This article describes the process followed by a glass manufacturing facility, benchmarking the energy consumption, the analysis performed, and finally the saving opportunities that have been identified. The essential purpose of the article is to communicate the nature of energy wastage in the plant and show the benefit which may accrue with a carefully planned program of retrofits and improved energy management. The recommendations affecting the system under study are based on the analysis of information gathered, current energy efficiency methods and/or technologies, and engineering judgment. A cost analysis is also provided for each recommended option. Financial data is given in Kenyan shillings (KES). One US dollar is equivalent to about seventy Kenyan shillings.
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Grobler et al. (2004) studied this question.