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CONTENTS

  • 1. Introduction
    • 1.1 Purpose and Scope of the Procedure
    • 1.2 Risk Based Performance Assurance Framework
    • 1.3 Main Users of the Procedure and their Responsibilities
    • 1.4 Use of the Procedure
    • 1.5 Balancing and Settlement Code Provision
    • 1.6 Associated BSC Procedures
    • 1.7 Responsibilities
    • 1.8 Metering System Sampling Groups
      • 1.8.1 Targeted Inspections
      • 1.8.2 Specific Sample – CVA and SVA
      • 1.8.3 Main Sample – CVA and SVA
      • 1.8.4 Desktop Audit Sample – CVA, SVA and Asset Metering Systems
      • 1.8.5 Post Desktop Audit Inspection Visits
    • 1.9 Information Required to Enable Sampling of Metering Systems
      • 1.9.1 Specific Sample – CVA and SVA
      • 1.9.2 Main Sample – CVA
      • 1.9.3 Main Sample – SVA
    • 1.10 Re-Inspections
    • 1.11 Targeted Audit
    • 1.12 Metering System and Asset Metering System Inspection
    • 1.13 Desktop Audit
    • 1.14 Additional Metering Equipment Details Required by the TAA
      • 1.14.1 General Information
      • 1.14.2 Accuracy
      • 1.14.3 Metering System Functional Information
      • 1.14.4 Failure to provide Metering System or Asset Metering System Functional Information
    • 1.15 Non-Compliance
    • 1.16 Queries & Appeals
    • 1.17 Rectification Action
    • 1.18 Post Rectification Action
    • 1.19 Reporting
    • 1.20 Acronyms and Definitions
      • 1.20.1 List of Acronyms
    • 1.21 Definitions
    • 1.22 EMR Requirements
  • 2 Not used
  • 3 Interface and Timetable Information
    • 3.1 Main Sample Selection Process – CVA and SVA
    • 3.2 Desktop Audit Selection Process – CVA and SVA
    • 3.3 Specific Sample Selection Process – CVA and SVA
    • 3.4 Determination of SVA and CVA Metering Systems for Targeted Inspection Visits and Desktop Audits
    • 3.5 Selection of Metering Systems or Asset Metering Systems for Re-inspections
    • 3.6 Inspection Visit – SVA and CVA Metering Systems
    • 3.7 Desktop Audit– SVA and CVA Metering Systems
    • 3.8 Category 1, 2 and CDCC Non-Compliance
      • 3.8A Category 1 Non-Compliance Materiality Calculation
    • 3.9 Queries
    • 3.10 Appeal Process
    • 3.11 Reporting
  • 4 Appendices
    • 4.1 Description of Inspection Checks
      • 4.1.1 Measurement Transformer Specification (where appropriate)
      • 4.1.2 Meter Technical Details
      • 4.1.3 Accuracy
      • 4.1.4 Correct Energy Measurement Check
      • 4.1.5 Consumption Data Comparison Check
      • 4.1.6 Code of Practice Compliance
      • 4.1.7 Quality of Installation
      • 4.1.8 BSCCo will perform an estimated metered error calculation, to be included in the Annual Report to the PAB, to provide an indication of the impact of errors on Settlement, in particular the impact that category 1 non-compliances may be having, this will mean that BSCCo will need to record the estimated materiality for all category 1 non-compliances.
    • 4.2 Not Used
      • 4.3.1 Objective
      • 4.3.2 Ownership
      • 4.3.3 Responsibilities
      • 4.3.4 Procedures for CoP1, CoP2, S1 and S2
      • 4.3.5 Procedures for CoP3, CoP5, S3 and S5
    • 4.4 Non-compliances Categorised as ‘Not Rectified’
    • 4.5 Details of Forms for use in Technical Assurance
      • 4.5.1 Notice of Inspection Visit – BSCP27/01
      • 4.5.2 Confirmation of Attendance – BSCP27/02
      • 4.5.3 Inspection Schedule for Half Hourly Metering Systems – Part 1 – BSCP27/03
      • 4.5.4 Inspection Schedule for Half Hourly Metering Systems – Part 2 – BSCP27/04
      • 4.5.5 Rectification Plan – BSCP27/05
      • 4.5.6 Desktop Audit Evidence Request – BSCP27/06
    • 4.6 Forms
      • 4.6.1 BSCP27/01 - Notification of Inspection Visit SVA / CVA
      • 4.6.2 BSCP27/02 - Confirmation of Attendance at Technical Assurance Visit
      • 4.6.3 BSCP27/03 - Not used
      • 4.6.4 BSCP27/04 - Not used
      • 4.6.5 BSCP27/05 - Rectification Plan Proforma
      • 4.6.6 BSCP27/06 – Desktop Audit Evidence Request
    • AMENDMENT RECORD – BSCP27

BSCP 27: Technical Assurance of Metering Systems for Settlement Purposes V26.0

Effective From Date:27/11/2025
Status:LIVE
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