Systems Technical Documents

Overview

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, settlements and metering

Technical Document  Content Final Version Due Status Last Release SWG Related Level 2 Milestone Comments
5MS Systems High-Level Impact Assessment (HLIA) Retail Systems Dispatch Systems

Operational Systems Settlement Systems
30 Dec 19 Draft 17 May 19 N/A The HLIA is a working document updated periodically as consultations and designs complete.

Electricity data model

Technical Document  Content  Final Version Due Status Last Release

Draft EMMS Technical Specification - 5MS - Data Model v5.00

Draft EMMS Technical Specification - 5MS - Data Model v5.00 (marked up)

Adds new chapter to include non-5MS Data Model table changes. 
Draft 23 September 2020 23 September 2020

Dispatch and operations

Technical Document  Content Final Version Due Status Last Release SWG Related Level 2 Milestone Comments

EMMS 5MS Technical Specification - Dispatch and Operations - v5.05

EMMS 5MS Technical Specification - Dispatch and Operations v5.04v marked up 

Section 3 - Dispatch and Bidding

Section 4 - FTP Interfaces Data Model - Section 7.2

Section 8 - Implementation

Section 12 - Bidding JSON Format
Working document

Draft

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

June 2020 L2-D1 Section 8 – Implementation proposes the transition approach – this is subject to adoption by the Readiness Workstream
 Format and Validation for Energy, FCAS, and MNSP Bids and Offers       January 2020     
Draft Guide to Energy and FCAS Web Bids - v2.02            
Guide to API Energy and FCAS Bids and Offers       June 2020    

Metering

Technical Document  Content Final Version Due Status Last Release SWG Related Level 2 Milestone Comments
MDFF Specification NEM12 and NEM 13  - v2.10
 
MDFF format to support 5-minute meter data Final 30 Apr 19 22 May 19 L2-M2 Completed

Specification agreed as final in SWG #11

MSATS 46.98 Technical Specification - v3.00

MSATS 46.98 Technical Specification - marked up v3.00

MDM File Format and Load Process  - v5.14

MDM File Format and Load Process  - v5.14 marked up with content changes

Meter Data Validation Matrix - July 2020

Draft Guide to MSATS and B2B Terms       

 

Transition MDFF and MDMF meter data load process

Metering APIs

MSATS Browser Changes 

RM Reports

Final

v3.00             

18 Aug 20

Guide to NEM Retail B2M APIs    Final  v1.00 16 Sep 20    

Settlements

Technical Document  Content Final Version Due Status Last Release SWG Related Level 2 Milestone Comments
Web interface updates – Chapter 3, More API details and JSON schema.
Final
  04 Dec 2019
L2-D1 N/A

EMMS 5MS Technical Specification - Settlements

EMMS 5MS Technical Specification - Settlements (marked up)

Updates getAvailableFiles API response and examples and adds Direction CRA report update.

Final              1 July 2020            June 2020 L2-S7 Published for 5MS Settlements Package 3 Staging             

EMMS 5MS Technical Specification -Prudentials

EMMS 5MS Technical Specification - Prudentials (marked up)

New chapter detailing weekly activity available in Staging Final 13 May 2020 13 May 2020             L2-S7              Published for 5MS Settlements Package 3 Staging
Guide to Electricity Reallocations Updates 5MS rule change commencement dates
Final
21 August 2020
21 August 2020


Guide to Reallocation APIs Aug 20

All sections  Final 21 August 2020 21 August 2020    
5MS Reallocations production release notes Enhancements being delivered through this release and links to the relevant system documents.   Final 25 Mar 2020 1 April 2020 L2-S12   N/A

Guide to Settlements Direct

 
All sections Draft 13 May 2020 13 May 2020            L2-S7              Published for 5MS Settlement Package 3 Staging
Guide to NEM Prudential Dashboard All sections
Draft
13 May 2020
13 May 2020
L2-S7
Published for 5MS Settlement Package 3 Staging

Guide to NEM Prudential Forecast

All sections   Draft 13 May 2020  13 May 2020  L2-S7  Published for 5MS Settlement Package 3 Staging 
Guide to NEM Credit Support All sections Draft 13 May 2020 13 May 2020 L2-S7 

Published for 5MS Settlement Package 3 Staging

Existing guides updated for 5MS changes

Technical Document  Content Last Release
Connecting to AEMO IT Systems Updated to include 5MS changes - adds API service chapter along with other updates. 28 Aug 20             
Guide to User Rights Management Updated to include new entities for 5MS changes. 28 Aug 20
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