Central Volume Allocation Agency (CVA) Metering Systems

Supplier Volume Allocation Agency (SVA) Metering Systems

BSCCo

BSCCo

LDSO

LDSO

Registrant

SVAA

CDCA

Suppliers

Panel

HHDAs

Panel

CVA Metering Systems

SVA Metering Systems

BSCP15 - BM Unit Registration

BSCP38 - Authorisations

BSCP25 - Registration of Transmission System Boundary Points, Grid Supply Points, GSP Groups and Distribution Systems Connection Points

BSCP68 - Transfer of Registration of Metering Systems between CMRS and SMRS

BSCP38 - Authorisations

BSCP503 - Half Hourly Data Aggregation For Metering Systems Registered in SMRS.

BSCP68 - Transfer of Registration of Metering Systems between CMRS and SMRS

BSCP508 - Supplier Volume Allocation Agent.

BSCP75 - Registration of Meter Aggregation Rules for Volume Allocation Units

BSCP509 - Changes to Market Domain Data

BSCP515 - Licensed Distribution

BSCP515 - Licensed Distribution

BCA

Balancing and Settlement Code Change Administrator

BSCCo

BSC Company

BSCP

Balancing and Settlement Code Procedure

CMRS

Central Meter Registration Service

Code

Balancing and Settlement Code

CDCA

Central Data Collection Agency

CVA

Central Volume Allocation

CVA LLF(s)

CVA Line Loss Factor(s)

EFD

Effective From Date

GSP

Grid Supply Point

GSPG

Grid Supply Point Group

HHDA(s)

Half Hourly Data Aggregator(s)

Id

Identifier

LDSO

Licensed Distribution System Operator¹

LLF

Line Loss Factor

LLFC Id(s)

Line Loss Factor Class Identifier(s)

LLFC(s)

Line Loss Factor Class (es)

MDD

Market Domain Data

MSID

Metering System Identifier

SMRS

Supplier Meter Registration Service

SVA

Supplier Volume Allocation

SVA LLF(s)

SVA Line Loss Factor(s)

SVAA

Supplier Volume Allocation Agent

WD

Working Day

Extra High Voltage (EHV)

As defined in the LDSO’s approved LLF methodology.

Embedded LDSO

A LDSO operating an independent distribution network connected to a Host LDSO’s distribution network².

e.g. This includes both independent LDSOs; and Host LDSOs that are operating outside their geographical area.

Day (Generic)

As defined in each Distribution System Operator’s Methodology Statement.

Generic LLF

The adjustment factor applied to the readings from a (group of) metering system(s) to adjust for losses on the distribution network and calculate the associated amount of energy at the GSP.

LLFC Group (Generic)

A group of Line Loss Factor Classes that share the same generic set of Line Loss Factors.

Night (Generic)

Hours of the Settlement Day not covered by Day (Generic).

Host LDSO

A LDSO operating a distribution network that is directly connected to the Transmission System in their own distribution licence area.

High Voltage (HV)

As defined in the LDSO’s approved LLF methodology excluding those high-voltage metered sites defined as EHV sites.

Low Voltage (LV)

As defined in the Special Conditions of a distribution licence granted pursuant to section 6(1)(c) of the Electricity Act 1989.

Manifest error: Retrospective changes

An unambiguous error in the application of the approved methodology, in the calculation input data or corruption of the LLF values in the submission process in such a way that there is a material impact on Settlement or a material impact to the advantage or detriment of the customer.

Material impact:

Retrospective changes

Mirror/Mirroring

An impact or estimated impact that has a value or estimated value greater than or equal to the Materiality Threshold for rectification of a valid Trading Dispute (as defined in BSC Procedure BSCP11).

Where the Embedded LDSO replicates the Generic Line Loss Factors of the relevant Host LDSO for their own specified LLFCs for the GSP Group.

Non-Technical Losses

Losses other than Technical Losses.

Registrant

See BSC Annex X-1

Remote Audit

An audit that is not performed at the LDSO’s offices but is performed using data requests to review records and conduct interviews remotely

Site Specific LLF

Where the Line Loss Factor is calculated for an individual Metering System and represents distribution losses specific to Metered Volumes measured by that Metering System.

