SEC Version 6.20 Designated

4 November 2019

BEIS designation

Following DCC consultation, BEIS have issued a direction to re-designate the SVTAD for SMETS1 Services and approve a new MTAD, notably in support of alignment of migration and systems integration test approaches for future SMETS1 enrolment capability releases.

The decision letter and direction can be found here.

If you have any questions or would like to discuss this further, please email


MP087 implementation

Additionally, MP087 ‘Correction to SEC Section G – User Responsibilities’ was implemented today, which encompasses changes to SEC Section G ‘User Responsibilities’.


November 2019 SEC Release date – Consequential TSAT changes

Consequential to the updated November 2019 SEC Release date to 29 November 2019, SEC Schedule 11 – ‘Technical Specifications Applicability Tables’ has been amended. Full details of the change of the November 2019 SEC Release date can be found on the About Releases page here.


Where can I find further information?

  • You can download a zip folder containing SEC v6.20 here, or download the individual sections of the SEC from the SEC and Guidance Documents page on our website.
  • The redlining for this designation can be found here.
  • The approved MTAD can also be found on our Developing SEC webpage here.

If you have any questions or would like to discuss these changes to the SEC further, please contact the SEC Change Team on 020 7090 7755 or email