Non-Domestic Change of Occupier SDEP Screens (R0155 Solution)
Summary
This Issue has been raised to develop the dedicated Non-Domestic Change of Occupier SDEP screens that were not possible as part of R0155 – Change of Occupier: Evidentiary Standards and Timescales. Should this Issue progress with a developed solution, the new dedicated Non-Domestic Change of Occupier screens would replace the temporary work around provided as a temporary workaround in the R0155 solution.
Latest update and next planned activity
Date of latest update
Latest Update
This Change Proposal was implemented as part of the 7 November 2025 REC Release.
Impacts Overview
Impacted REC Parties and Market Participants
Energy Supplier
Impacted REC Services
Secure Data Exchange Service (SDES)
Priority and rationale
Standard
Priority last updated on 29 May 2026
Solution development
Problem Statement
Due to the MHHS Code Freeze, newly dedicated Non-Domestic Change of Occupier SDEP screens could not be implemented as part of the R0155 solution and instead the use of re-purposed, existing screens was proposed as a temporary workaround. Energy Suppliers were clear in their responses to the R0155 impact assessment and consultation that using a temporary work around (with the temporary solution being the use of existing screens PT0056 and PT0067) would create additional workload and risk and that newly dedicated SDEP screens for Non-Domestic Change of Occupiers would still be required.
Proposed solution summary
- The solution will be developed through the Change Issues Group. Attendees will be invited to discuss and determine the requirements for the dedicated Non-Domestic Change of Occupier SDEP screens (a separate screen will be required for both Gas and Electricity). The solution will also require reporting for Performance Assurance and will include a plan for queries raised at cut over and data retention obligations. To help drive those discussions a starting point could be as follows: • Meter Point X Number (MPxN) • Multi MPxN flag – i.e. are there more than one • Date of CoO • Number of attachments • Accept evidence - Y / N – only available to the receiving supplier • Additional info – must be populated if N Auto populate: • Date of creation, date of response. • The Service Level Agreement (SLA) is 10 Working Days so it will need the RAG status based on that. Escalations screens – as per the standard REC escalations – including MPxN, date of creation and number of attachments. As part of any solution, the Code Manager will also update the non-mandatory Non-Domestic Change of Occupier Guidance Document to include further details on the newly dedicated SDEP screens, as well as further training material for Energy Suppliers.
No documents available.
There is currently no Change Plan.
Original submission
Change details
- - -
9 Jan 2025
Change details
Non-Domestic Change of Occupier SDEP Screens (R0155 Solution)
R0155 – Change of Occupier: Evidentiary Standards and Timescales sets out the requirement to use SDEP in certain circumstances as part of the R0155 solution.
However, due to the MHHS code freeze the new SDEP screens could not be developed as part of the R0155 solution and will need to be developed through a separate REC Issue/Change Proposal – as detailed in the R0155 Change Report.
However, due to the MHHS code freeze the new SDEP screens could not be developed as part of the R0155 solution and will need to be developed through a separate REC Issue/Change Proposal – as detailed in the R0155 Change Report.
Energy Suppliers were clear in their responses to the R0155 impact assessment and consultation that using a temporary work around (with the temporary solution being the use of existing screens PT0056 and PT0067) would create additional workload and risk.
The solution will be developed through the Change Issues Group. Attendees will be invited to discuss and determine the requirements for the dedicated Non-Domestic Change of Occupier SDEP screens.
A separate screen will be required for both Gas and Electricity.
To help drive those discussions a starting point could be as follows:
• MPXN
• Multi MPXN flag – ie are there more than
• Date of CoO
• Number of attachments
• Accept evidence - Y / N – only available to the receiving supplier
• Additional info – must be populated if N
Auto populate
• Date of creation, date of response.
• The SLA is 10 working days so it will need the RAG status based on that.
Escalations screens – as per the standard REC escalations – including MPXN, date of creation and number of attachments.
The solution will also require reporting for Performance Assurance and will include a plan for queries raised at cut over and data retention obligations.
A separate screen will be required for both Gas and Electricity.
To help drive those discussions a starting point could be as follows:
• MPXN
• Multi MPXN flag – ie are there more than
• Date of CoO
• Number of attachments
• Accept evidence - Y / N – only available to the receiving supplier
• Additional info – must be populated if N
Auto populate
• Date of creation, date of response.
• The SLA is 10 working days so it will need the RAG status based on that.
Escalations screens – as per the standard REC escalations – including MPXN, date of creation and number of attachments.
The solution will also require reporting for Performance Assurance and will include a plan for queries raised at cut over and data retention obligations.
Please see section 8.5 of the R0155 – Change Report (Final Recommendation) for further details on the use of SDEP in the Non-Domestic Change of Occupier process.
Impacts
No details provided
Ability to pay, Billing accuracy, Switching experience
-
No details provided
Non-Domestic Change of Occupier Schedule (New Schedule following implementation of R0155)
No details provided
-
No details provided
-
No details provided
-
No details provided
-
Secure Data Exchange Service
-
Energy Suppliers
-
No details provided
-
-
No details provided
Priority & timing
No
-
-
-
No details provided
Ability to pay, Billing accuracy, Switching experience
Activity
Implementation Date has been updated to 07 Nov 2025.
james.hardy has been allocated as Lead Analyst.
Orphaned SME: Lead Technical Analyst has been allocated as SME.