22.0

<div data-id="1-1.1" style="text-align:left">1.1 Purpose and Scope of the Procedure</div>

<div data-id="1-1.2" style="text-align:left">1.2 Risk Based Performance Assurance Framework</div>

<div data-id="1-1.3" style="text-align:left">1.3 Main Users of the Procedure and their Responsibilities</div>

<div data-id="1-1.4" style="text-align:left">1.4 Use of the Procedure</div>

<div data-id="1-1.5" style="text-align:left">1.5 Balancing and <u class='defined-term'>Settlement</u> <u class='defined-term'>Code</u> Provision</div>

<div data-id="1-1.6" style="text-align:left">1.6 Associated <u class='defined-term'>BSC Procedure</u>s</div>

<div data-id="1-1.7" style="text-align:left">1.7 Responsibilities</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 Targeted Inspections</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 Specific Sample – CVA and SVA</div>

<div data-id="1-1.8-1.8.3" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">1.8.3 Main Sample – CVA and SVA</div>

<div data-id="1-1.8-1.8.4" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">1.8.4 <u class='defined-term'>Desktop Audit</u> Sample – CVA and SVA</div>

<div data-id="1-1.8-1.8.5" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">1.8.5 Post <u class='defined-term'>Desktop Audit</u> Inspection Visits</div>

<div data-id="1-1.8" style="text-align:left">1.8 <u class='defined-term'>Metering System</u> Sampling Groups</div>

<div data-id="1-1.9-1.9.1" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">1.9.1 Specific Sample – CVA and SVA</div>

<div data-id="1-1.9-1.9.2" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">1.9.2 Main Sample – CVA</div>

<div data-id="1-1.9-1.9.3" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">1.9.3 Main Sample – SVA</div>

<div data-id="1-1.9" style="text-align:left">1.9 Information Required to Enable Sampling of <u class='defined-term'>Metering System</u>s</div>

<div data-id="1-1.10" style="text-align:left">1.10 Re-Inspections</div>

<div data-id="1-1.11" style="text-align:left">1.11 Targeted Audit</div>

<div data-id="1-1.12" style="text-align:left">1.12 <u class='defined-term'>Metering System</u> Inspection</div>

<div data-id="1-1.13" style="text-align:left">1.13 <u class='defined-term'>Desktop Audit</u></div>

<div data-id="1-1.14-1.14.1" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">1.14.1 General Information</div>

<div data-id="1-1.14-1.14.2" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">1.14.2 Accuracy</div>

<div data-id="1-1.14-1.14.3" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">1.14.3 <u class='defined-term'>Half Hourly Metering System</u> Functional Information</div>

<div data-id="1-1.14-1.14.4" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">1.14.4 <u class='defined-term'>Half Hourly Metering System</u> Functional Information</div>

<div data-id="1-1.14" style="text-align:left">1.14 Additional <u class='defined-term'>Metering Equipment</u> Details Required by the TAA</div>

<div data-id="1-1.15" style="text-align:left">1.15 Non-Compliance</div>

<div data-id="1-1.16" style="text-align:left">1.16 Queries &amp; Appeals</div>

<div data-id="1-1.17" style="text-align:left">1.17 Rectification Action</div>

<div data-id="1-1.18" style="text-align:left">1.18 Post Rectification Action</div>

<div data-id="1-1.19" style="text-align:left">1.19 Reporting</div>

<div data-id="1-1.20-1.20.1" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">1.20.1 List of Acronyms</div>

<div data-id="1-1.20" style="text-align:left">1.20 Acronyms and Definitions</div>

<div data-id="1-1.21" style="text-align:left">1.21 Definitions</div>

<div data-id="1-1.22" style="text-align:left">1.22 EMR Requirements</div>

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

<div data-id="3-3.1" style="text-align:left">3.1 Main Sample Selection Process – CVA and SVA</div>

<div data-id="3-3.2" style="text-align:left">3.2 <u class='defined-term'>Desktop Audit</u> Selection Process – CVA and SVA</div>

<div data-id="3-3.3" style="text-align:left">3.3 Specific Sample Selection Process – CVA and SVA</div>

<div data-id="3-3.4" style="text-align:left">3.4 Determination of <u class='defined-term'>Metering System</u>s for Targeted Inspection Visits and <u class='defined-term'>Desktop Audit</u>s</div>

<div data-id="3-3.5" style="text-align:left">3.5 Selection of <u class='defined-term'>Metering System</u>s for Re-inspections</div>

