EEMS has to be fully implemented and has to evolve from a process of change to an everyday routine, in order to contribute to lasting internal changes and learning processes. Lasting changes will be supported by the visibility of:
• energy and environmental performance improvements;
• reduced resources consumption;
• operational efficiency gains; and
• resulting cost savings.
The most important criteria of success perceived ex post by all are cost reduction, improved product quality, and better working conditions. Therefore, it is important to keep the employees regularly informed and updated on the progress of the energy and environmental management program. The information and data on energy and environmental situation and results achieved have to be made visible, tangible and understandable, because energy and environmental issues are often perceived as an abstract, technical and complex.
Therefore, regular communication and public display of the results at all ECCs are important factors for assuring continuity of effort. Figure 5.8 and Figure 5.9 provide some examples of performance improvements related to more efficient steam use and CO2 emission reductions. Both graphs show a part of base line period (March to December) prior to implementing proposed performance improvement measures and then cumulative reductions in steam use and CO2 reductions onwards. These are so called CUSUM diagrams which enable reading out the achieved improvements at any moment in time. Such positive results should be displayed and updated on the notice boards throughout the factory.
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