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111252POWER SYSTEM EVENTS14/11/2023 11:09:55 AM
Non-credible contingency event - SA region - 14/11/2023
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - SA region - 14/11/2023
At 1045hrs the Para 275kV West Left 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.
Manager NEM Real Time Operations
Non-credible contingency event - SA region - 14/11/2023
At 1045hrs the Para 275kV West Left 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.
Manager NEM Real Time Operations
110690POWER SYSTEM EVENTS03/11/2023 09:19:19 AM
Update - Non-credible contingency event - VIC region - 03/11/2023
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - VIC region - 03/11/2023
Refer AEMO Electricity Market Notice 110687
At 0845 hrs the Mount Beauty No.2 220kV 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 - VIC region - 03/11/2023
Refer AEMO Electricity Market Notice 110687
At 0845 hrs the Mount Beauty No.2 220kV 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
110687POWER SYSTEM EVENTS03/11/2023 04:37:33 AM
Non-credible contingency event - VIC region - 03/11/2023
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - VIC region - 03/11/2023
At 0412 hrs the Mount Beauty No.2 220kV 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.
Manager NEM Real Time Operations
Non-credible contingency event - VIC region - 03/11/2023
At 0412 hrs the Mount Beauty No.2 220kV 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.
Manager NEM Real Time Operations
110349POWER SYSTEM EVENTS21/10/2023 08:40:56 PM
Non-credible contingency event - TAS region - 21/10/2023
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - TAS region - 21/10/2023
At 2029 hrs the Wadamana Tungatina No.1 and No.2 line tripped and auto reclosed.
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 - 21/10/2023
At 2029 hrs the Wadamana Tungatina No.1 and No.2 line tripped and auto reclosed.
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
110341POWER SYSTEM EVENTS21/10/2023 03:40:53 AM
Update - Non-credible contingency event - QLD region - 21/10/2023
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - QLD region - 21/10/2023
Refer AEMO Electricity Market Notice 110340
At 0208 hrs the Ross No 2 275kV 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 - 21/10/2023
Refer AEMO Electricity Market Notice 110340
At 0208 hrs the Ross No 2 275kV 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
110340POWER SYSTEM EVENTS21/10/2023 02:56:51 AM
Update Non-credible contingency event - QLD region - 21/10/2023
AEMO ELECTRICITY MARKET NOTICE.
Update Non-credible contingency event - QLD region - 21/10/2023
Refer to market notice 110339.
At 0133 hrs the Ross No 2 275kV Bus tripped.
AEMO did not instruct load shedding.
AEMO has been advised of disconnection of 218 MW bulk electrical load.
The 132kV network between Clare South and Tully has been disconnected
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
Update Non-credible contingency event - QLD region - 21/10/2023
Refer to market notice 110339.
At 0133 hrs the Ross No 2 275kV Bus tripped.
AEMO did not instruct load shedding.
AEMO has been advised of disconnection of 218 MW bulk electrical load.
The 132kV network between Clare South and Tully has been disconnected
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
110339POWER SYSTEM EVENTS21/10/2023 02:18:43 AM
Non-credible contingency event - QLD region - 21/10/2023
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - QLD region - 21/10/2023
At 0133 hrs the Ross No 2 275kV 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.
Manager NEM Real Time Operations
Non-credible contingency event - QLD region - 21/10/2023
At 0133 hrs the Ross No 2 275kV 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.
Manager NEM Real Time Operations
110331POWER SYSTEM EVENTS19/10/2023 02:47:35 PM
Non-credible contingency event - VIC region - 19/10/2023
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - VIC region - 19/10/2023
At 1437 hrs the Moorabool No.2 500kV 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 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
Non-credible contingency event - VIC region - 19/10/2023
At 1437 hrs the Moorabool No.2 500kV 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 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
110291POWER SYSTEM EVENTS17/10/2023 09:20:16 AM
Update - Non-credible contingency event - SA region - 17/10/2023
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - SA region - 17/10/2023
Refer AEMO Electricity Market Notice 110289
At 0845 hrs the Penola_W Kincraig 132kV line 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 - SA region - 17/10/2023
Refer AEMO Electricity Market Notice 110289
At 0845 hrs the Penola_W Kincraig 132kV line 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