The Clock: 25 March 2026

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:

• Programme News
  
  • NEW! Strong progress continues across Wave 3 Qualification Testing (QT) with the last Balancing & Settlement Code (BSC) Performance Assurance Board (PAB) for all qualifying parties only six months out!  
• Participant Checklist
  
  • NEW! Urgent action for Wave 3 participants to submit Pre-Integration Testing (PIT) evidence! 
  • NEW! Timelines for upcoming Qualification activities by Wave 
  • NEW! Migration Update 
  • NEW! April MHHS Milestone 16 (M16) Settlement Timetable Consultation and Webinars coming soon! 
  • NEW! Participant Lessons Learned Central Repository updated  
• Guidance Documents
  • REMINDER: Where to find key Qualification & QT guidance and key artefacts 
• Upcoming events
  
  • Upcoming Governance Meetings 
• What happened last week?
  
  • Last week's Governance Meetings 
• Retail Energy Code (REC) Update
  
  • NEW! Guidance on sharing Meter Technical Details (MTDs) on MHHS Reverse Migrations, no Gaining Meter Operator Agent (MOA) details 

The Clock

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