Market Notices

119893INTER-REGIONAL TRANSFER05/11/2024 08:48:29 AM

Inter-regional transfer limit variation - Tamworth No 3 330 kV bus and Tamworth - Uralla No. 85 330 kV Line - NSW region - 05/11/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Tamworth No 3 330 kV bus and Tamworth - Uralla No. 85 330 kV Line - NSW region - 05/11/2024

A planned outage of Tamworth No 3 330 kV bus and Tamworth - Uralla No. 85 330 kV Line in the NSW region was scheduled to be completed at 1700 hrs 05/11/2024

The outage has been completed by 0840 hrs 05/11/2024.

Constraint set(s) invoked:
N-MUTW_88
N-TWUL_85
N-TW_SVC
N-DM_SVC
N-X_TW_330_BUS3-5

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

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
     
119826INTER-REGIONAL TRANSFER03/11/2024 01:10:08 PM

Inter-regional transfer limit variation - three poles of Directlink - NSW region - 03/11/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - three poles of Directlink - NSW region - 03/11/2024

At 1330 hrs 03/11/2024 there will be a short notice outage of all three poles of Directlink.

The following constraint set(s) to be invoked at 1330 hrs 03/11/2024
N-X_MBTE_3

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
     
119701NON-CONFORMANCE31/10/2024 02:01:14 PM

NON-CONFORMANCE Region NSW1 Thursday, 31 October 2024

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE Region NSW1 Thursday, 31 October 2024

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:.

Unit: MP1
Duration: 31/10/2024 13:25 to 31/10/2024 13:30
Amount: -52 MW
Constraint: NC-N_MP1

Manager NEM Real Time Operations
     
119699NON-CONFORMANCE31/10/2024 01:05:15 PM

NON-CONFORMANCE Region QLD1 Thursday, 31 October 2024

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE QLD1 Region Thursday, 31 October 2024

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:

Unit: MPP_2
Duration: 31/10/2024 12:50 to 31/10/2024 13:05
Amount: 24 MW
Constraint: NC-Q_MPP_2

Auto-generated on behalf of Manager NEM Real Time Operations
     
119691POWER SYSTEM EVENTS31/10/2024 03:45:23 AM

Update - Non-credible contingency event - NSW region - 31/10/2024

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - NSW region - 31/10/2024

Refer AEMO Electricity Market Notice 119689

At 0345 hrs the Wagga B 330 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
     
119690INTER-REGIONAL TRANSFER31/10/2024 01:00:29 AM

Inter-regional transfer limit variation - Wagga B 330 kV Bus - NSW region - 31/10/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Wagga B 330 kV bus- NSW region - 31/10/2024

At 0028 hrs 31/10/2024 there was an unplanned outage of Wagga B 330 kV bus.

The following constraint set(s) invoked at 0045 hrs 31/10/2024
N-WAGGA_330_BUSB, N-JNWG_RADIAL, V-DBUSS_L and V-DBUSS_T

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

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
     
119689POWER SYSTEM EVENTS31/10/2024 12:49:14 AM

Non-credible contingency event - NSW region - 31/10/2024

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - NSW region - 31/10/2024

At 0028 hrs the Wagga B 330 kV bus tripped which offloaded the Wagga - Walla Walla SF 6Y 330 kV line and Wagga No.3 transformer.

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
     
119688INTER-REGIONAL TRANSFER30/10/2024 06:15:38 PM

Inter-regional transfer limit variation - Moorabool - Sydenham No.1 500 kV line - VIC region - 30/10/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Moorabool - Sydenham No.1 500 kV line - VIC region - 30/10/2024

A planned outage of Moorabool - Sydenham No.1 500 kV line in the VIC region was scheduled from 0500 hrs 22/10/2024 to 1930 hrs 01/11/2024.

The outage has been completed and Moorabool - Sydenham No.1 500 kV line returned to service at 1815 hrs 30/10/2024

Constraint set revoked: V-MLSY_NOEMTT_R

Manager NEM Real Time Operations
     
119626INTER-REGIONAL TRANSFER29/10/2024 11:27:47 AM

Cancellation - Inter-regional transfer limit variation - constraint automation to manage Power System Security in SA region - 29/10/2024

AEMO ELECTRICITY MARKET NOTICE

Refer AEMO Electricity Market Notice 119610

Constraint set CA_SYDS_5632AA58 was invoked from 0940 hrs until 10:45 hrs 29/10/2024.

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

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

Manager NEM Real Time Operations
     
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