Site Specific: Material Change

A Material Change (that occurs mid year) to the physical plant, apparatus, or distribution network that causes a significant change to the Technical Losses specific to the Metered Volumes measured by the Metering System as determined by the Panel.

Site Specific: Relevant Change

A significant change to the physical plant, apparatus, distribution network, or capacity that causes a change to the Line Loss Factors. This is used to determine whether Site Specific LLFs shall be recalculated for the annual LLF submission.

Technical Losses

Technical Losses are losses caused by the intrinsic electrical characteristics internal to the power system and consist mainly of power dissipation in electrical system components such as transmission lines, power transformers and measurement systems.

2.1.1

By 1 August prior to the relevant BSC year

Submit proposed methodology and MSAD, or MSAD only where there has been no change since the methodology was last approved.

LDSO

BSCCo

MSAD and methodology or MSAD confirming continued use of approved methodology in accordance with Appendix 1.

Email or other electronic means

2.1.2

Within 2 WD of 2.1.1

Acknowledge receipt of methodology and MSAD, or confirmation that there has been no change since the methodology was last approved.

If the methodology has not changed, proceed to Ref (2.1.6) below.

Or if incomplete information has been received from LDSO contact LDSO to advise of any further information required; or advise LDSO that no methodology has been submitted.

BSCCo

LDSO

Confirmation of receipt and notification of any initial concerns; or notification of failure to submit methodology.

Email, telephone or other electronic means

2.1.3

Within 5 WD of 2.1.1

Review methodology for compliance with the LLF Methodology Principles in accordance with Section 3.1 and provide draft report highlighting any non-compliance(s); or confirmation of continued use of approved methodology has been submitted.

BSCCo

LDSO

Methodology, MSAD, draft LDSO report, any non-compliances or confirmation of continued use of approved methodology.

Email or other electronic means

2.1.4

Within 5 WD of 2.1.3

Resolve any identified non-compliance(s) and submit updated methodology and MSAD; or submit methodology and MSAD if not submitted by deadline; or submit MSAD confirming continued use of existing approved methodology.

LDSO

BSCCo

MSAD, updated methodology, evidence of resolved non-compliance(s), methodology or MSAD confirming continued use of approved methodology.

Email, telephone or other electronic means

2.1.5

Within 15 WD of 2.1.1

If non-compliance(s) have been identified, review submission in Ref (2.1.4).

Provide report with confirmation of compliance or non-compliance.

BSCCo

LDSO

LDSO report.

Email, telephone or other electronic means

2.1.6

To meet Panel requirements

Submit a final report to Panel stating:

(a) Recommendations for the approval of each methodology with no non-compliance(s) or corrected non-compliance(s); or

(b) Any continued non-compliance(s); or

(c) Any failures to submit methodology or confirmation of continued use of approved methodology.

BSCCo

Panel

Final report.

Email or other electronic means

2.1.7

Within 1 WD of 2.1.6

Review report submitted in Ref (2.1.6) and:

Approve methodologies with no outstanding non-compliance(s); and

Note any non-compliance(s); and

Note any failures to submit a methodology or confirmation of continued use of existing approved methodology.

Panel

BSCCo

Final report and Panel decision.

-

2.1.8

Within 5 WD of 2.1.7

Notify each LDSO stating whether the Panel:

Approved the methodology; or

Noted any non-compliance(s); or

Noted the failure to submit a methodology; or

Noted the failure to submit confirmation of continued use of existing approved methodology.

BSCCo

LDSO

Notification detailing the Panel’s decision.

Email or other electronic means

2.1.9

To meet PAB requirements

Provide report detailing non-compliance(s) or failures to submit a methodology or failure to confirm continued use of existing approved methodology.

BSCCo

PAB

Report detailing non-compliance(s) and failures.

Email or other electronic means

2.2.1

By 1 August prior to relevant BSC year

If Embedded LDSO intends to use their own methodology they must submit proposed methodology and MSAD or MSAD only where there has been no change since the methodology was last approved.

