Germany has the highest potential underground storage capacity for hydrogen in Europe. As of 2021, Germany had a working gas capacity of *** terawatt hours, which could potentially translate into a hydrogen storage capacity of **** terawatt hours. Gas may be stored below ground in salt caverns, depleted gas fields, aquifers, and hard rock caverns.
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Gas Infrastructure Europe. (June 14, 2021). Potential hydrogen underground storage capacity in Europe in 2021, by country (in terawatt hours) [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved July 28, 2026, from /statistics/1267919/potential-hydrogen-storage-capacity-in-europe-by-country/
Gas Infrastructure Europe. "Potential hydrogen underground storage capacity in Europe in 2021, by country (in terawatt hours)." Chart. June 14, 2021. ÌÇÐÄÆÆ½â°æ. Accessed July 28, 2026. /statistics/1267919/potential-hydrogen-storage-capacity-in-europe-by-country/
Gas Infrastructure Europe. (2021). Potential hydrogen underground storage capacity in Europe in 2021, by country (in terawatt hours). ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: July 28, 2026. /statistics/1267919/potential-hydrogen-storage-capacity-in-europe-by-country/
Gas Infrastructure Europe. "Potential Hydrogen Underground Storage Capacity in Europe in 2021, by Country (in Terawatt Hours)." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 14 Jun 2021, /statistics/1267919/potential-hydrogen-storage-capacity-in-europe-by-country/
Gas Infrastructure Europe, Potential hydrogen underground storage capacity in Europe in 2021, by country (in terawatt hours) ÌÇÐÄÆÆ½â°æ, /statistics/1267919/potential-hydrogen-storage-capacity-in-europe-by-country/ (last visited July 28, 2026)
Potential hydrogen underground storage capacity in Europe in 2021, by country (in terawatt hours) [Graph], Gas Infrastructure Europe, June 14, 2021. [Online]. Available: /statistics/1267919/potential-hydrogen-storage-capacity-in-europe-by-country/