Capacity Curtailment on the AT-IT border for delivery day 23/03/2020

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1. TSO(s) *: TERNA

2. Identification of affected Long Term Transmission Rights

Austria to Italy

3. Triggering event :

☒Curtailment to ensure operation remains within Operational Security Limits
☐Curtailment due to Force Majeure
☐Curtailment due to emergency situation

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

5. Austria to Italy

23/03/2020

§ 01:00 – 02:00 178 MW

§ 02:00 – 03:00 178 MW

§ 03:00 – 04:00 178 MW

§ 04:00 – 05:00 178 MW

6. Amount of LTTR remaining after curtailment :

7. Austria to Italy

23/03/2020

§ 01:00 – 02:00 153 MW

§ 02:00 – 03:00 145 MW

§ 03:00 – 04:00 145 MW

§ 04:00 – 05:00 145 MW

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

Voltage stability issue on the Italian Electrical system

9. 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.