Storengy, an ENGIE subsidiary, is one of the world leaders in underground natural gas storage. The company has 21 sites in France, Germany and the United Kingdom. With 70 years of experience in exploring and exploiting the subsoil, it is working to transform its storage facilities to accommodate 100% renewable gases and is mobilising its skills to develop hydrogen storage infrastructures. Its local roots enable Storengy to take concrete action on environmental, economic and social issues, for the benefit of local communities. Storengy also applies its expertise to industrial and energy storage projects in France and abroad.