicate that a fully renewables based power system is the least-cost, least-GHG emitting and most job-rich option for West Africa. This study is the first of its kind study for the West African power sector from a long-term perspective.

Suggested Citation

  • Oyewo, Ayobami Solomon & Aghahosseini, Arman & Ram, Manish & Breyer, Christian, 2020. "Transition towards decarbonised power systems and its socio-economic impacts in West Africa," Renewable Energy, Elsevier, vol. 154(C), pages 1092-1112.
    • Handle: RePEc:eee:renene:v:154:y:2020:i:c:p:1092-1112
    DOI: 10.1016/j.renene.2020.03.085
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    4. Muhammad Amir Raza & Muhammad Mohsin Aman & Altaf Hussain Rajpar & Mohamed Bashir Ali Bashir & Touqeer Ahmed Jumani, 2022. "Towards Achieving 100% Renewable Energy Supply for Sustainable Climate Change in Pakistan," Sustainability, MDPI, vol. 14(24), pages 1-23, December.
    5. Ishaya Tambari & Pierre Failler, 2020. "Determining If Oil Prices Significantly Affect Renewable Energy Investment in African Countries with Energy Security Concerns," Energies, MDPI, vol. 13(24), pages 1-21, December.
    6. Jose M. Gonzalez & James E. Tomlinson & Eduardo A. Martínez Ceseña & Mohammed Basheer & Emmanuel Obuobie & Philip T. Padi & Salifu Addo & Rasheed Baisie & Mikiyas Etichia & Anthony Hurford & Andrea Bo, 2023. "Designing diversified renewable energy systems to balance multisector performance," Nature Sustainability, Nature, vol. 6(4), pages 415-427, April.
    7. Jafari, Mehdi & Botterud, Audun & Sakti, Apurba, 2022. "Decarbonizing power systems: A critical review of the role of energy storage," Renewable and Sustainable Energy Reviews, Elsevier, vol. 158(C).
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    10. Yuventus Effendi & Budy P. Resosudarmo, 2022. "Socio-economic and environmental impact of intended decarbonisation policies in the East Asian region," Departmental Working Papers 2022-03, The Australian National University, Arndt-Corden Department of Economics.
    11. Mensah, Theophilus Nii Odai & Oyewo, Ayobami Solomon & Breyer, Christian, 2021. "The role of biomass in sub-Saharan Africa’s fully renewable power sector – The case of Ghana," Renewable Energy, Elsevier, vol. 173(C), pages 297-317.

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