Storengy, an ENGIE subsidiary, is one of the world leaders in underground natural gas storage. The company has 21 natural gas storage sites in Germany and the United Kingdom. Storengy is also a key player in renewable gas. With 70 years' experience in underground exploration and exploitation, and in response to the current energy challenges of decarbonisation and sovereignty, Storengy is today mobilising its skills in the development of hydrogen storage infrastructures and the exploration of natural hydrogen.