Capacity Calculation on the South-Western Europe region involves REE, REN and RTE TSOs. Grid specificities within this area require to consider HVDC and FACTs management, re-dispatching as remedial action, voltage and angle constraint for example.

In addition, REN and REE need to consider GSK based on Merit Order. Taking all this into consideration lead the TSOs to choose an ATC based capacity calculation methodology. Coreso, as capacity calculator, will use its Remedial Action Optimizer to find out the most suitable preventive and curative remedial actions to be applied depending on the cross-border exchanges. 

Approval package will be submitted before summer to NRAs, parallel run will be performed by Coreso daily on 24 timestamps before end of the year.