ISO 50001 Energy Management Systems – Requirements with Guidance for Use, helps organisations introduce, operate and continually optimise a comprehensive energy management system (EnMS). The successful implementation of this systematic approach can optimise energy use by improving energy performance, reducing energy consumption and/or increasing energy efficiency.
First released in 2011, ISO 50001 has gained wide global acceptance amongst companies wishing to raise awareness of resource efficiency. On 21 August 2018 a revised edition of ISO 50001 was published by the ISO (International Organization for Standardization). On 23 November 2018 the German version of the revised standard DIN EN ISO 50001:2018 was published by DIN. Organisations which currently hold ISO 50001:2011 certification must re-certify on 20 August 2021 at the latest, to meet the requirements of this updated standard. From 21 February 2020 onwards, audits may only be carried out according to ISO 50001:2018, as per the IAF-resolution 2017-14 (International Accreditation Forum).
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