Hydrogen is considered a crucial energy carrier in energy transition roadmaps. It can be used to store surplus electricity from intermittent solar and wind energy sources thus providing crucial flexibility and stability to the electricity grid. Hydrogen will also help decarbonize other sectors characterized by high energy demand, such as industry, heavy transport and the built environment, which are hard to electrify. Underground hydrogen storage (UHS) will be a critical enabler of a future hydrogen economy because it provides cost-effective large-scale and long-duration storage solution for managing supply and demand.
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