The Clock: 2 July 2025

The Clock newsletter provides participants with updates and key information to support delivery of the MHHS Programme. The Clock will signpost you to events, plans, reports and documents to assist in planning, design, development, testing and delivery.

In this issue of The Clock we update you on:

• Participant Checklist
  
  • NEW! Systems Integration Testing (SIT) Non-Functional Exit Reports 
  • REMINDER: Migration Supplier Submission 2 Supplier Self-Certification   
  • NEW! M10/M11 Programme Cutover Plan Consultation  
  • NEW! M10/M11 Participant Cutover Plans  
  • NEW! Data Cleanse Plan: Supplier Exception Resolution activity   
  • REMINDER: Milestone 8 (M8) Code Changes Artefacts issued for formal Code Body consultation 
  • NEW! SIT Functional Test Scenarios & Test Cases uplifted  
• MHHS Qualification Updates
  
  • REMINDER: Facilitating Engagement between Suppliers & Agents 
  • REMINDER: Initial Qualification Assessment Document (QAD) Submission for Wave 1 participants 
  • REMINDER: Qualification Testing (QT) Entry Checkpoints 1 and 2 for Wave 1 participants  
  • NEW! Updated Qualification Approach & Plan (QA&P) and Annex 2 approved  
  • NEW! Updated Non-Systems Integration Testing (SIT) Supplier & Agent QT artefacts 
• Upcoming events
  
  • Upcoming Governance Meetings 
  • NEW! MHHS Webinar: Kestrel Dress Rehearsal 2: 14 July 2025   
  • NEW! Qualification - Promotion to Production Webinar: 15 July 2025  
• What happened last week?
  
  • Qualification Testing Framework (QTF) Onboarding & Training Webinar: 24 June 2025  
  • Cross-Code Advisory Group (CCAG): 25 June 2025 
  • Extraordinary Systems Integration Testing Advisory Group (eSITAG): 26 June 2025  
  • Systems Integration Testing (SIT) Regression Ways of Working Q&A: 1 July 2025  
  • Data Integration Platform (DIP) Onboarding Q&A Webinar: 1 July 2025 
• Elexon & Data Integration Platform (DIP) Manager Update
  
  • REMINDER: Data Integration Platform (DIP) Change Consultation: DCR0003   
  • NEW! Data Integration Platform (DIP) Onboarding for Qualification Wave 1 participants  
  • NEW! Confidential Assurance Reporting Platform (CARP) coming soon! 
• Retail Energy Code (REC) Update
  
  • REMINDER: REC MHHS Webinar: New Meter Configuration Tables: 9 July 2025  
  • REMINDER: MHHS Electricity Enquiry Service (EES) Live Demo: 15 July 2025  
  • REMINDER: REC Release for MHHS Milestone 8 (M8) Pre-release Webinar: 16 July 2025 
  • REMINDER: Retail Energy Code (REC) Code Manager Legacy Assurance Director Assertion 

The Clock

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