Market Notices

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Directlink - NSW region - 22/11/2024

At 1911 hrs 22/11/2024 there was an unplanned outage of the No.2 leg of Directlink.

The following constraint set(s) invoked at 1920 hrs 22/11/2024
N-X_MBTE_2

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

Refer to the AEMO Network Outage Scheduler for further information.

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 2 Leg of Directlink .

The following constraint set was invoked at 1720 hrs 22/11/2024

N-X_MBTE_2

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

Refer to AEMO Electricity Market Notice no. 120700, 120699 and 120698.

Please provide Generator Recall Information for the period from 25/11/2024 to 26/11/2024, by 1200 hrs on 21/11/2024 via the Generator Recall communication system, in accordance with clause 4.8.5A of the National Electricity Rules.

SO_OP_3719 Procedure for Submitting Generator Outage Recall Information is available at:
https://aemo.com.au/-/media/files/electricity/nem/security_and_reliability/power_system_ops/procedures/so_op_3719-procedure-for-submitting-recall-information-scheduled-generator-outages.pdf

Procedure on how to use Generator Recall in the EMMS Markets Portal is available at
http://www.aemo.com.au/-/media/Files/Electricity/NEM/IT-Systems-and-Change/2018/Guide-to-Generator-Recall-Plans.pdf

AEMO Operations

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Moorabool - Sydenham No. 2 500 kV Line - VIC region - 19/11/2024

A planned outage of Moorabool - Sydenham No. 2 500 kV Line in the VIC region was scheduled from 1130 hrs 13/11/2024 to 1900 hrs 20/11/2024.

The outage has been completed and Moorabool - Sydenham No. 2 500 kV Line returned to service at 1640 hrs 19/11/2024

Constraint set(s) revoked: V-MLSY_NOEMTT_R

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Southpine - Rocklea 809 275 kV Line - QLD region - 18/11/2024

At 1545 hrs 18/11/2024 there was an unplanned outage of Southpine - Rocklea 809 275 kV Line.

The following constraint set(s) invoked at 1545 hrs 18/11/2024
Q-RLSP_809

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

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Armidale to Dumaresq (8C) 330 kV line - NSW region - 17/11/2024

A planned outage of Armidale to Dumaresq (8C) 330 kV line in the NSW region was scheduled from 0500 hrs 17/11/2024 to 1700 hrs 17/11/2024.

The outage has been completed returned to service at 1330 hrs 17/11/2024

Constraint set(s) revoked:
N-ARDM_8C
N-DM_SVC
N-TW_SVC
N-X_8C+DM+TW_SVC

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - VIC region - 12/11/2024

Refer AEMO Electricity Market Notice 120305

At 1135 hrs the Yallourn No 1 220 kV bus was returned to service.

The cause of this non-credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.

AEMO will not reclassify this event as a credible contingency event.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - VIC region - 12/11/2024

At 1041 hrs the Yallourn No 1 220 kV bus and Yallourn Unit 4 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

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Bungama - Davenport 275 kV line - SA region - 11/11/2024

At 1307 hrs 11/11/2024 there was an unplanned outage of the Bungama - Davenport 275 kV line.

The following constraint set invoked at 1315 hrs 11/11/2024
S-BGDV

This constraint sets contains equations with the following interconnectors on the LHS.
V-S-MNSP1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations