System Warnings
Warning Date/Time
(GMT)		Warning Text
2023-01-29 16:30From: Power System Manager - National Grid Electricity Control Centre NATIONAL GRID NOTIFICATION - DEMAND FLEXIBILTY SERVICE. DFS Tests have been instructed for tomorrow Monday 30/01/2023 between 09:00 and 10:00. Times in GMT The maximum demand reduction volume during this period is 189 MW. This will be System Tagged. For full details see the ESO Data Portal at https://data.nationalgrideso.com/dfs/demand-flexibility-service-test-events. Notification Issued at 16:30 hours on 29/01/2023. Issued by Patrick Stewart National Grid Electricity National Control Centre.
2023-01-29 14:30From: Power System Manager - National Grid Electricity Control Centre NATIONAL GRID NOTIFICATION - DEMAND FLEXIBILTY SERVICE. DFS Tests have been initiated for tomorrow Monday 30/01/2023 between 09:00 and 10:00. Times in GMT The maximum demand reduction volume during this period is expected to be 250 MW. This will be System Tagged. For full details see the ESO Data Portal at https://data.nationalgrideso.com/dfs/demand-flexibility-service-test-events. Notification Issued at 14:30 hours on 29/01/2023. Issued by Patrick Stewart National Grid Electricity National Control Centre.
2023-01-29 09:59From: Power System Manager - National Grid Electricity Control Centre NATIONAL GRID NOTIFICATION - DEMAND FLEXIBILTY SERVICE. DFS Tests are scheduled for tomorrow Monday 30/01/2023 This is an indication that DFS Service Requirements might be published today at 14:30 for Providers being tested. Tests will be System Tagged. For full details see the ESO Data Portal at https://data.nationalgrideso.com/dfs/demand-flexibility-service-test-events. Notification Issued at 10:00 hours on 29/01/2023. Issued by Patrick Stewart National Grid Electricity National Control Centre.
2023-01-26 11:18From : Power System Manager - National Grid Electricity Control Centre NATIONAL GRID NOTIFICATION Nature of Notification NATIONAL GRID NOTIFICATION - WINTER COAL CONTRACTS National Grid has cancelled the following BM Start-Up Instruction. Cancellation issued: 26/01/2023 11:08. BMU ID: DRAXX-5 . . . . . . . . . Notification Issued at 11:18 hrs on 26/01/2023 Issued by Colin Stelfox National Grid Electricity Control Centre.
2023-01-26 11:15From : Power System Manager - National Grid Electricity Control Centre NATIONAL GRID NOTIFICATION Nature of Notification NATIONAL GRID NOTIFICATION - WINTER COAL CONTRACTS National Grid has cancelled the following BM Start-Up Instruction. Cancellation issued: 26/01/2023 11:07. BMU ID: DRAXX-6 . . . . . . . . . Notification Issued at 11:15 hrs on 26/01/2023 Issued by Colin Stelfox National Grid Electricity Control Centre.
2023-01-26 05:13From : Power System Manager - National Grid Electricity Control Centre NATIONAL GRID NOTIFICATION Nature of Notification WINTER COAL CONTRACTS National Grid has cancelled the following BM Start -Up Instruction. Cancellation Issued: 26/01/2023 04:58 BMU ID: WBUPS-2 Notification Issued at 04:58 hrs on 26/01/2023 Issued by Brendan Lyons National Grid Electricity Control Centre.
2023-01-26 00:15From : Power System Manager - National Grid Electricity Control Centre NATIONAL GRID NOTIFICATION Nature of Notification NATIONAL GRID NOTIFICATION - WINTER COAL CONTRACTS National Grid has issued the following BM Start-Up Instruction. Instruction issued 25/01/2023 23:46. BMU ID WBUPS-2 Estimated Capacity 400MW. Earliest Sync Time 26/01/2023 07:20 System Flag Start-up Price: �0/hr Start-up Cost:�0 Notification Issued at 23:48 hrs on 25/01/2023 Issued by Brendan Lyons National Grid Electricity Control Centre.
2023-01-26 00:10From : Power System Manager - National Grid Electricity Control Centre NATIONAL GRID NOTIFICATION Nature of Notification NATIONAL GRID NOTIFICATION - WINTER COAL CONTRACTS National Grid has issued the following BM Start-Up Instruction. Instruction issued 25/01/2023 23:48. BMU ID DRAXX-6 Estimated Capacity 570MW. Earliest Sync Time 26/01/2023 11:55 System Flag Start-up Price: �0/hr Start-up Cost:�0 Notification Issued at 23:48 hrs on 25/01/2023 Issued by Brendan Lyons National Grid Electricity Control Centre.
