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ISO 50001


The purpose of this international standard is to enable organizations to establish systems and processes that are necessary to improve energy performance, including energy efficiency, use of energy and energy consumption. The systematic approach is provided by the organization’s energy management system. Based on energy policy and the definition of the objectives and targets, action plans will be established, implemented and reviewed. According to the Austrian Energy Agency the average energy saving potentials are estimated to amount to 10 to 20 per cent.


The standard is based on the common elements of ISO management system standards in order to guarantee a high degree of compatibility, particularly with the ISO 9001 and
ISO 14001 standards. It is based upon the continual improvement process, which is known as the PDCA Cycle (Plan-Do-Check-Act), and integrates energy management in the organization’s daily business.


ISO 50001 will gain further influence due to national and international climate protection and energy strategies. Especially as the norm supports the Sustainable Development Goals No. 7 (Affordable and Clean Energy ) and No. 13 (Climate Action) issued by the United Nations.

ISO 50001:2018 aims to reduce energy consumption, to increase energy efficiency and to decrease greenhouse gas emissions. This results in immediate energy cost reductions and therefore a boost in profits.

Energy management can be established by companies and organizations irrespective of size or sector. In particular for companies requiring a high amount of energy the standard offers comprehensive systematic requirements and instructions for successful implementation.


The standard enables small and medium-sized enterprises to take the first steps towards environmental management with a focus on the partial field of energy. As for companies with an existing environmental management, the standard can help to emphasize on the environmental factor of energy even more.


Among other things, the term energy includes electricity, fuels, steam and vapour, compressed air and renewable energies. The term of use of energy is seen very comprehensively, and comprises e.g. lighting, ventilation, heating, cooling, process heat, transport, processes or production lines.


ISO 5000:2018 now also follows the High Level Structure (HLS):






Normative references




Terms and definitions




Context of the organisation


Performance evaluation







The essential requirements are:

  • Energy planning process incl. determination of energy key figures and energy starting bases (those concepts have been further specified by the revision)
  • Determination of relevant influencing factors incl. normalization
  • Action plans
  • Competence of persons who influence energy consumption
  • Improvement of the energy management system and energy relevant performance
  • Energy efficiency criteria for procurement and facility design
  • Integration into business processes


Rules for the transition

ISO 50001:2018 has been published on August 21st, 2018 and will replace ISO 50001:2011 after a three year transition period. IAF has determined that audits will have to be conducted according to ISO 50001:2018 from February 21st, 2020 onward.


The validity of certificates issued according to ISO 50001:2011 will expire on August 20th, 2021.


ISO 9001, ISO 14001, EMAS, Sustainability Reports


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Mr. Axel Dick, MSc

Executive Vice President Business Development Environment and Energy, CSR

Mr. Wolfgang Hackenauer, MSc

Network partner, Product Expert Environment and Energy

Mr. Peter Sattler, MAS

Network partner, Product Expert FSC CoC, PEFC CoC