Market Notices

127753RESERVE NOTICE23/06/2025 09:53:46 PM

STPASA - Forecast Lack Of Reserve Level 3 (LOR3) in the SA Region on 30/06/2025

AEMO ELECTRICITY MARKET NOTICE

AEMO declares a Forecast LOR3 condition under clause 4.8.4(b) of the National Electricity Rules for the SA region for the following period[s]:

[1.] From 0730 hrs 30/06/2025 to 0930 hrs 30/06/2025.
The maximum load (other than interruptible loads) forecast to be interrupted is 87 MW at 0800 hrs.

[2.] From 1700 hrs 30/06/2025 to 2300 hrs 30/06/2025.
The maximum load (other than interruptible loads) forecast to be interrupted is 112 MW at 1900 hrs.

AEMO is seeking a market response.

AEMO has not yet estimated the latest time it would need to intervene through an AEMO intervention event.

Manager NEM Real Time Operations
     
127743INTER-REGIONAL TRANSFER23/06/2025 05:44:44 PM

Inter-regional transfer limit variation - Darlington Point - Wagga No.63 330 kV line - NSW region - 23/06/2025

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Darlington Point - Wagga No.63 330 kV line - NSW region - 23/06/2025

At 1719 hrs 23/06/2025 there was an unplanned outage of Darlington Point - Wagga No.63 330 kV line. The Darlington Point - Balranald No. X5 220 kV line consequently tripped due to a control scheme for the trip of the above line as per design.

The following constraint set(s) invoked at 1725 hrs 23/06/2025
N-DPWG_63_X5

This constraint set(s) contains equations with the following interconnectors on the LHS.
VIC1-NSW1,N-Q-MNSP1,NSW1-QLD1,V-S-MNSP1,V-SA

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
     
127676INTER-REGIONAL TRANSFER20/06/2025 08:17:01 PM

Inter-Regional Transfer limit variation - Directlink - NSW Region

AEMO ELECTRICITY MARKET NOTICE

Inter-Regional Transfer limit variation - Directlink - NSW Region

There has been an unplanned outage of the No 1 Leg of Directlink .

The following constraint set was invoked at 2020 hrs 20/06/2025

N-MBTE_1

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
     
127670INTER-REGIONAL TRANSFER20/06/2025 12:23:50 PM

Inter-regional transfer limit variation - Directlink No.3 Cable - NSW region - 20/06/2025

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Directlink No.3 Cable - NSW region - 20/06/2025

A planned outage of Directlink No.3 Cable in the NSW region was scheduled from 0700 hrs 16/06/2025 to 1700 hrs 27/06/2025.

The outage has been completed and Directlink No.3 Cable returned to service at 1210 hrs 20/06/2025

Constraint set(s) revoked: N-MBTE_1

Manager NEM Real Time Operations
     
127503INTER-REGIONAL TRANSFER11/06/2025 06:24:21 PM

Cancellation- Inter-regional transfer limit variation - constraint automation to manage Power System Security in NSW region - 11/06/2025

AEMO ELECTRICITY MARKET NOTICE

Cancellation- Inter-regional transfer limit variation - constraint automation to manage Power System Security in NSW region - 11/06/2025

Refer AEMO Electricity Market Notice 127501

In order to maintain the power system in a secure operating state in the NSW region, AEMO invoked automated constraint set CA_SYDS_575BC182 from 1755 hrs until 1810 hrs.

This constraint set contains equations with the following interconnector on the LHS;

N-Q-MNSP1


Manager NEM Real Time Operations
     
127501INTER-REGIONAL TRANSFER11/06/2025 06:01:39 PM

Inter-regional transfer limit variation - constraint automation to manage Power System Security in NSW region - 11/06/2025

AEMO ELECTRICITY MARKET NOTICE

In order to maintain the power system in a secure operating state in the NSW region, AEMO has invoked automated constraint set CA_SYDS_575BC182 from 1755 hrs until further notice.

This constraint set contains equations with the following interconnector on the LHS;

N-Q-MNSP1


Manager NEM Real Time Operations
     
127496INTER-REGIONAL TRANSFER11/06/2025 04:25:53 PM

Inter-regional transfer limit variation - Collector - Yass (3L) 330kV line - NSW region - 11/06/2025

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Collector - Yass (3L) 330kV line - NSW region - 11/06/2025

A planned outage of Collector - Yass (3L) 330kV line in the NSW region was scheduled from 0700 hrs 10/06/2025 to 1500 hrs 16/06/2025.

The outage has been completed and Collector - Yass (3L) 330kV line returned to service at 1611 hrs 11/06/2025

Constraint set(s) revoked: N-CTYS_3L_WG_CLOSE

Manager NEM Real Time Operations
     
127492INTER-REGIONAL TRANSFER10/06/2025 10:35:15 AM

Inter-regional transfer limit variation - Middle Ridge - Greenbank (8848) 275 kV LINE- QLD region - 10/06/2025

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Middle Ridge - Greenbank (8848) 275 kV LINE - QLD region - 10/06/2025

At 1000 hrs 10/06/2025 there was a short notice outage of Middle Ridge - Greenbank (8848) 275 kV LINE.

The following constraint set(s) invoked at 1030 hrs 10/06/2025
Q-MRGB_8848_8849

This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1,NSW1-QLD1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
     
127449INTER-REGIONAL TRANSFER07/06/2025 12:06:39 PM

Cancellation Inter-Regional Transfer limit variation - Murraylink control unavailable (SA Region)

AEMO ELECTRICITY MARKET NOTICE

Cancellation Inter-Regional Transfer limit variation - Murraylink control unavailable (SA Region)

Refer AEMO Electricity Market Notice 127439

AEMO has been notified that the controls to vary Murraylink output are now available.

Constraint set I-CTRL_ISSUE_ML revoked at 1150 hrs.

Manager NEM Real Time Operations
     
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