SEC v79.0 published for the November 2023 SEC Release

2 November 2023

SEC version 79.0 came into effect on 2 November 2023 to implement the November 2023 SEC Release. This includes 6 Modification Proposals.


What modifications were implemented?

ModificationStatusDCC System impact?
MP122B 'Operational Metrics – Part 2'ApprovedYes
MP216 'Incorporation of Category 2 Issue Resolution Proposals into the SEC – Batch 9'ApprovedYes
MP226 'Incorporation of Category 3 Issue Resolution Proposals into the SEC - Batch 10'ApprovedNo
MP245 'SMKI Document Set Changes 2023'ApprovedNo
MP249 'Housekeeping Changes for the November 2023 SEC Release'ApprovedNo
MP250 'Correction of an error in GBCS'ApprovedNo


What parts of the SEC were affected?

SEC documentAvailable on CodeWorks
Section A ‘Definitions and Interpretation’Yes
Section G ‘Security’Yes
Section H ‘DCC Services’Yes
Section I ‘Data Privacy’Yes
Schedule 8 ‘GB Companion Specification’No
Schedule 9 ‘Smart Metering Equipment Technical Specifications’No
Schedule 11 ‘TS Applicability Tables’Yes
Appendix A 'Device Certificate Policy'No
Appendix B ‘Organisation Certificate Policy’No
Appendix C 'SMKI Compliance Policy'Yes
Appendix D ‘SMKI Registration Authority Policies and Procedures’Yes
Appendix Q 'IKI Certificate Policy'No
Appendix W 'DCCKI Registration Authority Policies and Procedures'Yes
Appendix AG ‘Incident Management Policy’Yes
Appendix AP2 ‘FOC S1SPKI Certificate Policy’No


Where can I access the legal text?

The redlined changes for the documents available on CodeWorks can be found via the links below:


Full marked-up versions of all impacted documents can be downloaded here.


Full marked-up versions of the SEC Technical Specifications for this release can be found on the November 2023 SEC Release page.


Our Document Log lists the versions of each SEC document now in effect following this release.


You can download clean versions of the individual SEC documents from the SEC and Supporting Documents section of our website or via CodeWorks.


Where can I find further information?

If you have any questions, you can call the SECAS Helpdesk at 020 3314 1142 or email