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The Smart Energy Code (SEC) was designated on 23rd September 2013 following the granting of the DCC Licence. The current version in force (SEC 5.6) came into effect on the 1st April 2017.
BEIS will be implementing further versions of the SEC under the Smart Metering Implementation Programme (SMIP). Further information on the SMIP can be found here.

Below is a tool that sets out all the SEC and Guidance Documents in one place. It includes four sections: the Consolidated SEC versions, individual SEC Sections, SEC Subsidiary Documents and Guidance Documents. Search functionality is also available to help you navigate the documents you are looking for. 

Secretary of State Variations to the SEC

The Secretary of State (SoS) may direct variations to SEC provisions. Such variations are not subject to the SEC Section D: Modification Process, but may still vary existing provisions in the SEC. 

A log of all the SoS directed variations to date can be found on the SoS Variations to the SEC webpage.

For information on how the SEC and supporting documentation is developing prior to SoS designation, please see The Developing SEC sub-page.


Consolidated SEC
SEC Sections
SEC Subsidiary Documents
SEC Section Guidance
SECAS General Guidance

Contact Us

Do you have a question on any of the published SEC versions?

Our team is happy to help, please contact the SECAS Helpdesk at:


T: 020 7090 7755