Code Artefacts

The following Code Panels approved the MHHS Code drafting under their respective Significant Code Review (SCR) Modifications:

• Balancing & Settlement Code (BSC)
• Retail Energy Code (REC)
• Distribution Connection and Use of System Agreement (DCUSA) 

On 26 November 2024, Ofgem approved these Modifications, meeting Milestone 7 (M7) and you can read more about the decisions via the links below:

• BSC Ofgem decision
• REC Ofgem decision
• DCUSA Ofgem decision

These Code Artefacts will take effect at Milestone M8/M10, which is the MHHS go-live date of September 2025.

You can read more about these decisions on the Panel & Ofgem Approved Code Artefacts page of this website.

You can find supporting documents and historic Code Artefact Tranches via the links below:

• Tranche 1: Data Services and Meter Services
• Tranche 2: Registration and BSC Central Services
• Tranche 3: Qualification/Governance and Migration
• Tranche 4: Interfaces / Data Spec and Transition Text
• Topic Mop Up 1
• Topic Mop Up 2
• Code Artefacts: Consistency Check
• Finalisation of Code Artefacts

The Code Drafting Plan which you can view below, provides an overview of the Code Drafting activities and timeframes, with updates provided through the Programme newsletter (The Clock) and through Programme Working Groups. 

Code Drafting Plan

If you have any questions, please email Code@mhhsprogramme.co.uk