Dear Market Participants,
We invite you to participate in the testing of the Full Decoupling scenario on the day-ahead market, which will take place:
- Test date: June 03, 2026
- Delivery day: June 04, 2026
- Duration: 11:00 – 17:00 CET
Purpose of the Test
The test is organized to verify the readiness of all involved parties to handle Full Decoupling in real operation according to the simulation schedule. The test will include a Shadow Auction combined with nominations in the Damas Energy system and local day-ahead market evaluation.
Test Plan
- 11:00 – Start of the test
- 14:00 – Deadline for order submission in OKTE
- 16:00 – Full Decoupling announcement (message SDAC_ExC_04b)
- 16:10+ – Start of nominations in the SEPS test environment
Detailed information about the scenario can be found on https://www.nemo-committee.eu/assets/files/decoupling-training-session-with-market-participants-3rd-june-2026.pdf
The operational timings, messages, and rules are described in the Fallback Manual (https://www.nemo-committee.eu/assets/files/sdac-fallback-manual-v12-and-v13.pdf).
Before the test, please verify your access to the following systems:
- SEPS test system:https://test-dae.sepsas.sk/ – check the validity of your accounts and certificates.
- JAO test system:https://www.jao.eu – registration for the Shadow Auction for borders SK/CZ, SK/PL, SK/HU.
If you have any questions, do not hesitate to contact us at aukcie@sepsas.sk .