Meudon, France, - Vallourec's Delphy, a vertical gaseous hydrogen storage solution, has been officially qualified by DNV.
Delphy is capable of storing 1 to 100 tons of hydrogen, designed for maximum safety. The system extends up to 100 meters underground, suitable for industrial environments.
The solution targets green hydrogen producers and industries like synthetic fuel and ammonia producers. The project, launched in 2022, involved around thirty experts.
This qualification is a key milestone for commercialization, meeting growing demand for hydrogen storage infrastructure. It is expected to be fueled by European regulations and the French hydrogen strategy.