The Clock: 10 June 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! Participant progress through the MHHS journey 
• Participant Checklist
  
  • REMINDER: Change Request CR065 Impact Assessment 
  • NEW! Migration Update
• Guidance Documents
  
  • NEW! Learnings from Migration
  • REMINDER: Guidance documents to help navigate the End-to-End (E2E) participant journey through qualification to Go-Live  
• Upcoming events
  
  • Upcoming Governance Meetings 
• What happened last week?
  
  • Last week's Governance Meetings
• Elexon & Data Integration Platform (DIP) Manager Update
  
  • NEW! Data Integration Platform (DIP) Drop-in Session: 12 June 2026
  • REMINDER: Consultation on DIP messages that may exceed the 1 Megabyte (MB) limit 
• Retail Energy Code (REC) Update
  • NEW! New and Updated MHHS-related REC Guidance        

The Clock

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