Hydrogen Codes and Standards

International Hydrogen Codes and Standards

As the global community seeks sustainable and clean energy solutions, hydrogen is emerging as a promising alternative fuel. Its potential to power our homes, industries, and transportation systems with reduced environmental impact is generating significant interest. However, the adoption of hydrogen technology requires a clear understanding of the international codes, standards, guidelines, and practices that govern its safe and efficient use.

Understanding Hydrogen Codes and Standards

International hydrogen codes and standards are developed to ensure the safe production, storage, transportation, and utilization of hydrogen. These regulations are crafted by international bodies such as the International Organization for Standardization (ISO) and the International Electrotechnical Commission (IEC), alongside contributions from industry experts and national regulatory agencies.

Key H2 Guidelines and Practices

Adhering to these guidelines is crucial for maintaining safety and efficiency in hydrogen operations. Key practices include:

  • Risk Assessment: Conducting thorough risk assessments to identify potential hazards associated with hydrogen systems.
  • Material Compatibility: Ensuring materials used in the construction of hydrogen infrastructure are compatible and can withstand the specific properties of hydrogen.
  • Leak Detection: Implementing advanced leak detection systems to quickly identify and address hydrogen leaks.
  • Emergency Planning: Developing comprehensive emergency response plans to mitigate the effects of any incidents.

List of International Hydrogen Codes

Here is a list of international hydrogen codes to guide its safe and efficient use.

List of hydrogen codes and standards

52 Hydrogen Codes, Standards, Guidelines and Practices for your reference

🟦 A- Hydrogen Generation Codes and Guidelines

1- ISO 22734: Hydrogen generators (electrolyser)
2- ISO 16110: Hydrogen generators using fuel processing
3- CGA H-10: Combustion safety for steam reformer
4- ISO 15649: Industries Piping
5- EIGA DOC 246: Small-Scale Hydrogen Production
6- EIGA DOC 211: Hydrogen Vent Systems
7- EIGA DOC 210:Hydrogen PSA Mechanical Integrity
8- EIGA DOC 185: Steam Reformers
9- EIGA DOC 155: Hydrogen Production by SMR
10- EIGA DOC 15: Gaseous Hydrogen Installations

🟦 B- Hydrogen storage and transport Codes and Guidelines

11- ASME Section VIII
12- ASME Section VIII: Division 3, Article KD-10
13- ISO 9809: Gas cylinders – Steel
14- ISO 7866: Gas cylinders – Aluminium
15- ISO 13985: Liquid h2 fuel tanks
16- ASME B31.12: Hydrogen Piping and Pipeline
17- EIGA Doc 12: Hydrogen Pipeline
18- ISO 16111: Reversible metal hydride h2 storage
19- ASME B31.3 Process Piping
20- ASME STP/PT-005: High-pressure composite h2 tanks
21- CGA H-3: Cryogenic Hydrogen Storage
22- CGA G-5: Hydrogen
23- EIGA TB 42: Welded Vessels and Hydrogen Compatibility
24- EIGA DOC 247: Hydrogen Distribution-Storage
25- EIGA DOC 235: Gas Pipeline Integrity
26- EIGA DOC 171: Underground Storage of Hydrogen
27- EIGA DOC 10207: Safety Audit / Assessment Tool – h2 Compression, Purification and Cylinder Filling
28- EIGA DOC 100: Hydrogen Cylinders and Vessels

🟦 C- Hydrogen Compressors, Pumps and Turbines Codes and Standards

29- API STD 618: Reciprocating Compressors
30- API Standard 617: Axial and Centrifugal Compressors and Expander-compressors
31- API STD 692: Dry Gas Sealing Systems for Axial, Centrifugal, and Rotary Screw Compressors and Expanders
32- EIGA DOC 244: Reciprocating Cryogenic Pumps for Hydrogen and LNG

🟦 D- Hydrogen fuel cells/ refueling Codes and Standards

33- IEC 62282-3-100: Fuel cell – Safety
34- IEC 62282-3-300: Fuel cell – Installation
35- DIN EN 17124: Hydrogen fuel – product specification and quality assurance for h2 PEM fuel cell
36- CSA/ANSI HGV 4.10: Standard For Fittings In Compressed Gaseous Hydrogen Fueling Stations
37- SAE J2719: Hydrogen Fuel Quality for Fuel Cell Vehicles
38- ISO 19880 series
39- ISO 17268: Hydrogen refuelling
40- SAE J2601: Fueling for Gaseous Hydrogen
41- ISO 13984: Liquid hydrogen fuelling
42- ISO 14687: Hydrogen fuel quality
43- EIGA TB 43: Secondary Identification of H2 Vehicle at Dispenser

🟦 E- Hydrogen safety Codes and Standards

44- ISO 26142: Hydrogen detection apparatus
Stationary applications
45- EIGA Doc 06: Safety in storage, Handling and distribution of liquid hydrogen
46- ISO/TR 15916: Safety of hydrogen systems
47- OSHA 1910.103 Hydrogen
48- NFPA 2 Hydrogen Technologies Code
49- NFPA 55: Compressed Gases and Cryogenic
51- IEC 60079-10-1: Explosive gas atmospheres
52- EIGA DOC 6: Safety in Storage, Handling and Distribution of Liquid Hydrogen

Acknowledgement for compiling and sharing the list: PV Chakrapani, Bangalore, India

Embracing the Benefits of Hydrogen

By following international codes and standards, we can harness the benefits of hydrogen as a clean energy source while ensuring safety and productivity. These practices not only protect workers and the public but also instill confidence in the technology, accelerating its integration into our energy systems.


Hydrogen holds the key to a greener future, and with diligent application of international codes and standards, its full potential can be realized. As alternative fuel enthusiasts and professionals, staying informed and compliant with these guidelines will lead to optimized and lean operations that benefit everyone.


Here are four relevant links to more information on Hydrogen Codes and Standards:

  1. Regulations, Guidelines, and Codes and Standards from the U.S. Department of Energy: Regulations, Guidelines, and Codes and Standards
  2. Codes and Standards from the DOE Hydrogen Program: Codes and Standards | Hydrogen Program
  3. Safety, Codes and Standards from the U.S. Department of Energy: Safety, Codes and Standards | Department of Energy
  4. Hydrogen Fuel Cell Codes & Standards: Codes and Standards | Hydrogen Tools
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