Competition in the conversion of the gas grid: Is the future of biogas biomethane or hydrogen?

Due to the decarbonization of the energy system, natural gas will only play a minor role as an energy source after 2045. To decarbonize the gas supply in the future, there are two options for green gases: hydrogen or biomethane. The injection of green gases into the existing gas infrastructure leads...

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Bibliographic Details
Published in:International journal of hydrogen energy 2023-10, Vol.48 (83), p.32469-32484
Main Authors: Mertins, Anica, Heiker, Mathias, Rosenberger, Sandra, Wawer, Tim
Format: Article
Language:English
Subjects:
Biogas plants
Biomethane
Gas grid
Hydrogen
Utilization pathways
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Summary:Due to the decarbonization of the energy system, natural gas will only play a minor role as an energy source after 2045. To decarbonize the gas supply in the future, there are two options for green gases: hydrogen or biomethane. The injection of green gases into the existing gas infrastructure leads to changes in the gas composition, requiring a consideration of the framework conditions for distribution. Adjustments to the grid for transport may be required. Consequently, this paper presents the main characteristics of hydrogen and biomethane and examines the suitability of the gas infrastructure for their transportation. A case study for the development of gas infrastructure in Germany is presented. The focus is on the further development of biogas, concentrating on the question of which biogas should optimally be upgraded in the future to enable its be distribution in the long term. [Display omitted] •Dedication of gas infrastructure to hydrogen in competition with the distribution of biomethane.•Examination of the suitability of the infrastructure for the distribution of green gases.•Gas grid development pathways in Germany.•Role of biogas in future gas supply.
ISSN:0360-3199
1879-3487
DOI:10.1016/j.ijhydene.2023.04.270