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95986POWER SYSTEM EVENTS01/05/2022 07:33:55 AM
Update - Non-credible contingency event - NSW region - 01/05/2022
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - NSW region - 01/05/2022
Refer AEMO ELECTRICITY MARKET NOTICE MN95985
At 0710 hrs 01/05/2022 the Molong No.1 and No 2 132kV Buses were 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.
AEMO has now been advised there was a disconnection of 2.5 MW of bulk electrical load.
Manager NEM Real Time Operations
Update - Non-credible contingency event - NSW region - 01/05/2022
Refer AEMO ELECTRICITY MARKET NOTICE MN95985
At 0710 hrs 01/05/2022 the Molong No.1 and No 2 132kV Buses were 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.
AEMO has now been advised there was a disconnection of 2.5 MW of bulk electrical load.
Manager NEM Real Time Operations
95985POWER SYSTEM EVENTS01/05/2022 05:44:38 AM
Non-credible contingency event - NSW region - 01/05/2022
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - NSW region - 01/05/2022
At 0453 hrs the Molong No.1 and No 2 132kV Buses 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 - NSW region - 01/05/2022
At 0453 hrs the Molong No.1 and No 2 132kV Buses 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
95956POWER SYSTEM EVENTS27/04/2022 01:59:05 AM
Update - Non-credible contingency event - Qld region - 26/04/2022
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - Qld region - 26/04/2022
Refer AEMO ELECTRICITY MARKET NOTICE MN95955
At 0147 hrs 27/04/2022 the Woree No.1 132kV 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
Update - Non-credible contingency event - Qld region - 26/04/2022
Refer AEMO ELECTRICITY MARKET NOTICE MN95955
At 0147 hrs 27/04/2022 the Woree No.1 132kV 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
95955POWER SYSTEM EVENTS26/04/2022 04:51:18 PM
Non-credible contingency event - Qld region - 26/04/2022
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - Qld region - 26/04/2022
At 1629 hrs the Woree No.1 132kV bus tripped.
AEMO did not instruct load shedding.
AEMO has been advised of the disconnection of 34 MW of bulk electrical load.
Constraint set Q-X_CHWK_BC_NE invoked from 1640 hrs.
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 - 26/04/2022
At 1629 hrs the Woree No.1 132kV bus tripped.
AEMO did not instruct load shedding.
AEMO has been advised of the disconnection of 34 MW of bulk electrical load.
Constraint set Q-X_CHWK_BC_NE invoked from 1640 hrs.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
95886POWER SYSTEM EVENTS17/04/2022 12:45:25 PM
Non-credible contingency event - Tas region - 17/04/2022
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - Tas region - 17/04/2022
At 1150 hrs the Knights Rd -Kermandie Tee Huon River 110 kV Line and the 110 kV CB A152 at Kingston 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 - Tas region - 17/04/2022
At 1150 hrs the Knights Rd -Kermandie Tee Huon River 110 kV Line and the 110 kV CB A152 at Kingston 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
95668POWER SYSTEM EVENTS31/03/2022 05:11:02 PM
Non-credible contingency event - Qld region - 31/03/2022
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - Qld region - 31/03/2022
At 1640 hrs Gladstone Unit 3 and Unit 4 and the Calliope River - Gladstone PS 132 kV feeder 7375 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 - 31/03/2022
At 1640 hrs Gladstone Unit 3 and Unit 4 and the Calliope River - Gladstone PS 132 kV feeder 7375 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
94989POWER SYSTEM EVENTS01/03/2022 03:36:03 PM
Update - Non-credible contingency event - Vic region - 01/03/2022
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - Vic region - 01/03/2022
Refer AEMO ELECTRICITY MARKET NOTICE MN94973
The cause of this non credible contingency event is not known at this stage.
AEMO is not satisfied that this non credible event is unlikely to re-occur.
AEMO has therefore reclassified this event as a credible contingency event until further notice.
Region: Vic
Elements: The Kiamal Solar - Red Cliffs 220 kV line and Kiamal Solar Farm STX transformer (Kiamal synchronous condenser) and Buronga 2 & 3 synchronous condensers
Duration: 01/03/2022 1530 hrs until further notice
Constraint set(s) invoked: Nil
Manager NEM Real Time Operations
Update - Non-credible contingency event - Vic region - 01/03/2022
Refer AEMO ELECTRICITY MARKET NOTICE MN94973
The cause of this non credible contingency event is not known at this stage.
AEMO is not satisfied that this non credible event is unlikely to re-occur.
AEMO has therefore reclassified this event as a credible contingency event until further notice.
Region: Vic
Elements: The Kiamal Solar - Red Cliffs 220 kV line and Kiamal Solar Farm STX transformer (Kiamal synchronous condenser) and Buronga 2 & 3 synchronous condensers
Duration: 01/03/2022 1530 hrs until further notice
Constraint set(s) invoked: Nil
Manager NEM Real Time Operations
94973POWER SYSTEM EVENTS01/03/2022 08:40:27 AM
Update - Non-credible contingency event - Vic region - 01/03/2022
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - Vic region - 01/03/2022
Refer AEMO ELECTRICITY MARKET NOTICE MN94967
The cause of this non credible contingency event is not known at this stage.
AEMO is not satisfied that this non credible event is unlikely to re-occur.
AEMO has therefore reclassified this event as a credible contingency event until further notice.
Region: Vic
Elements: The Kiamal Solar - Red Cliffs 220 kV line and Kiamal Solar Farm STX transformer (Kiamal synchronous condenser)
Duration: 01/03/2022 0830 hrs until further notice
Constraint set(s) invoked: Nil
Manager NEM Real Time Operations
Update - Non-credible contingency event - Vic region - 01/03/2022
Refer AEMO ELECTRICITY MARKET NOTICE MN94967
The cause of this non credible contingency event is not known at this stage.
AEMO is not satisfied that this non credible event is unlikely to re-occur.
AEMO has therefore reclassified this event as a credible contingency event until further notice.
Region: Vic
Elements: The Kiamal Solar - Red Cliffs 220 kV line and Kiamal Solar Farm STX transformer (Kiamal synchronous condenser)
Duration: 01/03/2022 0830 hrs until further notice
Constraint set(s) invoked: Nil
Manager NEM Real Time Operations
94972POWER SYSTEM EVENTS01/03/2022 06:37:39 AM
Update - Non-credible contingency event - Vic region - 01/03/2022
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - Vic region - 01/03/2022
Refer AEMO ELECTRICITY MARKET NOTICE MN94967
At 0635 hrs the Kiamal SF - Red Cliffs 220 kV line and Buronga 2 & 3 synchronous condenser were 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
Update - Non-credible contingency event - Vic region - 01/03/2022
Refer AEMO ELECTRICITY MARKET NOTICE MN94967
At 0635 hrs the Kiamal SF - Red Cliffs 220 kV line and Buronga 2 & 3 synchronous condenser were 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