This is the Service Description for the Profile Administrator (PrA) appointed by ELEXON to derive Settlement profiling data under the BSC.

12.0

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

<div data-id="2-2.1" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">2.1 BSC Requirements for the <u class='defined-term'>Profile Administrator</u> Service</div>

<div data-id="2" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">2. Overview</div>

<html><head></head><body><div data-id="3-3.3" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">3.3 Sample Participant Information provided by <u class="defined-term">Supplier</u>s</div></body></html>

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

<div data-id="3-3.5" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">3.5 Stratification of Samples</div>

<div data-id="3-3.6" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">3.6 Nomination and appointment of agents</div>

<div data-id="3-3.7" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">3.7 Replacement and Use of Equipment</div>

<html><head></head><body><div data-id="3-3.8" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">3.8 Non Half Hourly <u class="defined-term">Settlement</u> activities</div></body></html>

<div data-id="3-3.9" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">3.9 Collection of half hourly Data</div>

<div data-id="3-3.10" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">3.10 Validation of Data</div>

<html><head></head><body><div data-id="3-3.11" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">3.11 Calculation of <u class="defined-term">Supplier</u> Rebates</div></body></html>

<div data-id="3" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">3. Detailed Requirements for Data Collection</div>

<div data-id="4-4.1" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.1 Outputs from Data Analysis</div>

<div data-id="4-4.2" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.2 Overview of Data Analysis Process</div>

<html><head></head><body><div data-id="4-4.3" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.3 Collate Validated Sample Participant Demand Data for each <u class="defined-term"><u class="defined-term">Settlement</u> Day</u></div></body></html>

<div data-id="4-4.4" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.4 Determine Stratum-Weighted Demand Values for each <u class='defined-term'>Profile</u></div>

<div data-id="4-4.5" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.5 Calculation of <u class='defined-term'>Noon Effective Temperature</u> and <u class='defined-term'>Sunset Variable</u></div>

<div data-id="4-4.6" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.6 Regression Analysis for each <u class='defined-term'>Profile</u></div>

<div data-id="4-4.7" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.7 Evaluation and Assessment of Regression Equations</div>

<div data-id="4" style="text-align:left">4 Detailed Requirements for Data Analysis</div>

<div data-id="5-5.1" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">5.1 <u class='defined-term'>Regression Coefficients</u></div>

<div data-id="5-5.2" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">5.2 <u class='defined-term'>Profile</u> Coefficients</div>

<div data-id="5-5.3" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">5.3 GAAC Values</div>

<div data-id="5-5.4" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">5.4 Friendly Format Technical Product Deliverables</div>

<div data-id="5-5.5" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">5.5 Comparison Report</div>

<div data-id="5" style="text-align:left">5 Deliverables</div>

<div data-id="6-6.1" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">6.1 Audit Requirements</div>

<div data-id="6-6.2" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">6.2 Helpdesk Service</div>

<div data-id="6-6.3" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">6.3 Data Retention and Transfer</div>

<div data-id="6-6.4" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">6.4 Change Management</div>

<div data-id="6-6.5" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">6.5 Consultancy Service</div>

<div data-id="6-6.6" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">6.6 Security and Controls</div>

<div data-id="6-6.7" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">6.7 Service Levels</div>

<div data-id="6" style="text-align:left">6 Non-Functional Requirements</div>

<div data-id="appendix-a--terms-acronyms-and-definitions" style="text-align:left">Appendix A – Terms, Acronyms and Definitions</div>

<div data-id="appendix-b--profile-transformation-procedure" style="text-align:left">Appendix B – <u class='defined-term'>Profile</u> Transformation Procedure</div>

<div data-id="appendix-c--profiling-under-the-bsc" style="text-align:left">Appendix C – Profiling Under the BSC</div>

<div data-id="appendix-d--domestic-economy-7-profile-classes" style="text-align:left">Appendix D – Domestic Economy 7 <u class='defined-term'>Profile Class</u>es</div>

CONTENTS

Profile Administration Service Description V12.0

Defined Terms

Cross-references