HY-FEN Project Launched: 800 km Hydrogen Pipeline from Fos-sur-Mer to Erching

The prior consultation for this major infrastructure project began on September 28, involving the municipality of Villieu-Loyes-Mollon.

Generic image of a hydrogen pipeline construction in the Auvergne-Rhône-Alpes region.
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Generic image of a hydrogen pipeline construction in the Auvergne-Rhône-Alpes region.

The prior consultation for the HY-FEN project, aiming to create an 800 km hydrogen pipeline between Fos-sur-Mer and Erching, began on September 28. The municipality of Villieu-Loyes-Mollon is part of the public consultation perimeter.

The company Natran launched the prior consultation for the HY-FEN project on September 28. This major undertaking involves the construction of a hydrogen transport pipeline, a hydrogen pipeline, which will extend approximately 800 kilometers between Fos-sur-Mer in the Bouches-du-Rhône and Erching in Moselle.
The primary goal of this infrastructure is to secure the supply of decarbonized hydrogen to major industrial hubs along its route. Detailed information about the project and the consultation process is available through dedicated links.
The municipality of Villieu-Loyes-Mollon has been identified as part of the consultation perimeter, as defined by the National Commission for Public Debate. The consultation period runs from September 28 to December 20, 2026.
Based on information from the official source: Mairie de Villieu-Loyes-Mollon (29/09/2026)