Embedded LDSO

BSCCo

Confirmation of Mirroring Host or Embedded LDSO methodology and MSAD, in accordance with Appendix 2.

Email or other electronic means

2.2.2

Within 2 WD of 2.2.1

Acknowledge receipt of notification to Mirror.

Or where incomplete information received from Embedded LDSO contact Embedded LDSO to advise of any further information required.

BSCCo

Embedded LDSO

Confirmation of receipt and notification of any initial concerns.

Email, telephone or other electronic means

2.2.3

To meet Panel requirements

Submit a Panel paper stating:

(a) The Embedded LDSO shall Mirror Host or Embedded LDSO methodology (or methodologies).

(b) Any failures to submit notification to Mirror Host or Embedded LDSO methodology.

BSCCo

Panel

Report.

Email or other electronic means

2.2.4

Within 1 WD of 2.2.3

Review report submitted in Ref (2.2.3) and:

Note any interaction with Host or Embedded LDSO Methodologies reviewed in 2.1.7 and any non-compliance(s); and

Note any failures to notify BSCCo that the Embedded LDSO will Mirror Host or Embedded LDSO methodology (or methodologies).

Panel

BSCCo

Report detailing Panel decision.

2.3.1

By 1 August prior to the relevant BSC year

If required, send request to the relevant Host LDSO for boundary equivalent LLF values at the boundary between a Host LDSO and Embedded LDSO within the same GSP Group, to enable the Embedded LDSO to calculate Site Specific LLFs.

Embedded LDSO

Host LDSO

Embedded LDSO boundary equivalent profile(s) and other information required by the relevant Host LDSO. This should be agreed by the Host LDSO and Embedded LDSO prior to this deadline.

Email or other electronic means

2.3.2

Within 2 WD of Ref (2.3.1)

Acknowledge receipt of LLF request.

Or if incomplete information has been received from Embedded LDSO, request outstanding information.

Host LDSO

Embedded LDSO

Confirmation of receipt and notification of any initial concerns.

Email or other electronic means

2.3.3

By 1 September

If LLF methodology has been approved, submit data request for Remote Audit or propose dates to conduct a site visit.

If LLF methodology has not been approved, submit data request for Remote Audit or agree site visit dates as soon as any outstanding non-compliance(s) have been resolved.

BSCCo

LDSO

Data request⁴ or dates for site visit.

Email, telephone or other electronic means

2.3.4

By 10 September

If a site visit is required, agree date(s) with BSCCo. Where a date has not been agreed by this time BSCCo shall determine a suitable date for the site visit.

If a data request for Remote Audit has been provided, confirm that the data can be provided by 30 September.

LDSO

BSCCo

Data request or dates for site visit.

Email, telephone or other electronic means

2.3.5

By 1 October

If applicable, provide calculated boundary equivalent LLFs requested in Ref (2.3.1).⁵

Host LDSO

Embedded LDSO

LLF values.

Email or other electronic means

2.3.6

Within 2 WD of Ref (2.3.5)

If applicable, acknowledge receipt of LLF values.

Embedded LDSO

Host LDSO

Confirmation of receipt.

Email or other electronic means

2.3.7

By 30 September

or

31 October for Embedded LDSOs submitting Site Specific LLFs

Submit calculated LLFs⁶ in accordance with the approved methodology. This should be in the form of a completed CSAD⁷ signed by an authorised signatory as well as a completed CSAD Appendix 5.

If you are a Host LDSO, submit any calculated boundary equivalent LLFs requested in Ref (2.3.1).

Additionally, if there has been a change to a Line Loss Factor Class (LLFC) for an SVA submission then submit appropriate changes in accordance with BSCP509.

LDSO

BSCCo

CSAD (Appendix 3) signed by an authorised person in accordance with BSCP38, a completed CSAD Appendix 5 and:

(a) If CVA Submission: CVA Long or Short Format data files, in accordance with Appendix 6; and/or

(b) If SVA Submission: SVA Format data file (D0265) in accordance with Appendix 7 and information in accordance with BSCP509 if MDD changes are required.

