Solvay and Enagás to develop hydrogen storage hub in Spain

July 9, 2025 |

In Spain, Solvay and Enagás have signed an agreement to develop a hydrogen storage hub in Polanco, Cantabria. The project will leverage Solvay’s proven expertise in developing salt caverns infrastructure – originally created for soda ash production operations and repurposed into storage under the coordination of Enagás, which brings its expertise in energy transport and hydrogen infrastructure to integrate this capacity into Spain’s future energy system. 

The project, developed in coordination with local stakeholders, strengthens Solvay’s position as a leading provider of salt cavern infrastructure in Europe – building on its legacy of over 100 caverns in Germany and now expanding into Spain.

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Category: Fuels

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