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108414POWER SYSTEM EVENTS08/06/2023 02:56:53 PM
Non-credible contingency event - NSW region - 08/06/2023
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - NSW region - 08/06/2023
At 1433 hrs the Liddell - Tomago 330 kV 82 line and Liddell 330 kV CB 5412 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 - 08/06/2023
At 1433 hrs the Liddell - Tomago 330 kV 82 line and Liddell 330 kV CB 5412 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
108259POWER SYSTEM EVENTS29/05/2023 10:17:37 AM
Non-credible contingency event - Vic region - 29/05/2023
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - Vic region - 29/05/2023
At 0941hrs the Moorabool No1 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 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 - 29/05/2023
At 0941hrs the Moorabool No1 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 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
108172RESERVE NOTICE25/05/2023 08:46:48 PM
Update - PDPASA - Cancellation of the Actual Lack Of Reserve Level 2 (LOR2) in the NSW Region on 25/05/2023
AEMO ELECTRICITY MARKET NOTICE
The Actual LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 108160 is cancelled at 2045 hrs 25/05/2023.
Manager NEM Real Time Operations
The Actual LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 108160 is cancelled at 2045 hrs 25/05/2023.
Manager NEM Real Time Operations
108165RESERVE NOTICE25/05/2023 08:45:53 PM
PDPASA - Cancellation of the Actual Lack Of Reserve Level 2 (LOR2) in the NSW Region on 25/05/2023
AEMO ELECTRICITY MARKET NOTICE
The Actual LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 108160 is cancelled at 2145 hrs 25/05/2023.
Manager NEM Real Time Operations
The Actual LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 108160 is cancelled at 2145 hrs 25/05/2023.
Manager NEM Real Time Operations
108160RESERVE NOTICE25/05/2023 08:19:28 PM
Actual Lack Of Reserve Level 2 (LOR2) in the NSW Region on 25/05/2023
AEMO ELECTRICITY MARKET NOTICE
Actual Lack Of Reserve Level 2 (LOR2) in the NSW region - 25/05/2023
An Actual LOR2 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 2000 hrs.
The Actual LOR2 condition is forecast to exist until 2030 hrs.
The forecast capacity reserve requirement is 851 MW.
The minimum capacity reserve available is 767 MW.
AEMO is seeking an immediate market response.
An insufficient market response may require AEMO to implement an AEMO intervention event.
Manager NEM Real Time Operations
Actual Lack Of Reserve Level 2 (LOR2) in the NSW region - 25/05/2023
An Actual LOR2 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 2000 hrs.
The Actual LOR2 condition is forecast to exist until 2030 hrs.
The forecast capacity reserve requirement is 851 MW.
The minimum capacity reserve available is 767 MW.
AEMO is seeking an immediate market response.
An insufficient market response may require AEMO to implement an AEMO intervention event.
Manager NEM Real Time Operations
108025POWER SYSTEM EVENTS23/05/2023 10:31:42 PM
Non-credible contingency event - Qld region - 23/05/2023
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - Qld region - 23/05/2023
At 2106 hrs the Kamerunga - Woree 7141 132 kV Line and Barron Gorge 1 and 2 generating units tripped. At 2107 hrs the Kamerunga - Barron Gorge 7143 132 kV Line 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 - 23/05/2023
At 2106 hrs the Kamerunga - Woree 7141 132 kV Line and Barron Gorge 1 and 2 generating units tripped. At 2107 hrs the Kamerunga - Barron Gorge 7143 132 kV Line 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
107944POWER SYSTEM EVENTS16/05/2023 10:11:16 PM
Update - Non-credible contingency event - Qld region - 16/05/2023
AEMO ELECTRICITY MARKET NOTICE.
Refer AEMO ELECTRICITY MARKET NOTICE MN107943
At 2142 hrs the H3 Belmont No 2 275 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.
AEMO will not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations
Refer AEMO ELECTRICITY MARKET NOTICE MN107943
At 2142 hrs the H3 Belmont No 2 275 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.
AEMO will not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations
107943POWER SYSTEM EVENTS16/05/2023 07:07:46 PM
Non-credible contingency event - Qld region - 16/05/2023
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - Qld region - 16/05/2023
At 1852 hrs the H3 Belmont 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.
Manager NEM Real Time Operations
Non-credible contingency event - Qld region - 16/05/2023
At 1852 hrs the H3 Belmont 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.
Manager NEM Real Time Operations
107527POWER SYSTEM EVENTS18/04/2023 05:51:48 PM
Update - Non-credible contingency event - NSW region - 07/04/2023
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - NSW region - 07/04/2023
Refer AEMO MN 107349
At 1648 hrs 18/04/2023, the Tamworth SVC 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 - NSW region - 07/04/2023
Refer AEMO MN 107349
At 1648 hrs 18/04/2023, the Tamworth SVC 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