CONTENTS

  • 1. INTRODUCTION
    • 1.1 Purpose
    • 1.2 Main Users of the Procedure and their Responsibilities
      • 1.2.1 LLF Methodology Submission and Review
      • 1.2.2 Approval of Methodology
      • 1.2.3 LLF Submission and Calculation Audit
      • 1.2.4 Approval of LLFs
      • 1.2.5 Implementation of LLFs for use in Settlement
    • 1.3 Key Milestones
    • 1.4 Balancing and Settlement Code Provision
    • 1.5 Associated BSC Procedures
    • 1.6 Use of the Procedure
    • 1.7 Assistance with using the Procedure
    • 1.8 Acronyms and Definitions
      • 1.8.1 Acronyms
      • 1.8.2 Definitions
  • 2. Interface and timetable information
    • 2.1 Methodology Review for Host LDSOs and Embedded LDSOs that do not Mirror
    • 2.2 Methodology Review – Embedded LDSOs that Mirror
    • 2.3 Annual Submission and Audit of Line Loss Factors (CVA and SVA) – Host LDSOs and Embedded LDSOs that do not Mirror
    • 2.4 Annual Submission and Audit of LLFs – Embedded LDSOs that Mirror
    • 2.5 Mid-year submission of new and revised LLFs16
  • 3. Supporting Information
    • 3.1 LLF Methodology Principles
    • 3.2 Guidelines for the approval of LLF Values
    • 3.3 Use of Default Values
    • 3.4 Recalculation of LLFs
    • 3.5 LLF Calculation Audit Scope
    • 3.6 Appendices
  • AMENDMENT RECORD – BSCP128

BSCP128: Production, Submission, Audit & Approval of Line Loss Factors V13.0

Effective From Date:22/09/2025
Status:LIVE
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