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BSCP 05 Meter Advance Reconciliation For Central Volume Allocation

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BSC Procedure 05 relating to Meter Advance Reconciliation For Central Volume Allocation

1. Reference is made to the Balancing and Settlement Code and, in particular, to the definition of "BSC Procedure" in Section X, Annex X-1 thereof.

2. This is BSC Procedure 05, Version 10.0 relating to Meter Advance Reconciliation for Central Volume Allocation.

3. This BSC Procedure is effective from 24 June 2010.

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

1 INTRODUCTION

1.1 Purpose and Scope of the Procedure

This procedure covers the processing, agreement and authorisation of Meter readings in accordance with Section R paragraph 6.2 of the Code. This process provides verification of the accumulation of the half hourly metered data collected by the Central Data Collection Agent (CDCA) for the purposes of Settlement.

The procedure involves:

(a) The recording and witnessing of the Meter readings by the CDCA and their transfer to the Registrant.

(b) The further processing and notification of Meter Advance Reconciliation (MAR) results by the CDCA to the Registrant.

(c) The notification of MAR errors to BSCCo.

The procedure does not cover the following:

(a) MAR for Metering Equipment for Supplier Volume Allocation (SVA);

(b) The disputes procedure to be taken in the event that the MAR values do not reconcile with the half hour metering value accumulations.

1.2 Main Users of the Procedure and their Responsibilities

The main users of this procedure are:

(a) CDCA:

    • Production of annual Meter reading schedule.

    • Take Meter readings and carry out a visual inspection of the Metering Equipment.

    • Performing MAR and providing results to the Registrants.

    • Informing BSCCo of MAR result where there is an error.

    • Responsible for obtaining the Meter readings.

(b) REGISTRANT:

    • Witnessing Meter readings, if in attendance.

    • Raising disputes as appropriate as a result of MAR discrepancy.

(c) METER OPERATOR AGENT:

    • As Registrant

1.3 Key Milestones

The key milestones in this procedure are:

    • Annual notification of the Meter reading schedule for a 12 month period to the Registrant and Meter Operator Agent (MOA) of the Metering Equipment and the BSCCo.

    • Taking Meter readings according to the Meter reading schedule.

1.4 Balancing and Settlement Code Provision

This BSCP should be read in conjunction with the Code and in particular Section R.

This BSCP has been produced in accordance with the provisions of the Code. In the event of an inconsistency between the provisions of this BSCP and the Code, the provisions of the Code shall prevail.

1.5 Associated BSC Procedures

This procedure interfaces with the following BSCPs:

BSCP11 Trading Queries and Trading Disputes

BSCP38 Authorisations

1.6 Other

The nominal tolerance value for acceptable MAR shall be not greater than ±0.1%, and subject to review by the BSCCo. The tolerance value shall also take into account low energy values in accordance with the guidelines in Appendix 4.2.

2 ACRONYMS AND DEFINITIONS

2.1 List of Acronyms

The following is a list of acronyms used in BSCP05:

BSCCo

Balancing and Settlement Code Company

BST

British Summer Time

CDCA

Central Data Collection Agent

CT

Current Transformer

LDSO

Licensed Distribution System Operator

LIU

Local Interrogation Unit

MAR

Meter Advance Reconciliation

MOA

Meter Operator Agent

MSID

Metering System Identifier

MSSY

Metering Sub System Identifier

SVA

Supplier Volume Allocation

UTC

Co-ordinated Universal Time

VT

Voltage Transformer

WD

Working Day

2.2 List of Definitions

Full definitions of the above acronyms are included in the Code.

3 INTERFACE AND TIMETABLE INFORMATION

3.1 Meter Advance Reconciliation

Meter readings shall be scheduled according to the type of Metering System:

    • For Meters with integral Outstations that provide a cumulative reading of the prime Meter register equivalent to the total consumption or production of that Meter, the CDCA shall carry out an in-house daily Meter Advance Reconciliation (MAR) using the period half hour data and associated cumulative register data collected as part of the routine dial up process. The tolerance for this MAR shall be ±5%1. The CDCA shall schedule a site visit to carry out an MAR and visual check every 12 months.

    • For Meters with integral Outstations that do not provide a cumulative reading of the prime Meter register equivalent to the total consumption or production of that Meter, the CDCA shall schedule a site visit to carry out an MAR and visual check every 6 months.

    • For Meters with external Outstations, the CDCA shall schedule a site visit to carry out an MAR and visual check every 3 months.

