ISO 50100:2026

Energy management systems and energy savings — Decarbonization — Requirements with guidance for use ISO 50100:2026

Publication date:   Mar 30, 2026

Scope

This document specifies requirements and provides guidance that enable an organization to reduce its energy-related greenhouse gas (GHG) emissions (ERGE).
This document is applicable:

to any organization regardless of its type, size, complexity, geographical location, organizational culture or the products and services it provides;
to energy-related Scope 1 emissions and Scope 2 emissions;
irrespective of the quantity, use or types of energy consumed.

This document requires demonstration of absolute ERGE reduction aligned with ERGE target(s).
Annex A provides information on the relationship between ISO 50001:2018 and this document.
Annex B provides information on GHG emissions and GHG emission factors.
Annex C provides guidance related to the decarbonization planning.