The Clock: 3 June 2026

◆ Published: 03/06/2026


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! Readiness Assessment 8 coming soon!
    • NEW! Participant progress through the MHHS journey 
  • Participant Checklist
    • NEW! Upcoming deadlines for Migration Pathways
    • REMINDER: Change Request CR065 Impact Assessment 
    • NEW! Migration Update
    • NEW! Facilitating Engagement between Suppliers and Agents Central Register updated
    • NEW! Participant Lessons Learned Central Repository updated 
  • Guidance Documents
    • 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?
    • MHHS Change Control Webinar: Change Request CR065: 1 June 2026  
  • Elexon & Data Integration Platform (DIP) Manager Update
    • REMINDER: Data Integration Platform (DIP) Change Request: DCR0021 
    • NEW! Consultation on DIP messages that may exceed the 1 Megabyte (MB) limit 

The Clock

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