1 Introduction
1.1 Audience
AEMO Australian Energy Market Operator provides this information as a service targeting business analysts and IT staff in Registered Participant See Relevant Rules or Procedures companies.
The primary audience for this technical specification is B2B Business-to-Business. Generic term used to refer to defined business-to-business interactions between participants; excludes interactions between a participant and market systems such as MSATS. and B2M Business-to-Market Retail Market Participants.
1.2 Objective
The MSATS Market Settlement and Transfer Solutions. The procedures published by AEMO under clause 7.2.8 of the National Electricity Rules, which include those governing the recording of financial responsibility for energy flows at a connection point, the transfer of that responsibility between market participants, and the recording of energy flows at a connection point. - Technical Specification - October 2025 (Release) describes the projects planned by AEMO from a participant perspective and includes any system related changes for participants.
1.3 Status
|
Version |
Status |
|---|---|
|
1.05 |
On Tuesday 2 September 2025, LMRP Legacy Meter Replacement Plan, Site The physical location of the connection point, see B2B Procedures: Customer and Site Details and Service Orders Process. Defects, ICF and IEC enhancements, and updated SDQ reports are available in the pre-production environment
For RoLR reports, meter exemptions, and SDQ reports, we still expect changes to the design while development and testing are in progress. They are available in pre-production on Tuesday 30 September 2025 |
|
1.04 |
In progress. The design is not ready for participants’ builds. |
|
1.03 |
In progress. The design is not ready for participants’ builds. |
|
1.02 |
In progress. The design is not ready for participants’ builds. |
|
1.01 |
In progress. The design is not ready for participants’ builds. |
|
1.00 |
In progress. The design is not ready for participants’ builds. |
|
0.03 |
Presents the MSATS - Technical Specification - October 2025 evolving design. Please send feedback to Contact Us. In the Details of your enquiry section, mention the DCC Knowledge Management team as the Resolver group. |
1.4 Release dates
|
Environment |
Release Date |
Changes |
|---|---|---|
|
Pre-production |
Tuesday 2 September 2025 |
|
|
Pre-production |
Tuesday 30 September 2025 |
|
|
Sunday 26 October 2025 |
|
|
|
Production |
Sunday 30 November 2025 |
|
1.5 Projects and enhancements
Changes and enhancements for this Release include:
|
Project |
Description |
Type |
|---|---|---|
|
MSR Package 1 |
Procedural and technical changes for the Retail market which includes:
|
Project |
|
Embedded Network Settlement Anomalies |
CATS Change Requests restricted from updating embedded network child NMI datastreams retrospectively |
Project |
|
ROLR reporting |
Discontinue obsolete ROLR reports ROLR report delivery to the Participant File Server |
Enhancement |
|
ICF_077 |
Last Consumer Change Date (LCCD) auto populated in MSATS based on NMI status |
Enhancement |
|
ICF_078 |
Update NEM address element definitions as a result of B2M Procedures aligning with AS4590.1:2017 standard |
Enhancement |
|
IEC - B004/22 |
Update B2B field lengths according to B2B Procedures aligning with AS4590.1:2017 standard |
Enhancement |
|
IEC - B002/22 |
Address inconsistencies field, field lengths and associated enumerations in the B2M and B2B procedures and schemas |
Enhancement |
|
MSR Package 2 |
Meter Exemption changes to support new metering testing and inspection requirements |
Project |
1.6 Forums and meetings
1.6.1 MSUG meetings
The Market Systems User Group (MSUG Market Systems User Group) is an industry user group established to discuss NEM wholesale and retail IT systems releases. Its purpose is to facilitate the continuing improvement of AEMO's IT systems by seeking feedback and collaboration from participants.
It is open to all interested parties, with invitations sent to all Registered Participants Energy Rules Terms If you have a technical question for a project and want to attend the MSUG, so you get an invite, ask your company’s support team to include your email address in their AEMO Help Desk Bulletin (CRM).
