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IEA TCP TASK 43 : Recommendations for Safety Distances Methodology for Alkaline and PEM Electrolyzers

Vyazmina, Elena ; Chang, Richard ; Truchot, Benjamin ; Groth, Katrina ; Wismer, Samantha ; Quesnel, Sebasitan ; Torrado Beltran, David ; Hart, Nick ; Jordan, Thomas and Ramsey-Idem, Karen , et al. (2025) In Hydrogen Safety 2(1). p.47-67
Abstract (Swedish)
Currently, local regulations governing hydrogen installations vary by geographical region and by country, leading to discrepancies in safety and separation distance requirements for similar hydrogen systems. This work carried out in the frame of IEA TCP H2 Task 43 (IEA TCP H2 2022) aims to provide an overview of various methodologies and recommendations established for risk management and consequence assessment in the event of accidental scenarios. It focuses on a case study involving industrial electrolyzers utilizing alkaline and PEM technologies. The research incorporates lessons learned from past incidents, offers recommendations for mitigation measures, reviews existing methodologies, and highlights areas of divergence. Additionally,... (More)
Currently, local regulations governing hydrogen installations vary by geographical region and by country, leading to discrepancies in safety and separation distance requirements for similar hydrogen systems. This work carried out in the frame of IEA TCP H2 Task 43 (IEA TCP H2 2022) aims to provide an overview of various methodologies and recommendations established for risk management and consequence assessment in the event of accidental scenarios. It focuses on a case study involving industrial electrolyzers utilizing alkaline and PEM technologies. The research incorporates lessons learned from past incidents, offers recommendations for mitigation measures, reviews existing methodologies, and highlights areas of divergence. Additionally, it proposes strategies for harmonization. The study also emphasizes the most significant scenarios and the corresponding leakage sizes. (Less)
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organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Harmonization, Safety distance, Electrolyser, Hydrogen safety, RCS
in
Hydrogen Safety
volume
2
issue
1
pages
47 - 67
publisher
KIT Scientific Publishing
ISSN
2943-5935
DOI
10.58895/hysafe.18
language
English
LU publication?
yes
id
93388f46-d9c2-4ad4-8035-8a4ef4ad6973
date added to LUP
2025-10-07 17:23:11
date last changed
2025-10-09 11:25:16
@article{93388f46-d9c2-4ad4-8035-8a4ef4ad6973,
  abstract     = {{Currently, local regulations governing hydrogen installations vary by geographical region and by country, leading to discrepancies in safety and separation distance requirements for similar hydrogen systems. This work carried out in the frame of IEA TCP H2 Task 43 (IEA TCP H2 2022) aims to provide an overview of various methodologies and recommendations established for risk management and consequence assessment in the event of accidental scenarios. It focuses on a case study involving industrial electrolyzers utilizing alkaline and PEM technologies. The research incorporates lessons learned from past incidents, offers recommendations for mitigation measures, reviews existing methodologies, and highlights areas of divergence. Additionally, it proposes strategies for harmonization. The study also emphasizes the most significant scenarios and the corresponding leakage sizes.}},
  author       = {{Vyazmina, Elena and Chang, Richard and Truchot, Benjamin and Groth, Katrina and Wismer, Samantha and Quesnel, Sebasitan and Torrado Beltran, David and Hart, Nick and Jordan, Thomas and Ramsey-Idem, Karen and Houssin, Deborah and Jallais, Simon and Bernard, Christoph and Bouchet, Lucie and Ariel Perez, Ricardo and Phillips, Lee and Runefors, Marcus and Hocquet, Jerome and Tchouvelev, Andrei}},
  issn         = {{2943-5935}},
  keywords     = {{Harmonization; Safety distance; Electrolyser; Hydrogen safety; RCS}},
  language     = {{eng}},
  month        = {{09}},
  number       = {{1}},
  pages        = {{47--67}},
  publisher    = {{KIT Scientific Publishing}},
  series       = {{Hydrogen Safety}},
  title        = {{IEA TCP TASK 43 : Recommendations for Safety Distances Methodology for Alkaline and PEM Electrolyzers}},
  url          = {{http://dx.doi.org/10.58895/hysafe.18}},
  doi          = {{10.58895/hysafe.18}},
  volume       = {{2}},
  year         = {{2025}},
}