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

1. TSO(s)*:

HTSO-TSO

2. Identification of affected Long Term Transmission Rights:

GR-BG

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

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

23-05-2026 06:00 - 07:00 590 MW

23-05-2026 07:00 - 08:00 590 MW

23-05-2026 08:00 - 09:00 590 MW

23-05-2026 09:00 - 10:00 590 MW

23-05-2026 10:00 - 11:00 590 MW

23-05-2026 11:00 - 12:00 590 MW

23-05-2026 12:00 - 13:00 590 MW

23-05-2026 13:00 - 14:00 590 MW

23-05-2026 14:00 - 15:00 590 MW

23-05-2026 15:00 - 16:00 590 MW

23-05-2026 16:00 - 17:00 590 MW

23-05-2026 17:00 - 18:00 590 MW

5. Amount of LTTR remaining after curtailment:

23-05-2026 06:00 - 07:00 477 MW

23-05-2026 07:00 - 08:00 477 MW

23-05-2026 08:00 - 09:00 477 MW

23-05-2026 09:00 - 10:00 477 MW

23-05-2026 10:00 - 11:00 477 MW

23-05-2026 11:00 - 12:00 477 MW

23-05-2026 12:00 - 13:00 477 MW

23-05-2026 13:00 - 14:00 477 MW

23-05-2026 14:00 - 15:00 477 MW

23-05-2026 15:00 - 16:00 477 MW

23-05-2026 16:00 - 17:00 477 MW

23-05-2026 17:00 - 18:00 477 MW

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

Operational security reasons.

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)*:

