The main aim of PMsS is to provide control over energy and environmental costs by developing an understanding of where, why and how energy is used and the environmental impacts that occur. PMsS also provides a way to determine whether specific objectives are being accomplished. The performance measurement system (PMsS), tailored to the needs of energy and environmental performance monitoring of specific business processes, provides such a mechanism and alerts managers to the problems that are developing, by collecting, processing and structuring performance data on all key activities that ultimately drive the company's profits. The prerequisites for this are the availability of reliable on-site metering and monitoring instrumentation and a system for record keeping.
In each factory a kind of metering system exists with the ultimate goal of assisting plant personnel in managing energy and environmental performance while producing a specific product or service. Another goal of such a metering system is to provide historical energy and environmental impact data to aid in projecting future loads and developing standards for the next year. But often the existing metering system would not be sufficient to provide all necessary data for an EEMS operation. If that is the case, additional instruments will be required. The extent of additionally required instrumentation is established during energy and environmental auditing, and appropriate data collection and handling procedures will be specified.
Unless energy and environmental data is measured, it is almost impossible to know where to direct performance improvement efforts. A metering system provides the vital ingredient in a successful energy and environmental management program. It is obvious that unless we do not measure, we cannot manage and control. Essentially, PMsS provides framework for:
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