Explore use of CHECK as a Meter Type option on J0483 DI-059
Date of latest update
Type
Issue
ID
I0344
Other Industry Codes impacted
Priority
Urgent
No
Latest Update
24/08/2026 - accepted in by Code Manager
Summary
It has been suggested that CHECK meters should not be sent within industry messages so the presence of this value within the valid set may not be required. This Issue has been raised to explore whether this assumption is correct, look at the existing/historic use cases industry have used the CHECK option for, if they are no longer valid and if so why not.
Impacted REC Documents
Impacted REC Services
Impacted REC Parties and Market Participants
Status
Status
Implementation Status
Date Raised
Fuel
Date of Update to Priority
Solution Development
Stages Selection
Stages Selection
I0344 submission form
Company Name
-
Review status
Review required
Improved Validation for DI51599 - Electricity Smart Meter Equipment (ESME ID)
Date of latest update
Type
Issue
ID
I0341
Other Industry Codes impacted
Priority
Urgent
No
Latest Update
13/08/2026 - accepted in by Code Manager
Summary
A DNO has raised an issue with the ESME ID data stored in MPRS. Some of the ESMEs are passing MPRS basic validation but are being rejected by the proposed Metering Service preventing a change of service.
Impacted REC Documents
Impacted REC Services
Impacted REC Parties and Market Participants
Status
Status
Implementation Status
Date Raised
Fuel
Date of Update to Priority
Solution Development
Stages Selection
Stages Selection
I0341 submission form
Company Name
-
Review status
Review required
Regulatory Alliance Creation Rejections
Date of latest update
Type
Issue
ID
I0331
Change Category
Other Industry Codes impacted
Change Path
Priority
Urgent
No
Latest Update
19/08/2026 - the Change Report (Proposal Plan) was approved by Change Panel. The Change Team and Performance Assurance team are working together to determine if there are performance assurance requirements for this change.
Summary
An incident where Network Parties did not submit Regulatory Alliances on time to the Central Switching Service (CSS) Provider, or did submit the Regulatory Alliances but did not action rejections from the CSS Provider in a timely manner, led to over 200 Consumers being delayed in Switching to their chosen Energy Supplier. This Change Proposal has been raised to review this process.
Impacted REC Documents
Impacted REC Services
Impacted REC Parties and Market Participants
Status
Status
Implementation Status
Date Raised
Fuel
REC Decision Maker
Date of Update to Priority
Solution Development
Proposed Solution Document
Document title
I0331 Schedule 24 Switching Data Management
Archive
Off
Problem Statement
The lack of Service Level Agreements (SLAs) on Network Parties to submit Regulatory Alliances to the CSS Provider or to work any rejections received from the CSS Provider can lead to delays in Consumers being able to Switch to their chosen Energy Supplier.
Stages Selection
Stages Selection
SME
SME Role
Lead Assurance Analyst
I0331 submission form
I0331 Change Report (Proposal Plan) V1.0 approved 18.08.26
Company Name
-
Review status
Review required
Removal of D0383 & D0384 requirements from Sharing MTDs process
Date of latest update
Type
Change
ID
R0328
Change Category
Other Industry Codes impacted
Change Path
Priority
Urgent
No
Latest Update
14/08/2026 - the consultation has opened, responses must be received by 23:59 07 September 2026.
Summary
Schedule 14 - Metering Operations currently holds obligations for a Meter Operator Agent (MOA) to send a D0383 ‘Notification of Commissioning Information’ to Electricity Suppliers, Distribution Network Operators (DNOs), Data Services and Data Collectors in certain process steps. The D0383 was not shared with these Parties in legacy arrangements, and there is no requirement for it to be sent to facilitate the MHHS arrangements. There are similar requirements to send the D0384 ‘Notification of Commissioning Status’ to these Parties, when it is only required by the Electricity Supplier. These requirements were introduced by the MHHS Design in error and need to be removed.
Impacted REC Documents
Impacted REC Parties and Market Participants
Status
Implementation Date
06 November 2026
Implementation Status
Date Raised
Fuel
REC Decision Maker
Date of Update to Priority
Solution Development
Proposed Solution Document
Document title
R0328 legal text V0.1
Archive
Off
Problem Statement
Schedule 14 - Metering Operations puts obligations on MOAs which are both not required and impossible to fulfil (as the Scenario Variants to send the D0383 from the MOA to the Electricity Supplier, DNO, Data Service and Data Collector do not exist). There are similar problems for the D0384, which is only required to be sent from the MOA to the Electricity Supplier.
