Programme Plan & Complementary Documents
September 2024 CR055 Programme Plan (v6.0) Documents
The Programme have uploaded v6.0 of the MHHS Programme Plan (Microsoft Project), Milestone Register, and Outline Plan (Excel) which has incorporated the forecast dates as set out in CR055 (Amendments to M10 and corresponding milestones). This plan is not yet final, but should be used by Participants when completing their CR055 Impact Assessment. Feedback received from the Impact Assessments will be reviewed and incorporated as appropriate into version 6.x and shared with Ofgem as part of the recommended Change Request decision.
If CR055 is recommended for approval by PSG to Ofgem, the MHHS Programme Plan6.x will then be used for all reporting until a final decision is received from Ofgem.
Once a CR055 decision has been made by Ofgem, and the Programme Plan has been confirmed, the Programme team will update the Implementation Approach to align.
All required documentation can be below:
MHHS Programme Plan v6.0 (Microsoft Project)
MHHS Outline Plan v6.0 (Excel)
August 2024 Update: Interim Programme Plan on a Page (PoaP)
The Programme is currently reviewing the Systems Integration Testing (SIT) activity and timeline implications on Milestone 10 (M10) and other milestones. This review includes engaging with SIT Cohorts, wider Programme participants, Ofgem, the Independent Programme Assurance (IPA) provider and Code Bodies.​
During August, the Programme has engaged with various participants and stakeholders and a Change Request (CR) will be raised to adjust the Programme plan, based on the outcomes of these engagement sessions.
We've shared the timeline for this CR, along with indicative timelines indicating that approval will be at the October Programme Steering Group (PSG) meeting, subject to change based on feedback and process approvals.​
Given that milestones and SIT activity will move during the course of this CR, we recognise that other workstream plans and milestones will be impacted, and baseline reporting may not show an accurate status of plans.​
Whilst we await the outcome of the CR, the Programme has published this interim Programme PoaP version of the Programme Plan, highlighting current work being undertaken as per the baseline plan. ​You can view this PoaP below:
MHHS Programme Plan on a Page (PoaP) to end of 2024
Once the outcome of the CR is determined, an updated Programme Plan in Microsoft Project and Excel will be shared, in line with regular Planning updates, further down this page.
If you have any questions, please email PMO@mhhsprogramme.co.uk
MHHS Replan: CR022 Level 1 Milestones approved by Ofgem
At the Programme Steering Group (PSG) meeting on 8 June 2023, Change Request CR022 was fully approved, following Ofgem's approval of Level 1 milestone changes. This marks a significant step forward for the MHHS Programme.
PSG members agreed that version 5.0 of the MHHS Programme Plan would be adopted as the baseline change. As a live document, PSG members were made aware of specific changes to the plan since CR022 was issued for Impact Assessment.
The MHHS Programme Plan (in Microsoft Project and Microsoft Excel formats), MHHS Milestone Register and MHHS Implementation Approach have been updated in line with the PSG CR022 approved plan. You can view all these documents below, along with the latest Release Note to highlight the changes since the last release.
MHHS Programme Plan (baselined MS Project - v5.30)
MHHS Programme Plan v5.30 (Excel format)
MHHS Milestone Register v5.30 (baselined)
Programme Planning Advisory Notes
The Programme provide fortnightly releases of the Programme Plan. The first release was published on 21 June 2023 and you can view these latest documents above, in both Microsoft Project (.mpp) and Excel (.xls) formats. These are accompanied with a guide to interpreting the plan in both formats, with tips on how to easily identify changes since the previous plan.
On 5 July 2023 the Programme Plan was updated to reflect the movement of the interfaces code drafting topic area which now aligns with transition text after approval at the Cross-Code Advisory Group (CCAG) on 28 June 2023.
Additionally, there have been minor updates to the Implementation Approach document which are set out in the update sheet with version 3.2.
If you have any questions, please email PMO@mhhsprogramme.co.uk
Where you can find CR022 and supporting information
You can view Change Request CR022 and the MHHS Implementation Approach document below.
The CR references MHHS Programme-related Artefacts which set out decisions and other factors shaping the proposed plan.
Replan Change Request Form Parts A, B & C (CR022)
If you have any questions on CR022, please email PMO@mhhsprogramme.co.uk
Baselined MHHS Implementation Timeline
Following Programme Steering Group’s (PSG) approval of Change Request CR022: MHHS Programme Replan on 8 June 2023 and Ofgem’s subsequent decision to approve changes to Level 1 milestones, the Programme has updated the Baselined MHHS Implementation Timeline which you can view below:
Baselined MHHS Implementation Timeline
This updated timeline replaces the previous timeline dated 18 May 2022, which was issued following approval of Change Request CR009: M3 & M5 milestone date changes.
CR022 Playback Sessions to support the Impact Assessment
In April, the Programme ran Playback sessions to walk through the CR and rationale.
All Playback sessions were recorded and you can view the slides and recordings for all the Playback sessions on the Replan Playbacks page of this website.
If you have any questions on CR022, please email PMO@mhhsprogramme.co.uk
Replan Consultation Q&A
We have complied a list of questions raised in Rounds 1, 2 and 3 of the Programme Replan consultation which you can view below:
Ofgem Settlement Reform Programme Plan
Ofgem published its Market-wide Half-Hourly Settlement: Decision and Full Business Case paper on 21 April 2021 which included the MHHS Transition Timetable.
The Transition Timetable has since been updated and is now owned by the MHHS Programme.
