Standardization of large scale hydrogen energy systems and applications including aspects of testing, certification, sustainability and placement, and coordination with other relevant standardization bodies and stakeholders.

Quick links


Published ISO standard *


ISO standards under development *

Participating members
Observing members

* number includes updates

Reference Title Type
ISO/TC 197/SC 1/AHG 1   Permanent Editing Committee Working group
ISO/TC 197/SC 1/AHG 2   H2 and high H2 content blends pipelines Working group
ISO/TC 197/SC 1/WG 1   Methodology for Determining the Greenhouse Gas Emissions Associated with the Production, Conditioning and Transport of Hydrogen to Consumption Gate Working group
ISO/TC 197/SC 1/WG 2   Aerial vehicle liquid hydrogen fuel storage system Working group
Liaison Committees to ISO/TC 197/SC 1

The committees below can access the documents of ISO/TC 197/SC 1:

Reference Title ISO/IEC
ISO/TC 8/SC 2 Marine environment protection ISO
ISO/TC 67 Oil and gas industries including lower carbon energy ISO
ISO/TC 109 Oil and gas burners ISO
ISO/TC 161 Controls and protective devices for gaseous and liquid fuels ISO


Liaison Committees from ISO/TC 197/SC 1

ISO/TC 197/SC 1 can access the documents of the committees below:

Reference Title ISO/IEC
IEC/SC 31J Classification of hazardous areas and installation requirements IEC
IEC/TC 9 Electrical equipment and systems for railways IEC
ISO/TC 8/SC 2 Marine environment protection ISO
ISO/TC 67/SC 9 Production, transport and storage facilities for cryogenic liquefied gases ISO
ISO/TC 161 Controls and protective devices for gaseous and liquid fuels ISO
ISO/TC 207 Environmental management ISO
ISO/TC 207/SC 7 Greenhouse gas and climate change management and related activities ISO
ISO/TC 269 Railway applications ISO


Organizations in liaison (Category A and B)
Acronym Title Category
EC - European Commission European Commission A
EIGA European Industrial Gases Association A
Hydrogen Council Hydrogen Council A
IECEx IECEx IEC System for Certification to Standards Relating to Equipment for Use in Explosive Atmospheres A
IPHE International Partnership for Hydrogen and Fuel Cells in the Economy B
IRENA International Renewable Energy Agency B
UNIDO United Nations Industrial Development Organization B

Organizations in liaison (Category C)

C liaisons participate at the level of a Working Group

Acronym Title Category
ECOS (Environment) Environmental Coalition on Standards C

ISO/TC 197/SC 1 - Secretariat

SCC [Canada]

Canadian Standards Association
178 Rexdale Boulevard
Toronto M9W 1R3 ON

Tel: + 416 747 2470