Glossary

Latest Market Domain Data Circulars: October 2021

We issue two Circulars during each Market Domain Data (MDD) Release. These are: Impact Assessment Circulars that informs you of the proposed changes to be included in the next Version of MDD; and a Final Circular that confirms the changes being committed to the next Version of MDD.

Latest Circular

On 13 October 2021 we published MDD Circular 00751 and 00752.

MDD Circular 00751 details the proposed BAU MDD changes to be included in the release of MDD Version 317, and invites Market Participants to perform an impact assessment on these.  

Change Requests to support Ofgem’s Targeted Charging Review (TCR) Significant Code Review (SCR) are being submitted for approval a month in advance, to facilitate the extra time required to process the large volume of TCR changes.

MDD Circular 00752 details the proposed TCR MDD changes to be included in the release of MDD Version 318, and invites Market Participants to perform an impact assessment on these.

Previous Circular

On  6 October 2021 we published MDD Circular 00750.

MDD Circular 00750 details the changes that the Supplier Volume Allocation Group (SVG) approved to be incorporated into Version 316 of MDD.

It also details the MDD changes related to Ofgem’s Targeted Charging Review (TCR) that the SVG approved to be incorporated into Version 317 of MDD. These have been approved a month in advance, to facilitate the extra time required to process the large volume of TCR changes.

All MDD Circulars

Market Domain Data (MDD) Circulars are sent out in accordance with BSCP509 ‘Changes to Market Domain Data’. Circulars are sent to Market Participants. See a list of previous circulars using the link below.

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