Dispatch and operations technical documents


The systems technical documentation provides the detail of the changes to AEMO’s market facing systems. These documents are expected to provide the information required to allow industry to understand AEMO’s IT systems changes and for industry or vendors to make the required changes to their own systems.

The technical specifications are being produced in stages, allowing progressive release and consultation on the 5-minute and global settlement changes. The following tables provide the current status of these documents.

Dispatch and operations

Technical Document Content Final Version Due Status Last Release SWG Related
Level 2 Milestone
EMMS 5MS Technical Specification - Dispatch and Operations - v6.0

EMMS 5MS Technical Specification - Dispatch and Operations v6.0 marked up
Dispatch and Bidding Project completion v6.00


Participants can commence their system builds but changes are still imminent due to participant feedback.


November 2020 L2-D1 Section 8 – Implementation proposes the transition approach – this is subject to adoption by the Readiness Workstream
Guide to Energy and FCAS and MNSP Web Bids and Offers            
Guide to NEM Dispatch Bidding API Provides assistance to developers and users of the Bidding API   v1.00 November 2020    

Existing guides updated for 5MS changes

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