Upcoming auction for Trading services for Storage Year 2026
EnergyStock organizes an auction for one-year Trading services for Storage Year 2026. These services are designed to generate value through tradable products and support day-ahead nominations with a flat intra-day profile. Both injection and withdrawal capacity can be used 24 hours per day. Our Trading services are available on TTF.
The auction will take place on Monday, 1 December 2025 at 14:00 LET via the PRISMA platform.
Auction details
The specification of the Standard Bundled Units (SBU) will depend on the available capacity following the sales process for Hourly Flex services for Storage Year 2026. Our auction document will be published on Wednesday, 19 November 2025.
Hourly Flex services
Contracts for Hourly Flex services for Storage Year 2026 can be concluded until Tuesday, 18 November 2025. EnergyStock remains open for requests for multi-year Hourly Flex services starting in Storage Year 2027.
Participation
If you wish to participate in the auction, please register by sending an email to info@energystock.com. To participate, market parties are required to accept our General Terms and Conditions TTF 2025 by submitting a signed Declaration of Acceptance (DoA). If you have already submitted a recent DoA, you do not need to submit it again.
Following registration, a credit control report will be drawn up. The credit limit stated in the credit control report will be the applicable credit limit for the customer. Instructions for this process can be found in our Credit Control Protocol. These documents, including the contract sheet, are available on our website.
PRISMA
Please also ensure that you are registered with PRISMA and connected to the Storage System Operator (SSO) EnergyStock. Click here to go to the PRISMA registration page.
The above conditions must be met no later than Wednesday, 26 November 2025 to participate in the auction. However, to ensure the speed of the process, we would like to ask you to do this as soon as possible. You will receive confirmation of participation in the auction by e-mail.
If you have any questions, then feel free to ask Kars Schoemaker or Antwa Munnik. You can find their contact information on our website.