1.6.2 NEM Reform program stakeholder engagement
Details about the NEM Reform Forums, Working Groups, and related AEMO forums: NEM Reform Stakeholder Engagement.
1.6.3 Electricity Retail Consultative Forum
The Electricity Retail Consultative Forum (ERCF) provides a platform for participants operating in the NEM to participate in the enhancement of the Retail Electricity Market Procedures The number of procedures that govern the operation of the retail market. Framework (except B2B Procedures The documents that comprise the B2B Procedures prescribing the content of, the processes for, and the information to be provided to support B2B communication.).
1.7 Rule and procedure changes
|
Title |
Status |
Effective |
|---|---|---|
|
Final |
1 December 2025 |
|
|
Final |
1 December 2025 |
|
|
Final |
1 December 2025 |
|
|
Final |
1 December 2025 |
|
|
Final |
1 December 2025 |
|
|
B2B Procedure Customer and Site Details Notification Process v3.9
|
Final |
1 December 2025 |
|
MSATS Procedures - Principles and Obligations for All Connection Points v7.1 |
Final |
1 December 2025 |
|
Draft |
1 December 2025 |
|
|
National Electricity Amendment (Accelerating smart meter deployment) Rule 2024 |
Final |
28 November 2024 |
|
Amendment |
1 December 2025 |
|
|
Draft |
1 December 2025 |
|
|
National Electricity Amendment (Unlocking CER benefits through flexible trading) Rule 2024 |
Final |
15 August 2024 |
1.8 Related technical specifications
None
1.9 Related software
|
Software |
Version |
Available |
|---|---|---|
|
1.6 1.7 |
Pre-production: Tuesday 2 September 2025 |
|
|
2.0.18 |
Pre-production: Tuesday 2 September 2025 |
1.10 Related documents
These guides and resources are updated according to this technical specification and published for the pre-production Release Date.
|
Title |
Description |
Status |
|
|---|---|---|---|
|
aseXML r46 schema files |
Final |
||
|
Describes the mapping between the MSATS B2B procedures and the B2B aseXML schema |
Complete |
||
|
Describes the mapping between the MSATS B2M procedures and the B2M aseXML schema |
Complete |
||
|
Information about the B2B e-Hub functions available in the Market Settlement and Transfer System (MSATS) |
Complete |
||
|
Information about CATS and MDM reports |
In progress |
||
|
Information about the B2M functions available in the Market Settlement and Transfer System (MSATS) web portal |
In progress |
||
|
Meter Exemptions API changes |
In progress |
||
|
Information about submitting and managing metering exemptions in the MSATS web portal |
In progress |
||
Access to the Markets Portal Help requires a MarketNet AEMO's private VPN for Registered Participants. A network of more than 300 registered participants in the National Electricity Market, including market generators, transmission network service providers, distribution network service providers, and market customers. connection. Please speak with your company’s Participant Administrator Creates and maintains access to AEMO systems for their Participant ID users. if you require access.
1.11 Approval to change
AEMO is seeking Participant feedback from the Electricity Retail Consultative Forum (ERCF Electricity Retail Consultative Forum), B2B Working Group, and interested parties.
1.12 Market systems user group meetings
The Market Systems User Group (MSUG) is an industry user group established to discuss NEM wholesale and retail IT systems releases. Its purpose is to facilitate the continuing improvement of AEMO's IT systems by seeking feedback and collaboration from participants.
MSUG meetings are open to all interested parties, with invitations sent to all included on the distribution list. If you have a technical question for a project and want to attend the MSUG ask your company’s support team to include your email address in their AEMO Help Desk Bulletin (CRM) distribution list.
1.13 Version numbers
Incremental version numbers such as 1.01, 2.01 and so on mean there is a minor change to the technical specification.
Major version numbers such as 1.00, 2.00 means there are substantial changes to the technical specification. Participants must carefully review these changes, detailed Page 1.
1.14 Changes in this version
This version includes the following changes:
-
Updates pre-production and production release dates
-
Updates Related software
-
Updates ROLR report details and examples
-
Adds patch release information