System Warnings
Warning Date/Time
(GMT)
Warning Text
2021-01-13 11:10From : Power System Manager - National Grid Electricity Control Centre NOTIFICATION CANCELLATION of GB TRANSMISSION SYSTEM WARNING The GB Transmission System Warning ELECTRICITY MARGIN NOTICE issued for the period from 15:00 hrs to 19:00 hrs on Wednesday 13/01/2021 has been cancelled The following GB Transmission System Warnings remain in force . . . Notification Issued at 11:00 hrs on 13/01/2021 Issued by Stephen Heather National Grid Electricity Control Centre
2021-01-12 16:34From : Power System Manager - National Grid Electricity Control Centre ELECTRICITY MARGIN NOTICE An ELECTRICITY MARGIN NOTICE has been issued by the System Operator to encourage market actions to increase System Margins. For the period: from 15:00 hrs to 19:00 hrs on Wednesday 13/01/2021 There is a reduced system margin. System margin shortfall 1150 MW Maximum Generation Service may be instructed. Trading Points, Control Points and Externally interconnected System Operators are requested to notify National Grid of any additional MW capacity. Suppliers please advise National Grid of any additional Demand Control available The situation will be reviewed again by National Grid at 11:00 hours and an update issued. This Notification of Issue of a GB Transmission System Warning - ELECTRICITY MARGIN NOTICE Issued at 16:30 hrs on 12/01/2021 Issued by Pat Stewart National Grid Electricity Control Centre ************** Information Note:- As the System Operator, National Grid are responsible for balancing the electricity system in the final hours before real-time. We have a number of routine tools we can use to help us do this, this toolkit includes ELECTRICITY MARGIN NOTICES. An ELECTRICITY MARGIN NOTICE is used to send a signal to the electricity market. It highlights that, in the short-term, we would like a greater safety cushion (margin) between power demand and available supply. It does not signal that blackouts are imminent or that there is not enough generation to meet current demand.
info

System Warnings are messages published by the System Operator to inform all involved parties of important information concerning operational and commercial issues. For example, System Warnings are used to notify a shortfall in electricity margins (Electricity Margin Notice), Demand Control Warnings, IT System Outages or Failures, Risk ... Show More