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Economic Feasibility of Green Hydrogen Production by Water Electrolysis Using Wind and Geothermal Energy Resources in Asal-Ghoubbet Rift (Republic of Djibouti): A Comparative Evaluation

Author

Listed:
  • Mohamed Osman Awaleh

    (Centre d’Etudes et de Recherches de Djibouti (CERD), Institut des Sciences de la Terre, Route de l’aeroport, Djibouti City B.P. 486, Djibouti)

  • Abdi-Basid Adan

    (Centre d’Etudes et de Recherches de Djibouti (CERD), Institut des Sciences de la Terre, Route de l’aeroport, Djibouti City B.P. 486, Djibouti)

  • Omar Assowe Dabar

    (Centre d’Etudes et de Recherches de Djibouti (CERD), Institut des Sciences de la Terre, Route de l’aeroport, Djibouti City B.P. 486, Djibouti)

  • Mohamed Jalludin

    (Centre d’Etudes et de Recherches de Djibouti (CERD), Institut des Sciences de la Terre, Route de l’aeroport, Djibouti City B.P. 486, Djibouti)

  • Moussa Mahdi Ahmed

    (Centre d’Etudes et de Recherches de Djibouti (CERD), Institut des Sciences de la Terre, Route de l’aeroport, Djibouti City B.P. 486, Djibouti)

  • Ismael Abdillahi Guirreh

    (Département Logistique & Transport, Institut Universitaire de Technologie, Université de Djibouti, Croisement RN2-RN5, Balbala B.P. 1904, Djibouti)

Abstract

The Republic of Djibouti has untapped potential in terms of renewable energy resources, such as geothermal, wind, and solar energy. This study examines the economic feasibility of green hydrogen production by water electrolysis using wind and geothermal energy resources in the Asal–Ghoubbet Rift (AG Rift), Republic of Djibouti. It is the first study in Africa that compares the cost per kg of green hydrogen produced by wind and geothermal energy from a single site. The unit cost of electricity produced by the wind turbine (0.042 $/kWh) is more competitive than that of a dry steam geothermal plant (0.086 $/kWh). The cost of producing hydrogen with a suitable electrolyzer powered by wind energy ranges from $0.672/kg H 2 to $1.063/kg H 2 , while that produced by the high-temperature electrolyzer (HTE) powered by geothermal energy ranges from $3.31/kg H 2 to $4.78/kg H 2 . Thus, the AG Rift area can produce electricity and green hydrogen at low-cost using wind energy compared to geothermal energy. The amount of carbon dioxide (CO 2 ) emissions reduced by using a “Yinhe GX113-2.5MW” wind turbine and a single flash geothermal power plant instead of fuel-oil generators is 2061.6 tons CO 2 /MW/year and 2184.8 tons CO 2 /MW/year, respectively.

Suggested Citation

  • Mohamed Osman Awaleh & Abdi-Basid Adan & Omar Assowe Dabar & Mohamed Jalludin & Moussa Mahdi Ahmed & Ismael Abdillahi Guirreh, 2021. "Economic Feasibility of Green Hydrogen Production by Water Electrolysis Using Wind and Geothermal Energy Resources in Asal-Ghoubbet Rift (Republic of Djibouti): A Comparative Evaluation," Energies, MDPI, vol. 15(1), pages 1-23, December.
    • Handle: RePEc:gam:jeners:v:15:y:2021:i:1:p:138-:d:711344
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    References listed on IDEAS

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    1. Abdek Hassan Aden & Jasmin Raymond & Bernard Giroux & Bernard Sanjuan, 2021. "New Insights into Hydrothermal Fluid Circulation Affected by Regional Groundwater Flow in the Asal Rift, Republic of Djibouti," Energies, MDPI, vol. 14(4), pages 1-24, February.
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    Cited by:

    1. Joseph Akpan & Oludolapo Olanrewaju, 2023. "Sustainable Energy Development: History and Recent Advances," Energies, MDPI, vol. 16(20), pages 1-44, October.

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