RNP

2. Identification of affected Long Term Transmission Rights:

IF1-GB-FR

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

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

04-06-2026 00:00 - 01:00 1690 MW

04-06-2026 01:00 - 02:00 1690 MW

04-06-2026 02:00 - 03:00 1690 MW

04-06-2026 03:00 - 04:00 1690 MW

04-06-2026 04:00 - 05:00 1690 MW

04-06-2026 05:00 - 06:00 1690 MW

04-06-2026 06:00 - 07:00 1690 MW

04-06-2026 07:00 - 08:00 1690 MW

04-06-2026 08:00 - 09:00 1690 MW

04-06-2026 09:00 - 10:00 1690 MW

04-06-2026 10:00 - 11:00 1690 MW

04-06-2026 11:00 - 12:00 1690 MW

04-06-2026 12:00 - 13:00 1690 MW

04-06-2026 13:00 - 14:00 1690 MW

04-06-2026 14:00 - 15:00 1690 MW

04-06-2026 15:00 - 16:00 1690 MW

04-06-2026 16:00 - 17:00 1690 MW

04-06-2026 17:00 - 18:00 1690 MW

04-06-2026 18:00 - 19:00 1690 MW

04-06-2026 19:00 - 20:00 1690 MW

04-06-2026 20:00 - 21:00 1690 MW

04-06-2026 21:00 - 22:00 1690 MW

04-06-2026 22:00 - 23:00 1690 MW

04-06-2026 23:00 - 24:00 1690 MW

5. Amount of LTTR remaining after curtailment:

04-06-2026 00:00 - 01:00 1434 MW

04-06-2026 01:00 - 02:00 1434 MW

04-06-2026 02:00 - 03:00 1434 MW

04-06-2026 03:00 - 04:00 1434 MW

04-06-2026 04:00 - 05:00 1434 MW

04-06-2026 05:00 - 06:00 1434 MW

04-06-2026 06:00 - 07:00 1434 MW

04-06-2026 07:00 - 08:00 1434 MW

04-06-2026 08:00 - 09:00 1434 MW

04-06-2026 09:00 - 10:00 1434 MW

04-06-2026 10:00 - 11:00 1434 MW

04-06-2026 11:00 - 12:00 1434 MW

04-06-2026 12:00 - 13:00 1434 MW

04-06-2026 13:00 - 14:00 1434 MW

04-06-2026 14:00 - 15:00 1434 MW

04-06-2026 15:00 - 16:00 1434 MW

04-06-2026 16:00 - 17:00 1434 MW

04-06-2026 17:00 - 18:00 1434 MW

04-06-2026 18:00 - 19:00 1434 MW

04-06-2026 19:00 - 20:00 1434 MW

04-06-2026 20:00 - 21:00 1434 MW

04-06-2026 21:00 - 22:00 1434 MW

04-06-2026 22:00 - 23:00 1434 MW

04-06-2026 23:00 - 24:00 1434 MW

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

Thermal Limits

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

Capacity limitation due to unplanned maintenance

1. TSO(s)*:

RNP

2. Identification of affected Long Term Transmission Rights:

IF1-FR-GB

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

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

04-06-2026 00:00 - 01:00 1700 MW

04-06-2026 01:00 - 02:00 1700 MW

04-06-2026 02:00 - 03:00 1700 MW

04-06-2026 03:00 - 04:00 1700 MW

04-06-2026 04:00 - 05:00 1700 MW

04-06-2026 05:00 - 06:00 1700 MW

04-06-2026 06:00 - 07:00 1700 MW

04-06-2026 07:00 - 08:00 1700 MW

04-06-2026 08:00 - 09:00 1700 MW

04-06-2026 09:00 - 10:00 1700 MW

04-06-2026 10:00 - 11:00 1700 MW

04-06-2026 11:00 - 12:00 1700 MW

04-06-2026 12:00 - 13:00 1700 MW

04-06-2026 13:00 - 14:00 1700 MW

04-06-2026 14:00 - 15:00 1700 MW

04-06-2026 15:00 - 16:00 1700 MW

04-06-2026 16:00 - 17:00 1700 MW

04-06-2026 17:00 - 18:00 1700 MW

04-06-2026 18:00 - 19:00 1700 MW

04-06-2026 19:00 - 20:00 1700 MW

04-06-2026 20:00 - 21:00 1700 MW

04-06-2026 21:00 - 22:00 1700 MW

04-06-2026 22:00 - 23:00 1700 MW

04-06-2026 23:00 - 24:00 1700 MW

5. Amount of LTTR remaining after curtailment:

04-06-2026 00:00 - 01:00 1452 MW

04-06-2026 01:00 - 02:00 1452 MW

04-06-2026 02:00 - 03:00 1452 MW

04-06-2026 03:00 - 04:00 1452 MW

04-06-2026 04:00 - 05:00 1452 MW

04-06-2026 05:00 - 06:00 1452 MW

04-06-2026 06:00 - 07:00 1452 MW

04-06-2026 07:00 - 08:00 1452 MW

04-06-2026 08:00 - 09:00 1452 MW

04-06-2026 09:00 - 10:00 1452 MW

04-06-2026 10:00 - 11:00 1452 MW

04-06-2026 11:00 - 12:00 1452 MW

04-06-2026 12:00 - 13:00 1452 MW

04-06-2026 13:00 - 14:00 1452 MW

04-06-2026 14:00 - 15:00 1452 MW

04-06-2026 15:00 - 16:00 1452 MW

04-06-2026 16:00 - 17:00 1452 MW

04-06-2026 17:00 - 18:00 1452 MW

04-06-2026 18:00 - 19:00 1452 MW

04-06-2026 19:00 - 20:00 1452 MW

04-06-2026 20:00 - 21:00 1452 MW

04-06-2026 21:00 - 22:00 1452 MW

04-06-2026 22:00 - 23:00 1452 MW

04-06-2026 23:00 - 24:00 1452 MW

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

Thermal Limits

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

Capacity limitation due to unplanned maintenance

1. TSO(s)*:

TenneT TSO B.V.

