Feasibility Analysis of a Stand-Alone Photovoltaic (PV)/Hydro Power System for Community Service Facilities

Datos de publicación:
Electronic Journal of Energy & Environment, Vol. 2, Nº 1, 18-33, 2014
Generación de energía - Energía renovable - Hidrosistemas
There is the need for the provision of an alternative sustainable electric power supply system to provide electricity for Community Service Facilities (CSF) such as Information Communication Technology (ICT) for e-service to rural communities, rural banking, hospitals, and supply of potable water if the social and economic lives of rural citizens in Nigeria are to be improved. This paper presents the feasibility study of a stand-alone Photovoltaic (PV)/Hydro power system for CSF in Ogologo-Eji Ndiagu Akpugo in Nkanu-West L.G.A located in South-Eastern Nigeria on Latitude 6°35'N and Longitude 7°51'E with annual average solar daily radiation of 4.73kWh/m²/d. The river used for the study is Atavo stream also located in Ogologo-Eji Ndiagu Akpugo. In carrying out the flow measurement of the stream, the length, width, and depth of the stream were measured, while a floating object was used as the technique for the determination of the surface speed. The readings were taken over a period of 2 years (2010-2012) with an average stream discharge of 26.42 M3/s. Load estimates of a typical rural ICT infrastructures, banking and hospital were estimated. The simulation results show that the renewable energy system (RES) is capable of supplying sufficient power, is reliable, economically viable and, most importantly, is environmentally friendly. The Optimization study indicates that energy requirements to provide electricity for community service facilities load demand of the 58 kWh/day with a 3.7 kW peak and a deferrable load of 6.6kWh/d with 1.1kW peak can be accomplished by a combination of the 3 kW solar PV array, 2.62 kW hydro turbine, 24 Surrette 6CS25P Battery, and a 4 kW AC/DC converter.