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GL Systems Certification will begin to offer energy management certification from July 2011. They have finalised all of the necessary preparations and expect to receive accreditation within the next few weeks.Lead Auditor Bernhard Grimm explains how a certification according to ISO 50001 and EN 16001 standards can help to identify potential energy savings and to reduce energy costs permanently.
Mr Grimm, what is an Energy-Management-System (EnMS)?Energy management systems help to increase energy efficiency in companies and organisations. In order to do this, the essential energy flows are systematically recorded and identified, assessed and specifically implemented based on the basis of their energy saving potential.
A well-run energy management system highlights the past, current and probable energy uses of a company in a transparent manner. For this reason they are an important management tool for those responsible, particularly for investment decisions in the energy sector.
Where can energy be saved with the help of an Energy-Management-System?There are countless examples to illustrate how and where an Energy-Management-System can help to save energy. They include the use of lighting equipment, building and heating technology, heat recovery, piping and pump systems.
Example 1: Compressed air
One example of a significant "energy guzzler" in many companies is the inappropriate use of compressed air; starting with the generation of the compressed air, which is often produced with inefficient compressors, to the usage of compressed air that is no longer appropriate for the installations, or unnoticed leaks, which result in large amounts of compressed air simply "vanishing into thin air".
Example 2: Load management
Or take the subject of load management. An analysis of the load profiles of a company, i.e. the varying amounts of energy consumption, can help to prevent too much power being consumed at certain times. The energy supply company uses the maximum level of demand for electricity to determine the electricity price, as it has to keep this maximum power requirement available for the company. A load management system can therefore schedule electricity consumption at particular times and, in exceptional cases, can even switch off energy users that are not absolutely necessary, such as air conditioning, for a short period in order to reduce demand peaks.
Example 3: Heat management in buildings
Intelligent heating management for buildings, on the other hand, achieves energy savings by simply arranging functional rooms in a sensible manner. For example, an IT server room on the side of the building facing away from the sun can get by with significantly less cooling than on the south-facing side.
In many cases, production halls, in particular those with hot-running engines, are ventilated or cooled with poorly thought-out and inefficient ventilation systems. Sometimes, simply the hall doors are opened which results in nothing but drawing in hot air that has been heated by the asphalt outside the entrance to the hall. A sensible alternative is to suck in the cooler air above grassy areas; or even better, to use the coolness of the ground by feeding air through underground ducts.
Mr Grimm, what is an Energy-Management-System (EnMS)?Energy management systems help to increase energy efficiency in companies and organisations. In order to do this, the essential energy flows are systematically recorded and identified, assessed and specifically implemented based on the basis of their energy saving potential.
A well-run energy management system highlights the past, current and probable energy uses of a company in a transparent manner. For this reason they are an important management tool for those responsible, particularly for investment decisions in the energy sector.
Where can energy be saved with the help of an Energy-Management-System?There are countless examples to illustrate how and where an Energy-Management-System can help to save energy. They include the use of lighting equipment, building and heating technology, heat recovery, piping and pump systems.
Example 1: Compressed air
One example of a significant "energy guzzler" in many companies is the inappropriate use of compressed air; starting with the generation of the compressed air, which is often produced with inefficient compressors, to the usage of compressed air that is no longer appropriate for the installations, or unnoticed leaks, which result in large amounts of compressed air simply "vanishing into thin air".
Example 2: Load management
Or take the subject of load management. An analysis of the load profiles of a company, i.e. the varying amounts of energy consumption, can help to prevent too much power being consumed at certain times. The energy supply company uses the maximum level of demand for electricity to determine the electricity price, as it has to keep this maximum power requirement available for the company. A load management system can therefore schedule electricity consumption at particular times and, in exceptional cases, can even switch off energy users that are not absolutely necessary, such as air conditioning, for a short period in order to reduce demand peaks.
Example 3: Heat management in buildings
Intelligent heating management for buildings, on the other hand, achieves energy savings by simply arranging functional rooms in a sensible manner. For example, an IT server room on the side of the building facing away from the sun can get by with significantly less cooling than on the south-facing side.
In many cases, production halls, in particular those with hot-running engines, are ventilated or cooled with poorly thought-out and inefficient ventilation systems. Sometimes, simply the hall doors are opened which results in nothing but drawing in hot air that has been heated by the asphalt outside the entrance to the hall. A sensible alternative is to suck in the cooler air above grassy areas; or even better, to use the coolness of the ground by feeding air through underground ducts.
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