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

1. TSO(s)*:

RTE, REE

2. Identification of affected Long Term Transmission Rights:

ES-FR

3. Triggering event:

Curtailment due to Curtailment to ensure operation remains within Operational Security Limits

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

22-10-2026 11:00 - 12:00 1030 MW

22-10-2026 12:00 - 13:00 1030 MW

22-10-2026 13:00 - 14:00 1030 MW

22-10-2026 14:00 - 15:00 1030 MW

22-10-2026 15:00 - 16:00 1030 MW

5. Amount of LTTR remaining after curtailment:

22-10-2026 11:00 - 12:00 769 MW

22-10-2026 12:00 - 13:00 769 MW

22-10-2026 13:00 - 14:00 769 MW

22-10-2026 14:00 - 15:00 769 MW

22-10-2026 15:00 - 16:00 769 MW

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

      11:00-12:00 Dambron - Verger
      12:00-13:00 Dambron - Verger
      13:00-14:00 Dambron - Verger
      14:00-15:00 Dambron - Verger
      15:00-16:00 Dambron - Verger

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

The available remedial actions were assessed as insufficient or ineffective to avoid the violation of operational security limits

1. TSO(s)*:

RTE, SWISSGRID

2. Identification of affected Long Term Transmission Rights:

FR-CH

3. Triggering event:

Curtailment due to Curtailment to ensure operation remains within Operational Security Limits

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

22-10-2026 00:00 - 01:00 370 MW

22-10-2026 01:00 - 02:00 370 MW

22-10-2026 02:00 - 03:00 370 MW

22-10-2026 03:00 - 04:00 370 MW

22-10-2026 04:00 - 05:00 370 MW

22-10-2026 05:00 - 06:00 370 MW

22-10-2026 06:00 - 07:00 370 MW

22-10-2026 07:00 - 08:00 370 MW

22-10-2026 08:00 - 09:00 370 MW

22-10-2026 09:00 - 10:00 370 MW

22-10-2026 10:00 - 11:00 370 MW

22-10-2026 11:00 - 12:00 370 MW

22-10-2026 12:00 - 13:00 370 MW

22-10-2026 13:00 - 14:00 370 MW

22-10-2026 14:00 - 15:00 370 MW

22-10-2026 15:00 - 16:00 370 MW

22-10-2026 16:00 - 17:00 370 MW

22-10-2026 17:00 - 18:00 370 MW

22-10-2026 18:00 - 19:00 370 MW

22-10-2026 19:00 - 20:00 370 MW

22-10-2026 20:00 - 21:00 370 MW

22-10-2026 21:00 - 22:00 370 MW

22-10-2026 22:00 - 23:00 370 MW

22-10-2026 23:00 - 24:00 370 MW

5. Amount of LTTR remaining after curtailment:

22-10-2026 00:00 - 01:00 0 MW

22-10-2026 01:00 - 02:00 0 MW

22-10-2026 02:00 - 03:00 0 MW

22-10-2026 03:00 - 04:00 0 MW

22-10-2026 04:00 - 05:00 0 MW

22-10-2026 05:00 - 06:00 0 MW

22-10-2026 06:00 - 07:00 0 MW

22-10-2026 07:00 - 08:00 0 MW

22-10-2026 08:00 - 09:00 0 MW

22-10-2026 09:00 - 10:00 0 MW

22-10-2026 10:00 - 11:00 0 MW

22-10-2026 11:00 - 12:00 0 MW

22-10-2026 12:00 - 13:00 0 MW

22-10-2026 13:00 - 14:00 0 MW

22-10-2026 14:00 - 15:00 0 MW

22-10-2026 15:00 - 16:00 0 MW

22-10-2026 16:00 - 17:00 0 MW

22-10-2026 17:00 - 18:00 0 MW

22-10-2026 18:00 - 19:00 0 MW

22-10-2026 19:00 - 20:00 0 MW

22-10-2026 20:00 - 21:00 0 MW

22-10-2026 21:00 - 22:00 0 MW

22-10-2026 22:00 - 23:00 0 MW

22-10-2026 23:00 - 24:00 0 MW

Dear Market Participants,

We are pleased to share the latest improvements to the JAO website. These updates are designed to enhance usability, improve performance, and provide a smoother user experience. The main changes included in this release are summarized below.

New

• Great Britain VKL Border Option: Great Britain VKL is now added as a selectable border option to extend platform geographical coverage.
• Site Version Indicator: The deployed application release version is now transparently displayed in the site footer for verification.

Improved

• Inline Comment Validation: Form validation errors are displayed directly inside the comment window so users can correct input without leaving the form.
• News Browsing & Navigation: Enhanced news list navigation for smoother browsing.

Fixed & Security

• Drupal Core Updates: Upgraded Drupal core to versions 10.6.17 and 10.6.19 to ensure a secure and reliable user experience.
• Additional Security Improvements:Enhanced platform security and stability by implementing additional safeguards for sensitive system configurations.

The JAO Website Release 1.10 is scheduled to go live on 21/10/2026. Estimated maintenance window: 5–10 minutes, during which a maintenance page will be displayed.

If you have any questions regarding these updates or require further assistance, please contact us through JAO Support Hub.

Thank you for your continued cooperation.

Kind regards,

JAO Support Team

Dear Market Participants,

Due to technical issues, IDCC(e) publications are currently experiencing delays. We are actively working to resolve these issues and implement a permanent solution.

We apologise for any inconvenience caused and thank you for your understanding.

1. TSO(s)*:

APG

2. Identification of affected Long Term Transmission Rights:

SI-AT

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

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

21-10-2026 12:00 - 13:00 400 MW

21-10-2026 13:00 - 14:00 400 MW

5. Amount of LTTR remaining after curtailment:

21-10-2026 12:00 - 13:00 164 MW

21-10-2026 13:00 - 14:00 168 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.

1. TSO(s)*:

APG

2. Identification of affected Long Term Transmission Rights:

HU-AT

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

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

21-10-2026 12:00 - 13:00 320 MW

21-10-2026 13:00 - 14:00 320 MW

5. Amount of LTTR remaining after curtailment:

21-10-2026 12:00 - 13:00 136 MW

21-10-2026 13:00 - 14:00 136 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.

1. TSO(s)*:

APG

2. Identification of affected Long Term Transmission Rights:

AT-CZ

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

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

21-10-2026 12:00 - 13:00 350 MW

21-10-2026 13:00 - 14:00 350 MW

5. Amount of LTTR remaining after curtailment:

21-10-2026 12:00 - 13:00 43 MW

21-10-2026 13:00 - 14:00 50 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.