Abstract
Energy audit and reliability assessment of distribution systems are important to keep track of power system's performance. This will in turn help to minimize power interruptions to customers, boost industrialization, research, and economic development in any nation. In this paper, we present the reliability assessment of power distribution in Afe Babalola University, Ado-Ekiti, Nigeria which is a private University with an estimated population of about 10,500 and having a peak power demand of 2MW. A critical assessment of the power distribution system was carried out with data obtained from the campus's central Substation, taking into account various reliability indices. Furthermore, the load consumption of each substation was obtained from the period of January, 2017 to December, 2017. The results obtained show that the University attained a power availability (ASAI) of 0.99984 because of the presence of strategically placed distributed generators (DGs). The reliability assessment revealed SAIDI as 1.4347 hours /customer year, CAIDI as 0.6620 hours/customer interruption, ASUI as 0.00016, and SAIFI as 2.16712 failures/ customer year. Furthermore, the study revealed that the university spends more on diesel generators than on the electricity supplied from Benin Electricity Distribution Company (BEDC). The aforementioned reliability results reveal that power distribution in Afe Babalola University is very reliable, efficient and stable.
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