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- W167721668 abstract "The International Energy Agency estimates that about one-fifth of the world’s population does not have access to electricity in particular in rural areas, mainly in sub-Saharan Africa and South Asia. In 2009, the rate of rural electrification in sub-Saharan Africa was 14%, considerably below the global average of 68%. The United Nations has found that access to affordable and sustainable energy, particularly electricity, can promote education, access to potable and safe water, gender equity, poverty’s end and environmental sustainability, thus electricity can have a direct impact on achieving the eight Millennium Development Goals. Decentralised energy systems, like the KUDURA concept, have the ability to provide clean energy and potable water to rural or remote communities. Nevertheless, these approaches require further development to increase its cost-effectiveness and deployment flexibility. The present work looks at two specific technologies and case-studies: small-scale biomass gasification for power generation using cashew nut shells as feedstock for the northern region of Mozambique; and micro hydro-power for power generation and energy storage for coastal Kenya – which were seen as possible cost reduction routes. These technologies are compared and analysed through the use of the HOMER software, an analytic tool for evaluating different energy technologies and resources and optimization based on economic criteria. The levelised cost of energy (LCOE) of the optimized hybrid biomass gasification system may reach €0.46/kWh, significantly below the KUDURA baseline cost of €0.53/kWh. These results are sensitive to variables such as the feedstock cost, the photovoltaic array required and, most importantly, to the costs associated to operation and maintenance, in particular the salaries of the local technicians. Regarding the proposed run-of-the-river-type hydro system, it is shown that it may achieve a LCOE in the range of €0.17-0.27/kWh, making it particularly suitable for regions with an abundant hydro resource. On the other hand, as a form of energy storage via pumped water storage, the simulation results suggested it cannot become competitive with standard electrochemical energy storage. Key-words: biomass gasification, cashew, micro-hydro, sub-Saharan Africa, LCOE" @default.
- W167721668 created "2016-06-24" @default.
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- W167721668 date "2013-01-01" @default.
- W167721668 modified "2023-09-27" @default.
- W167721668 title "Cost reduction strategies for the rural village energy concept" @default.
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