Visit the new Market-wide Half Hourly Settlement page on the REC Portal. This is where you'll find relevant information about the MHHS Programme, change freeze, links to MHHS Wiki pages, information about events, and details of agreed consequential change solutions.
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CURRENT AND FUTURE RELEASES

August  2024 (3.13.0) REC Release - 23 August 2024

Release Plan V1.0

Targeted Changes 

R0098 - Optional Fuzzy Searches in EES

R0108 - Enabling Electricity Enquiry Service Searches Using a Unique Property Reference Number 

R0121 - SDEP Review Improvements (1) - Process Types

R0146 - Data Specification Update for Refresh Functionality 

R0164 - Removing the Enumerations from Communications Method Data Item (J0386) to Align with BSC CP 1594

R0166 - Removal of the Green Deal Panel 

R0181 - Schedule 14 Metering Operations Footnote Review


September 2024 Extraordinary REC Release - 06 September 2024

Targeted Changes 

R0177 - Change Smart Meter Installation Consumer Survey Specification Survey Questions to a REC Category 2 Document 

R0192 - Housekeeping Amendments 

November 2024 (3.14.0) REC Release - 08 November 2024

Targeted Changes 

R0092A - DCC Service Level Agreements for the Switching Incentive Regime (Alternative)

R0094 - Clarify Obligations on Gas Meter Exchanges That Occur Close to CoS

R0113 - Data Specification Updates and Clarifications 

R0115 - Frequency and Content of CSS Reports on Switching via the DCC Portal

R0150 - On-Sie Aggregation as a Method to Facilitate Third Party Access - BSC P455

February 2025 (3.15.0) REC Release - 28 February 2025

Targeted Changes 

MHHS M8 07 March 2025 TBC 

Targeted Changes 

R0044 - MHHS Programme Changes Required to Central Switching Service 

R0083 - Changes to Supply Number Format for MHHS

R0097 - Consequential Changes for CSS Smart Meter Data Retreiver Appointments 


June 2025 (3.16.0) REC Release - 27 June 2025

Targeted Changes 

R0080 - Improvements to 'Failed to Deliver' CSS Messages 

November 2025 (3.17.0) REC Release - 07 November 2025

Targeted Changes 
R0157 - Removal of a Fascimile as a Method of Code Communication 


PAST RELEASES

July 2024 Release (3.12.0) - 19 July 2024


June 2024 Release (3.11.0) - 28 June 2024


May 2024 Release (3.10.1) - 10 May 2024


April 2024 Release (3.10.0) - 12 April 2024


March 2024 Release (3.9.0) - 28 March 2024


February 2024 Release (3.8.0) - 23 February 2024


December 2023 Release (3.7.0) - 06 December 2023


November 2023 Release (3.6.0) - 03 November 2023


September 2023 Release (3.5.1) - 29 September 2023


June 2023 Release (3.5.0) - 30 June 2023


R0074 Technical Implementation 02 June 2023 (February 2023 V3.3.0) (Phase 2)


April 2023 Release (V3.4.0) - 01 April 2023


February 2023 Release (V3.3.0) - 24 February 2023


November 2022 Release (V3.2.0) - 04 November 2022


August 2022 Release (V3.1.0) - 03 August 2022


July 2022 Release (V3.0.0) - 18 July 2022


June 2022 Release (V2.3.0) - 30 June 2022


April 2022 Release (V2.2.1) - 14 April 2022


January 2022 Release (V2.2.0) -  31 January 2022


November 2021 Release (V2.1.0) - 04 November 2021


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