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An identification of suitable zones to investigate for development of both grid connected and offgrid solar and wind projects Results are presented for 15 countries in West Africa, all of which are part of the ECOWAS community
for solar and wind energy in West AfricaCalculation is simple, and based on critical parameters such as grid proximity, topography, resource quality, population density, land-cover and protected areas
4. Results are presented as maps and numbers that indicate technical potential Suitability Analysis
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Sample results Wind grid connectedSample results Solar grid connectedResults
Two (2) wind sites in Cape Verde with a combined capacity of 4.8 MW Cape Verde?Powered by
3. Results show that both sites are feasible below current electricity tariffs on the islandSites were assessed for economic feasibility using proprietary models developed by IRENASite Appraisal
Site 1 Sao Vicente, 4MW capacityProduction estimates1. Wind data analysis inter-annual variability, and frequency distribution3. Financial model cash flow model, NPV, IRR and Sensitivity analysisPowered by
Data Analysis, Power Simulation & Financial modelling Resolution [min]60Length [years]10.0Mean wind speed [m/s]6.9Max wind speed [m/s]15.3Min wind speed [m/s]0Interannual variability 4.91%Air density [kg/m3]1.171
P25 [MWh/Year]11,125P50 [MWh/Year]9,707P90 [MWh/ Year]7,013
NPV net income before tax2,122,255IRR before tax10.17%NPV net income after tax0IRR after tax8.00%
Production estimates1. Wind data analysis inter-annual variability, and frequency distribution3. Financial model cash flow model, NPV, IRR and Sensitivity analysisPowered by
Site 2 Maio, 800kW capacity Data Analysis, Power Simulation & Financial modelling Resolution [min]60Lenght [years]10.0Mean wind speed [m/s]8.0Max wind speed [m/s]16.6Min wind speed [m/s]0Interannual variability 3.87%
P25 [MWh/Year]3,281P50 [MWh/Year]2,929P90 [MWh/Year]2,259
NPV net income before tax421,156IRR before tax10.15%NPV net income after tax-2,471IRR after tax8.0%