SEC Version 95.0 came into effect today on 5 November 2024.

Today, 5 November 2024, the Department for Energy Security and Net Zero (DESNZ) issued a direction to re-designate SEC Appendix AL ‘SMETS1 Transition and Migration Approach Document’ (SMETS1 TMAD). The direction will come into effect from 5 November 2024. This is mainly to extend the SMETS1 TMAD expiry date from 31 December 2024 to 31 December 2025.

The Department’s designation letter and accompanying annex, are available to download here.

If you have any questions, please contact smartmetering@energysecurity.gov.uk

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