Lead Auditor
ISO 50001 Lead Auditor
2026 edition
Self-paced PECB training delivered via myPECB.
Global training partner Aegentra is an official PECB authorised training partner and an official CompTIA partner.
Master the audit of an energy management system against ISO 50001. Five days from the fundamentals of energy management and the ISO 50001 requirements, through audit principles — evidence-based auditing — into initiating an audit, Stage 1 and Stage 2 on-site activities, drafting findings and nonconformity reports, closing the audit, and managing an audit programme. Aligned with the ISO 19011 audit guidelines and ISO/IEC 17021-1 certification requirements, and structured around PECB best auditing practices.
- Typical study effort
- 35–45 hours
- CPD credits
- 31
- Course languages
- English
Who it is for
- Auditors seeking to perform and lead energy management system (EnMS) certification audits
- Managers or consultants seeking to master an EnMS audit process
- Individuals responsible for maintaining conformance with energy management system requirements
- Technical experts seeking to prepare for an EnMS audit
- Expert advisors in energy management
What you will learn
- Understand the operations of an energy management system based on ISO 50001.
- Acknowledge the correlation between ISO 50001 and other standards and regulatory frameworks.
- Understand an auditor’s role to plan, lead, and follow up on a management system audit in accordance with ISO 19011.
- Lead an audit and an audit team.
- Interpret the requirements of ISO 50001 in the context of an EnMS audit, and acquire the competencies to plan an audit, draft reports, and follow up on an audit in compliance with ISO 19011.
Course content
Day 1 — Introduction to energy management systems (EnMS) and ISO 50001
- Course objectives and structure
- Standards and regulatory frameworks
- Certification process
- Fundamental principles of energy management
- The energy management system (EnMS)
Day 2 — Audit principles, preparation, and launching of an audit
- Fundamental audit concepts and principles
- Evidence-based audit approach
- Initiating the audit
- Stage 1 audit
- Preparing the Stage 2 audit (on-site audit)
- Stage 2 audit (Part 1)
Day 3 — On-site audit activities
- Stage 2 audit (Part 2)
- Communication during the audit
- Audit procedures
- Creating audit test plans
- Drafting audit findings and nonconformity reports
Day 4 — Closing the audit
- Documentation of the audit and audit quality review
- Closing the audit
- Evaluating action plans by the auditor
- Benefits of the initial audit
- Managing an internal audit programme
- Competence and evaluation of auditors
Day 5 — Certification exam
- PECB Certified ISO 50001 Lead Auditor exam
- Three hours across the seven competency domains
Prerequisites
- A fundamental understanding of ISO 50001 and comprehensive knowledge of audit principles — PECB’s published prerequisite for this course.
- Prior completion of ISO 50001 Foundation or another management system audit course helps, though it is not mandatory.
The exam
- Format
- Open-book, essay-type questions — written answers, not multiple choice
- Duration
- 3 hours
- Questions
- 12 essay-type questions worth 75 points in total, across 7 competency domains — fundamental principles and concepts of an energy management system (1 question, 5 points), the energy management system itself (1 question, 5 points), fundamental audit concepts and principles (2 questions, 10 points), preparing an ISO 50001 audit (2 questions, 15 points), conducting an ISO 50001 audit (4 questions, 25 points — the heaviest domain, a third of the paper), closing an ISO 50001 audit (1 question, 10 points), and managing an ISO 50001 audit programme (1 question, 5 points)
- Pass mark
- 70%
What is included
Course materials
- PECB ISO 50001 Lead Auditor slide deck (digital)
- Over 450 pages of information, practical examples, exercises, and quizzes
- 12 months access via myPECB
- Attestation of course completion worth 31 CPD credits
Exam package
- Certification and examination fees included in the course price
- Three-hour exam across seven competency domains
- First exam attempt plus one free retake within 12 months
- PECB Provisional / Auditor / Lead Auditor credential on pass