The Clock: 23 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
  
  • REMINDER: Change Request CR063 issued for Impact Assessment 
  • REMINDER: Issue Resolution Group – Call for participant nominations! 
  • REMINDER: Helix Service Operating Manual and Low-Level Service Design (LLSD) Consultation   
  • REMINDER: Milestone 8 (M8) Code Changes Artefacts issued for formal Code Body consultation 
  • NEW! Supplier of Last Resort (SoLR) Update   
• MHHS Testing Updates
  
  • NEW! Overarching Systems Integration Testing (SIT) Non-Functional Exit Reports Industry Review   
  • NEW! SIT Operational Exit Reports  
  • NEW! SIT Post-Regression Exit Declaration  
• MHHS Qualification Updates
  
  • REMINDER: Timelines for upcoming Qualification activities by Wave  
  • REMINDER: Non-SIT Supplier & Agent Qualification Testing Test Case: Batch 3 Housekeeping Consultation 
  • NEW! Updated Qualification Guidance and Artefacts   
• Guidance Documents
  
  • NEW! Data Integration Platform (DIP) guidance notes now available  
• Upcoming events
  
  • NEW! MHHS Webinar: Kestrel Rehearsal 2: 6 August 2025  
  • NEW! Migration Dress Rehearsal 2 drop-in sessions: August 2025  
• What happened last week?
  
  • Last week's Governance meetings
  • ICYMI: Defect Logging and Triage Guidance Webinar: 21 July 2025 
• Retail Energy Code (REC) Update
  
  • Retail Energy Code (REC) Code Manager Legacy Assurance Director Assertion 
  • MHHS Electricity Enquiry Service (EES) Live Demo: 15 July 2025  
  • REC Release for MHHS Milestone 8 (M8) Pre-release Webinar: 16 July 2025   

The Clock

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