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Energy efficiency at Bosch Rexroth

Bosch Rexroth shows how to achieve more with less energy:

The energy efficient model factory of the future

More information on the energy-efficient “ETA” factory can be found here:

About 32 percent of global energy consumption is the result of industrial activity, and there is considerable potential for improvement. If manufacturing facilities were to use the best technology available, energy consumption could be reduced by about a quarter between now and 2030. Bosch aims to play a pioneering role in this regard. By 2020, the company aims to reduce the CO2 emissions of its own locations by 20 percent over 2007 levels. It has made considerable progress already: at plants that have already completed the implementation phase, emissions have been reduced by as much as 30 percent.

In order to save energy without negatively affecting productivity, the company has developed the comprehensive “Rexroth for Energy Efficiency (4EE)” approach. The number stands for the four dimensions that the company has included in its systematic analysis:

  • 1. Does the facility’s size reflect its production targets?
  • 2. Can its individual components be made more energy efficient?
  • 3. In which areas are there energy surpluses that could be used elsewhere?
  • 4. Are resources being used appropriately?

At the Reutlingen manufacturing location, for instance, Bosch now saves some 10,000 tons of CO2 as a result of the program. In addition, the plant covers 90 percent of its heating needs with waste heat. And that’s not all: cooling water and the plant’s heating system have been connected to one another to reduce the amount of energy required for recooling.

Bosch also draws on its energy conversion expertise in its role as industrial and research partner for the “ETA” factory pilot project, which is being conducted under the leadership of Darmstadt Technical University. The project aims to further reduce energy consumption in industrial production, and the project stakeholders expect energy savings potential of up to 40 percent.