Market Notices

118016INTER-REGIONAL TRANSFER31/08/2024 04:31:20 PM

Inter-regional transfer limit variation - Armidale - Sapphire 8E 330 kV line - NSW region - 31/08/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Armidale - Sapphire 8E 330 kV line - NSW region - 31/08/2024

At 1630 hrs 31/08/2024 there was a short notice outage of Armidale - Sapphire 8E 330 kV line.

The following constraint set(s) invoked at 1630 hrs 31/08/2024
N-ARSR_8E, N-TW_SVC

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

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
     
117922INTER-REGIONAL TRANSFER28/08/2024 11:36:17 AM

Inter-regional transfer limit variation - Dumaresq 330 kV SVC - NSW region - 28/08/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Dumaresq 330 kV SVC - NSW region - 28/08/2024

At 1125 hrs 28/08/2024 there was a short notice outage of Dumaresq 330 kV SVC.

The following constraint set(s) invoked at 1125 hrs 28/08/2024
N-DM_SVC

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
117916INTER-REGIONAL TRANSFER28/08/2024 09:06:54 AM

Inter-regional transfer limit variation - constraint automation to manage Power System Security in NSW region - 28/08/2024

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_55E0E615 from 0900 hrs until further notice.

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

N-Q-MNSP1

Refer to AEMO Network Outage Scheduler (NOS) for further information.

Manager NEM Real Time Operations
117909POWER SYSTEM EVENTS28/08/2024 02:17:12 AM

Update - Non-credible contingency event - VIC region - 28/08/2024

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - VIC region - 28/08/2024

Refer AEMO Electricity Market Notice 117908

At 0134 hrs the APD No 2 Potline was returned to service.

At 0200 hrs the APD No 1 Potline 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
117908POWER SYSTEM EVENTS28/08/2024 01:02:22 AM

Non-credible contingency event - VIC region - 28/08/2024

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - VIC region - 28/08/2024

At 0001 hrs the APD No1 Potline and the APD No 2 Potline tripped.

AEMO did not instruct load shedding.

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


Manager NEM Real Time Operations
117832INTER-REGIONAL TRANSFER27/08/2024 11:05:19 AM

Cancellation - Inter-Regional Transfer limit variation - Murraylink 27/08/2024

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Inter-Regional Transfer limit variation - Murraylink 27/08/2024

Refer AEMO Electricity Market Notice 117831

To manage power system security in the Victoria region, AEMO invoked the following network constraint.

Constraint Set invoked from 10:40 hrs 27/08/2024 to 11:00 hrs 27/08/2024
I:SVML_120

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

Manager NEM Real Time Operations
117831INTER-REGIONAL TRANSFER27/08/2024 10:51:11 AM

Inter-Regional Transfer limit variation - Murraylink 27/08/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-Regional Transfer limit variation - Murraylink 27/08/2024

To manage power system security in the Victoria region, AEMO has invoked the following network constraint.

Constraint Set invoked at 10:40 HRS 27/08/2024
I:SVML_120

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

Manager NEM Real Time Operations
117806INTER-REGIONAL TRANSFER26/08/2024 03:08:55 AM

Inter-regional transfer limit variation - Cherry Gardens - Torrens Island B 275kV Line - SA region - 26/08/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Cherry Gardens - Torrens Island B 275kV Line - SA region - 26/08/2024

At 0250 hrs 26/08/2024 there was a short notice outage of Cherry Gardens - Torrens Island B 275kV Line.

The following constraint set(s) invoked at 0250 hrs 26/08/2024
S-CGTI

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

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
117783POWER SYSTEM EVENTS25/08/2024 10:33:54 AM

Update - Non-credible contingency event - TAS region - 25/08/2024

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - TAS region - 25/08/2024

Refer AEMO Electricity Market Notice 117782

At 1023 hrs the New Norfolk A 110kV 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
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