Geothermal energy resources in Ethiopia: Status review and insights from hydrochemistry of surface and groundwaters

Burnside, Neil; Montcoudiol, Nelly; Becker, Kerry; Lewi, Elias

doi:10.1002/wat2.1554

Cited by 17 publications

(19 citation statements)

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“…The study evaluated mixtures of non-renewable and renewable fuels in terms of their degrees of pollution damage; this has generally not been explored in the past. The earlier literature is mainly limited to the use of nuclear energy [33][34][35], biomass fuel [36,37], solar energy [38,39], wind energy [40,41], hydropower [42,43], and geothermal energy [44,45] sources in different economic settings. In comparison, the literature has largely overlooked the use of coal and brown coal and refined oil in the global data set, which is essential for formulating a sustainable policy agenda.…”

Section: Hypotheses 3 (H3) the Production Of Refined Oil Will Likely ...mentioning

confidence: 99%

Assessing Hybrid Solar-Wind Potential for Industrial Decarbonization Strategies: Global Shift to Green Development

et al. 2021

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The global energy mix is shifting from fossil fuels to combinations of multiple energy storage and generation types. Hybrid energy system advancements provide opportunities for developing and deploying innovative green technology solutions that can further reduce emissions and achieve net-zero emissions by 2050. This study examined the impact of an increasing share of wind and solar electricity production on reducing carbon intensity by controlling coal and lignite domestic consumption and the production of refined oil products in a world aggregated data panel. Data covering the last three decades were used for the analysis by the ARDL bounds testing approach. The results showed that an increasing share of wind and solar electricity production would be helpful to decrease carbon intensity in the short and long term. On the other hand, a 1% increase in coal and domestic lignite consumption increased carbon intensity by 0.343% in the short run and 0.174% in the long run. The production of refined oil products decreases carbon intensity by 0.510% in the short run and 0.700% in the long run. However, refining oil products is associated with positive and negative environmental externalities. The positive aspect depends upon the removal of harmful pollutants and the production of cleaner-burning fuels, while the negative part is related to the operational side of refineries and processing plants that may release contaminants into the atmosphere, affecting global air and water quality. Hence, it is crucial to improve processing and refining capacity to produce better-refined oil products by using renewable fuels in energy production. It is proposed that these are the most cost-effective pathways to achieve industrial decarbonization.

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Section: Hypotheses 3 (H3) the Production Of Refined Oil Will Likely ...mentioning

confidence: 99%

Assessing Hybrid Solar-Wind Potential for Industrial Decarbonization Strategies: Global Shift to Green Development

et al. 2021

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“…Woody biomass fuel is the largest form of primary energy consumed in Ethiopia. More than 90% of the domestic supplies of industrial wood and firewood comes from the natural forests which are the main sources of wood products [47]. Fuel wood accounts for the bulk of the wood used and is the predominant preferred domestic fuel in both rural and urban areas of Ethiopia.…”

Section: Firewoodmentioning

confidence: 99%

“…Fuel wood accounts for the bulk of the wood used and is the predominant preferred domestic fuel in both rural and urban areas of Ethiopia. In 2016/17, the average annual firewood production (in both commercial and non-commercial firewood) was estimated to be about 1.2 Tera Joule [47]. The firewood consumption was nearly the same.…”

Section: Firewoodmentioning

confidence: 99%

“…The Aluto-Langano, one of the 16 spotted geothermal potentials, is the only geothermal power generating plant, which was installed in 1999 in Ethiopia. Currently, it has a generating capacity of 7.3 MW [9,47,66]. Recently the GoE has announced the developmental plan of six projects to be completed in the near future with a total an installed capacity of 450 MW (Table 4).…”

Section: Geothermalmentioning

confidence: 99%

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Opportunities and Challenges of Renewable Energy Production in Ethiopia

et al. 2021

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Ethiopia is one of the fastest-growing economies in the world despite immense challenges towards access to sustainable energy supplies and modern energy technologies. The country is undertaking great effort towards the development of renewable energy technologies and green legacy. However, the largest share of energy consumption (≈87%) in Ethiopia is dominated by traditional fuels (charcoal, fuel wood, dung cakes, and agricultural residues) which pose various health and environmental risks. The country has an enormous amount of renewable energy potentials (e.g., solar, hydro, wind and geothermal), but only 5% of its full hydropower potential is exploited and others are not fully harvested or not well developed to date. This review paper provides a comprehensive assessment on renewable energy availability, potential, opportunity, and challenges in Ethiopia. We believe the information provided in this review will enlighten the current and future prospects of renewable energy deployment in Ethiopia.

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“…Several Quaternary central volcanoes namely Corbetti,Aluto,Gedemsa,Dofan...etc (Fig 1) are located along the axial portion of the MER (Burnside et al, 2021;Teklemariam et al, 2000).…”

Section: Introductionmentioning

confidence: 99%

Unraveling the Geothermal Potential of Corbetti Caldera using Integrated Geophysical Methods, Central Main Ethiopian Rift

Kebede

Alemu

Kebede

et al. 2022

Preprint

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In this paper integrated geophysical techniques, involving electrical resistivity, gravity and magnetic surveys have been carried out over the Corbetti Caldera in the central Main Ethiopian Rift (CMER) to verify the geothermal potential of the caldera. Corbetti geothermal prospect is located at about 250 km south of Addis Ababa and 20km from Awassa city and the area is bounded by Lake Awassa to the south and Lake Shalla to the north with geographic location between latitude 7.170N-7.250N and longitudes 38.300E-38.470E. The Corbetti Caldera is characterized by Quaternary volcano-tectonic activity which is mainly silicic volcanism and a resurgent caldera structural system. Quaternary volcanism is associated with a wide spread of steaming ground and fumarolic activity which could confirm the existence of a heat source at depth. Fifty six (56) VES points, 200 gravity and about 200 magnetic data have been used and analyzed. The results are presented as magnetic, gravity and electrical counter maps for qualitative interpretation. Constrained gravity and magnetic 2D model and results obtained from the geoelectric section were made for quantitative interpretation. The complete Bouguer gravity anomaly in conjugation with the total magnetic field anomaly map of the area indicates the existence of intrusion beneath the caldera, i.e. the highest Bouguer gravity anomaly resulting from the higher density of the intrusion. Correspondingly the shallower heat source caused by this intrusion is characterized by the lowest magnetic anomaly response. Results from vertical electrical soundings along profile-2 indicate the presence of a middle thicker conductive zone which is associated with the increase in temperature and alteration of rocks. Apparent resistivity map for AB/2 = 1810m and AB/2 = 2700m shows low resistivity anomaly follows the eastern and northern caldera rim, stretching north of the caldera towards Lake Shalla.

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Geothermal energy resources in Ethiopia: Status review and insights from hydrochemistry of surface and groundwaters

Cited by 17 publications

References 50 publications

Assessing Hybrid Solar-Wind Potential for Industrial Decarbonization Strategies: Global Shift to Green Development

Assessing Hybrid Solar-Wind Potential for Industrial Decarbonization Strategies: Global Shift to Green Development

Opportunities and Challenges of Renewable Energy Production in Ethiopia

Unraveling the Geothermal Potential of Corbetti Caldera using Integrated Geophysical Methods, Central Main Ethiopian Rift

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