CSA Preface
This is the first edition of CAN/CSA-ISO 50002, Energy audits - Requirements with guidance for use, which is an adoption without modification of the identically titled ISO (International Organization for Standardization) Standard 50002 (first edition, 2014-07-01).
This Standard has been developed in compliance with Standards Council of Canada requirements for National Standards of Canada. It has been published as a National Standard of Canada by CSA Group
Introduction
The purpose of this International Standard is to define the minimum set of requirements leading to the identification of opportunities for the improvement of energy performance.
An energy audit comprises a detailed analysis of the energy performance of an organization, equipment, system(s) or process(es). It is based on appropriate measurement and observation of energy use, energy efficiency and consumption. Energy audits are planned and conducted as part of the identification and prioritization of opportunities to improve energy performance, reduce energy waste and obtain related environmental benefits. Audit outputs include information on current use and performance and they provide ranked recommendations for improvement in terms of energy performance and financial benefits.
An energy audit can support an energy review and can facilitate monitoring, measurement and analysis as described in ISO 50001, or it can be used independently.
This International Standard allows for differences in approach and in terms of scope, boundary and audit objective and seeks to harmonize common aspects of energy auditing in order to enhance clarity and transparency.
The energy audit process is presented as a simple chronological sequence, but this does not preclude repeated iterations of certain steps.
The main body of this International Standard covers the general requirements and framework common to all energy audits that can be supplemented by equivalent national audit standards. For auditing of specific types of facilities, processes or equipment, refer to the relevant international, national and local standards and guidelines, some of which are referenced in the Bibliography.
In this International Standard, the following verbal forms are used:
- shall indicates a requirement;
- should indicates a recommendation;
- may indicates a permission;
- can indicates a possibility or a capacity.
Scope
This International Standard specifies the process requirements for carrying out an energy audit in relation to energy performance. It is applicable to all types of establishments and organizations, and all forms of energy and energy use.
This International Standard specifies the principles of carrying out energy audits, requirements for the common processes during energy audits, and deliverables for energy audits.
This International Standard does not address the requirements for selection and evaluation of the competence of bodies providing energy audit services, and it does not cover the auditing of an organization's energy management system, as these are described in ISO 50003.
This International Standard also provides informative guidance on its use (see Annex A).
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