Tariff Interoperability Phase 1a – Supplier Performance Assurance Requirements
Date of latest update
Type
Change
ID
R0323
Change Category
Change Path
Priority
Urgent
No
Latest Update
13/08/2026 - Consultation opened for responses until 23:59 on 07/09/2026
Summary
Obligations are being introduced into the REC to require Suppliers to make Tariff Pricing Data available to Tariff Interoperability Users (TI Users) using a new Tariff Interoperability Application Programming Interface (TI API). This proposal will provide Code Manager with data to assure supplier performance against obligations in a new REC Schedule: Tariff Interoperability Arrangements.
Impacted REC Parties and Market Participants
Status
Implementation Date
27 February 2027
Implementation Status
Date Raised
Fuel
REC Decision Maker
Date of Update to Priority
Solution Development
Stages Selection
SME
SME Role
Lead Technical Analyst
I0323 submission form
I0323 - REC Prioritisation Matrix
I0323 Change Report (Proposal Plan) Approved
R0323 Legal Drafting
I0323 Party IA Request
I0323 Consolidated Party IA Responses NON-CONFIDENTIAL
Company Name
-
Review status
Review required
Sharing Metering Asset Data V1.1 - MHHS Guidance
Date of latest update
Type
Change
ID
C3-0158
Urgent
No
Latest Update
-
Summary
An update to the Sharing Metering Asset Data document is proposed to enhance the guidance available to REC Parties, as follows: New paragraph on page 8, in the ‘Metering Related DIP Market Messages for MHHS Metering Points’ section: For Metering Points where the Metering Equipment is shared (for example, Associated Import / Export), when MTD or Energisation updates are required, the appointed MOA must update each impacted Metering Point individually by sending the required DIP Market Message.
Status
Implementation Status
Date Raised
Date of Update to Priority
Stages Selection
Company Name
Code Manager (RPS)
Review status
Review required
Erroneous Switch Review: I0237 Clarifications
Date of latest update
Type
Change
ID
R0322
Change Category
Change Path
Priority
Urgent
No
Latest Update
06/08/2026 - The Change Report (For Consultation) has been published and open for comments until 23:59 on 14/08/2026
Summary
The I0237 working group has carried out an end-to-end review of the Erroneous Switch process. The working group highlighted housekeeping changes and clarifications within Schedule 30 and the Market Messages.
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
Erroneous Switch Review - I0237 Clarifications (12.05.2026) V1.0
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Document title
R0322 Legal Drafting V1.1
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Problem Statement
The current Erroneous Switch drafting contains inconsistencies that can cause confusion and misunderstanding between Energy Suppliers regarding the applicable governance and process requirements, creating ambiguity around the correct contractual and operational framework. In addition, the I0237 Working Group has identified further required amendments to Schedule 30, highlighting that the existing drafting does not fully or accurately reflect intended process arrangements or correct terminology.
Stages Selection
SME
SME Role
Lead Technical Analyst
R0322 submission form
R0322 - Change Report (Proposal Plan) V1.0 (Approved) 19.05.2026
R0322 Consolidated IA Responses
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
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Document title
Schedule 27 RMP lifecycle draft V0.2
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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
Housekeeping June 2026
Date of latest update
Type
Change
ID
R0320
Change Category
Change Path
Priority
Urgent
No
Latest Update
This Change Proposal has been implemented as part of the June 2026 REC Release.
Summary
The Code Manager has identified a number of non-material clarifications, typographical errors and changes needed to REC products.
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
June 2026 Housekeeping Summary V1.0
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Document title
June 2026 Housekeeping legal text (zip file)
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Document title
June 2026 Housekeeping Summary V2.0
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Document title
June 2026 Housekeeping legal text v3.0
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Problem Statement
This Housekeeping Change Proposal seeks to make typographical and formatting corrections that have been identified and improve consistency across the REC.
