The tolerance levels provided by the TSO for the transmission service for which no specific fees are charged are the following:
- 5% - 7% (depending upon the type of the entry/exit points) for exceeding booked capacity;
- 3% for the absolute value of the non-observance of the approved nomination;
- 2,5% for the absolute value of the final daily imbalance;
- +/-2,5% for the final cumulative imbalance.
TSO does not provide flexibility levels.