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Significant power system event - Victoria Region - Hazelwood transformers -13/02/2024
At 1543 hrs 13/02/2024 At Hazelwood terminal station in the Victoria region the following plant tripped.
The No1 500 kV / 220 kV transformer
The No2 500 kV / 220 kV transformer
The No3 500 kV / 220 kV transformer
The No4 500 kV / 220 kV transformer
The Jeeralang Hazelwood No2 220kV line.
Refer Market notice 114641
Updates will be provided as additional information becomes available.
This Market Notice is issued in accordance with NER clause 4.8.3.
Manager NEM Real Time Operations
Non-credible contingency event - TAS region - 13/02/2024
Non-credible contingency event - TAS region - 13/02/2024
At 1602 hrs the Norwood -Scottsdale 110kV line and the Norwood - Scottsdale -Derby 110kV line tripped.
AEMO did not instruct load shedding.
AEMO has been advised 8MW of electrical load and 24MW of generation has been disconnected.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
Cancellation of Actual (LOR3) condition in the VIC region - 13/02/2024
Cancellation of Actual (LOR3) condition in the VIC region - 13/02/2024
The Actual LOR3 Condition in the VIC region advised in AEMO Electricity Market Notice No.114604 is cancelled at 1515 hrs 13/02/2024.
Manager NEM Real Time Operations
Significant power system event - Victoria region - 13/02/2024
At 1308 hrs 13/02/2024 the Moorabool Sydenham No1 and No2 500 kV lines tripped.
There have been reports of towers on the ground.
In the Victorian region
1000 MW of customer load lost during the fault has been restored
2690 Generation tripped
The AEMO instructed loadshed of 300 MW is being progressively restored.
Updates will be provided as additional information becomes available.
This Market Notice is issued in accordance with NER clause 4.8.3.
Manager NEM Real Time Operations
Actual Lack Of Reserve Level 3 (LOR3) in the VIC region - 13/02/2024
Actual Lack Of Reserve Level 3 (LOR3) in the VIC region - 13/02/2024
Customer load shedding of non-interruptible load is occurring in the VIC region as a result of a shortfall of available capacity reserves.
An Actual LOR3 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the VIC region from 1420 hrs.
The Actual LOR3 condition is not forecast in Pre Dispatch.
The maximum load to be interrupted is up to 450 MW from 1420 hrs 13/02/2024
Manager NEM Real Time Operations
Significant power system event - 13 Feb 2024
Significant power system event - 13 Feb 2024
At 1308 hrs 13/02/2024 a significant power system event occurred.
Description of event - Multiple tripping of generation and transmission lines in the Vic region
Transmission element(s) tripped - Moorabool Sydenham No1 and No2 500 kV lines tripped
Region/s - Vic
Load interrupted - in excess of 1000 MW
Generation volume tripped - 2300 MW
Updates will be provided as additional information becomes available.
This Market Notice is issued in accordance with NER clause 4.8.3.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Dapto - Marulan 8 Line - NSW region - 08/02/2024
Inter-regional transfer limit variation - Dapto - Marulan 8 Line - NSW region - 08/02/2024
At 1015 hrs 08/02/2024 there was a short notice outage of Dapto - Marulan 8 Line
The following constraint set(s) invoked at 1015 hrs 08/02/2024
N-DTMN_8_15M
This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1,NSW1-QLD1,VIC1-NSW1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - South Pine SVC - QLD region - 07/02/2024
Inter-regional transfer limit variation - South Pine SVC - QLD region - 07/02/2024
At 1850 hrs 07/02/2024 there was an unplanned outage of the South Pine SVC.
The following constraint set(s) invoked at 1855 hrs 07/02/2024
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
Inter-regional transfer limit variation - Greenbank 275kV SVC - QLD region - 06/02/2024
Inter-regional transfer limit variation - Greenbank 275kV SVC - QLD region - 06/02/2024
At 2102 hrs 06/02/2024 there was an unplanned outage of the Greenbank 275kV SVC
The following constraint set(s) invoked at 2110 hrs 06/02/2024
Q-GB_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