(c) Keep equivalent boundary LLFs in a separate file from BSCP128 Appendix forms.

Email or other electronic means

2.3.8

Within 2 WD of Ref (2.3.7)

Acknowledge receipt of CSAD and LLFs and confirm authorised signature.

BSCCo

LDSO

Confirmation of receipt and authorised signature.

Email, telephone or other electronic means

2.3.9

Within 10 WD of Ref (2.3.7)⁸

Provide SVA LLF summary report to Host LDSOs and/or Embedded LDSOs that do not Mirror.

BSCCo

LDSO

Summary Report for SVA LLFs in accordance with Appendix 8.

Email or other electronic means

2.3.10

Within 10 WD of Ref (2.3.7)

Publish submitted LLFs on the BSC Website with a status of ‘pending’.

BSCCo

SVA LLF Summary Report and:

(a) If CVA Submission: CDCA-I022 data files; and/or

(b) If SVA Submission: D0265 data files.

BSC Website

2.3.11

Between 1 October and 20 November on date agreed in Ref (2.3.4) above

Conduct calculation audit in accordance with Section 3.5.^9,10

If LLFs have been re-calculated conduct audit, including spot checks on MSIDs.

If Host LDSOs have provided boundary equivalent LLFs to the Embedded LDSO, complete Host LDSO audit between 1 October and 12 November.

BSCCo

CSAD and CSAD Appendix 5 and:

(a) If CVA Submission: CDCA-I022 data file; and/or

(b) If SVA Submission: D0265 data file.

CSAD review, LLF validation system, site visits

2.3.12

Within 5 WD of calculation audit¹¹

Provide draft audit report highlighting any identified non-compliance(s) including where non-compliance of boundary equivalent LLFs requires recalculation of Embedded LDSO Site Specific LLF values.

BSCCo

LDSO

Draft LDSO report.

Email or other electronic means

2.3.13

Within 15 WD of calculation audit

Resolve any non-compliance(s) identified in Ref (2.3.12) and notify BSCCo.

If applicable, provide recalculated boundary equivalent LLFs to Embedded LDSO.

LDSO

BSCCo

Embedded LDSO

Any further information required and evidence of resolved non-compliance(s).

LLF values

Email, telephone or other electronic means

2.3.14

By 10 December

Submit any revised LLFs to address any outstanding non-compliance(s).

LDSO

BSCCo

Any revised LLFs as required and final CSAD with evidence of resolved non-compliance(s).

Final CSAD signed by an authorised person in accordance with BSCP38 and:

(a) If CVA re-submission: CVA Long or Short Format data files in accordance with Appendix 6; and/or

(b) If SVA re-submission: SVA Format data file (D0265) in accordance with Appendix 7 and information in accordance with BSCP509 if MDD changes are required.

Email or other electronic means

2.3.15

By 31 December

Conduct calculation audit on revised submission.

BSCCo

-

CSAD and:

(a) If CVA Submission: CDCA-I022 data file; and/or

(b) If SVA Submission: D0265 data file.

CSAD review, LLF validation system

2.3.16

By 31 December.

Provide final audit report and confirmation of compliance or non-compliance.

BSCCo

LDSO

Final LDSO report.

Email, telephone or other electronic means.

2.3.17

By 31 December

Publish revised LLFs on the BSC Website with a status of ‘pending’.

BSCCo

SVA LLF Summary Report and:

(a) If CVA Submission: CDCA-I022 data files; and/or

(b) If SVA Submission: D0265 data files.

BSC Website

2.3.18

To meet Panel Requirements

Submit a final report specifying the LLFs for which the audit did not identify non-compliance(s) (including resolved non-compliance(s)) and the LLFs for which the audit identified non-compliance(s) including any default values requiring approval¹².

Where MDD changes have been identified submit notice in accordance with BSCP509 that there has been (or is due to be) a change to MDD for Panel approval.

BSCCo

Panel

Final report, any default values and any MDD changes.

