Abstract
Electricity is indispensable to a nation’s economic development. In this paper, analysis of energy sources was carried out to ascertain their costs. The selected energy alternatives are PHCN 132 kV/33 kV/11 kV Substation and Captive Cummings Diesel generator. The case study-site was University of Lagos, Akoka located within Lagos, a commercial city in Nigeria. Practical surveys and data collection were carried out from the power house coupled with their load estimation to obtain the total cost of electricity consumed. The results indicate that, on a monthly basis, the university spends about $820,000 on diesel generator and $228,500 on PHCN.The results also show that other alternative energy sources should be included in the overall energy mix in order to minimise the total power cost of the university.
Highlights
Electricity is indispensable to a nation’s economic development as it drives industrialization, technology advancement and standard of living of the people
The main campus has various options for electricity generation; Power Holding Company of Nigeria (PHCN) 132 kV/33kV/11 kV Substation, Captive Cummings Diesel generator, Solar cells and battery-powered inverter used in some faculties and departments (Unilag, Works and Physical Planning Department, 2012))
The main campus has various options for electricity generation; PHCN 132 kV/33 kV/11 kV Substation, Captive Cummings Diesel generator, Solar cells and battery-powered inverter used in some faculties and departments (Unilag, Works and Physical Planning Department, 2012)
Summary
Electricity is indispensable to a nation’s economic development as it drives industrialization, technology advancement and standard of living of the people. Brazil has 100,000 MW of grid-based generating capacity for a population of 201million people. South Africa has 40,000 MW of grid-based generating capacity for a population of 50 million people. Electricity generation in Nigeria is characterized by excess capacity and inadequate supply. A poorly-motivated workforce, vandalisation and theft of cables and other vital equipment, accidental destruction of distribution lines, illegal connections and resultant over-loading of distribution lines, are additional major problems of the electricity sector. These have been responsible for unannounced load shedding, prolonged and intermittent outages which most consumers of electricity in Nigeria have had to contend with over the years. The generator is used to power the electrical load and is sometimes complemented with PHCN
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