System Warnings
Warning Date/Time
(GMT)
Warning Text
2022-11-29 17:42From: Power System Manager - National Grid Electricity Control Centre LEAD PARTY MANIFEST ERROR CLAIM NOTIFICATION A Manifest Error Claim has been raised by NEAS Energy Ltd in relation to an accepted Bid for BM Unit MCNDL001 for Settlement Period 26 on 29/11/2022. The affected Bid price is 9999. COMMENTS: Also includes other bids in settlement periods 27 & 28 for same price Notification Issued at 17:43 hours 29/11/2022 Issued by Simon Williams National Grid Electricity Control Centre
2022-11-29 17:40From: Power System Manager - National Grid Electricity Control Centre LEAD PARTY MANIFEST ERROR CLAIM NOTIFICATION A Manifest Error Claim has been raised by NEAS Energy Ltd in relation to an accepted Bid for BM Unit ACNDL001 for Settlement Period 26 on 29/11/2022. The affected Bid price is 9999. COMMENTS: Also includes other bids in settlement periods 27 & 28 for same price Notification Issued at 17:40 hours 29/11/2022 Issued by Simon Williams National Grid Electricity Control Centre
2022-11-29 16:29From: Power System Manager - National Grid Electricity Control Centre NATIONAL GRID NOTIFICATION - DEMAND FLEXIBILTY SERVICE. DFS Tests have been instructed for tomorrow Wednesday 30/11/2022 between 17:30 and 18:30. Times in GMT The maximum demand reduction volume during this period is 158 MW. This will be System Tagged. For full details see the ESO Data Portal at https://data.nationalgrideso.com/data-groups/dfs. Notification Issued at 16:30 hours on 29/11/2022. Issued by Simon Williams National Grid Electricity National Control Centre.
2022-11-29 14:29From: Power System Manager - National Grid Electricity Control Centre NATIONAL GRID NOTIFICATION - DEMAND FLEXIBILTY SERVICE. DFS Tests have been initiated for tomorrow Wednesday 30/11/2022 between 17:30 and 18:30. 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/data-groups/dfs. Notification Issued at 14:30 hours on 29/11/2022. Issued by Simon Williams National Grid Electricity National Control Centre.
2022-11-29 10:00From: Power System Manager - National Grid Electricity Control Centre NATIONAL GRID NOTIFICATION - DEMAND FLEXIBILTY SERVICE. DFS Tests are scheduled for tomorrow Wednesday 30/11/2022 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/data-groups/dfs. Notification Issued at 10:00 hours on 29/11/2022. Issued by Natsa Dinic National Grid Electricity National Control Centre.
2022-11-28 14:04Electricity Capacity Market Notice Cancelled Posted by National Grid Electricity System Operator at 14:04 on 28/11/2022 The Capacity Market Notice originally active from 13:33 on 28/11/2022 has been cancelled from 14:04 on 28/11/2022
2022-11-28 13:33Electricity Capacity Market Notice Currently Active Posted by National Grid Electricity System Operator at 13:33 on 28/11/2022 Commencement time of notice : 13:33 on 28/11/2022 Circumstances that triggered notice : Margin below threshold set out in capacity Market Rules Transmission Demand and Operating Margin (MW) : 38338 Aggregate Capacity of BM Units expected (MW) : 38784 Additional Capacity (MW) : No definitive information regarding additional capacity is currently available to the Electricity System Operator Capacity Market participants are advised to review the System Warnings page on BMRS for potential operational warnings from the Electricity System Operator. This notice is published pursuant to Rule 8.4.6 / 11.3.5 of the Capacity Market Rules Participants are also advised to pay close attention to De-rated Margin (DRM) information on the BMRS website that will be updated 3 times (4-hour, 2 hour and 1 hour ahead) in advance of the commencement time of this Capacity Market Notice. For further information, please contact emr@nationalgrideso.com and see the FAQ at https://gbcmn.nationalgrideso.com/faq
2022-11-28 10:04From: 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 29/11/2022 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 10:00 hours on 28/11/2022. Issued by Natasa Dinic National Grid Electricity National Control Centre.
2022-11-23 11:25From: 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 SEPD DNO�s area due to commence at 11:30. It is anticipated demand will reduce by approximately 90 MW and will be fully restored by 13:00. Notification Issued at 11:25 hours on 23/11/2022. Issued by Natasa Dinic 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