Market Notices

128176INTER-REGIONAL TRANSFER19/07/2025 03:25:24 PM

Inter-regional transfer limit variation - Bulgana-Horsham 220kV LINE - VIC region - 19/07/2025

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Bulgana-Horsham 220kV LINE - VIC region - 19/07/2025

A planned outage of Bulgana-Horsham 220kV LINE in the VIC region was scheduled from 0700 hrs 19/07/2025 to 1730 hrs 19/07/2025.

The outage has been completed and Bulgana-Horsham 220kV LINE returned to service at 1525 hrs 19/07/2025

Constraint set(s) revoked: V-BUHO

Manager NEM Real Time Operations
     
128175POWER SYSTEM EVENTS19/07/2025 01:35:42 PM

Non-credible contingency event - TAS region - 19/07/2025

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - TAS region - 19/07/2025

At 1240 hrs the Liapoota - Wadamana - Palmerston 220 kV line and the Cattle Hill Wind Farm - Wadamana 220 kV line tripped.

AEMO did not instruct load shedding.

AEMO has been advised of a 70 MW load reduction at Nyrstar.

The cause of this non credible contingency event is not known at this stage.

Manager NEM Real Time Operations
     
128164INTER-REGIONAL TRANSFER18/07/2025 12:18:28 PM

Inter-regional transfer limit variation - S3 Greenbank 275 kV SVC - QLD region - 18/07/2025

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - S3 Greenbank 275 kV SVC - QLD region - 18/07/2025

At 1207 hrs 18/07/2025 there was an unplanned outage of S3 Greenbank 275 kV SVC.

The following constraint set(s) invoked at 1215 hrs 18/07/2025
Q-GB_VC

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

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
     
128160POWER SYSTEM EVENTS18/07/2025 08:49:29 AM

Non-credible contingency event - QLD region - 18/07/2025

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - QLD region - 18/07/2025

At 0825 hrs the H11_Nebo 275/132 kV No.1 Transformer was switched out on a planned outage and the H11_Nebo 275 kV SVC tripped.

AEMO did not instruct load shedding.

AEMO has not been advised of any disconnection of bulk electrical load.

The cause of this non credible contingency event is not known at this stage.

Manager NEM Real Time Operations
     
128151INTER-REGIONAL TRANSFER17/07/2025 03:15:24 PM

Inter-regional transfer limit variation - Calvale-Halys 8810 275kV LINE - QLD region - 17/07/2025

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Calvale-Halys 8810 275kV LINE - QLD region - 17/07/2025

A planned outage of Calvale-Halys 8810 275kV LINE in the QLD region was scheduled from 2300 hrs 15/07/2025 to 1600 hrs 18/07/2025.

The outage has been completed and Calvale-Halys 8810 275kV LINE returned to service at 1500 hrs 17/07/2025

Constraint set(s) revoked: Q-HACL

Manager NEM Real Time Operations
     
128135RESERVE NOTICE16/07/2025 05:11:13 PM

PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 16/07/2025

AEMO ELECTRICITY MARKET NOTICE

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


[1.] From 1800 hrs 16/07/2025 to 1900 hrs 16/07/2025.
The forecast capacity reserve requirement is 1400 MW.
The minimum capacity reserve available is 1343 MW.


Manager NEM Real Time Operations
     
128134INTER-REGIONAL TRANSFER16/07/2025 01:32:26 PM

Inter-regional transfer limit variation - Heywood M1 Transformer - VIC region - 16/07/2025

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Heywood M1 Transformer- VIC region - 16/07/2025

A planned outage of Heywood M1 Transformer in the VIC region was scheduled from 0700 hrs 16/07/2025 to 1800 hrs 16/07/2025.

The outage has been completed and Heywood M1 Transformer returned to service at 1335 hrs 16/07/2025

Constraint set(s) revoked: V-HYTX_M12

Manager NEM Real Time Operations
     
128119RESERVE NOTICE13/07/2025 01:42:17 PM

PDPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 14/07/2025

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
     
128118RESERVE NOTICE13/07/2025 12:51:15 PM

PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 14/07/2025

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
     
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