    • For Meters with external Outstations which are located Offshore at Offshore Power Park Modules, the CDCA shall schedule an initial site visit to carry out a MAR and visual check within 3 months of the Metering Equipment becoming registered in CMRS. Thereafter site visits will be conducted every 12 months.

REF

WHEN

ACTION

FROM

TO

INPUT INFORMATION REQUIRED

MEDIUM

3.1.1

Annually

Notification of the Meter reading schedule for a 12 month period.

CDCA

Registrant

MOA

Date and site(s) for Meter reading

Fax / Post / Email

3.1.2

At least 5 WD before the Meter reading

Confirmation of particular Meter reading(s) arrangements.

CDCA

Registrant

MOA

Date and site(s) for Meter reading

Fax / Post / Email

3.1.3

As scheduled.

Record the physical Meter reading(s), date and time in the presence of the Registrant’s representative, if attending.

Where the Meter has an integral outstation and the facility for electronic local interrogation, the CDCA may utilise a LIU for this purpose.

CDCA

Signed record of Universal Meter Reading Sheet (BSCP05/4.1)

Or

LIU data

BSCP05/4.1 requires any witness who signs to be an authorised person. An authorised person must be registered under BSCP38 by the Party.

3.1.4

At the time of the Meter reading

Carry out a visual inspection of the Metering Equipment as specified in Appendix 4.3 and complete Form BSCP05/4.3.

CDCA

BSCP05/4.3 CDCA Metering System Visual Inspection

3.1.5

Within 5 WD of Meter reading

Copy the completed Meter reading sheets to the Registrant and MOA and retain originals.

CDCA

Registrant(s)

MOA

Signed record of Universal Meter Reading Sheet (BSCP05/4.1)

Post/ Electronic

3.1.6

Within 5 WD of Meter reading

Copy the completed CDCA Metering System Status Report to BSCCo.

CDCA

BSCCo

BSCP05/4.3 CDCA Metering System Visual Inspection

Fax/ Post/ Email

3.1.7

Within 5 WD of Meter reading

Notify Registrant and MOA of any metering defects that they should remedy.

CDCA

Registrant

MOA

Details of any metering defects as a result of the visual inspection carried out at the time of the Meter reading.

Fax/ Post/ Email

3.1.8

Within 5 WD of Meter reading

Perform MAR

CDCA

BSCP05/4.1, Universal Meter Reading Sheet

Internal Process

3.1.9

Within 15 WD of Meter reading

Notify the Registrant and MOA of the MAR result(s) and request an explanation of discrepancies greater than ±0.1%.

CDCA

Registrant(s)2, MOA (and if appropriate LDSO)

MAR result and explanation of discrepancy, as appropriate.

Fax/ Post/ Email

3.1.10

Within 5 WD of 3.1.9

Provide explanation of any discrepancies greater than ±0.1%.

MOA

CDCA

Explanation of any discrepancies greater than ±0.1%.

Fax/ Post/ Email

3.1.11

Within 15 WD of Meter reading

Notify the BSCCo of the MAR results where there is a discrepancy greater than ±0.1%

CDCA

BSCCo

MAR error result

Fax/ Post/ Email

3.1.12

Within 20 WD of Meter reading.

Discuss possible erroneous values resolving, if possible, any apparent discrepancy.

MOA

CDCA

Explanation of discrepancy

Fax/ Post/ Email

3.1.13

Within 21 WD of Meter reading

Submit corrected data to the following Volume Allocation Runs unless the discrepancy is not yet resolved. Once resolved submit corrected data or, failing this, proceed to 3.1.14

CDCA

Internal Process

3.1.14

Within 60 WD of receipt of report

If discrepancy not resolved raise a formal dispute in accordance with BSCP11.

Registrant

Disputes Registrar

MAR report along with any supporting information.

Fax/ Post/ Email

4. APPENDICIES

4.1 BSCP05/4.1 Universal Meter Reading Sheet

The Universal Meter Reading Sheet, BSCP05/4.1, is an example Meter reading sheet. Different Meter reading sheets may be used as long as they contain the same or more information.

BSCP05/4.1 Universal Meter Reading Sheet complex image of process

4.2 Investigation of Discrepancies

Before raising a dispute on a discrepancy of greater than ±0.1%, the CDCA and the Registrant shall investigate whether there is an acceptable reason for the discrepancy. The following are common causes of discrepancies which would not normally require a formal dispute to be raised:

(a) Meter readings not performed on the half hour.

