ISO 50002-1:2025

Energy audits — Part 1: General requirements with guidance for use

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.

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