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SR EN ISO 50001:2018 specifies requirements for the establishment, implementation, maintenance and improvement of an energy management system (EnMS). The purpose is to create the possibility for an organization to follow a systematic approach in order to obtain the continual improvement of the energy performance, including the energy efficiency, the manner of the energy use and the energy consumption. The standard is applicable to any organization, regardless of type and size, geographical location, cultural or social aspects.
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ISO 50001 is the standard that specifies the requirements for establishing, implementing, maintaining, and improving an energy management system. The current edition, ISO 50001:2018 (SR EN ISO 50001:2019), provides a framework through which an organization takes a systematic approach to the continuous improvement of energy performance—including energy efficiency, energy use, and energy consumption. The standard applies to any organization, regardless of size, industry, or the type of energy used.
An Energy Management System (EnMS) is the framework through which an organization controls and improves the way it uses energy. It involves collecting and analyzing consumption data, identifying areas with potential for savings, and implementing concrete measures to increase energy efficiency. Unlike a one-time intervention, an ISO 50001 EnMS transforms energy management into a continuous, data- and fact-based process.
ISO 50001 introduces several specific concepts that distinguish it from other management standards. The energy baseline (EnB) is a quantitative reference used to compare energy performance over a specific period. Energy Performance Indicators (EnPI) enable the measurement and monitoring of results, taking into account, as appropriate, relevant variables such as production volume, climatic conditions, or equipment utilization rates, and must be comparable to the Energy Baseline. In addition, energy analysis and the identification of Significant Energy Uses (SEU) are conducted. Together, these elements enable the organization to objectively demonstrate continuous improvement in energy performance, monitor consumption, and identify opportunities to optimize energy costs.
One of the most important practical benefits of ISO 50001 certification is its direct link to legal obligations regarding energy efficiency. In Romania, Law 121/2014 on energy efficiency stipulates that large energy consumers must conduct periodic energy audits—with the exception of organizations that implement and maintain a certified energy management system.
At the European level, Directive 2023/1791 on energy efficiency reinforces these requirements based on the average annual energy consumption over the past three years: companies with an annual consumption of more than 85 TJ must implement an energy management system certified by an independent body in accordance with relevant European or international standards (e.g., ISO 50001), while those with an annual consumption exceeding 10 TJ that do not implement an energy management system are subject to an energy audit. Thus, for a growing number of organizations, ISO 50001 certification is becoming an effective way to meet regulatory requirements.
The current edition of the standard is ISO 50001:2018, adopted in Romania as SR EN ISO 50001:2019. This version places greater emphasis on the continuous improvement of energy performance, management commitment, and the integration of energy management into the organization’s strategic direction through a risk- and opportunity-based approach. In February 2024, an amendment regarding climate change (ISO 50001:2018/Amd 1:2024) was added to the standard, requiring organizations to assess whether climate change is relevant to their context. Certificates issued in accordance with ISO 50001:2018 remain valid and internationally recognized.
ISO 50001 certification offers concrete advantages:
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The ISO 50001 certification process involves auditing the energy management system against the requirements of the standard.
The price of ISO 50001 certification depends on the size of the organization, its energy consumption and complexity, the number of locations, and the scope of certification. To find out the exact price for ISO 50001 certification, the best option is to request a customized quote.
SRAC is accredited by RENAR—the national accreditation body (certificate no. SM 004) – to certify energy management systems in accordance with the reference standard SR EN ISO 50001:2019. In addition, the SRAC certificate is internationally recognized due to RENAR’s status as a signatory to the international IAF-MLA agreement and its partnership with IQNET. As a result, certified organizations receive, at no additional cost, both the SRAC certificate and the IQNET certificate, and are entitled to use the marks of conformity for promotional purposes.
Join the leading companies and institutions in Romania that have chosen the SRAC mark: over 10,000 certified organizations / over 25,000 certificates issued in 30 years. From top brands to major public institutions, leading companies have chosen our services.
ISO 50001 is intended for any organization that wishes to control its energy consumption and reduce its costs, regardless of size or industry. It is particularly relevant for large energy consumers—industrial manufacturing (steel, aluminum, chemicals), energy producers, shopping centers and large hotels, logistics companies with vehicle fleets—as well as for any organization that wants to meet regulatory requirements regarding energy efficiency or avoid a mandatory energy audit.
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