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This document gives guidance on how to apply ISO 50002-1 to carry out energy audits of a building or group of buildings (new or existing). It is intended to be used in conjunction with, and is supplementary to, ISO 50002-1.
This document does not apply to other areas such as process audits (see ISO 50002-3), specific energy systems (e.g. compressed air) or transport.
This document is applicable to buildings and can be used independently or in conjunction with ISO 50002-3
| Standard number | MS ISO 50002-2:2025 |
| Title and Sub-titles | Energy audits — Part 2: Guidance for conducting an energy audit using ISO 50002-1 in buildings |
| Status | Current |
| Replaces | MS ISO 50002:2014 |
| Replaced by | |
| Edition | 1 |
| Technical Committee | MSB/TC 10 - Energy Management |
| ICS | 27.015 |
| Publication date | 2025/11/15 |
| Corrected version | |
| Government Notice No. | 1576 of 2025 |
| Number of Pages | 21 |
| Amendments/ Corrigendums | |
| Availability | Yes |
| Note |
This document specifies:
— the principles of carrying out energy audits;
— the process requirements for carrying out an energy audit in relation to energy performance;
— the roles and responsibilities of the organization and the energy auditor;
— deliverables for energy audits.
It gives guidance on determining and/or evaluating the competence of the energy auditor.
This document is applicable to any organization regardless of its size, complexity, geographical location, organizational culture or the products and services it provides, irrespective of the quantity, use or types of energy used.
This document does not apply to selecting and evaluating the competence of bodies providing energy audit services.
It also does not apply to auditing an organization’s energy management system (EnMS), as this is described in ISO 50003.
Additional documents provide information guidance on applying the energy audit process to buildings (see ISO 50002-2), processes (see ISO 50002-3) and other applications or uses.
| Standard number | MS ISO 50002-1:2025 |
| Title and Sub-titles | Energy audits — Part 1: General requirements with guidance for use |
| Status | Current |
| Replaces | MS ISO 50002:2014 |
| Replaced by | |
| Edition | 1 |
| Technical Committee | MSB/TC 10 - Energy Management |
| ICS | 27.015 |
| Publication date | 2025/11/15 |
| Corrected version | |
| Government Notice No. | 1576 of 2025 |
| Number of Pages | 37 |
| Amendments/ Corrigendums | |
| Availability | Yes |
| Note |
This document gives guidance on how to apply ISO 50002-1 to carry out energy audits of a process. It is intended to be used in conjunction with, and is supplementary to, ISO 50002-1.
If buildings are included in the scope of the energy audit, the energy auditor can choose to apply ISO 50002-2.
| Standard number | MS ISO 50002-3:2025 |
| Title and Sub-titles | Energy audits — Part 3: Guidance for conducting an energy audit using ISO 50002-1 in processes |
| Status | Current |
| Replaces | MS ISO 50002:2014 |
| Replaced by | |
| Edition | 1 |
| Technical Committee | MSB/TC 10 - Energy Management |
| ICS | 27.015 |
| Publication date | 2025/11/15 |
| Corrected version | |
| Government Notice No. | 1576 of 2025 |
| Number of Pages | 19 |
| Amendments/ Corrigendums | |
| Availability | Yes |
| Note |
This document gives guidance on how to apply ISO 50002-1 to carry out energy audits of a process. It is intended to be used in conjunction with, and is supplementary to, ISO 50002-1.
If buildings are included in the scope of the energy audit, the energy auditor can choose to apply ISO 50002-2.
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Scope:
This document gives guidance on how to apply ISO 50002-1 to carry out energy audits of a building or group of buildings (new or existing). It is intended to be used in conjunction with, and is supplementary to, ISO 50002-1.
This document does not apply to other areas such as process audits (see ISO 50002-3), specific energy systems (e.g. compressed air) or transport.
This document is applicable to buildings and can be used independently or in conjunction with ISO 50002-3.
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This document specifies:
It gives guidance on determining and/or evaluating the competence of the energy auditor.
This document is applicable to any organization regardless of its size, complexity, geographical location, organizational culture or the products and services it provides, irrespective of the quantity, use or types of energy used.
This document does not apply to selecting and evaluating the competence of bodies providing energy audit services.
It also does not apply to auditing an organization’s energy management system (EnMS), as this is described in ISO 50003.
Additional documents provide information guidance on applying the energy audit process to buildings (see ISO 50002-2), processes (see ISO 50002-3) and other applications or uses.
]]>| Standard number | MS ISO 50005:2021 |
| Title and Sub-titles | Energy management systems — Guidelines for a phased implementation |
| Status | Current |
| Replaces | |
| Replaced by | |
| Edition | First |
| Technical Committee | MSB/TC 10 - Energy Management |
| ICS | 27.015 |
| Publication date | |
| Corrected version | |
| Government Notice No. | General Notice |
| Number of Pages | 33 |
| Amendments/ Corrigendums | |
| Availability | Yes |
| Note |
| Standard number | MS ISO 50049:2020 |
| Title and Sub-titles | Calculation methods for energy efficiency and energy consumption variations at country, region and city levels |
| Status | Current |
| Replaces | |
| Replaced by | |
| Edition | First |
| Technical Committee | MSB/TC 10 - Energy Management |
| ICS | 27.010 |
| Publication date | 2021/06/12 |
| Corrected version | |
| Government Notice No. | General Notice No.825 of 2021 |
| Number of Pages | 58 |
| Amendments/ Corrigendums | |
| Availability | Yes |
| Note |
| Standard number | MS ISO 50009:2021 |
| Title and Sub-titles | Energy management systems - Guidance for implementing a common energy management system in multiple organizations |
| Status | Current |
| Replaces | |
| Replaced by | |
| Edition | First |
| Technical Committee | MSB/TC 10 - Energy Management |
| ICS | 03.100.70;27.015 |
| Publication date | 2021/06/12 |
| Corrected version | |
| Government Notice No. | General Notice No.825 of 2021 |
| Number of Pages | 29 |
| Amendments/ Corrigendums | |
| Availability | Yes |
| Note |
| Standard number | MS ISO 50003:2021 |
| Title and Sub-titles | Energy management Systems - Requirements for bodies providing audit and certification of energy management systems |
| Status | Current |
| Replaces | |
| Replaced by | |
| Edition | Second |
| Technical Committee | MSB/TC 10 - Energy Management |
| ICS | 03.120.20;27.015 |
| Publication date | 2021/06/12 |
| Corrected version | |
| Government Notice No. | General Notice No.825 of 2021 |
| Number of Pages | 33 |
| Amendments/ Corrigendums | |
| Availability | Yes |
| Note |