Market Notices

113662POWER SYSTEM EVENTS23/01/2024 11:31:54 AM

Update - Non-credible contingency event - QLD region - 23/01/2024

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - QLD region - 23/01/2024

Refer AEMO Electricity Market Notice 113659

At 1122 hrs the H35 Strathmore No2 275 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.

Nebo - Strathmore 878 275 kV line to remain out of service.

See Network Outage Scheduler (NOS) for further details.

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

Manager NEM Real Time Operations
113659POWER SYSTEM EVENTS23/01/2024 10:20:24 AM

Non-credible contingency event - QLD region - 23/01/2024

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - QLD region - 23/01/2024

At 0957 hrs the Strathmore No 2 275 kV bus 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.
The following constraint set(s) invoked
Q-NESTM
Q-X_NQ_275_FDR+BUS

Manager NEM Real Time Operations
113654INTER-REGIONAL TRANSFER23/01/2024 03:30:39 AM

Inter-regional transfer limit variation - Hazelwood - South Morang No2 500 kV Line - VIC region - 23/01/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Hazelwood - South Morang No2 500 kV Line - VIC region - 23/01/2024

At 0318 hrs 23/01/2024 there was an unplanned outage of Hazelwood - South Morang No2 500 kV Line.

The following constraint set(s) invoked at 0325 hrs 23/01/2024
V-HWSM

This constraint set(s) contains equations with the following interconnectors on the LHS.
T-V-MNSP1,V-S-MNSP1,V-SA,VIC1-NSW1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
113416INTER-REGIONAL TRANSFER18/01/2024 03:14:09 PM

Inter-Regional Transfer limit variation - Directlink - NSW Region

AEMO ELECTRICITY MARKET NOTICE

Inter-Regional Transfer limit variation - Directlink - NSW Region

There has been an unplanned outage of the No 3 Leg of Directlink .

The following constraint set was invoked at 1510 hrs 18/01/2024

N-MBTE_1

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
113395INTER-REGIONAL TRANSFER17/01/2024 09:40:50 PM

Inter-regional transfer limit variation - Bulli Creek - Dumaresq 8M 330 kV line - QLD region - 17/01/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Bulli Creek - Dumaresq 8M 330 kV line - QLD region - 17/01/2024

At 2115 hrs 17/01/2024 there was an unplanned outage of Bulli Creek - Dumaresq 8M 330 kV line.

The following constraint set(s) invoked at 2130 hrs 17/01/2024
I-BCDM_ONE, N-DM_SVC, N-TW_SVC, N-X_8L+DM+TW_SVC, N-X_DM+LS+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
113201INTER-REGIONAL TRANSFER11/01/2024 10:08:48 AM

Inter-regional transfer limit variation - South East CB6611 - SA region - 11/01/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - South East CB6611 - SA region - 11/01/2024

At 0955 hrs 11/01/2024 there was an short notice outage of South East CB6611.

The following constraint set(s) invoked at 0955 hrs 11/01/2024
S-SECB6611_10

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

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
113095INTER-REGIONAL TRANSFER07/01/2024 01:32:17 PM

Inter-regional transfer limit variation - Crowlands-Bulgana-Horsham 220 kV Line - Vic region - 07/01/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Crowlands-Bulgana-Horsham 220 kV Line - Vic region - 07/01/2024

At 1152 hrs 07/01/2024 there was an unplanned outage of the Crowlands-Bulgana-Horsham 220 kV Line.

The following constraint set invoked at 12:05 hrs 07/01/2024
V-CWHO

This constraint set(s) contains equations with the following interconnectors on the LHS.
V-S-MNSP1
V-SA
VIC1-NSW1
T-V-MNSP1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
113013INTER-REGIONAL TRANSFER03/01/2024 12:32:13 PM

Inter-regional transfer limit variation - South Pine SVC - QLD region - 03/01/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - South Pine SVC - QLD region - 03/01/2024

At 1220 hrs 03/01/2024 there was an unplanned outage of the South Pine SVC.

The following constraint set(s) invoked at 1230 hrs 03/01/2024
Q-SP_VC

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

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
113008INTER-REGIONAL TRANSFER03/01/2024 09:56:40 AM

Cancellation Inter-Regional Transfer limit variation - Directlink control unavailable (NSW Region)

AEMO ELECTRICITY MARKET NOTICE

Cancellation Inter-Regional Transfer limit variation - Directlink control unavailable (NSW Region).

Refer AEMO Electricity Market Notice 113007

AEMO has been notified that the controls to vary Directlink output are now available.

Constraint set I-CTRL_ISSUE_TE revoked at 0940 hrs.

Manager NEM Real Time Operations
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