Influence of Electrification Pathways in the Electricity Sector of Ethiopia-Policy Implications Linking Spatial Electrification Analysis and Medium to Long-Term Energy Planning

被引:29
作者
Pappis, Ioannis [1 ]
Sahlberg, Andreas [1 ]
Walle, Tewodros [2 ]
Broad, Oliver [3 ]
Eludoyin, Elusiyan [3 ]
Howells, Mark [4 ,5 ]
Usher, Will [1 ]
机构
[1] KTH Royal Inst Technol, Div Energy Syst, Dept Energy Technol, Brinellvagen 68, S-10044 Stockholm, Sweden
[2] Addis Ababa Univ, Addis Ababa Inst Technol, Energy Ctr, POB 385, Addis Ababa, Ethiopia
[3] UCL, UCL Energy Inst, Cent House,14 Upper Woburn Pl, London WC1H 0NN, England
[4] Loughborough Univ, Dept Geog, Loughborough LE11 3TT, Leics, England
[5] Imperial Coll London, Ctr Environm Policy, London SW7 2BU, England
关键词
energy planning; electricity demand scenarios; on-grid and off-grid technologies; OSeMOSYS; OnSSET; SDG7; GRID RURAL ELECTRIFICATION; MODELING SYSTEM; POWER-SYSTEMS; BOTTOM-UP; ACCESS; OPTIMIZATION; COUNTRIES; OSEMOSYS; FUTURE; BASE;
D O I
10.3390/en14041209
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
Ethiopia is a low-income country, with low electricity access (45%) and an inefficient power transmission network. The government aims to achieve universal access and become an electricity exporter in the region by 2025. This study provides an invaluable perspective on different aspects of Ethiopia's energy transition, focusing on achieving universal access and covering the country's electricity needs during 2015-2065. We co-developed and investigated three scenarios to examine the policy and technology levels available to the government to meet their national priorities. To conduct this analysis, we soft-linked OnSSET, a modelling tool used for geospatial analysis, with OSeMOSYS, a cost-optimization modelling tool used for medium to long-run energy planning. Our results show that the country needs to diversify its power generation system to achieve universal access and cover its future electricity needs by increasing its overall carbon dioxide emissions and fully exploit hydropower. With the aim of achieving universal access by 2025, the newly electrified population is supplied primarily by the grid (65%), followed by stand-alone (32%) technologies. Similarly, until 2065, most of the electrified people by 2025 will continue to be grid-connected (99%). The country's exports will increase to 17 TWh by 2065, up from 832 GWh in 2015, leading to a cumulative rise in electricity export revenues of 184 billion USD.
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页数:36
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