List of Change Releases for 2021
This page sets out the different Release information for each of the releases that are schedule for 2021. The page includes information for Standard Releases, which take place three times per year; Non-Standard Releases, which are scheduled for Regulatory driven changes; and Special Releases which have a recommended Implementation Date of [five] Working Days following Ofgem approval.
On this page
November 2021 Release
Implementation date
The approved Implementation Date for this Release is 4 November 2021.
Approved amendments
You can find the approved amendments for each document for each change on the relevant change page. We also publish Conformed Versions of documents on the Changes Awaiting Implementation webpage, which include amendments to the documents for all approved changes (and not just this Release).
Scope of the Release
The following changes are in scope:
Approved Changes
- P399: ‘BSAD Identity Visibility’
- CP1541: ‘Use of D0004 in BSCP502’
- CP1544: ‘BSCCo Approved EFR Representative sign-off required for any EFR plan following escalation’
- CP1545: ‘Introducing Technical Assurance of Metering (TAM) Central Volume Allocation (CVA) Specific Sample Audits’
- CP1547: ‘Clarification on Site Specific LLF Calculation Process for Embedded LDSOs’
Impact on BSC Systems
There are impacts to BSC Systems. Changes to the file structure of the BMRA-I014 ( also defined as SAA-I026) and SAA-I014 files will require changes to BMRS and SAA so that they can accept and publish the file/send the file to Parties.
Configurable Items impacted by this Release
Certain documents (in accordance with the Baseline Statement) are approved when the change is approved. Others following approval of the change, are drafted and approved as part of the Implementation Phase.
All documents on the Baseline Statement are issued for industry consultation or comment and approved by the BSC Panel or a Panel Sub-Committee.
Title | New Version | Document Status | Document Approving Body | Document Approval Date | Mod/CP | Change Status |
---|---|---|---|---|---|---|
Section Q |
40.0 |
Approved |
Panel |
18 May 2021 |
P399 |
Approved |
Section X Annex X-1 |
103.0 |
Approved |
Panel |
18 May 2021 |
P399 |
Approved |
NETA IDD Part 1 (Document) | 48.0 | Approved | Panel | 18 May 2021 | P399 | Approved |
NETA IDD Part 1 (Excel) | 36.0 | Approved | ISG | 18 May 2021 | P399 | Approved |
NETA IDD Part 2 (Document) | 47.0 | Approved | ISG | 18 May 2021 | P399 | Approved |
NETA IDD Part 2 (Excel) | 33.0 | Approved | ISG | 18 May 2021 | P399 | Approved |
BMRA Service Description | 25.0 | Approved | ISG | 18 May 2021 | P399 | Approved |
SAA Service Description | 33.0 | Approved | ISG | 18 May 2021 | P399 | Approved |
BMRS API & Data Push User Guide | 6.0 | Approved | Elexon | 18 May 2021 | P399 | Approved |
Section Q Simple Guide | 40.0 | Approved | Elexon | 18 May 2021 | P399 | Approved |
Section X Annex X-1 Simple Guide | 103.0 | Approved | Elexon | 18 May 2021 | P399 | Approved |
BSCP128 | 11.0 | Approved | ISG/SVG | 07 September 2021 | CP1547 | Approved |
BSCP502 | 34.0 | Approved | SVG | 04 May 2021 | CP1541 | Approved |
BSCP538 | 4.0 | Approved | ISG/SVG | 05 October 2021 | CP1544 | Approved |
BSCP27 | 22.0 | Approved | ISG/SVG | 03 August 2021 | CP1545 | Approved |
Document Impact Matrix
You can see a complete list of BSC documents impacted by the November 2021 Release in the Document Impact Matrix.
June 2021: Standard Release
Implementation date
The approved Implementation Date for this Release is 24 June 2021.
Approved amendments
You can find the approved amendments for each document for each change on the relevant change page. We also publish conformed versions of documents on the Changes Awaiting Implementation webpage, which include amendments to the documents for all approved changes (and not just this release).
Scope of the Release
The following changes are in scope:
Approved Changes
-
P398: ‘Increasing access to BSC Data’
-
CP1530: ‘Introduction of a formalised process for the validation of measurement transformer ratios by Elexon’
- CP1539: ‘Inclusion of LCCC as an Affected party in Metering Dispensation applications’
- CP1540: ‘Strengthening the Qualification – Change of Ownership Process’
Impact on BSC Systems
There are no impacts to BSC Systems.
Configurable Items impacted by this Release
Certain documents (in accordance with the Baseline Statement) are approved when the change is approved. Others following approval of the change, are drafted and approved as part of the implementation phase.
All documents on the Baseline Statement are issued for industry consultation or comment and approved by the BSC Panel or a Panel Sub-Committee.
