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ISO 50001 Energy Management Standard for Energy Optimization

DIN EN ISO 50001 was created in 2011 as an international standard for energy management systems. The standard sets the necessary framework for an individual commitment from small and medium-sized enterprises (SMEs) to large companies or public authorities. It is their task to tailor and implement the requirements formulated in ISO 50001 appropriately to their own needs. (Source: Federal Environment Agency)

In the field of DIN ISO 50000 standards, new guidelines are constantly being added that further specify the topic of energy management. In 2018, DIN ISO 50001 was adopted with the new amendment ISO 50001:2018. This amendment results in important changes from 2021 for all companies certified according to the ISO 50001:2011 standard. The three-year transition period for the changeover to the new requirements, including the High-Level Structure (HLS), expires on August 20, 2021. With the HLS, the International Organization for Standardization (ISO) is focusing on standardizing the structure and requirements of individual standards such as ISO 9001:2015 (quality management systems) and ISO 14001:2015 (environmental management systems).

Implementation of an Energy Management System according to ISO 50001

Energy Management 50001 is possible in all companies, regardless of size and industry. The companies themselves decide whether they want to introduce the energy management system as an independent management system or integrate it into an existing system. The standard does not prescribe what has to be done and how, but it does describe a procedure or process that is introduced at the company and thus inevitably leads to energy savings. This process, which follows the PDCA cycle, is usually coordinated and monitored by energy management officers (EnB) in the company. PDCA stands for plan-do-check-act and thus represents a control loop in which energy-saving measures are implemented, monitored, and, if necessary, readjusted after planning.

An energy management system in conjunction with an energy monitoring system such as Efficio helps to identify and leverage potential energy savings. First, energy flows and the associated energy sources are recorded using appropriate measurement technology and then analyzed. This approach enables energy-saving measures to be identified and evaluated economically.
The amended ISO standard from 2018 places greater emphasis on the responsibility of an organization’s top management for effective energy management and provides for better integration of energy-related issues into strategic management processes. If the DIN EN 50001 standard is implemented systematically, a company will consequently improve its energy-related performance, increase its energy efficiency, and simultaneously optimize its energy use.


Patrick Soboll is happy to support your company in meeting the requirements of ISO 50001 and systematically documenting your energy data. He can professionally advise you on all questions regarding the introduction or conversion of an energy management system according to ISO standards. Contact Mr. Soboll directly here:

Patrick Soboll

Account Manager, Energy Services

T +49 89 379 160 457
M +49 171 569 7135

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