The Clock: 17 December 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
  
  • REMINDER: Christmas & Qualification working arrangements  
  • The Clock is taking a short festive break... 
• Participant Checklist
  
  • NEW! Timelines for upcoming Qualification activities by Wave  
  • NEW! Migration Week 8 progress and reminder that Sprint Cycle 1 starts soon! 
  • NEW! Migration Control Centre (MCC) Frequently Asked Questions (FAQs) 
• Upcoming events
  
  • Upcoming Governance Meetings 
• What happened last week?
  
  • Last week's Governance Meetings 
• Elexon & Data Integration Platform (DIP) Manager Update
  
  • ICYMI: MHHS Qualification Wave 4 Webinar: 9 December 2025 
• Retail Energy Code (REC) Update
  
  • NEW! Meter Configuration Tables update to align with Modification P503  

The Clock

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