Market Notices

AEMO ELECTRICITY MARKET NOTICE

The Moorabool - Cressy No 1 500 kV line in the Victoria (VIC) region is planned to be out of service from 0600 hrs to 1700 hrs on 19/06/2025.

A credible contingency event during this planned outage could cause synchronous separation of the South Australia (SA) region from the rest of the NEM.

During this planned outage:

* Power transfer will be restricted across the VIC - SA interconnector (Heywood interconnector); and
* Post contingent FCAS will be sourced within SA following Separation event.

Refer AEMO Network Outage Schedule (NOS) for further details.

AEMO Operations

Change Number: CHG0103463

Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Electricity Market Management System
Change Title: EMMS Production Systems will be transferred to the alternative datacentre for maintenance activities .
Change Start Date & Time: 19/06/2025 08:00:00
Change End Date & Time: 19/06/2025 22:00:00
Outage Start Date & Time: 19/06/2025 18:00:00
Outage End Date & Time: 19/06/2025 19:00:00
Environment: Production
Participant Impact and Requirements: EMMS Production Systems will be transferred to the alternative datacentre for maintenance activities. During the window, delivery of FPP calculations through the participant data model may be delayed at various points.

Support Information:
Report any impacts to the AEMO Information and Support Hub or call 1300 236 600.
Please refer to https://aemo.service-now.com/participantportal?id=pp_services_status for any planned/unplanned maintenance activities.

Change Number: CHG0103273

Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Local Area Network
Change Title: Scheduled Maintenance on Brisbane Datacentre

Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.

AEMO ELECTRICITY MARKET NOTICE

Cancellation of Actual (LOR1) condition in the QLD region - 16/06/2025

The Actual LOR1 Condition in the QLD Region advised in AEMO Electricity Market Notice No.127572 is cancelled at 0715 hrs 16/06/2025.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Actual Lack Of Reserve Level 1 (LOR1) in the QLD region - 16/06/2025

An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the QLD region from 0630 hrs.
The Actual LOR1 condition is forecast to exist until 0730 hrs

The capacity reserve requirement is 700 MW
The minimum capacity reserve available is 638 MW

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Cancellation of Actual (LOR1) condition in the QLD region - 14/06/2025

The Actual LOR1 Condition in the QLD Region advised in AEMO Electricity Market Notice No.127542 is cancelled at 1808 hrs 14/06/2025.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Actual Lack Of Reserve Level 1 (LOR1) in the QLD region - 14/06/2025

An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the QLD region from 1730 hrs.
The Actual LOR1 condition is forecast to exist until 1800 hrs

The capacity reserve requirement is 730 MW
The minimum capacity reserve available is 724 MW

Manager NEM Real Time Operations

Change Number: CHG0103468

Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Identity Service (IDS)
Change Title: Identity Service Site Transfer
Change Start Date & Time: 19/06/2025 17:00:00
Change End Date & Time: 19/06/2025 22:00:00
Outage Start Date & Time: 19/06/2025 18:00:39
Outage End Date & Time: 19/06/2025 18:15:00
Environment: Production
Participant Impact and Requirements: Identity Service is used by multiple systems for user authorisation and authentication.
Identity Service is mostly used by the following systems:
*MSATS
*APIs (EMMS, GBB, MSATS)
*WEM
*Internal / Markets Portal Services
Identity Service may cause users to experience outages or few session issues for logins initated between 18:00 to 18:15 Market Time on 19/June/2025.
Internal / Market Portal Services will have an outage due to EMMS site transfer activities carried out in parallel, under a seperate change.

Support Information:
Report any impacts to the AEMO Information and Support Hub or call 1300 236 600.
Please refer to https://aemo.service-now.com/participantportal?id=pp_services_status for any planned/unplanned maintenance activities.

Change Number: CHG0103768

Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: MarketNet
Change Title: Planned maintenance affecting the AEMO Market Network.
Change Start Date & Time: 26/06/2025 07:00:00
Change End Date & Time: 26/06/2025 18:00:00
Outage Start Date & Time:
Outage End Date & Time:
Environment: Production
Participant Impact and Requirements: Planned maintenance will be conducted on the 26th of June 2025, between 07:00AM and 05:00PM AEST on the core network infrastructure within the AEMO Market Network in Brisbane.

During the change, there will be two instances of 1-3 second service disruption to MarketNet Services accessed via Brisbane as traffic moves from the active to the standby load balancing unit. All Services should return to normal after this time. Traffic via Sydney will not be affected during this time. AEMO recommends that all market participants with site to site VPN connections currently connected via Brisbane, to switch these connections to the Sydney site as a precaution.

Participants connecting via IPWAN and/or SSL VPN will be automatically connected to the Sydney site and do not need to take any action.

Support Information:
Report any impacts to the AEMO Information and Support Hub or call 1300 236 600.
Please refer to https://aemo.service-now.com/participantportal?id=pp_services_status for any planned/unplanned maintenance activities.