Call 0800 917 7111 - you will be presented with the following options:
If you are a shipper select option 1 (this is gas only)
If you require an update on an existing call select option 2 (electricity
If you wish to log a new information system related call select option 4(electricity / gas)
Overseas callers should use +44
1793 795591 to contact the helpdesk
The National Grid helpdesk is
open 24 hours a day each day of the year for reporting IT issues.
Call 0870 010 6950
queries relating to National Grid will be forwarded by Elexon and actioned
within normal office hours.