SEC designation implemented

16 March 2020

An updated version of the SEC came into effect on 16 March 2020 to implement a designation by the Department for Business, Energy and Industrial Strategy (BEIS). This made changes to the Smart Energy Code (SEC) and the Data Communications Company (DCC) Licence as directed in the 16 January 2020 government response.


What parts of the SEC were affected?

The following parts of the SEC have been updated:

  • Section A
  • Section G
  • Section H
  • Section I
  • Section K
  • Section L
  • Section X

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

The redlined changes to the SEC Sections can be found on CodeWorks via the links below:

You can download 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 7090 7755 or email