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Frontiers in Energy >> 2012, Volume 6, Issue 4 doi: 10.1007/s11708-012-0205-y

Techno-economic evaluation of wind energy in southwest Nigeria

1. Department of Energy and Process Engineering, Norwegian University of Science and Technology, Trondheim 7030, Norway; 2. Department of Mechanical Engineering, University of Ibadan, Oyo State 23402, Nigeria; 3. Mechanical Engineering Department, Covenant University, Ogun State 11001, Nigeria; 4. School of Engineering, Lagos State Polytechnic, Lagos 23401, Nigeria

Available online: 2012-12-05

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In this study, an analysis of the wind energy potential in the southwest geo-political region of Nigeria was conducted. A 37-year (1971–2007) wind speed data set measured at 10 m height, obtained from eight meteorological stations within the region was analyzed using a 2-parameter Weibull function. Besides, a techno-economic evaluation of large wind energy conversion systems with power ratings ranging from 0.6 to 2 MW at different hub heights based on the levelized unit cost of electricity was made for the different sites considered. The result showed that electricity cost varied from 0.06997 and 0.11195 $/(kW·h) to 2.86611 and 4.58578 $/(kW·h) at limit values of turbine specific cost band intervals of 1000 and 1600 $/kW. It was further shown that Lagos, having the highest accumulated power outputs of 430.10 kW/a from DeWind D7 at 70 m hub height, is the most preferred for economically usable power generation in terms of the levelized unit cost.

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