BS ISO 50021:2019

This standard BS ISO 50021:2019 Energy management and energy savings. General guidelines for selecting energy savings evaluators is classified in these ICS categories:

• 27.015 Energy efficiency. Energy conservation in general

This document gives guidelines for selecting energy savings evaluators to determine ex-post (realized) energy savings for projects, organizations and regions. It gives general principles and identifies the key factors to consider. It also defines roles and responsibilities, recommends the required competence and provides key elements for assessing the knowledge and skills of energy savings evaluators.

At the project and organization level, this document is applicable to both internal and external energy savings evaluators.

Selecting evaluators who calculate predicted energy savings is out of the scope of this document.