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
     
119883RESERVE NOTICE04/11/2024 07:11:23 PM

Cancellation of Actual (LOR1) condition in the QLD region - 04/11/2024

AEMO ELECTRICITY MARKET NOTICE

Cancellation of Actual (LOR1) condition in the QLD region - 04/11/2024

The Actual LOR1 Condition in the QLD Region advised in AEMO Electricity Market Notice No.119882 is cancelled at 1900 hrs 04/11/2024.

Manager NEM Real Time Operations
     
119882RESERVE NOTICE04/11/2024 06:18:07 PM

Actual Lack Of Reserve Level 1 (LOR1) in the QLD region - 04/11/2024

AEMO ELECTRICITY MARKET NOTICE

Actual Lack Of Reserve Level 1 (LOR1) in the QLD region - 04/11/2024

An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the QLD region from 1800 hrs.
The Actual LOR1 condition is forecast to exist until 1930 hrs

The capacity reserve requirement is 1135 MW
The minimum capacity reserve available is 875 MW

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
     
119714RESERVE NOTICE31/10/2024 06:43:53 PM

Cancellation of Actual (LOR1) condition in the QLD region - 31/10/2024

AEMO ELECTRICITY MARKET NOTICE

Cancellation of Actual (LOR1) condition in the QLD region - 31/10/2024

The Actual LOR1 Condition in the QLD Region advised in AEMO Electricity Market Notice No.119713 is cancelled at 1839 hrs 31/10/2024.

Manager NEM Real Time Operations
     
119713RESERVE NOTICE31/10/2024 06:22:56 PM

Actual Lack Of Reserve Level 1 (LOR1) in the QLD region - 31/10/2024

AEMO ELECTRICITY MARKET NOTICE

Actual Lack Of Reserve Level 1 (LOR1) in the QLD region - 31/10/2024

An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the QLD region from 1800 hrs.
The Actual LOR1 condition is forecast to exist until 1900 hrs

The forecast capacity reserve requirement is 1298 MW.
The minimum capacity reserve available is 1178 MW.

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
     
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