Stages Selection
R0328 submission form
R0328 Change Report (Proposal Plan) v1.0 - approved 21.07.26
R0328 Change Report (For Consultation) V1.0 approved 12.08.26
Company Name
-
Review status
Review required
Provision of Standard industrial Classification (SIC) Code to REC Parties
Date of latest update
Type
Issue
ID
I0327
Priority
Urgent
No
Latest Update
22/05/2026 - Issue accepted in by Code Manager
Summary
As part of the planning required to deliver Net Zero, Gas Distribution Networks (GDNs) are obligated to plan Industrial and Commercial (I&C) gas demand at a more granular, site-specific level. To meet this obligation, access to Standard Industrial Classification (SIC) Code data, matched to both Gas and Electricity Meter Point Reference Numbers, would provide a significantly improved understanding of I&C customers.
Impacted REC Documents
Impacted REC Services
Impacted REC Parties and Market Participants
Status
Status
Implementation Status
Date Raised
Date of Update to Priority
Solution Development
Stages Selection
Stages Selection
I0327 submission form
Company Name
-
Review status
Review required
Post-MHHS Full Transition Complete (M15) REC updates
Date of latest update
Type
Issue
ID
I0325
Change Category
Other Industry Codes impacted
Change Path
Priority
Urgent
No
Latest Update
21/07/2026 - On 21 July 2026, the REC Change Panel voted to approve the Change Report (Proposal Plan) for I0325.
Summary
The REC was updated, primarily through R0209 and R0241, to add requirements that support the transition to, and enduring operation of the MHHS arrangements. As part of the transition, each impacted Metering Point will be migrated using processes defined in Codes, including the REC. Once this migration activity is complete, the legacy and transitional arrangements will become redundant and should be removed from the REC to support its efficient operation
Impacted REC Documents
Impacted REC Services
Impacted REC Parties and Market Participants
Status
Status
Implementation Status
Date Raised
Fuel
REC Decision Maker
Date of Update to Priority
Solution Development
Problem Statement
Retention of redundant obligations within the REC would make it more complex to navigate for Market Participants and could cause confusion on the obligations that are in effect to support the efficient operation of the Great British Energy retail market. It is also worth noting that until Ofgem formally closes the MHHS Significant Code Review (SCR), this REC Issue could potentially impact that SCR.
Stages Selection
Stages Selection
SME
SME Role
Lead Technical Analyst
SME Role
Lead Assurance Analyst
I0325 submission form
I0325 Scope list
Company Name
-
Review status
Review required
DNOs Create Export MPANs after approving G98/99 commissioning documents
Date of latest update
Type
Change
ID
R0321
Change Category
Change Path
Priority
Urgent
No
Latest Update
20/08/2026 - the consultation is open, responses must be received by 23:59 14 September 2026.
Summary
The creation of Import Metering Points for new Premises sits with the Distribution Network Operator (DNO), while the Export Metering Points generally sit with the Electricity Supplier. When the DNO approves the G98 Engineering Recommendation Installation Document (Form B) or G99 Engineering Recommendation Installation Document (Form A3-1 or A3-2) under the Distribution Code, they could create Export Metering Points at this time (with the logical Disconnection process being available for any Export Metering Points that are then not required).
Impacted REC Documents
Impacted REC Parties and Market Participants
Status
Implementation Date
25 June 2027
Implementation Status
Date Raised
Fuel
REC Decision Maker
Date of Update to Priority
Solution Development
Proposed Solution Document
Document title
Schedule 27 RMP lifecycle draft V0.1
Archive
Off
Document title
Schedule 27 RMP lifecycle draft V0.2
Archive
Off
Problem Statement
The information required by the DNO to create an Export Metering Point sits with the Consumer rather than the Electricity Supplier, and leads to the Electricity Supplier acting as an unnecessary third party in the process. This is leading to unnecessary time being added to the process, negatively impacting Consumers and the journey to Net Zero. This is particularly apparent for large new housing developments, which may have several tens of thousands of Export Metering Points to create with the same DNO and require the use of the Bulk Request process. This process is cumbersome and has no two DNOs operating the process in the same way.
Stages Selection
SME
SME Role
Lead Assurance Analyst
R0321 submission form
R0321 Change Report (Proposal Plan) Approved 05.05.26
R0321 Consolidated Impact Assessment Responses v1.0 PUBLIC
R0321 Update to Plan V1.0 approved 18.08.26
R0321 Change Report (For Consultation) approved 18.08.26
Company Name
-
Review status
Review required
Crossed Meters Process: Clarifications and Support
Date of latest update
Type
Issue
ID
I0314
Change Category
Change Path
Priority
Urgent
No
Latest Update
12/05/2026 - The Information Request has closed. The Code Manager is curently assessing the responses
Summary
This issue seeks to solve is the gap between the documented REC Crossed Meters process and how it is being applied operationally. The aim is to ensure all parties fully understand the process, apply it consistently, and have the support necessary to achieve timely, correct resolution of Crossed Meter cases.
