Vallourec targets on-site hydrogen storage market
French company prepares for commercial launch of underground storage system to be deployed at green hydrogen production and consumption sites
Tubular technology company Vallourec is pushing ahead with the commercial launch of its first large-scale underground hydrogen storage system this summer as it eyes growing demand in Europe and North America. After building and commissioning its own demonstration site in 2023, France-based Vallourec is discussing designs for the potential deployment of the vertical storage solution, called Delphy, with 30–40 green hydrogen projects, hydrogen director Vincent Designolle told Hydrogen Economist in an interview. Vallourec hydrogen director Vincent Designolle “North America is an area of strong interest for us,” he said. “We have good leads
Also in this section
25 February 2026
Low-carbon hydrogen and ammonia development is advancing much more slowly and unevenly than once expected, with high costs and policy uncertainty thinning investment. Meanwhile, surging energy demand is reinforcing the role of natural gas and LNG as the backbone of the global energy system, panellists at LNG2026 said
18 February 2026
Norwegian energy company has dropped a major hydrogen project and paused its CCS expansion plans as demand fails to materialise
4 February 2026
Europe’s largest electrolyser manufacturers are losing patience with policymakers as sluggish growth in the green hydrogen sector undermines their decision to expand production capacity
2 February 2026
As a fertiliser feedstock, it is indispensable, but ammonia’s potential as a carbon-free energy carrier is also making it central to global decarbonisation strategies






