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Capacity Curtailment on the BG-GR border for delivery period 14-09-2025

Published:

1. TSO(s)*:

HTSO-TSO

2. Identification of affected Long Term Transmission Rights:

BG-GR

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

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

14-09-2025 09:00 - 10:00 800 MW

14-09-2025 10:00 - 11:00 800 MW

14-09-2025 11:00 - 12:00 800 MW

14-09-2025 12:00 - 13:00 800 MW

14-09-2025 13:00 - 14:00 800 MW

14-09-2025 14:00 - 15:00 800 MW

5. Amount of LTTR remaining after curtailment:

14-09-2025 09:00 - 10:00 482 MW

14-09-2025 10:00 - 11:00 389 MW

14-09-2025 11:00 - 12:00 389 MW

14-09-2025 12:00 - 13:00 389 MW

14-09-2025 13:00 - 14:00 389 MW

14-09-2025 14:00 - 15:00 482 MW

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

Voltage stability issue on the Greek Electrical system. In addition, it is expected extremely low demand which leads to lack of reserve, low system inertia conditions and as a result requires a minimum number of power plants on the grid.

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.