Email or other electronic means

2.3.19

To meet Panel Requirements

Approve LLFs with no identified non-compliance(s) and note any non-compliant LLFs in Ref (2.3.18) above.

Approve default values for any non-compliant LLFs.

Panel

BSCCo

LLFs, Final report and any default values.

-

2.3.20

Within 1 WD of Ref (2.3.19)

Notify Panel decision.

Panel

BSCCo

Panel decision.

-

2.3.21

To meet PAB requirements

Provide a copy of the final report in Ref (2.3.18) giving details of any non-compliance(s).

BSCCo

PAB

Final report in Ref (2.3.18) with details of any non-compliance(s).

2.3.22

Within 2 WD of Ref (2.3.20)

Provide a final report for the LDSO stating whether the Panel:

Approved LLFs with no outstanding non-compliance(s); or

Noted any continued non-compliance(s) and approved default values.

BSCCo

LDSO

Final report detailing Panel approval of LLFs; any default values and any continued non-compliance(s).

Email or other electronic means

2.3.23

As agreed between BSCCo and the LDSO

If the Panel has noted any non-compliance(s), liaise with BSCCo to correct and re-submit LLFs.¹³

LDSO

BSCCo

Any revised LLFs as required and final CSAD with evidence of resolved non-compliance(s).

Email or other electronic means

2.3.24

Within 2 WD of Ref (2.3.20)

Notify Parties of LLFs approved by the Panel.

BSCCo

Parties

LLFs approved by the Panel (including any default LLFs).

Email or other electronic means

2.3.25

Within 2 WD of Ref (2.3.20)

Update LLFs on BSC Website to be utilised in Settlement, when either:

(a) The Panel has approved the submission, update LLFs and EFD; or

(b) If the Panel has approved default values, update LLFs to default values to be used in Settlement and EFD.

If SVA submission only – BSCCo should proceed to Ref (2.3.32).

If both CVA and SVA submission then – BSCCo should proceed from Ref (2.3.28) onwards.

BSCCo

-

Confirmation of Panel decision, LLFs and default values for non-approved LLFs.

Electronic means

2.3.26

Within 5 WD of Ref (2.3.25)

Obtain LLFs for the LLFCs from BSC Website.

-

HHDAs/ Suppliers

D0265 data files.

BSC Website

2.3.27

Within 10 WD of Ref (2.3.26)

HHDAs and Suppliers implement into systems.

HHDAs/ Suppliers

-

D0265 data files.

-

2.3.28

By 10 March.

Provide CDCA with CVA LLFs for use in Settlement:

(a) If the Panel has approved the CVA LLF submission, provide CVA LLFs and EFD; or

(b) If the Panel has approved default values, provide default CVA LLF values and EFD.

BSCCo

CDCA

Confirmation of approval of

CVA LLFs and EFD contained in CDCA-I022 data files; or

CVA Metering System ID, CDCA-I022 data files and

EFD.

Email or other electronic means

2.3.29

Within 1 WD of Ref (2.3.28)

Acknowledge receipt of CVA LLFs and notify BSCCo of any exceptions via the CDCA-I023 data file.

CDCA

BSCCo

CDCA-I023 data file.

Email or other electronic means

2.3.30

Within a timescale agreed between CDCA and BSCCo

Implement approved CVA LLFs in accordance with CDCA-I022 data files supplied in Ref (2.3.28) above into CDCA systems.

CDCA

-

CDCA-I022 data files.

-

2.3.31

Within 1 WD of Ref (2.3.30)

Notify BSCCo of successful CDCA-I022 load.

CDCA

BSCCo

-

Email or other electronic means

2.3.32

By 10 March.

Provide SVAA with SVA LLFs for use in Settlement:

(a) If the Panel has approved the SVA LLF submission, provide SVA LLFs and EFD; or

(b) If the Panel has approved default values, provide default SVA LLF values and EFD.

BSCCo

SVAA

Confirmation of approval of

SVA LLFs and EFD contained in D0265 data files; or

D0265 data files, default values and EFD.

Email or other electronic means

2.3.33

Within 1 WD of Ref (2.3.32)

Acknowledge receipt of SVA LLFs.

