Evaluation of the potential for small-scale hydroelectricity in the Wassadou catchment using the SWAT hydrological model
Journal: Region - Water Conservancy DOI: 10.32629/rwc.v7i1.3167
Abstract
The increase in the amount of CO2 and global warming due to fossil fuels has made it necessary to explore other inexhaustible, available and non-polluting energy sources such as renewable energies. Hydroelectric power accounts for 19% of the global production. Small hydroelectric power stations are small, inexpensive production units. The hydroelectric power potential depends on the flow and the head. In this study, we select sites for the evaluation of small hydroelectric power potential in the Wassadou watershed on the Gambia River. Using ArcGis, and the digital elevation model (DEM), 35 small hydroelectric power (SHP) sites have been found on 11 streams flows. The soil water assessment tool (SWAT) hydrological model was calibrated for a 1990-1995 observation period and validated for the 1996-1998 period. The accuracy of the model was confirmed by the coefficient of determination (R2 = 0.70) and the Nash-Sutcliffe efficiency criterion (NSE = 0.80). This model was used to generate daily flows at each site over the period 1990-1998 which allowed us to plot the flow duration curve. A total hydroelectric potential of 147,421kW, 14,229kW, and 1,859 kW available at 40%, 50%, and 60% respectively at all 35 sites was evaluated. The results of this study provide a decision tool for policy makers and investors for the selection of suitable sites and implementation of small hydroelectric power plants to meet energy needs in remote areas.
Keywords
renewable energy; small hydropower; hydropower potential
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[7] Bousquet Cé, Samora I, Manso P, Rossi L, Heller P, Schleiss AJ. 2017. Assessment of hydropower potential in wastewater systems and application to Switzerland, Renewable Energy, doi: 10.1016/j.renene.2017.05.062
[8] Christian Bauer. 2015. Assessment of Run-Of-River Hydropower Potential and Power Supply Planning in Nepal using Hydro Resources, thesis, P1-97.
[9] Da Silva, M.G., de Oliveira de Aguiar Netto, A., de Jesus Neves, R.J., do Vasco, A.N., Almeida, C. and Faccioli, G.G. 2015. Sensitivity Analysis and Calibration of Hydrological Modelling of the Watershed Northeast Brazil. Journal of
Environmental Protection, 6, 837-850. http://dx.doi.org/10.4236/jep.2015.68076
[10] Dante G. Larentis, Walter Collischonn, Francisco Olivera, Carlos E.M. Tucci. 2010. Gis-based procedures for hydropower potential spotting, Energy (2010), doi: 10.1016/j. energy.07.014
[11] Francisco Manzano-Agugliaroa, Myriam Taher, Antonio Zapata-Sierra, Adel Juaidi, Francisco G. Montoya. 2016. An overview of research and energy evolution for small hydropower in Europe, Renewable and Sustainable Energy Reviews. http://dx.doi.org/10.1016/j.rser.2016.11.013
[12] Konstantinos X Soulis Dimitris Manolakos, John Anagnostopoulos Dimitris Papantonis. 2016. Development of a geo-information system embedding a spatially distributed hydrological model for the preliminary assessment of the hydropower potential of historical hydro sites in poorly gauged areas. Renewable Energy 92 (2016) P.222-232 http://dx.doi.org/10.1016/j.renene.2016.02.013
[13] Kusre B.C., Baruah D.C., Bordoloi P.K., Patra S.C. 2009. Assessment of hydropower potential using GIS and hydrological modeling technique in Kopili River basin in Assam (India). Applied Energy 87 (2010) 298–309, doi:10.1016/j.apenergy.2009.07.019
[14] Lea Kosnik. 2010. The potential for small scale hydropower development in the US, Energy Policy, doi:10.1016/j.enpol.2010.04.049
[15] Nagendra Kayastha, Umesh Singh and Krishna Prasad Dulal. 2018. A GIS Approach for Rapid Identification of Run-of-River (RoR) Hydropower Potential Site in Watershed: A case study of Bhote Koshi Watershed, Nepal, HYDRO NEPAL | ISSUE NO. 23
[16] Ravi Shanker Mathi, Dr. Tanweer Desmukh. 2016. Spatial Technology for Mapping Suitable Sites for Run-of-River Hydro Power Plants, International Journal of Emerging Trends in Engineering and Development, ISSN: 2249-6149.
[17] Rovick P. Tarife, Anacita P. Tahud, Ellen Jane G. Gulben, Haroun Al Raschid Christopher P. Macalisang, and Ma. Teresa T. Ignacio. 2017. Application of Geographic Information System (GIS) in Hydropower Resource Assessment: A Case Study in Misamis Occidental, Philippines, International Journal of Environmental Science and Development, Vol. 8, No. 7 doi: 10.18178/ijesd.2017.8.7.1005
[18] Thomas M. Mosier, Kendra V. Sharp, David F. Hill. 2016. The Hydropower Potential Assessment Tool (HPAT): Evaluation of run-of-river resource potential for any global land area and application to Falls Creek, Oregon, USA. Renewable Energy 97 (2016) 492-503, http://dx.doi.org/10.1016/j.renene.2016.06.002
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