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


The requirements needed to guarantee the safety of the end user application.
Is it a barrier?
Type of Barrier
Structural barriers, Regulatory gap
Assessment Severity


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.
See SNG group. H2 is not allowed to be injected in the network purely. Under the Article 54 from Law 34/1998, hydrogen is allowed to be injected only with SNG.

National legislation: