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The presentation explains the intended way of BAM in tackling the safety issues in the project TAHYA.
The way how the term “safety” is used in TAHYA leads to the need for a more risk-based understanding of safety. Based on this, the Monte Carlo simulation is used to show where the weak points of current regulations are. Thus, a concept for optimization of relevant regulations, codes and standards will be elaborated during the project. For this purpose, it is helpful to improve the currently operated tool for Monte Carlo simulation, which will need additional data for monitoring the outcome. Strength data, that will be determined by BAM and the other partners during the already agreed test program can be used for this purpose without additional effort.
The course of the changeover of UGS from natural gas to hydrogen varies depending on the type of the underground gas storage (UGS). In caverns a changeover to high H2-contents can be achieved quickly, while pore storage tanks must be converted over long periods of time. The analytical requirements are correspondingly different. This information has been compiled through expert statement by underground storage operators.
A significant number of new UGS is currently not expected. Public funds (project funding) are currently being raised for the conversion of caverns to hydrogen. In addition, investigations and evaluations of the material are currently being carried out at various storage facilities in order to determine the possibilities and costs of a conversion. H2 admixtures to natural gas, but also pure H2 caverns are considered. The bottleneck seems to be the availability of large volumes of hydrogen. The analytical requirements along with the different hydrogen qualities, which are currently discussed were compiled through expert discussions with underground storage operators and are at hand as early impact results.
The European project MefHySto addresses the need of large-scale energy storage, which is required for a shift to renewable energy supply. The project is funded by the European Metrology Programme on Innovation and Research (EMPIR) and consists of 14 consortium partners from all over Europe (www.mefhysto.eu). It is demonstrated, how MefHySto is contributing to the EMN for Energy Gases aiming at prioritisation of the measurement gaps and challenges interacting with the EMN stakeholders.