29. August 2018

New version of ISO 50001 to be published in autumn 2018

The current and latest draft (FDIS) of the energy management standard ISO 50001 was approved with 100% approval. The ISO standard is expected to be published in autumn 2018. The new energy management standard ISO 50001:2018 is structured according to the so-called "High Level Structure" (HLS) in line with the new versions of the ISO standards in the areas of environment (ISO 14001:2015), quality (ISO 9001:2015) and occupational safety (ISO 45001:2018).

This makes it easier for users to integrate the energy management standard into other management systems. Compared to the previous standard, the new version focuses on the requirements for improving energy-related performance. What is required is a methodologically conclusive collection and evaluation of energy data, including the normalisation of energy performance indicators (EnPI) and the verification of efficiency improvement. The basis for this is the use of suitable methods for evaluating the main factors influencing energy consumption.

Focus on energy-related performance

Since 14 October 2017, continuous improvement of energy-related performance has been a prerequisite for successful ISO 50001 certification. Since then, ISO 50003 certification bodies have been obliged to check these requirements for initial and re-certification. The two guidelines ISO 50006 (Guide to Energy Performance Indicators) and ISO 50015 (Guide for measuring and verifying energy-related performance) provide assistance in recording and verifying energy performance. With the new version of ISO 50001, the requirements and terms are taken up and integrated into the energy management standard.

Companies that have already had to prove an improvement in energy-related performance as part of certification already meet a large part of the new requirements of ISO 50001:2018.

New terminology

In the context of HLS, some terms are changed analogously to other new management system standards. For example, "documents" and "records" are replaced by "documented information". The following terms are newly introduced:

"static factor": An identified factor that affects energy performance and does not change routinely.

"normalisation": the modification of energy data to consider changes and thus allow the comparison of energy-related performance under equivalent conditions.

In addition, external and internal issues relevant to energy management as well as interested parties and their requirements must be determined in the future. The resulting risks and opportunities for energy-related performance must be identified.

Role of the responsible parties

The role of the top management will also change with the amendment to ISO 50001. In the future, it will be up to the top management to ensure that the energy management system achieves its intended targets. In future, the energy management team (which can consist of just one person) will be responsible for the operational support of the energy management system.

Clear wording of requirements

The requirements for the energetic evaluation will be formulated more clearly in the future. It is specified that for each significant energy use (SEU) the relevant variables, the current energy-related performance and the person(s) influencing the SEU must be determined.

The new standard distinguishes between targets ("results to be achieved") and energy targets ("quantifiable target for improving energy performance"). This means that the requirement that there must also be specific goals for improvement is included in the standard.

In the context of the management review, the new points to be dealt with must be taken into account accordingly.

A three-year transition period is expected for the transition from the current ISO 50001. The certificates according to the old ISO 50001:2011 become invalid after expiry of the transition period.

We gladly support you

We would be pleased to support you in the conversion of your system to the new standard or offer you an individual training to ISO 50001:2018.

After publication of the new ISO 50001, an in-house training will be held at IngSoft. We will inform you separately about the date.

IngSoft InterWatt supports you to comply with the new standard requirements. If you would like to learn more about our energy management software IngSoft InterWatt, we look forward to hearing from you.

Please send us an email.


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