IT notices: BM planned outage on 11 December 2018

What is happening?

We have been notified by National Grid that there will be a Balancing Mechanism (BM) planned outage between 10:10 to 13:40 (GMT) on Tuesday 11 December 2018.

The BM outage will impact most of the data published on the Balancing Mechanism Reporting Service (BMRS). Updates for the outage status will be posted on the System Warning page on the BMRS, before and after the planned outage.

How will I be impacted?

National Grid has advised us that the planned outage will affect Electronic Data Transfer (EDT), Electronic Data Logging (EDL), Balancing Services Adjustment Data (BSAD) and Market Operation Data Interface System (MODIS) communications. They have asked Parties to note that, from the start of the planned outage, Control Points should not use EDT or EDL, as this will result in re-declarations being rejected with a R999 error message. Likewise, when the systems are returning, re-declarations should not be submitted (although the EDL link may appear available) until a notification is issued confirming the end of the planned outage. During the planned outage, balancing actions will be carried out by verbal instructions to the control points.

As the MODIS system relies on BM information, the De-Rated Margin (DRM) and Loss of Load Probability (LoLP) files will not be sent and the remaining files will be queued until after the outage.
The flow of BSAD (both DISBSAD and NETBSAD) to BSC Central Services will also be disrupted during this period and though the half hourly indicative Settlement calculations will continue they will use default data. The BMRS will not re-run indicative Settlement calculations on any impacted Settlement periods following the completion of this planned outage.

Furthermore, during the outage, the BMRS data normally received from National Grid will not be updated via the BMRS Website, APIs, Data Push Service and TIBCO. This includes REMIT and European Transparency Regulation (ETR) data sent from National Grid’s MODIS system and as a result, there will be a delay for BMRS in sending ETR to ENTSO-e Transparency Platform from BMRS.
Only Parties who currently submit their REMIT data via ELEXON Portal will not be impacted by this outage and the data will continue to be published on BMRS as normal.

Is there anything else I need to know?

No, however any BSC Parties with questions for National Grid regarding this planned outage should phone 0800 917 7111 or 0800 085 4806. Overseas callers should use +44 870 521 6121 and quote “NETA EDT”.

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