Frequency keeping costs for trading period 31 on 13 December 2011
Two frequency keepers were cleared for trading period 31 on 13 December 2011.
|Stage: I (Enquiry)||Status: Complete||Date commenced: 01/03/2012|
The first frequency keeper covered the beginning of the trading period (15:00) and was replaced by the second frequency keeper at 15:15, due to a security reason.
Both Frequency Keepers were paid a full frequency keeping fee.
We investigated why full payments were made. The system operator has explained that contractual terms for providing the service require full payment unless the frequency keeper was dispatched off within 3 minutes of the start of the period, or it was dispatched on less than 3 minutes before the end of the period.