System Warnings
Warning Date/Time
(GMT)
Warning Text
2023-10-04 09:30From: Power System Manager - National Grid Electricity Control Centre NATIONAL GRID NOTIFICATION - DEMAND CONTROL BY VR TEST. There will be a short duration localised voltage control test initiated within Scottish Hydro Electricity Power Distribution (SHEPD) DNO�s area due to commence on 04/10/2023 at 11:00. It is anticipated demand will reduce by approximately 15 MW and will be fully restored by 13:00. Notification Issued at 10:30 hours on 04/10/2023. Issued by Gavin Brown National Grid Electricity National Control Centre.
2023-10-03 10:15From: Power System Manager - National Grid Electricity Control Centre NATIONAL GRID NOTIFICATION - DEMAND CONTROL BY VR TEST. There will be a short duration localised voltage control test initiated within Scottish Hydro Electricity Power Distribution (SHEPD) DNO�s area due to commence on 04/10/2023 at 11:00. It is anticipated demand will reduce by approximately 15 MW and will be fully restored by 13:00. Notification Issued at 11:15 hours on 03/10/2023. Issued by Peter Chandler National Grid Electricity National Control Centre.
2023-09-29 09:10From : Power System Manager - National Grid Electricity Control Centre NATIONAL GRID NOTIFICATION Nature of Notification Planned testing between National Gird ESO (NGESO) & Statnett will be conducted today on the NSL interconnector. Between 10:30BST and 14:30BST there will be three instances of a delta decrease of 20MW from commercially nominated flows. Each testing period will last approximately 20 mins. Notification Issued at 10:10 hrs on 29/09/2023 Issued by Stephen Curtis National Grid Electricity Control Centre.
2023-09-28 13:49From: Power System Manager - National Grid Electricity Control Centre NATIONAL GRID NOTIFICATION - BALANCING MECHANISM IT SYSTEMS PLANNED OUTAGE To All Balancing Mechanism (BM) System Users Please be advised that the planned BM outage (including server changeover) was successfully completed today (28/09/2023) at 14:35. Contact: 0800 917 7111 or 0800 085 4806 Overseas contact: +44 870 521 6121 quoting NETA EDT Issued at 14:50 hours on 28/09/2023. Issued by Natasa Dinic National Grid Electricity National Control Centre.
2023-09-28 08:19From: Power System Manager - National Grid Electricity Control Centre NATIONAL GRID NOTIFICATION - BALANCING MECHANISM IT SYSTEMS PLANNED OUTAGE To All Balancing Mechanism (BM) System Users As previously advised, the planned BM outage will start today (28/09/2023) at 10:10 until 15:40. This will affect EDT, EDL and BSAD and will incur a server changeover. All Trading Points must notify their Control Points (CP) of the outage and ensure they are prepared to take telephone instructions or submit dynamic data changes by telephone to the ENCC. NOTE: from the start of the outage CPs should not use EDL until they receive notification of completion of the outage. Any EDL re-declarations will be rejected with an error message (R999). Similarly, when the systems are returning, the EDL link may appear available but will not be. Further updates will be via BMRS. Contact: 0800 917 7111 or 0800 085 4806 Overseas contact: +44 870 521 6121 quoting NETA EDT Issued at 09:19 hours on 28/09/2023. Issued by Simon Williams National Grid Electricity National Control Centre.`
2023-09-27 09:06From: Power System Manager - National Grid Electricity Control Centre NATIONAL GRID NOTIFICATION - BALANCING MECHANISM IT SYSTEMS PLANNED OUTAGE To All Balancing Mechanism (BM) System Users There will be a planned BM outage from 10:10 to 15:40 on 28/09/2023 which will affect EDT, EDL and BSAD communications and will incur a server changeover. All Trading Points must notify their Control Points (CP) of the outage and ensure they are prepared to take telephone instructions or submit dynamic data changes by telephone to the ENCC. NOTE: from the start of the outage CPs should not use EDL until they receive notification of completion of the outage. Any EDL re-declarations will be rejected with an error message (R999). Similarly, when the systems are returning, the EDL link may appear available but will not be. Further updates will be via BMRS and the outage will be confirmed with users via BMRS just before the start. Contact: 0800 917 7111 or 0800 085 4806 Overseas contact: +44 870 521 6121 quoting NETA EDT Issued at 10:07 hours on 27/09/2023 Issued by Simon Williams National Grid Electricity National Control Centre.
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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