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BSCP128 Appendix 07: SVA Format data file (D0265) V4.0

Effective From Date:29/06/2017

Status:LIVE

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Defined Terms

Cross-references

BSC Procedure 128 - Appendix 7 relating to SVA Format Data File (D0265) and SVA Short Format File

1. Reference is made to the Balancing and Settlement Code (the Code) for the Electricity Industry in Great Britain and, in particular, to the definition of "BSC Procedure".

2. This is BSCP128 Appendix 7, Version 4.0 relating to the SVA Format data file (D0265) and SVA Short Format File.

3. This BSC Procedure Appendix is effective from 29 June 2017.

4. This BSC Procedure has been approved by the Panel.

1. D0265 DATA File submission

1.1 Annual Data File Submission

The annual SVA submission of a D0265 file must contain every¹ Line Loss Factor for every Settlement Period of every Settlement Date for the BSC Year².

1.2 Mid-year Data File Submission of new and revised LLFs³

A mid-year submission of a SVA D0265 can contain both new or revised Line Loss Factors only. A full set of data as per 1.1 is not required and can be submitted as a partial file. File submissions for mid-year can be in the format of either a full submission or partial submission.

A mid-year SVA D0265 submission that contains new or revised Line Loss Factors will be automatically added to the LDSOs full portfolio of LLFs by ELEXON.

1.3 New Entrants

New entrants are required to submit a full D0265 containing all Line Loss Factors associated with that distributor at first instance.

2. D0265 Data file

Flow Name:	Line Loss Factor Data File
Flow Description:	Details of line loss factors published by line loss factor class.
Flow Ownership:	BSC

From	To	Version
Distributor	HHDA	3.1
Distributor	Supplier	3.2
Distributor	SVAA	6.0

Data Items:

Reference	Item Name
J0189	Distributor Id
J0156	Line Loss Factor
J0147	Line Loss Factor Class Id
J0073	Settlement Date
J0074	Settlement Period Id

Flow Structure:

Group	Group Description	Range	Condition	L1	L2	L3	L4	L5	L6	L7	L8	Item Name
DIS	Distributor	1		G
					1							Distributor Id
LLF	Line Loss Factor Class	0-*		G
					1							Line Loss Factor Class Id
SDT	Settlement Date	0-*			G
						1						Settlement Date
SPL	Settlement Period Line Loss Factor	0-*				G
							1					Settlement Period Id
							1					Line Loss Factor

Version History:

Catalogue release change takes effect	CP No.	Brief description of the change and its reason
Version 3.2	2396	Flow occurrence from Distributor to Supplier added.
Version 4.0	2758	Flow occurrence from Distributor to IARA added.
Version 4.0	2804	Flow occurrence changed from 'PRS Agent to ISRA' to 'Distributor to ISRA'.
Version 6.0	3074	Flow ownership changed from 'Pool' to 'BSC'
Version 6.0	3077	Flow occurrence from Distributor to SVAA added
Version 7.7	3221	Notes added
Version 8.4	3271	Instance of Distributor to IARA removed
Version 8.5	3274	Instance of Distributor to ISRA removed

3. SVA SHORT FORMAT FILE

The SVA Short Format File is a file that Embedded LDSOs that Mirror a Hosts LDSO’s LLFs can submit to BSCCo detailing how its LLFCs map to its Host LDSO’s LLFCs. It can be submitted in the place of a D0265 file, and BSCCO will use it to create and submit a D0265 on behalf of the Embedded LDSO. It is only available to Embedded LDSOs that Mirror the Host LDSO’s LLFCs.

The SVA Short Format File is submitted as a Microsoft Excel (.XLS) file⁴. The file should contain a single tab, with a column for the Host LDSO’s MPID, the Host LDSO’s LLFC, the Embedded LDSOs MPID and the Embedded LLFC to be mapped, as well as effective from and to dates that the mappings cover. LDSOs can choose to create an individual file for each SVA MSID or combine multiple MSIDs into one file.

The collection of data records is detailed in the table below.

Item Name / column header	Description
Host_MPID	This is the Host LDSO identifier, as specified by J0189
Host_LLFC	This is the Host LDSO’s LLFC that the Embedded LDSO is mapping to, as specified by J0147
Embedded_MPID	This is the Embedded LDSO identifier, as specified by J0189
Embedded_LLFC	This is the Embedded LDSOs LLFC, as specified by J0147
Effective_from_date	01/04/YYYY for annual submissions
Effective_to_date	If the LLFC is enduring, the effective to date should be the end of the BSC Year (31/03/YYYY)

Example of an SVA Short Format File

AMENDMENT RECORD –BSCP 128 APPENDIX 7

Version	Date	Description of Changes	CRs Included	Mods Panel Ref
1.0	20/04/09	First Published	P216	153/04
2.0	26 June 2014	June 2014 Release	CP1407 v2.0	ISG157/01 SVG160/05 P225/12
3.0	3 Nov 2016	November 2016 Release	CP1461	ISG128/08 SVG186/04
4.0	29 June 2017	June 2017 Release	CP1476	ISG190/02 SVG192/03

Intellectual Property Rights, Copyright and Disclaimer

The copyright and other intellectual property rights in this document are vested in ELEXON or appear with the consent of the copyright owner. These materials are made available for you for the purposes of your participation in the electricity industry. If you have an interest in the electricity industry, you may view, download, copy, distribute, modify, transmit, publish, sell or create derivative works (in whatever format) from this document or in other cases use for personal academic or other non-commercial purposes. All copyright and other proprietary notices contained in the document must be retained on any copy you make.

All other rights of the copyright owner not expressly dealt with above are reserved.

No representation, warranty or guarantee is made that the information in this document is accurate or complete. While care is taken in the collection and provision of this information, ELEXON Limited shall not be liable for any errors, omissions, misstatements or mistakes in any information or damages resulting from the use of this information or action taken in reliance on it.

1 All Line Loss Factors (LLFs) that will be active for the forthcoming BSC year.

2 New or Revised Line Loss Factor Classes must follow the Market Domain Data time frames in BSCP509 ‘Change to Market Domain Data’ and new Calculated Self-Assessment Document (CSAD) BSCP128 is to be submitted on every occasion.

3 Mid year submission of revised LLFs are subject to the criteria defined in the LLF Methodology Principles 14, 15 and 16.

4 For any Parties that do not have Microsoft Excel, they can provide an equivalent CSV file in agreement with BSCCo.

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