Benchmark & Case Studies
Reduction of Energy Consumption in the Process Industry
Challenge
Problems
• High energy costs: 12% of industrial costs.
• Electricity costs increasing year on year.
Root causes
• Lack of knowledge of the weight of different equipment in the overall consumption.
• Unused equipment not switched off.
• Low factory power factor (0.85).
Solutions
• Ishikawa analysis of electricity over-consumption.
• Process for disposal of unused equipment.
• Standardisation of start-up after shutdown, with optimum sequence to minimise power peaks.
• Installation of measuring devices on critical equipment. Consumption data analysis by equipment with launching of countermeasures.
Results
This project generated savings of £211k/year.
Electricity Costs
Electricity Costs reduced by 17%.
Power Factor Correction
Power Factor Correction improved by 14%.
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