Glossary

Update to the submission of MDD Plan for Ofgem’s TCR

Find out the latest updates for 18 January 2021 regarding the submission of Market Domain Data (MDD) Plan for Ofgem’s Targeted Charging Review (TCR).

Industry testing confirmed for w/c 8 February 2021

We can confirm that industry testing, in support our continuing work to progress large scale change to Market Domain Data (MDD) sets for Ofgem’s Targeted Charging Review (TCR), will now take place between 10 February 2021 to the 23 February 2021.

The testing is expected to take a day or two.

Thank you to everyone who has registered their interest in participating in testing. If you haven’t yet but would like to, please contact [email protected].

Industry testing workshop

A workshop to explain industry testing in more detail took place on Monday 25 January 2021. 

January data published on 13 January 2021

On 13 January 2021 we published a large Market Domain Data (MDD) set, which includes several of the Distributed Network Operator (DNO) changes required to meet Ofgem’s Targeted Charging Review (TCR) requirements. The data set includes the TCR changes for the remaining Host Distributed Network Operators DNOs and includes 13 out of 14 Grid Supply Point (GSP) Groups.

This data set will go live on 20 January 2021.

If you experience any unexpected system issues, or have questions relating to the January data set, please contact us at [email protected].

December data set went live on 16 December 2020

We published the December MDD data set on Wednesday 9 December 2020, which went live on Wednesday 16 December 2020. This published data set did not contain any TCR changes. We will continue to monitor the progress of the MDD published for December and listen to feedback from parties.

If you experienced any unexpected system issues, please contact us at [email protected] so we can investigate.

IDNO Change Requests

We will continue to validate Independent Distribution Network Operator (IDNO) Change Requests for the time being, and will seek approval from the SVG to progress these after we have completed industry testing.

IDNO workshop to discuss progress and timescales

On Monday 14 December 2020 we held a workshop with IDNOs to discuss the number of LLFC combinations being requested, and to explain how the MDD processes and timescales work.

We will continue to supporting the IDNOs with their submissions following this workshop.

Latest Panel update

On 10 December 2020 we provided the BSC Panel with an update on progress with regards to the changes to Market Domain data, as well as the associated risks and mitigations, and proposed next steps.

The Panel paper provides further information.

More about MDD changes

Find out more about the large scale changes to MDD based on Ofgem’s TCR.

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