Market Notices

120616INTER-REGIONAL TRANSFER18/11/2024 04:02:01 PM

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

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
     
120550INTER-REGIONAL TRANSFER17/11/2024 01:33:17 PM

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

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
     
120306POWER SYSTEM EVENTS12/11/2024 11:43:52 AM

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

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
     
120305POWER SYSTEM EVENTS12/11/2024 10:55:18 AM

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

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
     
120253INTER-REGIONAL TRANSFER11/11/2024 01:31:43 PM

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

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
     
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
     
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
     
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