SVAA

BSCCo

-

Email or other electronic means

2.3.34

Within a timescale agreed between SVAA and BSCCo

Implement approved SVA LLFs in accordance with D0265 data files supplied in Ref (2.3.32) above into SVAA systems.

SVAA

D0265 data files.

Email or other electronic means

2.3.35

Within 1 WD of Ref (2.3.34)

Notify BSCCo of successful D0265 data file load.

SVAA

BSCCo

-

Email or other electronic means

2.4.1

By 1 September

Provide list of Metering Systems to be audited for the correct application of LLFC.

BSCCo

Embedded LDSO

List of Metering Systems

Email or other electronic means

2.4.2

By 30 September

Confirm LLFC and voltage for each Metering System in list provided by BSCCo.

Embedded LDSO

BSCCo

List of Metering Systems

Email or other electronic means

2.4.3

By 10 October

Check a representative sample of Metering Systems are assigned to the correct LLFC.

BSCCo

-

MSAD

Metering System sample

Email, other electronic means or Site visit

2.4.4

By 10 October

Provide Metering System sample report highlighting any non-compliance(s).

BSCCo

Embedded LDSO

Metering System sample report.

Email or other electronic means

2.4.5

By 31 December

Resolve any identified non-compliance(s) in Ref (2.4.4) and notify BSCCo.

Embedded LDSO

BSCCo

Any further information required and evidence of resolved non-compliance(s).

Email, telephone or other electronic means

2.4.6

By 31 December + 10 WD

Obtain LLFs submitted by the relevant Host LDSO(s) or Embedded LDSOs that do not Mirror; and submit LLFs⁵ and CSAD documents in accordance with approved Host LDSO or Embedded LDSO methodology.

Embedded LDSO

BSCCo

LDSO’s submitted LLFs;

(a) If CVA Submission: CVA Long or Short Format data files in accordance with Appendix 6; and/or

(b) If SVA Submission: SVA Format data file (D0265) or Short Format data file(s) in accordance with Appendix 7 and information in accordance with BSCP509 if MDD changes are required.

This must be accompanied by a CSAD for Embedded LDSOs that Mirror in accordance with Appendix 4, signed by an authorised person in accordance with BSCP38 and an Appendix 5.

BSC Website or Host LDSO or Embedded LDSO that does not Mirror

Email or other electronic means

2.4.7

Within 2 WD of 2.4.6

Acknowledge receipt of CSAD and LLFs and confirm authorised signature.

BSCCo

Embedded LDSO

Confirmation of receipt and authorised signature.

-

2.4.8

Within 4 WD of 2.4.6

Conduct LLF Calculation Audit.

BSCCo

-

CSAD and:

(a) If CVA submission: CVA Long or Short Format data files or other format agreed with BSCCo; and/or

(b) If SVA submission: D0265 data files or other format agreed with BSCCo.

LLF Validation System, Host LDSO LLF submissions

2.4.9

Within 6 WD of 2.4.6

Provide draft audit report highlighting any non-compliance(s).

BSCCo

Embedded LDSO

Draft LDSO report.

Email or other electronic means

2.4.10

Within 10 WD of 2.4.9

Resolve any identified non-compliance(s) in Ref (2.4.9) and notify BSCCo.

Embedded LDSO

BSCCo

Any further information required and evidence of resolved non-compliance(s).

Email, telephone or other electronic means

2.4.11

At same time as 2.4.10

Submit any revised LLFs to address any outstanding non-compliance(s).

Embedded LDSO

BSCCo

Any revised LLFs as required and final CSAD with evidence of resolved non-compliance(s).

The submission should include the final CSAD signed by an authorised person in accordance with BSCP38 as well as an Appendix 5 and; and:

(a) If CVA re-submission: CVA Long or Short Format data files in accordance with Appendix 6; and/or

(b) If SVA re-submission: SVA Format data file (D0265) or Short Format file(s) in accordance with Appendix 7 and information in accordance with BSCP509 if MDD changes are required.

