Please note that due to essential maintenance work being carried out, users may witness a short disruption to the following set of Energy Daily Reports within the Operational Data section of the National Grid website.

System Status Information (NB92)
Aggregate Physical NTS  System Entry Flows (NTSAPF)
End Of Day Aggregate Forecast NTS System Entry Flows (NTSAFF)
Forecast Demands (SISR03)

The work is scheduled between 19:15 to 23:15.

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