Stages Selection
R0320 Housekeeping Change Report v1.1
Company Name
-
Review status
Review required
Joint REC & BSC Storyboards replacement
Date of latest update
Type
Change
ID
C3-0157
Urgent
No
Latest Update
-
Summary
PAB approved the following updates to the Joint REC & BSC Storyboards. - Revision of Joint REC & BSC Storyboards (V6.0) – This is to be replaced by 2 documents rather than just 1. REC Internal Testing Guidance Including Market Scenarios and REC Internal Testing Scenarios covering DIP and DTN market messages. The later is an entirely new document, focusing on electricity and the former is an edited document of the current storyboard, focusing just on gas. - The change will help to drive electricity and gas scenarios separately and caters to MHHS requirement too.
Status
Implementation Status
Date Raised
Date of Update to Priority
Stages Selection
Company Name
Code Manager (RPA)
Review status
Review required
Entry Assessment Forms V2.4
Date of latest update
Type
Change
ID
C3-0156
Urgent
No
Latest Update
-
Summary
The change helps to cater to the entry assessment form including the operation in MHHS.
Status
Implementation Status
Date Raised
Date of Update to Priority
Stages Selection
Company Name
Code Manager (RPA)
Review status
Review required
Energy Theft Detection Incentive Scheme Reporting Timeframe V4.0
Date of latest update
Type
Change
ID
C3-0155
Urgent
No
Latest Update
-
Summary
• Timeframe rolled forward for new Reporting Year, as per requirements of Schedule 7. • Details for Reporting Year 2024/25 removed as no longer relevant.
Status
Implementation Status
Date Raised
Date of Update to Priority
Stages Selection
Company Name
Code Manager (RPA)
Review status
Review required
Clarification of in-year amendments to the CRS budget
Date of latest update
Type
Change
ID
R0319
Change Category
Change Path
Priority
Urgent
No
Latest Update
This Change Proposal has been implemented as part of the June 2026 REC Release.
Summary
Clause 9 of the REC currently sets out that any amendments to the approved CRS budget for each Financial Year may only be amended through a REC Change Proposal. The intention of this Clause was to ensure that any additional funding required by the CRS Provider, outside of the approved budget cycle, was subject to appropriate scrutiny, consultation and approval under REC governance. This was not intended to apply to a scenario where the CRS Provider expects to significantly underspend against the approved budget.
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
REC Decision Maker
Date of Update to Priority
Solution Development
Proposed Solution Document
Document title
R0319 Legal Text For Consultation
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Document title
R0319 Legal Text For Final Recommendation
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Problem Statement
This Change Proposal seeks to amend clause 9 of the REC Main Body to not require a Change Proposal to be raised to facilitate an in-year reduction to the CRS budget.
Stages Selection
SME
SME Role
Lead Technical Analyst
SME Role
Lead Assurance Analyst
R0319 submission form
R0316 Change Report (Proposal Plan and Consultation) v1.1 Approved 07.04.26
R0319 - Consolidated Consultation Responses v1.0
R0319 Change Report (Final Recommendation) v1.1 Pre-Approval
R0319 Change Report (Final Recommendation) v1.0 Approved 190526
Company Name
-
Review status
Review required
Introduction of Consumer Consent Solution
Date of latest update
Type
Issue
ID
I0318
Change Category
Other Industry Codes impacted
Priority
Urgent
No
Latest Update
22/04/2026 - The Change Report (Proposal Plan) was approved by Change Panel on 21/04/2026.
Summary
This initiative will support the transformation of how energy is managed and consumed by giving consumers control over their energy (gas, electricity, heat, or other) data, enabling innovation through third-party services, and advancing sustainability goals. This REC Issue is being raised to promote visibility and awareness of opportunities for engagement, in advance of the CCS Change Proposal being progressed.
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
Proposed Solution Document
Document title
RECCo | Consumer Consent Programme page
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Off
Document title
Consumer Consent Hub - REC Portal
Archive
Off
Document title
Consumer Consent Solution Design Consultation (March 2026)
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Document title
RECCo's response to the CCS Design Consultation - 28 May 2026
Archive
Off
Problem Statement
A new set of arrangements for a Consumer Consent Solution (CCS) is currently being developed under the RECCo CCS project. The new arrangements will need to be implemented within the REC so that they can be governed under the REC on an enduring basis.
Stages Selection
Stages Selection
I0318 submission form
RECCHIG_26_0305 - I0318 Consumer Consent Solution
I0318 Change Report (Proposal Plan) v1.0 APPROVED 02.04.2026
Company Name
-
Review status
Review required