Registration for the New Round of International Testing of the 15’MTU Project
Following previous testing activities, we would like to inform market participants about the opportunity to take part in a new round of member testing of the 15-Minute Market Time Unit (15’MTU) implementation project in the SDAC (Single Day-Ahead Coupling) market, which will take place from 9 September 2025 to 11 September 2025.
The planned go-live date of the project is 30 September 2025. The aim of this testing phase is to enable market participants to test their systems and processes in an environment simulating real operating conditions under the 15-minute market time unit.
Detailed information about the testing, including the schedule and organizational guidelines, is available on the official NEMO Committee website:
SDAC 15-Minute MTU Go-Live – Information for Joint Members' Testing Phase (PDF)
Important:
Market participants who did not participate in the previous testing round held in April–May 2025 are required to register for this new testing round.
To register, please send an email to market@okte.sk with the subject line "SDAC 15’ MTU Testing – Registration" and include the following information:
- Request for testing in the ISOT system + valid certificate (if test environment access has not yet been established)
- Email address for receiving notifications during the testing period
If a market participant was granted access to the test environment during VDT tests in 2025, this access remains active. However, it is still necessary to provide an email address for notification purposes during the testing period.
If a market participant does not have access to the OKTE test environment, they may request it by submitting the Request for Testing in the XMtrade®/ISOT System form, available on the OKTE website.
Registration is mandatory to participate in the testing. There are no time or participant number limits for registration.