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Planet
Compressed air offers potential savings

A best-practice example that shows there are potential savings everywhere—including in the production of compressed air.

At the production site E.G.O. Elektro-Komponente d.o.o. in Zagreb, Croatia (E.G.O. Croatia), temperature limiters, switches, and regulators are produced in many different versions and in large quantities. Manufacturing the compressed air required for production accounted for around 30 % of the site’s energy consumption and, as the main consumer, offered significant potential for improvement. That’s why the specialists on site checked and analyzed the processes and usage behavior. They then developed solutions for reducing energy consumption in compressed air production, which were planned and implemented in two projects:

1. Compressors

The compressors previously used to produce compressed air have been replaced by state-of-the-art, efficient compressors. Each year, the E.G.O. production site now saves 214 t COe and 1,595,000 kWh of electricity when producing compressed air.

2. Compressed air consumption in the production line

The analysis of compressed air consumption resulted in several solutions, which were quickly implemented in the production lines. For example, automated controls and additional valves now help to stop the flow of compressed air when it is no longer needed.

The compressed air consumption measured directly at the air supply points in the installation is also gathered and analyzed. Higher consumption is immediately noticeable and direct action can be taken. This measure saves E.G.O. Croatia 2.05 t COe and 15,339 kWh of electricity per year.

GRI 302-1

Energy

An organization’s total energy consumption is the sum of the consumption of renewable and non-renewable energy sources. Renewable energy sources include electricity from photovoltaic plants, hydropower, or energy from a biogas plant. Heating oil, natural gas, or electricity from coal-fired power plants are among the non-renewable sources.
Energy consumption has been reduced through various energy efficiency measures in all business groups. In addition, energy consumption at the production sites fell in 2022 due to declining capacity requirements.

Examples of energy efficiency measures:

  • Renewal of the compressors of E.G.O. Elektro-komponente d.o.o., Zagreb, Croatia
  • Optimization of the annealing furnaces of E.G.O. Elektrikli Aletler Sanayi A.S., Ergene, Turkey

Energy consumption within the organization (MWh)

2021

2022

Fuel consumption from
non-renewable sources
84,990.42
68,584.03
Fuel consumption from
renewable sources

296.64
Electricity, heat energy, cooling energy, and steam consumption
146,097.25
131,149.64

TOTAL

0
0
2021: 231,087.67 MWh
2022: 200,030.31 MWh

Sustainability Report 2023
as a PDF

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