BSCP128 sets out the detailed BSC process by which Licensed Distribution System Operators (LDSOs) submit their Line Loss Factor (LLF) methodologies and values for approval, including the annual LLF audit. It provides a set of principles with which each LLF methodology must comply.

13.0

<div data-id="1-1.1" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">1.1 Purpose</div>

<div data-id="1-1.2-1.2.1" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">1.2.1 LLF Methodology Submission and Review</div>

<div data-id="1-1.2-1.2.2" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">1.2.2 Approval of Methodology</div>

<div data-id="1-1.2-1.2.3" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">1.2.3 LLF Submission and Calculation Audit</div>

<div data-id="1-1.2-1.2.4" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">1.2.4 Approval of LLFs</div>

<html><head></head><body><div data-id="1-1.2-1.2.5" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">1.2.5 Implementation of LLFs for use in <u class="defined-term">Settlement</u></div></body></html>

<div data-id="1-1.2" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">1.2 Main Users of the Procedure and their Responsibilities</div>

<div data-id="1-1.3" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">1.3 Key Milestones</div>

<html><head></head><body><div data-id="1-1.4" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">1.4 Balancing and <u class="defined-term">Settlement</u> <u class="defined-term">Code</u> Provision</div></body></html>

<div data-id="1-1.5" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">1.5 Associated <u class='defined-term'>BSC Procedure</u>s</div>

<div data-id="1-1.6" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">1.6 Use of the Procedure</div>

<div data-id="1-1.7" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">1.7 Assistance with using the Procedure</div>

<div data-id="1-1.8-1.8.1" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">1.8.1 Acronyms</div>

<div data-id="1-1.8-1.8.2" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">1.8.2 Definitions</div>

<div data-id="1-1.8" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">1.8 Acronyms and Definitions</div>

<div data-id="1" style="text-align:left">1. INTRODUCTION</div>

<div data-id="2-2.1" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">2.1 Methodology Review for Host <u class='defined-term'>LDSO</u>s and Embedded <u class='defined-term'>LDSO</u>s that do not Mirror</div>

<div data-id="2-2.2" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">2.2 Methodology Review – Embedded <u class='defined-term'>LDSO</u>s that Mirror</div>

<div data-id="2-2.3" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">2.3 Annual Submission and Audit of <u class='defined-term'>Line Loss Factor</u>s (CVA and SVA) – Host <u class='defined-term'>LDSO</u>s and Embedded <u class='defined-term'>LDSO</u>s that do not Mirror</div>

<div data-id="2-2.4" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">2.4 Annual Submission and Audit of LLFs – Embedded <u class='defined-term'>LDSO</u>s that Mirror</div>

<div data-id="2-2.5" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">2.5 Mid-year submission of new and revised LLFs<sup><a class="sdfootnoteanc" name="sdfootnote16anc" href="#sdfootnote16sym"><sup>16</sup></a></sup></div>

<div data-id="2" style="text-align:left">2. Interface and timetable information</div>

<div data-id="3-3.1" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">3.1 LLF Methodology Principles</div>

<div data-id="3-3.2" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">3.2 Guidelines for the approval of LLF Values</div>

<div data-id="3-3.3" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">3.3 Use of <u class='defined-term'>Default</u> Values</div>

<div data-id="3-3.4" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">3.4 Recalculation of LLFs</div>

<div data-id="3-3.5" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">3.5 LLF Calculation Audit Scope</div>

<div data-id="3-3.6" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">3.6 Appendices</div>

<div data-id="3" style="text-align:left">3. Supporting Information</div>

<div data-id="amendment-record--bscp128" style="text-align: center">AMENDMENT RECORD – BSCP128</div>

CONTENTS

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

Defined Terms

Cross-references