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Pipeline Safety Trust

Credible. Independent. In the public interest.

Credible. Independent. In the public interest.
Credible. Independent. In the public interest.
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Hydrogen Pipelines: Unique Risks Prove Dangerous for Pipeline Transportation

Hydrogen Energy Storage Gas Tank In Meadow Environment.
Image by vanitjan on Freepik

Report: Safety of Hydrogen Transportation by Gas Pipelines

Summary for Policymakers (Good place to start)

Full Report on Hydrogen Pipelines

Press Release on Hydrogen Pipelines

Background Information

  • The 2021 Infrastructure Investment and Jobs Act appropriated $9.5 billion for clean hydrogen and the 2022 Inflation Reduction Act (IRA) laid additional beneficial policies and incentives for the US hydrogen industry to take center stage in the clean energy transition
  • Transporting hydrogen through pipelines is more dangerous than transporting methane through pipelines
  • There are serious concerns about the pursuit of hydrogen blending options for existing gas transmission or gas distribution pipelines. Hydrogen blending in most U.S. existing gas pipeline systems may not prove viable. Natural gas blends with higher hydrogen percentages can leak at higher rates compared to methane
  • Hydrogen has a greater propensity to leak than methane 
  • Hydrogen Is an indirect greenhouse gas with 33 times the warming power of carbon dioxide in the first 20 years
  • Hydrogen causes pipeline embrittlement, increasing probability of failure

Further Resources

UC Riverside Blending Report

EDF Study: Climate Consequences of Hydrogen Emissions

Canadian standards organization CSA statement on hydrogen blending

Industry Engagement

Letter from AGA and APGA on Accufacts Inc. Report

PST response to AGA and APGA letter

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