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As the result of a worldwide energy-saving programme, Sidel has supported Nestlé Waters in achieving reductions in its energy consumption at production sites in countries around the globe. Thus, the world’s leading producer of bottled water has achieved energy savings equivalent to the consumption of more than 20 ovens, representing savings of more than 1 million euros a year.

Blow moulding machines which generally account for as much as 70% of the total energy consumption of a complete beverage bottling line came into focus. When charged with reviewing the efficiency of the company’s electrical energy usage, Sidel started by carrying out a pilot Eco audit on two of Nestlé Waters’ blow moulders.

After monitoring and measuring the electrical consumption of the blowers, Sidel identified corrective energy-saving measures to Nestlé Waters. One such recommendation was the installation of oven-top reflector lamps to maintain energy in the ovens of the blow moulding machines. This achieved a reduction in the electrical power consumption required for the preform heating process equivalent to turning off 20 preform ovens.

In close collaboration with Sidel, the energy conservation programme was deployed in all Nestlé Waters’ plants worldwide. By the end of 2015, nearly 130 Sidel blow moulding machines were successfully converted with the oven-top reflector lamps. All of them will have given a return on investment (ROI) of between six and 24 months, according to the company.

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