Uniper Energy Storage GmbH (UST) offers storage capacities in its Breitbrunn, Etzel EGL and Etzel ESE storage facilities for the residual storage year 2025/2026 at fixed price
As our previous marketing efforts have unfortunately not achieved the desired success, we are again planning to offer our capacities during three flextime auctions until end of August.
Breitbrunn RoSY 2025/26
Etzel ESE Fast Churn RoSY 2025/26
Etzel EGL Mid Churn RoSY 2025/26
For questions or comments, the familiar contacts are available at any time.
We are looking forward to your participation!
Breitbrunn RoSY 2025/26
- Offered capacity: 310 storage bundles are available, each with 6.6 GWh WGC (total 2,046 GWh).
- Bundle structure:
Firm working gas capacity 4.860 GWh Firm withdrawal rate 3.218 MWh/h Firm injection rate 3.950 MWh/h Interruptible working gas capacity 1.740 GWh Interruptible withdrawal rate 0.732 MWh/h Interruptible injection rate 1.060 MWh/h
- Flexibility: The structure allows flexible operations with an injection period of 55 days and withdrawal period of 120 days, resulting in a churn rate of 2.09.
- Storage connection: H-Gas market area Trading Hub Europe (THE).
Etzel ESE Fast Churn RoSY 2025/26
- Offered capacity: 100 storage bundles are available, each with 20 GWh WGC (in total 2,000 GWh).
- Bundle structure:
Firm working gas capacity 17.682 GWh Firm withdrawal rate 29.412 MWh/h Firm injection rate 27.932 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.
- Technical Restrictions: Need to be considered.
- Storage connection: H-Gas market area Trading Hub Europe (THE) and Title Transfer Facility (TTF).
Etzel EGL Mid Churn RoSY 2025/26
- Offered capacity: 100 storage bundles are available, each with 20 GWh WGC (in total 2,000 GWh).
- Bundle structure:
Firm working gas capacity 19.000 GWh Firm withdrawal rate 21.183 MWh/h Firm injection rate 12.678 MWh/h Interruptible working gas capacity 1.000 GWh Conditional withdrawal rate 13.300 MWh/h Conditional injection rate 6.100 MWh/h
- Flexibility: The structure enables a usage with an injection within 73 days and a withdrawal within 88 days, resulting in a churn rate of 2.27. By using the conditional capacity injection time can be reduced to 47 days and withdrawal time to 33 days.
- Technical Restrictions: Need to be considered. Average filling level of 55% from 1 September 2025 until 1 April 2026.
- Storage connection: H-Gas market area Trading Hub Europe (THE).
- 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.
- Flextime period: The auctions are planned for execution on a working day between 4 July 2025 and 31 August 2025 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: 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!