2. Identification of affected Long Term Transmission Rights:

DK-NL

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

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

23-05-2026 08:00 - 09:00 199 MW

23-05-2026 09:00 - 10:00 199 MW

23-05-2026 10:00 - 11:00 199 MW

23-05-2026 11:00 - 12:00 199 MW

23-05-2026 12:00 - 13:00 199 MW

23-05-2026 13:00 - 14:00 199 MW

23-05-2026 14:00 - 15:00 199 MW

23-05-2026 15:00 - 16:00 199 MW

23-05-2026 16:00 - 17:00 199 MW

23-05-2026 17:00 - 18:00 199 MW

5. Amount of LTTR remaining after curtailment:

23-05-2026 08:00 - 09:00 0 MW

23-05-2026 09:00 - 10:00 0 MW

23-05-2026 10:00 - 11:00 0 MW

23-05-2026 11:00 - 12:00 0 MW

23-05-2026 12:00 - 13:00 0 MW

23-05-2026 13:00 - 14:00 0 MW

23-05-2026 14:00 - 15:00 0 MW

23-05-2026 15:00 - 16:00 0 MW

23-05-2026 16:00 - 17:00 0 MW

23-05-2026 17:00 - 18:00 0 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)*?

The remedial actions considered were assessed as not sufficient or ineffective to avoid the expected violation of operational security limit(s).

1. TSO(s)*:

CGES

2. Identification of affected Long Term Transmission Rights:

ME-IT

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

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

23-05-2026 08:00 - 09:00 400 MW

23-05-2026 09:00 - 10:00 400 MW

23-05-2026 10:00 - 11:00 400 MW

23-05-2026 11:00 - 12:00 400 MW

23-05-2026 12:00 - 13:00 400 MW

23-05-2026 13:00 - 14:00 400 MW

23-05-2026 14:00 - 15:00 400 MW

23-05-2026 15:00 - 16:00 400 MW

23-05-2026 16:00 - 17:00 400 MW

23-05-2026 17:00 - 18:00 400 MW

5. Amount of LTTR remaining after curtailment:

23-05-2026 08:00 - 09:00 0 MW

23-05-2026 09:00 - 10:00 0 MW

23-05-2026 10:00 - 11:00 0 MW

23-05-2026 11:00 - 12:00 0 MW

23-05-2026 12:00 - 13:00 0 MW

23-05-2026 13:00 - 14:00 0 MW

23-05-2026 14:00 - 15:00 0 MW

23-05-2026 15:00 - 16:00 0 MW

23-05-2026 16:00 - 17:00 0 MW

23-05-2026 17:00 - 18:00 0 MW

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

HVDC Monita

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

1. TSO(s)*:

AST

2. Identification of affected Long Term Transmission Rights:

EE-LV

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

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

22-05-2026 13:00 - 14:00 440 MW

22-05-2026 14:00 - 15:00 440 MW

22-05-2026 15:00 - 16:00 440 MW

22-05-2026 16:00 - 17:00 440 MW

22-05-2026 17:00 - 18:00 440 MW

22-05-2026 18:00 - 19:00 440 MW

22-05-2026 19:00 - 20:00 440 MW

22-05-2026 20:00 - 21:00 440 MW

22-05-2026 21:00 - 22:00 440 MW

22-05-2026 22:00 - 23:00 440 MW

22-05-2026 23:00 - 24:00 440 MW

5. Amount of LTTR remaining after curtailment:

22-05-2026 13:00 - 14:00 403 MW

22-05-2026 14:00 - 15:00 403 MW

22-05-2026 15:00 - 16:00 383 MW

22-05-2026 16:00 - 17:00 384 MW

22-05-2026 17:00 - 18:00 378 MW

22-05-2026 18:00 - 19:00 382 MW

22-05-2026 19:00 - 20:00 378 MW

22-05-2026 20:00 - 21:00 396 MW

22-05-2026 21:00 - 22:00 394 MW

22-05-2026 22:00 - 23:00 395 MW

22-05-2026 23:00 - 24:00 396 MW

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

Nord Pool - UMM Platform
as well as the capacity alread allocated on The Baltic balancing Market for balancing capacity sharing at Transparency Platform

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

There are no alternatives to the curtailment of the affected LTTRs.

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

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:

22-05-2026 11:00 - 12:00 347 MW

22-05-2026 12:00 - 13:00 347 MW

22-05-2026 13:00 - 14:00 347 MW

22-05-2026 14:00 - 15:00 347 MW

5. Amount of LTTR remaining after curtailment:

22-05-2026 11:00 - 12:00 78 MW

22-05-2026 12:00 - 13:00 69 MW

22-05-2026 13:00 - 14:00 68 MW

22-05-2026 14:00 - 15:00 91 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.