The Clock: 29 April 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! Wave 3 participants have completed Qualification Testing!
  • NEW! Ofgem approved Balancing & Settlement Code (BSC) Modification P495
• Participant Checklist
  
  • NEW! MHHS Milestone 16 (M16) Settlement Timetable Consultation
  • NEW! Upcoming deadlines for Migration Pathways
  • REMINDER: Qualification Approach & Plan (QA&P) Annex 4
  • NEW! Migration Update
• Guidance Documents
  
  • REMINDER: Guidance documents to help navigate the End-to-End (E2E) participant journey through qualification to Go-Live 
  • NEW! Updated Service Activation Journey guidance 
• Upcoming events
  
  • Upcoming Governance Meetings
• What happened last week?
  
  • Last week's Governance Meetings
  • Independent Programme Assurance (IPA) Consequential Change Programme Participant Information Request (PPIR) Webinar: 23 April 2026
  • MHHS Webinar: M16 Settlement Timetable Consultation: 29 April 2026  
• Elexon & Data Integration Platform (DIP) Manager Update
  
  • NEW! DIP drop-in session: 1 May 2026

The Clock

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