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ELEXON Circulars

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(Showing items 91-100 of 171)

EL02660: Defaulting of Teleswitch files for 3 to 5 June 2017 [110.2 Kb] Issue Date: 6 June 2017

Due to issues with the Central Teleswitch Control Unit (CTCU), no files were received for Saturday 3 and Sunday 4 June 2017. The file for 5 June was received, but cannot be processed as the file for 4 June was missing.

EL02659: Update: Defaulting of Teleswitch file for Settlement Day 30 May 2017 [110.3 Kb] Issue Date: 31 May 2017

Yesterday 30 May 2017 we issued ELEXON Circular EL02658. We advised that the data files received from the Teleswitch Agent relating to 28 and 29 May 2017 contained a number of anomalies in different regions. The issue in the Central Teleswitch Control Unit (CTCU) system has now been fixed but the data for Settlement Day 30 May 2017 is required to be defaulted due to the Supplier Volume Allocation Agent (SVAA) system’s rules.

This system rule is being investigated.

EL02658: Defaulting of Teleswitch file for Settlement Days 28 May 2017 and 29 May 2017 [110.8 Kb] Issue Date: 30 May 2017

No switching data were received on the 28 and 29 May 2017 for South Scotland region (Teleswitch User 13) for two Teleswitch Groups.

EL02657: Planned downtime on National Grid Energy Forecasting System (EFS) on 31 May and 2 June 2017 [109.6 Kb] Issue Date: 30 May 2017

National Grid has advised us that they are carrying out a routine planned disaster recovery exercise on the Energy Forecasting System (EFS). This will result in the temporary interruption of the following European Transparency Regulation (ETR) reports generated from EFS; Actual Total Load (B0610) and Actual Aggregated Generation Per Type (B1620). The expected interruptions will take place between 17:00 – 22:00 on Wednesday 31 May and between 17:00 – 22:00 on Friday 2 June 2017.

EL02656: Planned TIBCO maintenance on Wednesday 24 May 2017 [104.8 Kb] Issue Date: 22 May 2017

There will be a period of planned maintenance for the TIBCO messaging service which will take place between 19:00 (BST) and 20:00 (BST) on Wednesday 24 May 2017.

EL02655: Planned National Grid outage affecting data provision on BMRS website today 19 May 2017 [108.6 Kb] Issue Date: 19 May 2017

We have been notified by National Grid that there will be a planned outage affecting Balancing Services Adjustment Data (BSAD) information provision between 12:00 (BST) and 14:00 (BST) today, Friday 19 May 2017.

EL02654: Resolved: Delay in receipt and publication of data on BMRS [104.4 Kb] Issue Date: 17 May 2017

Further to ELEXON Circular EL02653, the BMRS is now fully updated and processing files as expected.

We have identified the root cause and taken the necessary corrective action and consider this issue to be resolved.

EL02653: Further update: Delay in receipt and publication of data on BMRS [105.7 Kb] Issue Date: 17 May 2017

Further to ELEXON Circular EL02652, we are now processing the backlog of files from National Grid on the BMRS.

However, we do expect the BMRS to be fully updated by approximately 10:30 (BST).

We are continuing to review the root cause of this issue and will provide further updates when we are able.

EL02652: Update: Delay in receipt and publication of data on BMRS [105.3 Kb] Issue Date: 17 May 2017

Further to ELEXON Circular EL02651, we are continuing to liaise with National Grid in order to resolve the delay in receipt and publication of data on BMRS.

EL02651: Delay in receipt and publication of data on BMRS [104.1 Kb] Issue Date: 16 May 2017

Further to BSC Bulletin 268, we are currently liaising with National Grid in order to understand the root cause of the issue.

We may experience further intermittent delays publishing data on the BMRS until this matter is resolved.