Vallourec has reached a key milestone with the qualification of Delphy, its vertical hydrogen gas storage solution, by DNV. Capable of storing between 1 and 100 tonnes of hydrogen at depths of up to 100 metres, Delphy has now received a certification that Vallourec describes as “a guarantee of the solution’s safety and reliability.” More importantly, it marks a decisive step towards commercial deployment.
Launched in 2022, Delphy is designed for complex and demanding industrial environments. It targets producers of green hydrogen as well as industrial players such as synthetic fuel (e-SAF, e-methanol) and green ammonia manufacturers, alongside steelworks and refineries.
Strong Market Potential
Vallourec has already signed two memorandums of understanding—one with H2V for green hydrogen projects, and another with NextChem Tech for green hydrogen and green ammonia developments. Around fifty projects, both in France and internationally, are currently under discussion. These could represent potential sales of approximately €2 billion.
“Thanks to the excellence of our teams, we’re able to offer a world-unique solution that meets the challenges of scaling up the hydrogen industry,” said Philippe Guillemot, Chairman and CEO of Vallourec.
Santiago Blanco, Executive Vice President and Head of Southern Europe, Energy Systems at DNV, added: “Our Energy Transition Outlook model forecasts a global need for 188 million tonnes of hydrogen per year by 2050. Flexible storage solutions like Delphy will be essential to connect intermittent renewable production with growing industrial demand.”
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