2023-01-26 00:05From : Power System Manager - National Grid Electricity Control Centre NATIONAL GRID NOTIFICATION Nature of Notification NATIONAL GRID NOTIFICATION - WINTER COAL CONTRACTS National Grid has issued the following BM Start-Up Instruction. Instruction issued 25/01/2023 23:50. BMU ID DRAXX-5. Estimated Capacity 570MW. Earliest Sync Time 26/01/2023 12:25 System Flag Start-up Price: �0/hr Start-up Cost:�0 Notification Issued at 23:50 hrs on 25/01/2023 Issued by Brendan Lyons National Grid Electricity Control Centre.
2023-01-25 18:29A request for Emergency Assistance has been agreed on a GB connected Interconnector. The requesting party was NGESO. GB net flow will decrease by 300 MW between 18:00 25/01/2023 to 19:00 25/01/2023. Issued by Natasa Dinic at 18:29 on 25/01/2023
2023-01-25 16:58A request for Emergency Assistance has been agreed on a GB connected Interconnector. The requesting party was NGESO. GB net flow will decrease by 300 MW between 17:00 25/01/2023 to 18:00 25/01/2023. Issued by Natasa Dinic at 16:57 on 25/01/2023
2023-01-25 16:27A request for Emergency Assistance has been agreed on a GB connected Interconnector. The requesting party was NGESO. GB net flow will decrease by 500 MW between 16:00 25/01/2023 to 17:00 25/01/2023. Issued by Natasa Dinic at 16:26 on 25/01/2023
2023-01-25 15:23A request for Emergency Assistance has been agreed on a GB connected Interconnector. The requesting party was NGESO. GB net flow will decrease by 500 MW between 15:00 25/01/2023 to 16:00 25/01/2023. Issued by Natasa Dinic at 15:20 on 25/01/2023
2023-01-25 13:39A request for Emergency Assistance has been agreed on a GB connected Interconnector. The requesting party was NGESO. GB net flow will decrease by 500 MW between 13:34 25/01/2023 to 15:00 25/01/2023. Issued by Ian Bennett at 13:39 on 25/01/2023
2023-01-25 06:42NGESO has requested a Transmission Owner discontinue an outage within relevant Emergency Return to Service time, under STC Section C Part 2 (7). Issued by Brendan Lyons at 06:31 on 25/01/2023
2023-01-24 09:26NGESO has requested a Transmission Owner discontinue an outage within relevant Emergency Return to Service time, under STC Section C Part 2 (7). Issued by Natasa Dinic at 07:55 on 24/01/2023
2023-01-24 04:40From : Power System Manager - National Grid Electricity Control Centre NATIONAL GRID NOTIFICATION Nature of Notification NATIONAL GRID NOTIFICATION - WINTER COAL CONTRACTS. National Grid has cancelled the following BM Start-Up Instruction. Cancellation issued: 24/01/2023 04:30. BMU ID: DRAXX-5 Notification Issued at 04:40 hrs on 24/01/2023 Issued by Brendan Lyons National Grid Electricity Control Centre.
2023-01-24 04:21From : Power System Manager - National Grid Electricity Control Centre NATIONAL GRID NOTIFICATION Nature of Notification NATIONAL GRID NOTIFICATION - WINTER COAL CONTRACTS. National Grid has cancelled the following BM Start Up Instruction. Cancellation issued 24/01/2023 04:05 BMU ID:DRAXX-6 Notification Issued at 04:21 hrs on 24/01/2023 Issued by Brendan Lyons National Grid Electricity Control Centre.
2023-01-24 02:57From : Power System Manager - National Grid Electricity Control Centre NATIONAL GRID NOTIFICATION Nature of Notification NATIONAL GRID NOTIFICATION - WINTER COAL CONTRACTS. National Grid has cancelled the following BM Start up Instruction. Cancellation Issued: 24/01/2023 02:37. BMU ID: WBUPS-2 Notification Issued at 02:56 hrs on 24/01/2023 Issued by Brendan Lyons National Grid Electricity Control Centre.
2023-01-23 17:37From : Power System Manager - National Grid Electricity Control Centre NATIONAL GRID NOTIFICATION Nature of Notification . Issue of BM Start-Up Instruction. National Grid has issued the following BM Start-Up Instruction. Instruction issued: 23/01/2023 17:01 BMU ID: WBUPS-2 Estimated Capacity: 400MW Earliest sync time: 24/01/2023 04:50. System Flag. Start-Up Price: �0/hr Start-Up Cost �0 . . . . . . Notification Issued at 17:37 hrs on 23/01/2023 Issued by Ben Young National Grid Electricity Control Centre.
2023-01-23 17:30From : Power System Manager - National Grid Electricity Control Centre NATIONAL GRID NOTIFICATION Nature of Notification . Issue of BM Start-Up Instruction. National grid has issued the following BM Start-Up Instruction. Instruction issued: 23/01/2023 16:55 BMU ID: DRAXX-5 Estimated Capacity: 570MW Earliest sync time: 24/01/2023 04:55. System Flag. Start-Up Price: �0/hr Start-Up Cost �0 . . . . . . Notification Issued at 17:30 hrs on 23/01/2023 Issued by Ben Young National Grid Electricity Control Centre.
