③@IRENAA Quality InfrastructureRoadmap for greenhydrogen4060e1barIn partnership with:Physikalisch-Technische BundesanstaltBraunschweig und BerlinNational Metrology Institute©IRENA2024Unless otherwise stated,material in this publication may be freely used,shared,copied,reproduced,printed and/or stored,provided that appropriateacknowledgement is given of IRENA as the source and copyright holder.Material in this publication that is attributed to third parties may be subject toseparate terms of use and restrictions,and appropriate permissions from these third parties may need to be secured before any use of such material.1SBW978-92-9260-639-8Citation:IRENA (2024).A quality infrastructure roadmap for green hydrogen,International Renewable Energy Agency.Abu Dhabi.About IRENAThe International Renewable Energy Agency (IRENA)serves as the principal platform for international co-operation;a centre of excellence;a repositoryof policy.technology.resource,and financial knowledge;and a driver of action on the ground to advance the transformation of the global energysystem.A global intergovemmental organisation established in 2011.IRENA promotes the widespread adoption and sustainable use of all forms ofrenewable energy,including bioenergy and geothermal,hydropower,ocean,solar and wind energy.in the pursuit of sustainable development,energyaccess,energy security,and low-carbon economic growth and prosperity.www.irena.orgAbout Physikalisch-Technische Bundesanstalt (PTB)Physikalisch-Technische Bundesanstalt (PTB)is the National Metrology Institute of Germany.PTB performs research in the field of metrology for thebenefit of society.trade and industry.and the sciences,and advises the German federal govemment on all metrology issues.Internationally.PTBsupports developing and emerging countries in the development and use of a needs-based and internationally recognised quality infrastructureAcknowledgementsThis report was authored by Jaidev Dhavle (IRENA).Arno van den Bos (IRENA)and Niels Ferdinand (Ferdinand Consultants)under the guidance ofFrancisco Boshell (IRENA)and Roland Roesch (Director,IRENA Innovation and Technology Centre).This publication,which is an output from the IRENA-PTB project "Quality Infrastructure for Green Hydrogen:technical standards and quality controlfor the production and trade of renewable hydrogen",benefitted from invaluable inputs and support from:Gayathri Prakash (IRENA).James Walker(IRENA).Francesco Pasemini (ex-IRENA).Jeffrey Tchouambe (ex-IRENA),Carl Felix Wolff (PTB):Ulf Seiler (PTB):Iris Nadolny (ex-PTB):Jana Bante(BMZ):Andrea Ulrich (ex-BMZ):and Maria Llaurado (Ferdinand Consultants).For the development of the complementary Tunisia Case Study gratitude is extended to the following colleagues:Franziska Schindler (PTB):AmelSamti (PTB):Ourida Chalwati (Tunisia Ministry of Mines and Industry):Balkis Jrad (Tunisia Ministry of Mines and Industry):Amal Turky (Tunisia Ministryof Mines and Industry):and Nada Elachaal (Tunisia Ministry of Mines and Industry).The report also benefited from contributions and review by the following IRENA colleagues:Paul Komor:Zafar Samadov:Abdullah Fahad:andEmmanuele Bianco (ex-IRENA)Valuable external review.inputs and comments were provided by:Andrei Tchouvelev(Hydrogen Council):Martins Thedens(IEC):Chris Agius (IEC):Maria Sandqvist (ISO):Mortiz Ackermann (PTB).Berts Anders (PTB):Detlev Markus (PTB):Michael Beyer (PTB):Mortiz Ackermann (PTB):ChristianGonther (PTB):Mario Antonio Sandoval (UNIDO):Lydia Vogt (DIN):Florian Konert (Bundesanstalt for Materialforschung und profung):Milos B Djukic(University of Belgrade);Oscar Pearce (Ammonia Energy Association):Victoria Monsma (DNVGL):Annarita Baldan (EURAMET);Lutz Schaefer (BMZ):Maria Varbeva-Daley (UKAS):Abbey Dorian (British Standards Institute):Ben Rowton (National Physical Laboratory):and Gareth Hinds (NationalPhysical Laboratory)IRENA appreciates the inputs and comments provided by the participants who attended the Quality Infrastructure Symposium that was organisedduring IRENA's Innovation Week 2023.IRENA is grateful for the generous support provided by Germany's Federal Ministry of Economic Cooperation and Development.Federal Ministrynd DevelopmentPublications and editorial support were provided by Francis Field and Stephanie Clarke.Technical review was conducted by Paul Komor.The report wasedited by Fayre Makeig.with design provided by Strategic Agenda.DisclaimerThis publication and the material herein are provided "as is".All reasonable precautions have been taken by IRENA to verify the reliability of thematerial in this publication.However,neither IRENA nor any of its officials,agents,data,or other third-party content providers provides a warranty ofany kind,either expressed or implied,and they accept no responsibility or liability for any consequence of use of the publication or material herein.The information contained herein does not necessarily represent the views of all Members of IRENA.The mention of specific companies or certainprojects or products does not imply that they are endorsed or recommended by IRENA in preference to others of a similar nature that are notmentioned.The designations employed and the presentation of material herein do not imply the expression of any opinion on the part of IRENAconcerning the legal status of any region,country.territory.city.or area or of its authorities,or concerning the delimitation of frontiers or boundaries.