    • Short period between current and previous reading, (e.g. less than one week)

(b) Incorrect transcription of readings. Examples might include the following:

    • Mis-read/written by a factor of 10.

    • Mis-interpretation of UTC/BST local time.

    • Transposition of digits.

These can usually be resolved by comparisons with the advance of the Check Meters.

(c) Data estimation has taken place, for instance when Meters or Outstations have been faulty, or during injection testing.

(d) Rounding of significant figures, particularly for low energy values.

4.3 Visual Inspection of Metering Equipment

The following checks should be completed when a Meter reading is being carried out and form BSCP05/4.3 completed:

(a) Environment

Check that all Metering Equipment other than outdoor measurement transformers, are accommodated in a clean dry environment.

(b) Identification

Check that all Settlement Meters are labelled or otherwise readily identifiable in terms of applicable circuit, measured quantity and power flow direction.

(c) Indicators

Check Meter panels lamps, where fitted, are working satisfactorily and report any alarm indications.

(d) Operation

Check that all Settlement Meters and Outstations are functioning correctly and that no circuits are de-energised.

(e) Seals

Check that all Metering Equipment has appropriate seals and report any missing seals to the relevant MOA, Registrant and BSCCo. The equipment to check are:

  • Settlement Meters

  • Outstations

  • Metering cubicle doors

  • Test terminal blocks

  • CT/VT marshalling boxes3

  • CT/VT distribution boxes3

  • VT secondary fuses

(f) Register of seals applied

Check that the register of seals applied is kept on site, located near to the metering panel and is up-to-date.

(g) Miscellaneous

Other information detailing areas of concern.

BSCP05/4.3 CDCA Metering System Visual Inspection

Site Name:

Registrant:

Date:

MSID:

(a)

Environment

Check that all Metering Equipment other than outdoor measurement transformers, are accommodated in a clean dry environment.

All Satisfactory YES/NO*

(b)

Identification

Check that all Settlement Meters are labelled or otherwise readily identifiable in terms of applicable circuit, measured quantity and power flow direction.

All Satisfactory YES/NO*

(c)

Indicators

Check Meter panel lamps, where fitted, are working satisfactorily and report any alarm indications.

All Satisfactory YES/NO*

(d)

Operation

Check that all Settlement Meters and Outstations are functioning correctly and that no circuits are de-energised.

All Satisfactory YES/NO*

(e)

Seals

Check that all Metering Equipment have appropriate seals and report any missing seals to the relevant MOA, Registrant and BSCCo. The equipment to check are:

  • Settlement Meters

  • Outstations

  • Metering cubicle doors

  • Test terminal blocks

  • CT/VT marshalling boxes3

  • CT/VT distribution boxes3

  • VT Secondary fuses

All Satisfactory YES/NO*

(f)

Register of seals applied

Check that the register of seals applied is kept on site, located near to the metering panel and is up-to-date.

All Satisfactory YES/NO*

(g)

Miscellaneous

Carried out by:

Date:

AMENDMENT RECORD – BSCP05

Version

Date

Description of Changes

Changes Included

Mods/ Panel/ Committee Refs

1.0

Code Effective Date

Designated Version

n/a

n/a

2.0

14/12/00

Work outstanding at Go Active resolution of inconsistencies inclusion of consultation comments

NCR219

09/006

3.0

24/06/03

Approved Modification for June 03 Release

P62

P62

48/003

4.0

30/06/04

Change Proposal for June 04 Release

CP609

ISG40/003

5.0

03/11/04

Change Proposal for the CVA Programme Nov 04 Release

CP1032

TDC58/03

6.0

BETTA Effective Date

BETTA 6.3 rebadging for the CVA Feb 05 Release

BETTA 6.3

7.0

28/06/06

June 06 Release

P190

ISG/64/001

8.0

22/02/07

February 07 Release

CP1153 v2.0

CP1176

ISG65/02

ISG68/002

SVG67/002

9.0

26/06/08

June 08 Release

CP1223

SVG84/02

ISG84/01

TDC109/01

PAB84/11

10.0

24/06/10

June 10 Release

CP1324

ISG111/03

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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 If the daily MAR exceeds this tolerance, and the CDCA considers it to be a significant error, then the CDCA shall report it to the registrant as a metering fault.

2 In the case where difference metering is used to determine a Registrant’s Import / Export, the non-metered Registrant shall be provided with the Meter advance readings and MAR results of the metered Registrant.

3 These checks should be completed annually

** Delete as appropriate