Market Coupling News

Invitation: DE-AT-PL-4MMC (Interim Coupling) Member Tests

The aim of the Member Tests is to simulate production-like conditions to allow market participants to experience new market coupling procedures/processes and timings which will apply as of go-live of the DE-AT-PL-4MMC Coupling Project (also referred to as Interim Coupling or ICP), including Fallback procedures.
During the Member Tests testing environments of Local NEMO systems and central systems (allocation algorithm, TSO central system, JAO) with the set-up as for production shall be used. The tests will be organized jointly by the NEMOs participating in the ICP project with the necessary support of the common TSO system and JAO.

According to the Test Plan the Member Tests will be organized from 31.05.2021 to 07.06.2021.

The test session will be launched each working day at 13:00 CET, i.e. after market coupling sessions in 4M MC and
MRC are finished.


Through EXAA you can participate in the following test scenarios:

  • Monday, 31.05.2021                 Normal Day
  • Tuesday, 01.06.2021                Full Decoupling incl. Shadow Auctions performed by JAO
  • Monday, 07.06.2021                 Second Auction



We kindly ask you to officially register for the test with the EXAA Market Operations team via by Fri, 28 May 2021. Please indicate which test scenarios you would like to participate in.


Below you can find the joint invitation of the DE-AT-PL-4MMC parties including detailed information on the new operational timings and test scenarios available for download.




Joint Communciation DE-AT-PL-4MMC Member Tests


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