MARCOGAZ Response on ENNOH’s Public Consultation on Hydrogen Quality
22 April 2026
This document presents MARCOGAZ’s response to ENNOH’s public consultation on hydrogen quality, providing technical input on key aspects of a harmonised European framework. It addresses hydrogen quality monitoring, infrastructure interoperability and the roles of network operators across the value chain, while highlighting the importance of defining contaminant thresholds, ensuring system flexibility and supporting transparent and efficient network operation.
