Capacity Curtailment on the AT-IT border for delivery day 21/03/2021

1.       TSO(s) *: 

Swissgrid,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:

Austria to Italy

21/03/2021  

10:00 - 11:00 60 MW
11:00 – 12:00 60 MW
15:00 – 16:00 60 MW
16:00 – 17:00 60 MW

5.Amount of LTTR remaining after curtailment:

Austria to Italy

21/03/2021  

10:00 - 11:00 47 MW
11:00 – 12:00  51 MW
15:00 – 16:00 51 MW
16:00 – 17:00 36 MW
 

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

For period

10:00 - 11:00 47 MW

11:00 – 12:00  51 MW

Reduction due to the following overloaded element(s): Lienz-Soverzene (137,8%)

For period

15:00 – 16:00 51 MW

16:00 – 17:00 36 MW

Reduction due to an incorrect calculation of the Coreso d-2; Terna entered the previously programmed NTC values.

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