Impacted REC Documents
Impacted REC Parties and Market Participants
Status
Status
Implementation Status
Date Raised
Fuel
REC Decision Maker
Date of Update to Priority
Solution Development
Stages Selection
Stages Selection
SME
SME Role
Lead Technical Analyst
SME Role
Lead Assurance Analyst
I0314 submission form
I0314 Change Report (Proposal Plan) Approved 21.04.26
Company Name
-
Review status
Review required
REC Change to Align with DCP467 Asset Condition Reporting
Date of latest update
Type
Change
ID
R0306
Change Category
Other Industry Codes impacted
Change Path
Priority
Urgent
No
Latest Update
08/07/2026 - the Metering Expert Panel approved the Update to Plan.
Summary
DCUSA change DCP467 has been raised to propose that Category A and B defects reported currently using the Asset Condition Report (D0135) or phone call to the DNO, should instead be reported via an online reporting tool where the DNO has one available. This is expected to have impacts to the REC.
Impacted REC Parties and Market Participants
Status
Implementation Date
06 November 2026
Implementation Status
Date Raised
Fuel
REC Decision Maker
Date of Update to Priority
Solution Development
Proposed Solution Document
Document title
I0306 STIRG Guidance Document draft V0.1
Archive
Off
Document title
I0306 Data Spec changes v0.1
Archive
Off
Document title
R0306 STIRG Guidance Document draft V0.2
Archive
Off
Document title
R0306 Data Spec changes V0.2
Archive
Off
Problem Statement
Where DNOs have enhanced reporting tools for Category A or Category B situations, it is not mandatory for Parties to submit reports using this method. This may lead to a detrimental Consumer experience, as it is limited what information can be provided over the telephone or via Market Message (e.g. it is not possible to provide photographs of the situation).
Stages Selection
I0306 submission form
I0306 Change Report (Proposal Plan) V1.0 approved 03.02.26
I0306 Consolidated Impact Assessment Responses V1.0
R0306 Change Report (For Consultation) V1.1
R0306 Consolidated Consultation Responses v1.1 PUBLIC
R0306 Change Proposal Re-Plan v1.0 approved 08.07.26
Company Name
-
Review status
Review required
Amendments to D0312 to align with BSC CP1622
Date of latest update
Type
Change
ID
R0300
Change Category
Other Industry Codes impacted
Change Path
Priority
Urgent
No
Latest Update
This Change Proposal has been implemented as part of the June 2026 REC Release.
Summary
Elexon have raised CP1622 to amend the Validation rules within the Supplier Meter Registration Service (SMRS) for the Number of Register Digits Data Item within the IF-005 Market Message, to allow digit values from 1–9, ensuring accurate data and reducing exceptions. There are no Validation rules related to the D0312 Market Message which need to be amended under the Balancing and Settlement Code (BSC), but the D0312 itself contains a Data Item Rule regarding the Number of Displayed Register Digits which needs to be amended in line with CP1622.
Impacted REC Parties and Market Participants
Status
Implementation Date
26 June 2026
| Included changes | Affected REC Items | |
|---|---|---|
| R0103 | Central provision of DCC Technical Contacts for requesting test certificates |
|
Implementation Status
Date Raised
Fuel
REC Decision Maker
Date of Update to Priority
Solution Development
Proposed Solution Document
Document title
Amendments to D0312 red-lined data spec V0.1
Archive
Off
Document title
Amendments to D0312 red-lined data spec V0.2
Archive
Off
Document title
20260205 CP1622 R0300 industry workshop slides
Archive
Off
Problem Statement
BSC CP1622 is looking to address that SMRS cannot accurately update the Number of Displayed Register Digits for a SMETS2 Smart Electricity Meter due to Validation rules currently in place. The Validation rules proposed to be amended are those on the IF-005, which has direct impacts to the D0312.
Stages Selection
SME
SME Role
Lead Technical Analyst
SME Role
Lead Assurance Analyst
R0300 submission form
R0300 Change Report (Proposal Plan) V1.0
R0300 Consolidated Impact Assessment Responses PUBLIC v1.0
R0300 Update to Plan V1.0 approved 19.03.26
R0300 Change Report (For Consultation) V1.1
R0300 Consolidated Consultation Responses V1.0
R0300 Change Report (Final Recommendation) V1.0 approved 29.04.26
Company Name
-
Review status
Review required