Title | New Version | Document Status | Document Approving Body | Document Approval Date | Mod/CP | Change Status |
---|---|---|---|---|---|---|
Section B |
28.0 |
Approved |
Panel |
10 December 2020 |
P398 |
Approved |
Section H |
31.0 |
Approved |
Panel |
10 December 2020 |
P398 |
Approved |
Section V |
44.0 |
Approved |
Panel |
10 December 2020 |
P398 |
Approved |
Section X Annex X-1 |
97.0 |
Approved |
Panel |
10 December 2020 |
P398 |
Approved |
BSCP514 |
37.0 |
Approved |
SVG |
1 December 2020 |
CP1530 |
Approved |
BSCP515 |
17.0 |
Approved |
SVG |
1 December 2020 |
CP1530 |
Approved |
BSCP32 |
12.0 |
Approved |
Panel |
8 April 2021 |
CP1539 |
Approved |
BSCP537 |
14.0 |
Approved |
ISG/SVG/PAB |
4 May 2021 |
CP1540 |
Approved |
1.0 |
Pending |
Panel |
8 April 2021 |
P398 |
Approved |
Document Impact Matrix
You can see a complete list of BSC documents impacted by the June 2021 Release in the Document Impact Matrix.
April 2021: Non-standard Release
Implementation date
The approved implementation date for this release is 1 April 2021.
Approved amendments
You can find the approved amendments for each document for each change on the relevant change page. We also publish conformed versions of documents on the Changes Awaiting Implementation webpage, which include amendments to the documents for all approved changes (and not just this release).
Scope of the Release
The following changes are in scope:
Approved Changes
- P383: Enhanced reporting of demand data to the NETSO to facilitate CUSC Modifications CMP280 and CMP281
- P418 Self-Governance: Amendments to the P383 legal text for Additional BM Units
- CP1531: Additionally provide the TUoS Report to National Grid ESO at the II Settlement Run
- CP1538: Correct Specification of TERRE Tibco messages
Impact on BSC Systems
Configurable Items impacted by this Release
Certain documents (in accordance with the Baseline Statement) are approved when the change is approved. Others; following approval of the change, are drafted and approved as part of the implementation phase.
All documents on the Baseline Statement are issued for industry consultation or comment and approved by the BSC Panel or Panel Sub-Committee.
Document Impact Matrix
You can see a complete list of BSC documents impacted by the April 2021 Standalone Release in the Document Impact Matrix.
Title | New Version | Document Status | Document Approving Body | Document Approval Date | Mod/CP | Change Status |
---|---|---|---|---|---|---|
Section S |
37.0 |
Approved |
Panel |
28 February 2020 |
P383 |
Approved |
Section S ANNEX S-2 |
28.0 |
Approved |
Panel |
14 January 2021 |
P383, P418 |
Approved |
Section X ANNEX X-1 |
96.0 |
Approved |
Panel |
28 February 2020 |
P383 |
Approved |
Section X ANNEX X-2 |
49.0 |
Approved |
Panel |
14 January 2021 |
P383, P418 |
Approved |
BSCP508 |
31.0 |
Approved |
SVG |
1 September 2020 |
CP1531 |
Approved |
NETA IDD Part 1 |
44.0 |
Approved |
ISG |
2 February 2021 |
CP1538 |
Approved |
26.0 |
Approved |
SVG |
2 March 2021 |
P383 |
Approved |
|
3.0 |
Pending |
Panel |
11 March 2021 |
P383 |
Approved |
|
9.0 |
Approved |
SVG |
2 March 2021 |
P383 |
Approved |
|
21.0 |
Approved |
SVG |
2 March 2021 |
P383 |
Approved |
|
54.0 |
Approved |
SVG |
2 March 2021 |
P383 |
Approved |
|
43.0 |
Approved |
SVG |
2 March 2021 |
P383 |
Approved |
|
Section S (Simple Guide) |
37.0 |
Pending |
Elexon |
n/a |
P383 |
Approved |
Section S-2 (Simple Guide) |
28.0 |
Pending |
Elexon |
n/a |
P383, P418 |
Approved |
Section X-1 (Simple Guide) |
96.0 |
Pending |
Elexon |
n/a |
P383 |
Approved |
Section X-2 (Simple Guide) |
49.0 |
Pending |
Elexon |
n/a |
P383, P418 |
Approved |
March 2021: Non-standard Release
Implementation date
The approved Implementation Date for this Release is 18 March 2021.
Approved amendments
You can find the approved amendments for each document for each change on the relevant change page. We also publish conformed versions of documents on Changes Awaiting Implementation, which include amendments to the documents for all approved changes (and not just this Release).
Scope of the Release
The following changes are in scope:
Approved Changes
- P408: ‘Simplifying the Output Usable Data Process’ (Self-Governance).
Impact on BSC systems
There is no impact to BSC systems.
Configurable Items impacted by this Release
Certain documents (in accordance with the Baseline Statement) are approved when the change is approved. Others; following approval of the change, are drafted and approved as part of the implementation phase.