Email or other electronic means

2.4.12

Within 4 WD of 2.4.10

Conduct calculation audit on revised submission.

BSCCo

-

-

CSAD review, LLF validation system.

2.4.13

Within 6 WD of 2.4.10

Produce final audit report and confirmation of compliance or non-compliance.

Proceed to Section 2.3 of this BSCP and continue onwards from Ref (2.3.18) to complete the submission and audit process.

BSCCo

Embedded LDSO

Final LDSO report.

Email or other electronic means

2.5.1

>= EFD-50 WD if mid-year submission for new site; or

>=EFD-40 WD if mid-year submission of revised LLFs for an existing site

Submit calculated LLFs in accordance with the approved methodology and completed CSAD⁶ (Appendix 10) signed by an authorised signatory.

LDSO

BSCCo

CSAD signed by an authorised person in accordance with BSCP38; and

(a) If CVA Submission: CVA Long or Short Format data files in accordance with Appendix 6; and/or

(b) If SVA Submission: SVA Format data file (D0265) in accordance with Appendix 7 and information in accordance with BSCP509 if MDD changes are required.

Email or other electronic means

2.5.2

Within 2 WD of 2.5.1

Acknowledge receipt of CSAD and LLFs and confirm authorised signature.

BSCCo

LDSO

Confirmation of receipt and authorised signature.

Email or telephone

2.5.3

Within 5 WD of 2.5.1

Conduct calculation audit.⁸

BSCCo

CSAD and

(a) If CVA submission: CVA Long or Short Format data files; and/or

(b) If SVA submission: D0265 data files.

LLF validation system

2.5.4

Within 5 WD of 2.5.3

Produce final report and confirmation of compliance or non-compliance.

Proceed to Ref (2.3.19).

BSCCo

LDSO

Final Report.

Email or other electronic means

1

The calculation details must be provided in a spreadsheet format (requirement 7 and 9 can be provided in additional attachments)

2

Show the year of data being used to calculate the Line Loss Factor

3

Show that the Line Loss Factor calculation takes into account both variable losses and fixed losses

4

Show/confirm that the Line Loss Factor calculation takes into account Technical Losses only

5

Show that Line Loss Factor is calculated for the SToD as defined in the methodology statement

6

Show the difference in network losses when the customer is connected and disconnected

7

Provide screenshot/raw data to support requirement 6

8

Show the customer's load data that is being used to calculate the Line Loss Factor

9

Show the customer's line diagram and label the connection voltage for the customer

10

Check the calculated Line Loss Factor values against previously approved values (within acceptable tolerance level)

11

Show both export and import LLF calculations using the “Additional LLF Calculation” sheet. Provide a description on how the export LLF and import LLF are combined to calculate the final LLF. This is only applicable if export and import LLFs are individually calculated and then combined to derive the final LLF.

Version

Date

Description of Changes

Changes Included

Mods/ Panel/ Committee Refs

1.0

20/04/09

First Published

P216

153/04

2.0

24/06/10

June 10 Release

CP1326

ISG111/03

SVG111/01

3.0

30/06/11

June 11 Release

CP1343

SVG122/02

ISG122/03

4.0

28/06/12

June 12 Release

CP1370

ISG135/05

SVG136/05

28/06/12

June 12 Release

CP1371

ISG135/06

SVG136/06

5.0

28/02/13

February 13 Release

CP1375

ISG137/07

SVG139/07

6.0

26/06/14

June 14 Release

CP1407 v2.0

ISG157/01

SVG160/05

P225/12

7.0

03/11/16

November 16 Release

CP1461

ISG128/08

SVG186/04

8.0

22/02/18

February 2018 Release

CP1492

ISG198/06

SVG200/04

9.0

27/02/20

February 2020 Release

CP1519

ISG221/05

SVG224/04

10.0

01/09/21

1 September 2021 Non-Standard Release

P420

P316/05

11.0

04/11/21

4 September Standard Release

CP1547

ISG245/05

SVG247/03

12.0

29/02/24

24 February 2024 Standard Release

CP1578

ISG269/01

SVG271/02

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