<div data-id="3-3.6" style="text-align:left">3.6 Inspection Visit</div>

<div data-id="3-3.7" style="text-align:left">3.7 <u class='defined-term'>Desktop Audit</u></div>

<div data-id="3-3.8-3.8A" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">3.8A Category 1 Non-Compliance Materiality Calculation</div>

<div data-id="3-3.8" style="text-align:left">3.8 Category 1, 2 and CDCC Non-Compliance</div>

<div data-id="3-3.9" style="text-align:left">3.9 Queries</div>

<div data-id="3-3.10" style="text-align:left">3.10 Appeal Process</div>

<div data-id="3-3.11" style="text-align:left">3.11 Reporting</div>

<div data-id="3" style="text-align:left">3 Interface and Timetable Information</div>

<div data-id="4-4.1-4.1.1" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.1.1 Measurement Transformer Specification (where appropriate)</div>

<div data-id="4-4.1-4.1.2" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.1.2 <u class='defined-term'>Meter Technical Details</u></div>

<div data-id="4-4.1-4.1.3" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.1.3 Accuracy</div>

<div data-id="4-4.1-4.1.4" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.1.4 Correct Energy Measurement Check</div>

<div data-id="4-4.1-4.1.5" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.1.5 <u class='defined-term'>Consumption Data</u> Comparison Check</div>

<div data-id="4-4.1-4.1.6" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.1.6 <u class='defined-term'>Code of Practice</u> Compliance</div>

<div data-id="4-4.1-4.1.7" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.1.7 Quality of Installation</div>

<div data-id="4-4.1-4.1.8" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.1.8 Elexon 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 <u class='defined-term'>Settlement</u>, in particular the impact that category 1 non-compliances may be having, this will mean that Elexon will need to record the estimated materiality for all category 1 non-compliances.</div>

<div data-id="4-4.1" style="text-align:left">4.1 Description of Inspection Checks</div>

<div data-id="4-4.2-4.3.1" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.3.1 Objective</div>

<div data-id="4-4.2-4.3.2" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.3.2 Ownership</div>

<div data-id="4-4.2-4.3.3" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.3.3 Responsibilities</div>

<div data-id="4-4.2-4.3.4" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.3.4 Procedures for CoP1, CoP2, S1 and S2</div>

<div data-id="4-4.2-4.3.5" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.3.5 Procedures for CoP3, CoP5, S3 and S5</div>

<div data-id="4-4.4-4.4.1" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.4.1 Notice of Inspection Visit – BSCP27/01</div>

<div data-id="4-4.4-4.4.2" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.4.2 Confirmation of Attendance – BSCP27/02</div>

<div data-id="4-4.4-4.4.3" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.4.3 Inspection Schedule for <u class='defined-term'>Half Hourly Metering System</u>s – Part 1 – BSCP27/03</div>

<div data-id="4-4.4-4.4.4" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.4.4 Inspection Schedule for <u class='defined-term'>Half Hourly Metering System</u>s – Part 2 – BSCP27/04</div>

<div data-id="4-4.4-4.4.5" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.4.5 Rectification Plan – BSCP27/05</div>

<div data-id="4-4.4-4.4.6" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.4.6 <u class='defined-term'>Desktop Audit</u> Evidence Request – BSCP27/06</div>

<div data-id="4-4.4" style="text-align:left">4.4 Details of Forms for use in Technical Assurance</div>

<div data-id="4-4.5-4.5.1" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.5.1 BSCP27/01 - Notification of Inspection Visit SVA / CVA</div>

<div data-id="4-4.5-4.5.2" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.5.2 BSCP27/02 - Confirmation of Attendance at Technical Assurance Visit</div>

<div data-id="4-4.5-4.5.5" style="margin-left:0.59in;text-align:left;text-indent:-0.59in"><span lang="fr-FR">4.5.5 BSCP27/05 - </span>Rectification Plan Proforma</div>

<div data-id="4-4.5-4.5.6" style="margin-left:0.59in;text-align:left;text-indent:-0.59in"><span lang="fr-FR">4.5.6 BSCP27/06 – </span><u class='defined-term'>Desktop Audit</u> Evidence Request</div>

<div data-id="4-4.5" style="text-align:left">4.5 Forms</div>

<div data-id="4" style="text-align:left">4 Appendices</div>

CONTENTS

BSCP 27: Technical Assurance of Half Hourly Metering Systems for Settlement Purposes V22.0

Defined Terms

Cross-references