All documents on the Baseline Statement are issued for industry consultation or comment and approved by the BSC Panel or Panel Sub-Committee.
Document Impact Matrix
You can see a complete list of BSC documents impacted by the 18 March 2021 Standalone Release in the Document Impact Matrix.
Title | New Version | Document Status | Document Approving Body | Document Approval Date | Mod/CP | Change Status |
---|---|---|---|---|---|---|
Section Q | 39.0 | Approved | Panel | 9 July 2020 | P408 | Approved |
Section X – ANNEX-2 | 49.0 | Approved | Panel | 9 July 2020 | P408 | Approved |
BMRA URS | 23.0 | Approved | ISG | 6 October 2020 | P408 | Approved |
NETA IDD Part 1 (Document) | 45.0 | Approved | ISG | 6 October 2020 | P408 | Approved |
NETA IDD Part 1 (EXCEL) | 35.0 | Approved | ISG | 6 October 2020 | P408 | Approved |
NETA IDD Part 2 (Document) | 46.0 | Approved | ISG | 6 October 2020 | P408 | Approved |
NETA IDD Part 2 (EXCEL) | 32.0 | Approved | ISG | 6 October 2020 | P408 | Approved |
Section Q Simple Guide | 39.0 | Approved | Elexon | n/a | P408 | Approved |
Section X – Annex X-2 Simple Guide | 49.0 | Approved | Elexon | n/a | P408 | Approved |
BMRS API and Data Push Guide | 5.0 | Approved | Elexon | n/a | P408 | Approved |
February 2021: Standard Release
Implementation date
The approved Implementation Date for this Release is 25 February 2021.
Approved amendments
You can find the approved amendments for each document for each change on the relevant change page. We also publish conformed versions of documents on Changes Awaiting Implementation, which include amendments to the documents for all approved changes (and not just this Release).
Scope of the Release
The following changes are in scope:
Approved Changes
- P414: ‘Allowing a Party to Withdraw from the BSC and transfer outstanding liabilities to another Party’
- CP1530: ‘Introduction of a formalised process for the validation of measurement transformer ratios by Elexon’ (Part) – All document changes for CP1530 will be implemented in the June 2021 Release, but the Elexon Portal changes will be implemented in this Release. This change will be implemented on 8 February 2021 (in the evening) and and will become effective immediately.
- CP1533: ‘Mandatory Sending of D0052 for DCC serviced SVA NHH Metering Systems’
- CP1534: ‘Introduce Change of Supplier (CoS) – No Meter Process’
- CP1536: ‘Use of DTC data flow D0379 for submission of unmetered Half Hourly data’
- CP1537: ‘Extending the Timescales for agreeing Technical Assurance of Performance Assurance Parties (TAPAP) Findings Reports’
Impact on BSC systems
There is no impact to BSC systems. There is a change to the Elexon Portal only, as part of CP1530. This phased approach is to allow participants to carry out data cleansing before CP1530 goes live.
Configurable Items impacted by this Release
Certain documents (in accordance with the Baseline Statement) are approved when the change is approved. Others; following approval of the change, are drafted and approved as part of the implementation phase.
All documents on the Baseline Statement are issued for industry consultation or comment and approved by the BSC Panel or Panel Sub-Committee.
Document Impact Matrix
You can see a complete list of BSC documents impacted by the February 2021 Release in the Document Impact Matrix.
Title | New Version | Document Status | Document Approving Body | Document Approval Date | Mod/CP | Change Status |
---|---|---|---|---|---|---|
Section A | 10.0 | Approved | Panel | 10 December 2020 | P414 | Approved |
Section H |
32.0 |
Approved |
Panel |
10 December 2020 |
P414 | Approved |
BSCP65 |
19.0 |
Approved |
Panel |
10 December 2020 |
P414 | Approved |
BSCP502 |
32.0 |
Approved |
SVG |
01 September 2020 |
CP1534 | Approved |
BSCP504 |
46.0 |
Approved |
SVG |
01 September 2020 |
CP1533, CP1534 | Approved |
BSCP514 |
37.0 |
Approved |
SVG |
01 September 2020 |
CP1534 | Approved |
BSCP520 |
28.0 |
Approved |
SVG |
06 October 2020 |
CP1536 | Approved |
BSCP535 |
12.0 |
Approved |
SVG/PAB |
03 November 2020 |
CP1537 | Approved |
Section A (Simple Guide) |
10.0 |
Approved |
Elexon |
14 December 2020 |
P414 | Approved |
Section H (Simple Guide) |
32.0 |
Approved |
Elexon |
n/a |
P414 | Approved |
Market Exit Simple Guide to Withdrawal from the BSC (Guidance Note) |
7.0 |
Approved |
Elexon |
14 December 2020 |
P414 | Approved |