To analyse network expansion for hydrogen injection strategies in European natural gas transmission
networks, an extension for the open-source EnergyModelsX (EMX) framework was developed in the
SHIMMER project: https://github.com/EnergyModelsX/EnergyModelsGasNetworks.jl
The mathematical formulation and the implementation in EMX are described for the new nodes, links to
implement quality tracking and flow constraints, following operational pressure levels are described,
followed by an installation guide and tutorial on how to use the software.
Results from a validation study against a more detailed simulation performed in the project are also
presented.
