Standards / Energy Management
ISO 50001:2018/Amd 1:2024
Energy Management Systems
A complete reference to the standard, plus the ISTO Test of Understanding and downloadable syllabus. The internationally recognized framework for energy management, helping organizations use energy more efficiently, cut costs, and continually improve their energy performance.
180+
countries using ISO 50001
60%
of global energy use in scope of energy management
#3
fastest-growing management standard
1. About ISO 50001
ISO 50001 is the internationally recognized standard for energy management systems (EnMS). It is based on the management system model of continual improvement also used for other well-known standards such as ISO 9001 or ISO 14001. This makes it easier for organizations to integrate energy management into their overall efforts to improve quality and environmental management. ISO 50001 enables organizations to develop a policy for more efficient use of energy, fix targets and objectives to meet that policy, use data to better understand and make decisions about energy use, measure the results, review how well the policy works, and continually improve energy management.
Designed to work for organizations of any size or sector, ISO 50001 integrates readily with other management system standards through the shared Annex SL high-level structure. The 2018 edition, with Amendment 1:2024 adding climate-change considerations, gives organizations a practical framework to reduce energy consumption, lower greenhouse-gas emissions, and turn energy performance into a source of measurable, ongoing savings.
Why is ISO 50001 important?
Business benefits include:
Energy cost savings
By developing a policy for more efficient use of energy and acting on the data it generates, organizations reduce consumption and lower one of their most significant operating costs.
Data-driven decisions
ISO 50001 helps organizations use data to better understand their energy use, fix targets and objectives, and make informed decisions about where to improve.
Reduced emissions
More efficient energy use directly lowers greenhouse-gas emissions, supporting decarbonization goals and demonstrating environmental responsibility to stakeholders.
Continual improvement
Regular measurement and review encouraged by ISO 50001 enable organizations to review how well the policy works and continually improve their energy management over time.
ISO 50001 now reflects climate change
ISO 50001:2018/Amd 1:2024 added climate-change considerations to the standard's requirements. Our syllabus already tracks the amended requirements. Get ahead of the change.
2. ISTO Test of Understanding on ISO 50001:2018/Amd 1:2024
This test is developed for ISO management system standards ("MSS") professionals such as middle and senior management personnel, responsible persons (as defined under clause 5.3), internal auditors, third party certification body auditors and advisors/consultants who are instrumental in the effectiveness of the MSS implementation. It is a multiple choice test designed with three outcomes:
- Certifying the candidate on their understanding of the respective standard
- Measuring the level of understanding in the eight (8) A·C·C·U·R·A·T·E Analysis domains
- Ranking a candidate's performance in a personalised analytics report
What candidates receive
Certificate of Achievement
Verifiable proof of understanding, with a unique URL.
Click to enlarge ↗
Personalised analytics report
Includes your A·C·C·U·R·A·T·E analysis across eight domains and your percentile ranking against the test population.
Click to enlarge ↗
More than just understanding
An ISTO Test focuses not only on understanding the requirements of a standard but is also designed to ensure that those who pass the test have demonstrated a knowledge of the underlying management system principles, definitions, applicability, distinguishing requirements from unspecified requirements and the standard's practical implementation.
Credibility
Employers of ISO 50001 auditors/consultants/tutors would find the ISTO TOU qualification a good benchmark in their selection process, as the ISTO TOU adds value to employees' overall performance excellence and consistency. A course tutor with an ISTO TOU credential is able to offer learners a more accurate and complete presentation of the standard.
3. Structure of the Test of Understanding
The ISTO TOU consists of multiple choice questions with four (4) possible options of which only one (1) represents the 'best' option. The ISTO TOU is a Restricted-open-book online test, however candidates are allowed to refer to an unmarked copy of the respective ISO standard which is the only permitted reference material during the test. In an online test, the standard copy will be provided in a separate window, in addition to the test window.
Four options, one best
Each question has a single best answer.
Restricted-open-book, online
Taken on the ISTO test portal.
Standard in a side window
Refer to an unmarked copy of ISO 50001, the only permitted reference.
1) Which clause of ISO 50001 specifies requirements for energy performance indicators (EnPIs) and energy baselines (EnB)?
Question Panel
Difference between Level 1 Test and Level 2 Test
The Level 1 test assesses a candidate's understanding of the basic principles and requirements of an ISO management system standard (MSS). The Level 2 is a comprehensive test that covers principles, requirements, and the implementation in various scenarios and business sectors.
| Level 1 — Practitioner | Level 2 — Professional | |
|---|---|---|
| Time allowed | 120 minutes | 180 minutes |
| No. of questions | 80 | 120 |
| Pass criteriaCandidates who meet the Pass criteria will be awarded a Certificate of Achievement | 60% | 70% |
| Distinction criteriaCandidates who meet the Distinction criteria will be awarded a Certificate of Achievement with Distinction | 80% | 85% |
| A·C·C·U·R·A·T·E AnalysisAll candidates will receive a report indicating their level of understanding and relative ranking in each of the eight (8) domains in the star diagram | ✓ Report included | ✓ Report included |
Test Sections Breakdown
How the questions are distributed across each level.
SECTION 1
20 questions
Principles and definitions, applicability, clause 4.3
SECTION 2
30 questions
Management system requirements based on clauses 4, 5, 6, 9 and 10 (except clause 4.3)
SECTION 3
30 questions
Operational requirements based on clauses 7 and 8
SECTION 1
30 questions
Principles and definitions, applicability, clause 4.3
SECTION 2
30 questions
Management system requirements based on clauses 4, 5, 6, 9 and 10 (except clause 4.3)
SECTION 3
30 questions
Operational requirements based on clauses 7 and 8
SECTION 4
30 questions
Six (6) scenarios with five (5) questions each focusing on practical aspects
4. A·C·C·U·R·A·T·E Analysis
Based on ISTO's research and endorsed by the ISTO Technical Advisory Board, the level of comprehension of an ISO management system standard can be grouped into eight (8) domains of understanding.
- Acan Actual requirement in the standard related to documentation.
- CoConcept - the management principles on which the management system standard is based. This includes the sequence of activities as required in the standard.
- Cthe unique Clause reference of a specific requirement in the ISO management system standard.
- Uan Unspecified requirement in the standard (a requirement that does not exist).
- Ra certain Requirement in the Standard (i.e. the text of the requirement).
- Athe Applicability of the standard. This includes the intent of a requirement, and the scope of the standard.
- TTerms and definitions used in the standard. Generally these are defined in Clause 3 of each ISO management system standard. In the case of ISO 9001 QMS, terms and definitions are defined in the ISO 9000 standard.
- Ean Erroneous requirement in the standard related to documentation.
5. Test Description and Syllabus
Two levels, available in English and Traditional Chinese. Select a document to download.
Level 1 — Practitioner
Level 2 — Professional
6. Test Language Availability
ISO 50001:2018/Amd 1:2024
Energy Management Systems
English
English
English, Español, Français, Portuguese, 中文 (HK), 中文 (PRC), 中文 (TW)