Market Notices

Change Number: CHG0104670

Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Windows Server
Change Title: Planned system maintenance to the EMMS PreProduction Environment
Change Start Date & Time: 17/07/2025 09:00:00
Change End Date & Time: 17/07/2025 17:00:00
Outage Start Date & Time: 17/07/2025 09:00:00
Outage End Date & Time: 17/07/2025 14:00:00
Environment: Pre-Production

Participant Impact and Requirements: The Pre-Production Electricity Market Management System(EMMS) ,Frequency Performance Payments (FPP), Gas Supply Hub (GSH) will be unavailable during the scheduled outage window.

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.

AEMO ELECTRICITY MARKET NOTICE

Network Augmentation Commissioned - NSW Region - 14/07/2025

Commissioned:
Buronga No. 1 330 kV/330 kV phase shifting transformer
Buronga No. 2 330 kV/330 kV phase shifting transformer
Buronga No. 3 330 kV/330 kV phase shifting transformer
Buronga No. 4 330 kV/330 kV phase shifting transformer

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Cancellation - AEMO Intervention Event - SA region 12/07/2025

Refer to Market Notice 128101

The AEMO Intervention Event and all associated directions are cancelled from 1600 hrs on 13/07/2025.


Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Cancellation: Direction issued to: AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN

Refer to Market Notice 128102

Direction is cancelled from: 1600 hrs 13/07/2025

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR1 condition in the SA region advised in AEMO Electricity Market Notice No. 128118 is cancelled at 1338 hrs 13/07/2025.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the SA region for the following Period:


[1.] From 0800 hrs 14/07/2025 to 0930 hrs 14/07/2025.
The forecast capacity reserve requirement is 436 MW.
The minimum capacity reserve available is 325 MW.


Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Inter-Regional Transfer limit variation - Directlink - NSW Region

There has been an unplanned outage of the No 3 Leg of Directlink .

The following constraint set was invoked at 2255 hrs 12/07/2025

N-X_MBTE_3

The constraint set contains the following interconnector on the left hand side.

N-Q-MNSP1

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

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Braemar (R2) No.1 330/275 kV Transformer - QLD region - 12/07/2025

At 2145 hrs 12/07/2025 there was an unplanned outage of Braemar (R2) No.1 330/275 kV Transformer.

The following constraint set(s) invoked at 2145 hrs 12/07/2025
Q-BRTX1

This constraint set(s) contains equations with the following interconnectors on the LHS.
NSW1-QLD1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Update - Foreseeable AEMO intervention in SA region

Refer AEMO Electricity Market Notice 128097

AEMO has identified a foreseeable circumstance that may require an AEMO intervention event in the SA region from 2200 hrs 12/07/2025.

The foreseeable circumstance requiring the need for intervention is Voltage.

AEMO estimates that, in the absence of sufficient market response by 1450 hrs 12/07/2025, AEMO may need to intervene by issuing a direction.

Manager NEM Real Time Operations