Safety requirements related to the end-user equipment

This LAP is concerned with the safety requirements (and design and operational aspects) for commercial and domestic end-user equipment operating with hydrogen gas blends resulting from hydrogen injected and transmitted in the gas grid at the TSO level


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Is there any legislation with regard to safety requirements related to end-user equipment (e.g.: limits in terms of H2 for use in gas appliances)? If yes, please answer the following question.
	Yes
Changes to gas supply composition may have implications for the design of gas appliances (safety) and the relevant legislation. What are the implications you expect with regard to the possible concentrations of hydrogen in the H2NG blend?
	The maximum concentration of hydrogen in the natural gas grid is 1 %. That is acceptable for all the clients.
For which end user applications do you foresee the main consequences and at which level? Could you please provide references to underpin your opinion?

Changes to gas supply composition may have implications for CNG compression, storage, and use in CNG vehicles. What are the additional safety precautions needed? Could you please provide references to underpin your opinion

Is it a barrier?	Yes
Type of Barrier	Structural barriers, Operational barriers, Regulatory gap
Assessment Severity	2
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National Legislation	New Gas Appliance Act has been accepted in the parlament in May 2018. New Decrees for Gas Appliances will be given
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EU Legislation
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Glossary
Safety requirements related to the end-user equipment	The requirements needed to guarantee the safety of the end user application.
Injection of Hydrogen at transmission level (for energy storage and enhancing sustainabily)	Injection of Hydrogen at transmission level (for energy storage and enhancing sustainabily)
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Pan-European Assessment

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	The information is correct There are errors ... Would you like to give us a comment? Thank you! Submit a suggestion for improvements Questions & Answers Question 1 Is there any legislation with regard to safety requirements related to end-user equipment (e.g.: limits in terms of H2 for use in gas appliances)? If yes, please answer the following question. Yes Question 2 Changes to gas supply composition may have implications for the design of gas appliances (safety) and the relevant legislation. What are the implications you expect with regard to the possible concentrations of hydrogen in the H2NG blend? The maximum concentration of hydrogen in the natural gas grid is 1 %. That is acceptable for all the clients. Question 3 For which end user applications do you foresee the main consequences and at which level? Could you please provide references to underpin your opinion? Question 4 Changes to gas supply composition may have implications for CNG compression, storage, and use in CNG vehicles. What are the additional safety precautions needed? Could you please provide references to underpin your opinion Describe the comparable technology and its relevance with regard to hydrogen Injection of biogas to natural gas grid. LAP data Barrier Type Is it a barrier? Assessment Severity Assessment National Legislations National Legislation #1 Title New Gas Appliance Act has been accepted in the parlament in May 2018. Url https://www.eduskunta.fi/FI/vaski/HallituksenEsitys/Documents/HE_50+2018.pdf Relation with EU Legislation Regulation (EU) 2016/426 on appliances burning gaseous fuels. Scope of the relevant parts National Legislation #2 Title New Decrees for Gas Appliances will be given Url http://tem.fi/hankesivu/-/hankesivu/hanke?tunnus=TEM036%3A00%2F2018 Relation with EU Legislation Scope of the relevant parts Please give us a summary of your suggestion E-Mail (optional, if we may contact you)

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