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Newsletter No 256: Announcement of Flextime Auction Etzel ESE Fast Churn RoSY 2025/26 at fixed prices

Uniper Energy Storage GmbH (UST) offers storage capacities in its Etzel ESE storage facility for the residual storage year 2025/2026 at fixed price.

Uniper Energy Storage GmbH (UST) offers storage capacities in its Etzel ESE storage facility for the residual storage year 2025/2026 at fixed price. 

Product details of the Etzel ESE Fast Churn product:

  • Duration: Residual storage year until 1 April 2026. The setup of new customers can take up to 10 working days.
     
  • Fixed price: Gas storage capacities are offered at a fixed price.
     
  • Offered capacity: 100 storage bundles are available, each with 20 GWh (in total 2,000 GWh).
     
  • Bundle structure:
     
    Firm working gas capacity: 17.682 GWh
    Firm injection rate: 27.932 MWh/h
    Firm withdrawal rate: 29.412 MWh/h
    Interruptible working gas capacity: 2.318 GWh
    Interruptible injection rate: 3.854 MWh/h
  • Flexibility: The structure enables a usage with an injection within 35 days and withdrawal within 34 days:, resulting in a churn rate of 5.29.
     
  • Storage connection: The storage is connected to the market areas THE and TTF.
     
  • Flextime period: The auction runs on working day between 16 June 2025 and 31 July 2025 in Storage Portal of UST and will be announced with at least 20 hours lead time.
     
  • Terms of participation: Bids can only be submitted via the UST Storage Portal. Please register as an "Advanced User" on time and complete the licensing form in the "My Account" section to participate in the auction.
     
  • Additional information: All relevant information and contract documents are available in our published auction on the UST storage portal. 


Please note: The Filling Level Regulations have been revised. Please also check the publishments of the German Regulator.

For questions or comments, the familiar contacts are available at any time.

We are looking forward to your participation!

Do you need further information?

Contact our specialists to receive other details.

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