Please note that as part of our annual programme of Disaster Recovery and Resilience Testing, maintenance activities to the Gemini system have been scheduled for 24 and 25 July 2010 during the times listed below.

Saturday, 24 July 2010: 04:15am - 11:15am 
Sunday,   25 July 2010: 04:00am - 11:00am

As a result of the above the following set of reports in the Operational Data section of the National Grid website will be affected and updated after the planned maintenance period.

* Capacity Daily Reports (Within Day ): Daily Auction Summary Report (DASW)
* Capacity Daily Reports (After Day ):Capacity Availability Report (NORD07)
* Energy Daily Reports ( Pre Day /Within Day ): System Nomination Balance (NB05)

We apologise for any inconvenience this may cause and we will keep you informed of any changes to the above programme.