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114642POWER SYSTEM EVENTS13/02/2024 04:14:12 PM
Non-credible contingency event - TAS region - 13/02/2024
AEMO ELECTRICITY MARKET NOTICE.
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
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
114629LOAD RESTORE13/02/2024 03:13:39 PM
Load Restoration Direction Cancellation in the Vic Region
AEMO ELECTRICITY MARKET NOTICE
Cancellation - Load Restoration Direction in the Vic Region - 13/02/2024
Refer to AEMO Electricity Market Notice ID 114607
Load restoration as directed is complete. Direction cancelled from 1510 hrs 13/02/2024.
Manager NEM Real Time Operations
Cancellation - Load Restoration Direction in the Vic Region - 13/02/2024
Refer to AEMO Electricity Market Notice ID 114607
Load restoration as directed is complete. Direction cancelled from 1510 hrs 13/02/2024.
Manager NEM Real Time Operations
114627LOAD RESTORE13/02/2024 03:08:04 PM
Load Restoration Direction in the Vic Region
AEMO ELECTRICITY MARKET NOTICE
Load Restoration Direction in the Vic Region
AEMO has directed load restoration commencing at 1450 hrs 13/02/2024 in the Victoria region
The direction was issued under section 116 of the NEL, and was a clause 4.8.9 instruction under the NER.
Manager NEM Real Time Operations
Load Restoration Direction in the Vic Region
AEMO has directed load restoration commencing at 1450 hrs 13/02/2024 in the Victoria region
The direction was issued under section 116 of the NEL, and was a clause 4.8.9 instruction under the NER.
Manager NEM Real Time Operations
114625POWER SYSTEM EVENTS13/02/2024 03:06:04 PM
Significant power system event - Victoria region - 13/02/2024
AEMO ELECTRICITY MARKET NOTICE.
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
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
114577POWER SYSTEM EVENTS13/02/2024 01:22:13 PM
Significant power system event - 13 Feb 2024
AEMO ELECTRICITY MARKET NOTICE.
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
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
113958RESERVE NOTICE29/01/2024 09:17:19 AM
STPASA - Suspect Lack Of Reserve Level 3 (LOR3) in the QLD Region on 01/02/2024
AEMO ELECTRICITY MARKET NOTICE
AEMO considers that there are suspect Forecast LOR3 conditions for the QLD region for the following periods:
1. From 0900 hrs to 1000 hrs 01/02/2024.
The maximum load (other than interruptible loads) forecast to be interrupted is 38 MW at 0930 hrs.
2. From 1130 hrs to 1200 hrs 01/02/2024.
The maximum load (other than interruptible loads) forecast to be interrupted is 62 MW at 1130 hrs.
AEMO is currently investigating these LOR3 forecast conditions to confirm whether they are valid.
AEMO Operations
AEMO considers that there are suspect Forecast LOR3 conditions for the QLD region for the following periods:
1. From 0900 hrs to 1000 hrs 01/02/2024.
The maximum load (other than interruptible loads) forecast to be interrupted is 38 MW at 0930 hrs.
2. From 1130 hrs to 1200 hrs 01/02/2024.
The maximum load (other than interruptible loads) forecast to be interrupted is 62 MW at 1130 hrs.
AEMO is currently investigating these LOR3 forecast conditions to confirm whether they are valid.
AEMO Operations
113860POWER SYSTEM EVENTS27/01/2024 02:49:35 PM
Cancellation - Non-credible contingency event - QLD region - 27/01/2024
AEMO ELECTRICITY MARKET NOTICE.
Cancellation - Non-credible contingency event - QLD region - 27/01/2024
Refer AEMO Electricity Market Notice 113825
At 0138 hrs the Gin Gin (H6) No.2 275 kV Busbar tripped.
AEMO has received further information and now determines this was not a non-credible contingency event.
Manager NEM Real Time Operations
Cancellation - Non-credible contingency event - QLD region - 27/01/2024
Refer AEMO Electricity Market Notice 113825
At 0138 hrs the Gin Gin (H6) No.2 275 kV Busbar tripped.
AEMO has received further information and now determines this was not a non-credible contingency event.
Manager NEM Real Time Operations
113825POWER SYSTEM EVENTS27/01/2024 01:57:16 AM
Non-credible contingency event - QLD region - 27/01/2024
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - QLD region - 27/01/2024
At 0138 hrs the Gin Gin (H6) No.2 275 kV Busbar 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
Non-credible contingency event - QLD region - 27/01/2024
At 0138 hrs the Gin Gin (H6) No.2 275 kV Busbar 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
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
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