Abstract
From a practical point of view, no power system is free of losses. Power system losses, especially in distribution systems are usually high and result in increasing the cost of operations to the electric utilities and the price tag of electricity to the consumers. Aggregate Technical, Commercial and Collection (ATC&C) losses is a reliable parameter that reveals the true energy and revenue loss conditions of distribution systems. In this paper, mathematical models were developed for the determination of billing efficiency, collection efficiency, and ATC&C losses using Life Camp Area Office’s network of Abuja Electricity Distribution Company Plc Nigeria, as a case study. The average billing efficiency, collection efficiency and ATC&C losses for the period under review were found to be 89.73%,84.80%, and 23.79% respectively. An understanding of appraisal of these losses is important to the power system Engineers, energy policy makers, and the power firms as it enables areas of high losses in the network to be identified, which will give room for credible investment plans and subsequent monitoring of the losses.
 Keywords: ATC&C losses, billing, energy, distribution system, revenue
Highlights
With the power generating stations sited far from the consumers, it is essential to step up the generated voltage to higher levels for transmission (Ayamolowo et al, 2019)
According to the earlier grouping of the customers, a mathematical model is formulated for analysis of ATC&C losses of the case chosen using the data on energy delivered, energy billed, and revenue generated for a period of six months (July 2019 to December 2019)
This means that the Area Office was unable to bill 21.16%, 9.74%, and 13.42% of the net energy received in August, October, and July respectively
Summary
With the power generating stations sited far from the consumers, it is essential to step up the generated voltage to higher levels for transmission (Ayamolowo et al, 2019). Electrical distribution is the last stage in the delivery of electricity to consumers. Power system losses are wasteful energy resulting from internal or external factors, and dissipation of energy in the system, and they include losses incurred between sources of power and consumers, losses due to resistance, energy theft, and miscalculations (Anumaka, 2012). This results in an increase in the cost of operations to the power utilities and the price tag of electricity to the customers. The distribution system being the last stage in power delivery, is the revenue generation subsector of the electricity
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