Uniper Energy Storage GmbH (UST) offers storage capacities in its Epe H-Gas storage facility for storage year 2026/2027 at fixed price.

Epe H-Gas RoSY 2026/27 Fast Churn

• Offered capacity: 83 storage bundles are available, each with 20 GWh WGC (in total 1,660 GWh).

• Bundle structure:

  Firm working gas capacity	20.000 GWh
  Firm withdrawal rate	18.000 MWh/h
  Firm injection rate	8.500 MWh/h
  Interruptible withdrawal rate	2.100 MWh/h
  Interruptible injection rate	5.250 MWh/h

• Flexibility: The structure enables a usage with an injection within 83 days and withdrawal within 52 days, resulting in a churn rate of 2.70.
   
• Technical Restrictions: Need to be considered. Please see Annex II of the Storage Contract. 
   
• Storage connection: H-Gas market area Trading Hub Europe (THE).
   
• Duration: As of two working days after allocation until 1 April 2027. The setup of new customers can take a couple of working days. 
   
• Fixed price: Gas storage capacities are offered at a fixed price.
   
• Reduced Variable Storage fee: Please consider the reduced variable storages fee - based solely on injections - of 0 Euro/MWh for the first churn of the product until 1 August 2026. More details are provided in the storage contract in Article 3 Section 4.
   
• Timing: The auction is planned for execution on a working day between 13 April and 31 May 2026 in the 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: Please consider the existing Filling Level Regulations for cavern storages. Currently 80% by 1 November 2026 and 30% by 1 February 2027.

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

We are looking forward to your participation!