The Clock: 7 May 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:

• Programme News
  
  • MHHS Programme Plan Update: ‘M10-Ready', ‘M11-Ready' and ‘Not-M11 Ready’ Qualification Pathways 
• Participant Checklist
  
  • REMINDER: Programme Participant Information Request (PPIR) - MHHS Migration Licensed Distribution System Operator (LDSO) Information 
  • NEW! Systems Integration Testing (SIT) Regression Settlement Data Load 
  • REMINDER: Participant Cutover Plans 
  • REMINDER: Readiness Assessment 5/6 
  • NEW! Change Request CR061 issued for Impact Assessment  
• MHHS Qualification Updates
  
  • REMINDER: Final Qualification Assessment Document (QAD) submissions for all SIT participants and Non-SIT LDSOs  
  • NEW! PPIR: Further Questions regarding the Use of the Meter Data Retrieval (MDR) function  
  • REMINDER: Legacy Settlement Arrangements Management Letters  
  • REMINDER: Initial QAD Submission for Wave 1 participants is now open! 
• Upcoming events
  
  • Upcoming Governance Meetings 
  • NEW! Systems Integration Testing (SIT)-A Settlement Testing Readiness Workshop: 12 May 2025  
  • Code Drafting Working Group (CDWG): 13 May 2025 
  • REMINDER: Data Integration Platform (DIP) Manager Open Day: 20 May 2025 
• What happened last week?
  
  • Migration & Cutover Advisory Group (MCAG): 29 April 2025  
  • Elexon Trading Disputes Process Webinar: 29 April 2025  
  • Data Integration Platform (DIP) Onboarding Webinar: 6 May 2025 

The Clock

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