Leading service provider for Transmission System Operators (TSOs) in the European electricity market.

We would like to inform you that the monthly auctions for the Ukrainian borders have been successfully integrated in our Auction Tool:

• Ukraine-Slovakia: UA <> SK
• Ukraine-Hungary: UA <> HU
• Ukraine-Romania: UA <> RO

The Monthly auctions for Market Period January 2026 are opening on the 15th of December 2025.

Entitlements for monthly auctions will be granted by default to all Market Participants who are already registered with JAO. No additional documentation is required.

For any inquires please visit our Service Desk.

Should you have any questions or require further assistance, please do not hesitate to contact us!

Best regards,

JAO Operations Team

1. TSO(s)*:

APG

2. Identification of affected Long Term Transmission Rights:

DE-AT

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

4. Affected volume in MW / hour for each concerned period:

13-12-2025 00:00 - 01:00 4819 MW

13-12-2025 01:00 - 02:00 4819 MW

13-12-2025 02:00 - 03:00 4819 MW

13-12-2025 03:00 - 04:00 4819 MW

13-12-2025 04:00 - 05:00 4819 MW

13-12-2025 05:00 - 06:00 4819 MW

13-12-2025 06:00 - 07:00 4819 MW

13-12-2025 07:00 - 08:00 4819 MW

13-12-2025 08:00 - 09:00 4819 MW

13-12-2025 09:00 - 10:00 4819 MW

13-12-2025 10:00 - 11:00 4819 MW

13-12-2025 11:00 - 12:00 4819 MW

13-12-2025 12:00 - 13:00 4819 MW

13-12-2025 13:00 - 14:00 4819 MW

13-12-2025 14:00 - 15:00 4819 MW

13-12-2025 15:00 - 16:00 4819 MW

13-12-2025 16:00 - 17:00 4819 MW

13-12-2025 17:00 - 18:00 4819 MW

13-12-2025 18:00 - 19:00 4819 MW

13-12-2025 19:00 - 20:00 4819 MW

13-12-2025 20:00 - 21:00 4819 MW

13-12-2025 21:00 - 22:00 4819 MW

13-12-2025 22:00 - 23:00 4819 MW

13-12-2025 23:00 - 24:00 4819 MW

5. Amount of LTTR remaining after curtailment:

13-12-2025 00:00 - 01:00 4556 MW

13-12-2025 01:00 - 02:00 4556 MW

13-12-2025 02:00 - 03:00 4556 MW

13-12-2025 03:00 - 04:00 4556 MW

13-12-2025 04:00 - 05:00 4556 MW

13-12-2025 05:00 - 06:00 4556 MW

13-12-2025 06:00 - 07:00 4556 MW

13-12-2025 07:00 - 08:00 4556 MW

13-12-2025 08:00 - 09:00 4556 MW

13-12-2025 09:00 - 10:00 4556 MW

13-12-2025 10:00 - 11:00 4556 MW

13-12-2025 11:00 - 12:00 4556 MW

13-12-2025 12:00 - 13:00 4556 MW

13-12-2025 13:00 - 14:00 4556 MW

13-12-2025 14:00 - 15:00 4556 MW

13-12-2025 15:00 - 16:00 4556 MW

13-12-2025 16:00 - 17:00 4556 MW

13-12-2025 17:00 - 18:00 4556 MW

13-12-2025 18:00 - 19:00 4556 MW

13-12-2025 19:00 - 20:00 4556 MW

13-12-2025 20:00 - 21:00 4556 MW

13-12-2025 21:00 - 22:00 4556 MW

13-12-2025 22:00 - 23:00 4556 MW

13-12-2025 23:00 - 24:00 4556 MW

6. Information on exact operational security limit(s) that are expected to be violated in the absence of curtailment*:

Expected violation of operational security limits of physical transmission assets.

7. Why alternative measures are not sufficient to avoid the expected violation of operational security limit(s) *?

During the CC process, all the remedial actions provided by the TSOs are already considered by the CCC in the calculation.

Please be informed that the day-ahead market coupling session is now completed.

The SDAC Market Coupling process is delayed due to technical reasons or market issues.

Therefore, the publication of the final Market Coupling Results is delayed.

We advise you to update your shadow bids at JAO eCAT platform before 14:10.

Please be aware that the publication of the SDAC Market Coupling Results is delayed until further notice.

The Market Coupling Results will be published as soon as they are available.

If needed, another delay message will be sent out.

Therefore, if relevant, we advise you to update your shadow bids at JAO eCAT platform before 14:10.

1. TSO(s)*:

TERNA

2. Identification of affected Long Term Transmission Rights:

AT-IT

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

4. Affected volume in MW / hour for each concerned period:

12-12-2025 07:00 - 08:00 204 MW

12-12-2025 08:00 - 09:00 204 MW

12-12-2025 09:00 - 10:00 204 MW

12-12-2025 10:00 - 11:00 204 MW

12-12-2025 11:00 - 12:00 204 MW

12-12-2025 12:00 - 13:00 204 MW

12-12-2025 13:00 - 14:00 204 MW

12-12-2025 14:00 - 15:00 204 MW

12-12-2025 15:00 - 16:00 204 MW

12-12-2025 16:00 - 17:00 204 MW

12-12-2025 17:00 - 18:00 204 MW

12-12-2025 18:00 - 19:00 204 MW

12-12-2025 19:00 - 20:00 204 MW

12-12-2025 20:00 - 21:00 204 MW

5. Amount of LTTR remaining after curtailment:

12-12-2025 07:00 - 08:00 128 MW

12-12-2025 08:00 - 09:00 128 MW

12-12-2025 09:00 - 10:00 134 MW

12-12-2025 10:00 - 11:00 134 MW

12-12-2025 11:00 - 12:00 134 MW

12-12-2025 12:00 - 13:00 134 MW

12-12-2025 13:00 - 14:00 134 MW

12-12-2025 14:00 - 15:00 123 MW

12-12-2025 15:00 - 16:00 158 MW

12-12-2025 16:00 - 17:00 158 MW

12-12-2025 17:00 - 18:00 158 MW

12-12-2025 18:00 - 19:00 126 MW

12-12-2025 19:00 - 20:00 129 MW

12-12-2025 20:00 - 21:00 129 MW

6. Information on exact operational security limit(s) that are expected to be violated in the absence of curtailment*:

7. Why alternative measures are not sufficient to avoid the expected violation of operational security limit(s)*?

*According to section 57.3 of the EU HAR, this field can be filled in within 24 hours after the initial publication

Please be informed that due to IDA1 cancellation, data for IDA1 will not be available in Publication Tool for business day 10/12/2025.