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Rüdersdorf (dpa / bb) - The energy supplier EWE is on schedule with its project of a test cavern in Rüdersdorf for storing hydrogen.
According to EWE, six tons of hydrogen will be stored there - enough to fill the tanks of 1,000 cars.
The investment amounts to around 10 million euros.
For this purpose, the Lower Saxony energy supplier is building an underground cavern storage facility in the salt rock.
According to the company, pure hydrogen will be stored there underground.
EWE wants to research how the climate-friendly energy source can be integrated into the regional energy system.
There are various methods of producing hydrogen.
The safe storage of hydrogen, the compatibility of materials and the degree of purity after extraction from the underground cavity are tested, as EWE specialist Paul Schneider says.
An area the size of a single family home is washed out of the salt rock.
The so-called brining should begin shortly.
After a construction period of around a year, the first hydrogen filling should take place in spring 2022, according to EWE.
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There are some hydrogen research projects running nationwide.
The Federal Ministry of Research promotes basic research.
“Green” hydrogen is produced by electrolysis, in which electricity is used to split water into hydrogen and oxygen.
© dpa-infocom, dpa: 210426-99-352084 / 2
EWE project