The role of #gasstorage is expected to be even more pronounced due to the higher penetration of intermittent energy sources & more electrification into our #energy system. With this study, we wanted to look into more details and raise awareness "
Dr Axel Wietfeld, #GSE President

"The #data we collect & make available for further analyses is the latest & most accurate from the industry. We will continue to deliver the right & most #reliable figures in support for the best decisions.”
Francisco de la Flor, #GIE System Operations & Development Area Sponsor

📣Our new #study is out!
Dive into the vision paper & map to learn more about underground #gasstorage's value to the European #hydrogen system.
Discover their key role in establishing an integrated #energy system & #H2 economy by 2050 here:
➡ https://bit.ly/3zq5p9w

The Citizens Energy Congress virtual will open on Tuesday 15th June to welcome thousands of energy transition virtual attendees, from industry, government and civil society, to debate the difficult questions at the heart of the energy transition.

Register:https://bit.ly/3d3c5Ac

"Let's look at #LNGterminals and low-carbon & #renewable fuels: they have a major role to play in decarbonising #transport! The good thing ➡️the infrastructure we use today for #LNG can be easily used tomorrow for #bioLNG & #syntheticLNG." @AbelDavEnriquez, @enagas

#EUGreenWeek

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M/R HELLE – Hydrogen injection

By Energinet (Denmark)

 

The project aims at testing a blend of hydrogen and natural gas in the Danish network. Hydrogen will be injected up to 80 bar corresponding to transmission networks. It will be partly funded by external innovation fund.

Phase 1 was finalised in February 2020: long-term test of 12% hydrogen blend, and short-term test of

14% hydrogen blend were completed. Furthermore, no leakage of hydrogen was detected throughout the testing period. It has been decided to continue in a phase 2 where the aim is to test up to 25% blend of hydrogen in the closed loop system. The project partners for phase 1 are Energinet, EVIDA and the Danish Gas Technology Centre.

 

 

Technical aspects

 

  • Blending up to 25% in a closed loop system between two M/R-stations (80/40 and 40/4 bar stations).
  • A new connection has been built to return the gas to the high-pressure side.
  • A compressor raises the pressure from 4 bar to 80 bar.
  • The two M/R stations and connecting pipework are standard and have been in operation for about 30 years on natural gas.

 

Contribution to energy transition

This project will play a role in enabling Denmark to reach its objective of 100% renewable energy in 2050. To reach that target, it is indeed necessary to increase the focus on conversion between various energy sources and on storage of large quantities of renewable energy. M/R HELLE testing project will pave the way to the large-scale development of hydrogen in Denmark, allowing to store and transport surplus renewable electricity.

 

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