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Clean Hydrogen Partnership
Co-Funded by EU
Clean Hydrogen Partnership
Co-Funded by EU
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Regulatory Frameworks

Understanding the regulatory environment is essential for the safe and effective deployment of hydrogen technologies across the entire value chain.

For up-to-date details on national and European frameworks, users are encouraged to consult the European Hydrogen Observatory (EHO) Policies and Standards repository. The EHO filtering tool enables users to search, filter, and compare hydrogen policies, regulations, and standardisation initiatives by country, topic, and application.

The European Hydrogen Observatory is maintained by the Clean Hydrogen Joint Undertaking as the official knowledge and data portal for the European hydrogen sector.

Access the EHO Policies and Standards tool here
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1. European Union Regulations and Directives
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Regulation (EU) 2023/1804 (Alternative Fuels Infrastructure Regulation - AFIR):

Establishes requirements for hydrogen refueling stations along the TEN-T network and urban areas, mandating safety protocols and interoperability standards.

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Directive 2012/18/EU (Seveso III Directive):

Applies to hydrogen storage facilities exceeding 5 tonnes, requiring quantitative risk assessment (QRA), safety management systems (SMS), and emergency response plans.

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Directive 2014/34/EU (ATEX 114):

Regulates equipment and protective systems in explosive atmospheres, ensuring compliance for hydrogen-related industrial facilities.

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Directive 1999/92/EC (ATEX 137):

Establishes workplace safety requirements in hydrogen-rich environments, defining hazardous zones for production, storage, and refueling sites.

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Directive 2008/68/EC on Inland Transport of Dangerous Goods:

Aligns ADR (road transport), RID (rail transport), and ADN (inland waterways transport) regulations for hydrogen transportation.

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REGULATION (EU) 2019/2144 OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 27 November 2019 :
Defines hydrogen fuel purity standards for fuel cell vehicles, aligning with ISO 14687.
2. European Standards (CEN, CENELEC, ISO/EN)
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EN 13694:
Fire safety requirements for hydrogen production and storage infrastructure.
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EN 17124:2022:
Specifies hydrogen fuel quality requirements for fuel cell electric vehicles (FCEVs).
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EN 17127:2020:
Safety and performance requirements for hydrogen refueling stations.
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EN 17339:2020:
Defines pressure relief devices and overpressure protection for compressed hydrogen storage.
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EN 18027:2023:
Covers liquid hydrogen (LH₂) refueling station safety protocols.
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ISO 19880-1 (adopted as EN 19880-1:2020):

General safety requirements for gaseous hydrogen refueling stations, including risk management, pressure containment, and emergency procedures.

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ISO/TR 15916 (adopted as EN ISO 15916:2015):
Fundamental safety guidelines for hydrogen handling and use.
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ISO 26142 (EN ISO 26142:2010):
Specifies hydrogen leak detection apparatus for industrial and transportation applications.
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ISO 11114-4 (EN ISO 11114-4:2017):
Material compatibility testing for hydrogen embrittlement resistance in pipes, tanks, and fittings.
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EN 10294-2:
Defines material properties and safety specifications for hydrogen pressure vessels.
3. Hydrogen Infrastructure and Building Codes
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EN 746-3:2010:
Safety requirements for industrial hydrogen furnaces and combustion systems.
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EN 60079-10-1:2021:
Classification of hazardous areas related to hydrogen storage and handling.
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CEN/CLC/TR 17797:2022:
Technical report on hydrogen supply infrastructure and risk mitigation strategies.
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EN 13445-10:
Safety requirements for unfired pressure vessels in hydrogen applications.