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CONTENTS

D0313: Auxiliary Meter Technical Details

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D0313 – Auxiliary Meter Technical Details

Guidance Note

Summary

This note provides guidance to Balance and Settlement Code (BSC) Parties with their obligations regarding transfer of D03131 data flows, outlined in REC Metering Operations Schedule.

What is D0313?

The D0313 data flow is associated with the transfer of Auxiliary Meter Technical Details (MTD) for Non-Half Hourly (NHH) trading. D0313 flows must include, among other details:

“Communications and security information to accompany NHH Meter Technical Details for AMR Meter Types” – Master Registration Agreement Service Company (MRA)

D0313 flows provide for the transfer of security information, notably Level One, Two and Three Passwords. Elexon have noticed a significant number of industry wide non-conformities relating to missing Level Three Passwords in respect of D0313 transfers. This is particularly concerning as Level Three Passwords are required for Meter recalibration and when missing can lead to Meter readings not being collected.

Who provides D0313 flows?

It is the Meter Operating Agent’s (MOA’s) responsibility for the maintenance and transfer of Auxiliary MTDs.

When is the transfer of D0313 flows required?

The transfer of a D0313 flow is required after the MOA has received a D01702, typically following the below events:

    • Change of MOA;

    • Change of Non-Half Hourly Data Collector (NHHDC);

    • Change of Supplier;

    • Concurrent change of MOA and Supplier;

    • Change of connection by Licensed Distribution System Operator (LDSO);

    • Reconfiguration or replacement of Meter; and

    • Change of Measurement Class.

Flow charts summarising REC Metering Operations Schedule Party obligations for the above events are provided in Attachments.

Missing or partially missing Auxiliary MTDs?

In the event of D0313 details not being transferred or being incomplete (missing Level Three Passwords, for example), please follow the escalation process outlined below:

    1. Request MTDs from previous MOA;

    2. Request MTDs from installing MOA;

    3. Inform registrant of missing MTDs; and

    4. Inform Elexon of missing MTDs.

Please note that each step in the escalation process should be completed prior to moving on to the next.

Elexon will be monitoring Party performance and expects an auditable evidence trail of the above steps to be made available upon request.

Further Information

For more information please contact the BSC Service Desk or call 0370 010 6950.

Intellectual Property Rights, Copyright and Disclaimer

The copyright and other intellectual property rights in this document are vested in Elexon or appear with the consent of the copyright owner. These materials are made available for you for the purposes of your participation in the electricity industry. If you have an interest in the electricity industry, you may view, download, copy, distribute, modify, transmit, publish, sell or create derivative works (in whatever format) from this document or in other cases use for personal academic or other non-commercial purposes. All copyright and other proprietary notices contained in the document must be retained on any copy you make.

All other rights of the copyright owner not expressly dealt with above are reserved.

No representation, warranty or guarantee is made that the information in this document is accurate or complete. While care is taken in the collection and provision of this information, Elexon Limited shall not be liable for any errors, omissions, misstatements or mistakes in any information or damages resulting from the use of this information or action taken in reliance on it.

1 D0313 ‘Auxiliary Meter Technical Details’

2 D0170 ‘Request for Metering System Related Details’