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Inauguration of the HyPSTER project first demonstration facility for renewable hydrogen storage in salt caverns

The HyPSTER project was Inaugurated in Etrez (Ain) in the presence ENGIE’s chiefs, CEO of Storengy and Clean Hydrogen Partnership, numerous elected representatives and economic players in the hydrogen sector.

With an overall budget of 15.5M Euros, including 5M Euros of EU support, this demonstrator paves the way for the creation of an industrial-scale renewable hydrogen storage sector and technical and economic replicability to other sites in Europe.

Launched in January 2021, HyPSTER is moving to the implementation stage, to produce and store hydrogen at the Etrez site (near Lyon – France). On the production side, a 1 MW electrolyser will generate 400 kg of hydrogen per day. On the storage side, test operations will begin in the EZ53 cavity. This will be followed by around a hundred cycles of hydrogen pressure variation over 3 months, with no inflow or outflow of hydrogen. These tests will enable us to confirm our ability to store hydrogen with safety standards similar to those that have been in place for natural gas for over 70 years.

At the end of these test cycles, the hydrogen will be extracted and analysed to ensure the quality of the gas in the cavern.

Industrial-scale deployment starting in 2024

After this experimental stage, the scale will change in 2024: hydrogen production and storage will gradually amplify, until the salt cavern’s full capacity is used up in 2026, i.e. almost 50 tonnes (equivalent to the daily consumption of 2,000 buses). This will enable us to supply the region’s industrial players and hydrogen filling stations.

Press release https://goo.su/4nCch1

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