Developing nations have a critical need to increase electricity supply.Sudan has much unrealized potential for generating solar energy,particularly in the northern region.This research study focuses on designing a 1-G...Developing nations have a critical need to increase electricity supply.Sudan has much unrealized potential for generating solar energy,particularly in the northern region.This research study focuses on designing a 1-GW solar power station in northern Sudan using the PVsyst7.0 software program.To determine the appropriate location for the solar-energy station,14 criteria were evaluated.This process is generic and suitable for use in any other country.The method for conducting cash-flow estimates and return on investment is illustrated in the economic evaluation.The city of Dongola,the capital of the northern state,was selected because of its high annual irradiance on a horizontal surface at~2333.2 kWh/m2.The simulation results show that the annual optimum tilt angle of inclination for photovoltaic(PV)modules is 30°,the energy production is 1979259 MWh/yr and the average annual performance rate is 0.810.In addition,the electric power consumption per capita in Sudan is 269 kWh/yr,so the proposed solar power plant with 1979259 MWh/yr can provide energy to 7.4 million people per year annually and reduce carbon emissions by~18 million tons of carbon dioxide per year.Economic calculations show that the levelized cost of electricity(LCOE)is$0.06/kWh,the discounted payback period is~11 years and the net present value is$635291000.As a result,the proposed grid-connected PV solar plant is considered economically,technically and environmentally feasible in Sudan.展开更多
文摘Developing nations have a critical need to increase electricity supply.Sudan has much unrealized potential for generating solar energy,particularly in the northern region.This research study focuses on designing a 1-GW solar power station in northern Sudan using the PVsyst7.0 software program.To determine the appropriate location for the solar-energy station,14 criteria were evaluated.This process is generic and suitable for use in any other country.The method for conducting cash-flow estimates and return on investment is illustrated in the economic evaluation.The city of Dongola,the capital of the northern state,was selected because of its high annual irradiance on a horizontal surface at~2333.2 kWh/m2.The simulation results show that the annual optimum tilt angle of inclination for photovoltaic(PV)modules is 30°,the energy production is 1979259 MWh/yr and the average annual performance rate is 0.810.In addition,the electric power consumption per capita in Sudan is 269 kWh/yr,so the proposed solar power plant with 1979259 MWh/yr can provide energy to 7.4 million people per year annually and reduce carbon emissions by~18 million tons of carbon dioxide per year.Economic calculations show that the levelized cost of electricity(LCOE)is$0.06/kWh,the discounted payback period is~11 years and the net present value is$635291000.As a result,the proposed grid-connected PV solar plant is considered economically,technically and environmentally feasible in Sudan.