2023-01-23 17:28From : Power System Manager - National Grid Electricity Control Centre NATIONAL GRID NOTIFICATION Nature of Notification A correction to the previous notification. Issue of BM Start-Up Instruction. National grid has issued the following BM Start-Up Instruction. Instruction issued: 23/01/2023 16:25 BMU ID: DRAXX-6 Estimated Capacity: 570MW Earliest sync time: 24/01/2023 04:25. System Flag. Start-Up Price: �0/hr Start-Up Cost �0 . . . . . . Notification Issued at 17:27 hrs on 23/01/2023 Issued by Ben Young National Grid Electricity Control Centre.
2023-01-23 17:08From: Power System Manager - National Grid Electricity Control Centre NATIONAL GRID NOTIFICATION - DEMAND FLEXIBILTY SERVICE. DFS have been instructed for tomorrow Tuesday 24/01/2023 between 16:30 and 18:00. Times in GMT The maximum demand reduction volume during this period is 327 MW. This will be Energy Tagged. For full details see the ESO Data Portal at https://data.nationalgrideso.com/data-groups/dfs. Notification Issued at 17:08 hours on 23/01/2023. Issued by Ben Young National Grid Electricity National Control Centre.
2023-01-23 16:39From : Power System Manager - National Grid Electricity Control Centre NATIONAL GRID NOTIFICATION Nature of Notification From: Power System Manager - National Grid Electricity Control Centre Issue of BM Start-Up Instruction. National Grid has issued the following BM Start-Up instruction. Instruction issued: 23/01/2023 BMU ID: DRAXX-6 Estimated capacity: 570MW. Earliest sync time: 24/01/2023 04:25. Energy Flag System Start Up Price: �0/hr. Start-Up Cost: �0 . . . . . . Notification Issued at 16:39 hrs on 23/01/2023 Issued by Ben Young National Grid Electricity Control Centre.
2023-01-23 14:58From: Power System Manager - National Grid Electricity Control Centre NATIONAL GRID NOTIFICATION - DEMAND FLEXIBILTY SERVICE. A DFS Service Requirement has been published for tomorrow Tuesday 24/01/2023 between 16:30 and 18:00. Times in GMT The maximum demand reduction volume requested in this period is 341 MW. This will be Energy Tagged. For full details see the ESO Data Portal at https://data.nationalgrideso.com/data-groups/dfs. Notification Issued at 14:58 hours on 23/01/2023. Issued by Ben Young National Grid Electricity National Control Centre.
2023-01-23 10:21From: Power System Manager - National Grid Electricity Control Centre NATIONAL GRID NOTIFICATION - DEMAND FLEXIBILTY SERVICE. An Anticipated DFS Requirement Notice has been published for tomorrow Tuesday 24/01/2023 This is an indication that a DFS Service Requirement might be published today at 14:30. This will be Energy Tagged. For full details see the ESO Data Portal at (https://data.nationalgrideso.com/data-groups/dfs). Notification Issued at 10:20 hours on 23/01/2023. Issued by Natasa Dinic National Grid Electricity National Control Centre.
2023-01-22 16:46From: Power System Manager - National Grid Electricity Control Centre NATIONAL GRID NOTIFICATION - DEMAND FLEXIBILTY SERVICE. DFS have been instructed for tomorrow Monday 23/01/2023 between 17:00 and 18:00. Times in GMT The maximum demand reduction volume during this period is 337 MW. This will be Energy Tagged. For full details see the ESO Data Portal at https://data.nationalgrideso.com/data-groups/dfs. Notification Issued at 16:45 hours on 22/01/2023. Issued by Peter Chandler National Grid Electricity National Control Centre.
2023-01-22 15:10From: Power System Manager - National Grid Electricity Control Centre NATIONAL GRID NOTIFICATION - DEMAND FLEXIBILTY SERVICE. A DFS Service Requirement has been published for tomorrow Monday 23/01/2023 between 17:00 and 18:00. Times in GMT The maximum demand reduction volume requested in this period is 336 MW. This will be Energy Tagged. For full details see the ESO Data Portal at https://data.nationalgrideso.com/data-groups/dfs. Notification Issued at 15:10 hours on 22/01/2023. Issued by Peter Chandler National Grid Electricity National Control Centre.
2023-01-22 09:59From : Power System Manager - National Grid Electricity Control Centre NATIONAL GRID NOTIFICATION Nature of Notification DEMAND FLEXIBILITY SERVICE DFS Tests are scheduled for tomorrow, Monday 23/01/2023 between 12:00 - 13:00GMT. This is an indication that DFS Service Requirements might be published today at 14:30 for Providers being tested. Tests will be System Tagged. For full details see the ESO Data Portal at : https://data.nationalgrideso.com/ dfs/demand-flexibility-service-test-events. Notification Issued at 10:00 hrs on 22/01/2023 Issued by Peter Chandler National Grid Electricity 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