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Newsletter No 266: Auctions Bierwang for optional contract periods of 1 or 2 years at fixed price on 23 September 2025

Uniper Energy Storage GmbH (UST) offers storage capacities in its Bierwang storage facility for storage years 2026/2027 and 2027/2028 at fixed price.

Uniper Energy Storage GmbH (UST) offers storage capacities in its Bierwang storage facility for 1 or 2 storage years starting by 1st April 2026 at fixed prices. Please note, we are conducting two parallel auctions, each with a storage capacity of 2 TWh/year. However, the maximum total allocation for both auctions will be limited to 2 TWh/year, as the auctions are in competition with each other. Allocations can be made for a period of either 1 or 2 years, as UST will choose the most economical offer based predefined allocation rules.

Product details of the Bierwang Mid Churn product:
  • Duration: 1 or 2 storage years, starting 1st April 2026
     
  • Fixed price: Gas storage capacities are offered at a fixed price.
     
  • Offered capacity: 100 storage bundles are available, each with 20 GWh WGC (in total 2 TWh).
  • Bundle structure:
     
    Firm working gas: 20 GWh
    Firm injection rate: 19.512 MWh/h
    Firm withdrawal rate: 26.098 MWh/h
     
  • Flexibility: The structure enables a usage with an injection within 167 days and withdrawal within 46 days:, resulting in a churn rate of 1.71.
     
  • Storage connection: H-Gas market area Trading Hub Europe (THE).
     
  • Timing: Two parallel auctions run on 23 September 2025 between 11 and 12 hours in Storage Portal of UST.
     
  • 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!

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