<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" 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 <u class='defined-term'>Market Domain Data</u></div>

<div data-id="2-2.2" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">2.2 Non Half Hourly Data Aggregation (NHHDA) Data</div>

<div data-id="2-2.3" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">2.3 Half Hourly Data Aggregation (HHDA) Data</div>

<div data-id="2-2.3A" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">2.3A Virtual <u class='defined-term'>Lead Party</u> and <u class='defined-term'>NETSO</u> Data</div>

<div data-id="2-2.3B" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">2.3B Activations Data</div>

<div data-id="2-2.3C" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">2.3C Declarations relating to SVA Storage Facilities</div>

<div data-id="2-2.4" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">2.4 <u class='defined-term'>GSP Group Take</u> Data</div>

<div data-id="2-2.5" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">2.5 <u class='defined-term'>Line Loss Factor</u> Data</div>

<div data-id="2-2.6" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">2.6 Standing Data and Other Parameters Input by the <u class='defined-term'>SVAA</u></div>

<div data-id="2-2.7" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">2.7 Invoking Volume Allocation Runs (VARs)</div>

<div data-id="2-2.8" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">2.8 Provision of Output</div>

<div data-id="2-2.8A" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">2.8A Non Half Hourly Aggregated <u class='defined-term'>Settlement</u> Data</div>

<div data-id="2-2.8B" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">2.8B Half Hourly <u class='defined-term'>Replacement Reserve</u> Data</div>

<div data-id="2-2.8C" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">2.8C Storage Facility Demand Data</div>

<div data-id="2-2.9" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">2.9 Additional VARs</div>

<div data-id="2-2.10" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">2.10 <u class='defined-term'>Performance Monitoring Report</u>s</div>

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

<div data-id="3-3.1" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">3.1 Temperature and Sunset Data</div>

<div data-id="3-3.2" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">3.2 <u class='defined-term'>Regression Coefficients</u></div>

<div data-id="3-3.3" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">3.3 Data Input by the <u class='defined-term'>SVAA</u></div>

<div data-id="3-3.4" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">3.4 Other Data Entry</div>

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

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

<div data-id="3-3.6A" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">3.6A Calculation of Secondary Half Hour Volumes</div>

<div data-id="3-3.7" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">3.7 Provision of Output</div>

<div data-id="3" style="text-align:left">3. Daily <u class='defined-term'>Profile</u> Production (DPP)</div>

<div data-id="4-4.1" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.1 Receiving Updates to the MDD</div>

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

<div data-id="4-4.3" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.3 <u class='defined-term'>Market Domain Data</u> Matrix</div>

<div data-id="4-4.4" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.4 Provision of Output</div>

<div data-id="4-4.5" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.5 Checking Confirmation Messages</div>

<div data-id="4-4.6" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.6 Maintaining the <u class='defined-term'>Market Domain Data</u> Information</div>

<div data-id="4-4.7" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.7 Production of the <u class='defined-term'>SVAA</u> Calendar</div>

<div data-id="4-4.8" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.8 Production of the Data Aggregation and <u class='defined-term'>Settlement</u>s Timetable File</div>

<div data-id="4" style="text-align:left">4. <u class='defined-term'>Market Domain Data</u> (MDD)</div>

<div data-id="5-5.1" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">5.1 Audit, Security &amp; Control Requirements</div>

<div data-id="5-5.2" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">5.2 Provision of Output Files</div>

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

<div data-id="5-5.4" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">5.4 <u class='defined-term'>Managed Data Network</u></div>

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

<div data-id="5-5.6" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">5.6 Provision of Performance Monitoring Data</div>

<div data-id="5-5.7" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">5.7 Re-calculation of Average Fraction of Yearly <u class='defined-term'>Consumption</u>, <u class='defined-term'>GSP Group</u> <u class='defined-term'>Profile Class</u> Average EAC and <u class='defined-term'>GSP Group</u> <u class='defined-term'>Profile Class</u> <u class='defined-term'>Default</u> EAC Values</div>

<div data-id="5-5.8" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">5.8 Miscellaneous</div>

<div data-id="5" style="text-align:left">5. Other Services</div>

<div data-id="6" style="text-align:left">6. Service Availability</div>

<div data-id="7" style="text-align:left">7. SVA <u class='defined-term'>Meter</u>ing SYSTEM REGISTER</div>

<div data-id="8-8.1" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">8.1 Appendix 1 - Details of Information Maintained</div>

<div data-id="8-8.2" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">8.2 Appendix 2 - <u class='defined-term'>SVAA</u> Calendar and Data Aggregation and <u class='defined-term'>Settlement</u>s Timetable File</div>

<div data-id="8" style="text-align:left">8. Appendices</div>

CONTENTS

SVAA Service Description V9.0

Defined Terms

Cross-references