A bucolic setting for a world premiere. In Étrez, in the Ain department, part of the energy future of France, and even of Europe, is at stake. Storengy, a subsidiary of Engie, is testing the principle of underground hydrogen storage. The first well of the Hypster project was inaugurated on Friday. The technique is proven for natural gas, but for its cousin with smaller molecules, the challenge is quite different. Nevertheless, it is essential to ensure the economic and technological viability of a production and consumption chain under construction.
For this €15 million project, Engie and its eight partners received €5 million in support from Europe. "This project paves the way for the industrialization of large-scale hydrogen storage," sums up Catherine MacGregor, CEO of Engie. "Don't expect anything spectacular. Here, everything is played 1,500 meters under our feet, "warns Charlotte Roule, general manager of Storengy. In...
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