3 Participant Impact

Participants must upgrade to the latest version of Data Model The definition of the interface to participants of data published by AEMO for gas or electricity. A database conforming to the Data Model can contain a local copy of all current participant-specific data recorded in the main database. The Data Model includes database tables, indexes, and primary keys. 5.6 to receive the new and updated Data Model information in their Data Interchange A set of cooperating applications used to replicate data between AEMO's energy market systems and a participant's DBMS conforming to the MMS Data Model. environments.

3.1 Electricity data model v5.6

Participants must upgrade to Electricity Data Model v5.6 to receive the new Reports.

3.2 Data population dates

3.2.1 ISF

Pre-production AEMO’s test system available to participants: Tuesday 28 October 2025

Production AEMO’s live system: Tuesday 2 December 2025

3.2.2 Operational Forecasting

Pre-production: TBC To be confirmed

Production: TBC

3.2.3 ST PASA Procedure and Recall Period

The ST PASA Short Term Projected Assessment of System Adequacy. A daily load forecast that shows expected demand two to seven days ahead of time. Procedure and Recall Period The advance notice (in hours) that a scheduled resource will require to achieve the PASA Availability MW for this trading interval. project is in production 31 July 2025. The changes in the Data Model 5.6 are comment only changes.

Pre-production: Tuesday 20 May 2025

Production: Tuesday 31 July 2025

3.2.4 FPP Settlements

The FPP Frequency Performance Payments Settlements See Relevant Rules or Procedures project went in production 8 June 2025. The changes in the Data Model 5.6 are comment only changes.

Pre-production: Sunday 2 February 2025

Production: Sunday 8 June 2025

3.2.5 Inverter Management System

Pre-production: TBC

Production: TBC

3.3 Data subscription

3.3.1 Auto-subscription

Existing participants are auto subscribed to any new files when they upgrade to the latest data model version. New file names to be advised.

3.3.2 Legacy files

On the Release Dates, AEMO Australian Energy Market Operator moves participants subscribed to existing files to the Legacy version. After you have upgraded to v5.6, subscribe to the current files in Data Subscription. For help, see Subscribe to Files.