1.1 Purpose

2.1 Market Domain Data

2.2 Non Half Hourly Data Aggregation (NHHDA) Data

2.3 Half Hourly Data Aggregation (HHDA) Data

2.3A Virtual Lead Party and NETSO Data

2.3B Activations Data

2.3C Declarations relating to SVA Storage Facilities

2.4 GSP Group Take Data

2.5 Line Loss Factor Data

2.6 Standing Data and Other Parameters Input by the SVAA

2.7 Invoking Volume Allocation Runs (VARs)

2.8 Provision of Output

2.8A Non Half Hourly Aggregated Settlement Data

2.8B Half Hourly Replacement Reserve Data

2.8C Storage Facility Demand Data

2.9 Additional VARs

2.10 Performance Monitoring Reports

3.1 Temperature and Sunset Data

3.2 Regression Coefficients

3.3 Data Input by the SVAA

3.4 Other Data Entry

3.5 Teleswitch Data

3.6 Invoking the DPP Run

3.6A Calculation of Secondary Half Hour Volumes

3.7 Provision of Output

4.1 Receiving Updates to the MDD

4.2 New Agencies

4.3 Market Domain Data Matrix

4.4 Provision of Output

4.5 Checking Confirmation Messages

4.6 Maintaining the Market Domain Data Information

4.7 Production of the SVAA Calendar

4.8 Production of the Data Aggregation and Settlements Timetable File

5.1 Audit, Security & Control Requirements

5.2 Provision of Output Files

5.3 Data Marshalling

5.4 Managed Data Network

5.5 Dispute Handling

5.6 Provision of Performance Monitoring Data

5.7 Re-calculation of Average Fraction of Yearly Consumption, GSP Group Profile Class Average EAC and GSP Group Profile Class Default EAC Values

5.8 Miscellaneous

8.1 Appendix 1 - Details of Information Maintained

8.2 Appendix 2 - SVAA Calendar and Data Aggregation and Settlements Timetable File