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102435POWER SYSTEM EVENTS21/10/2022 02:25:09 AM
Non-credible contingency event - Qld region - 21/10/2022
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - Qld region - 21/10/2022
At 0040 hrs the Edmonton - Woree 7284 132 kV Line tripped and auto reclosed, the Barron Gorge - Kamerunga 7143 132 kV Line tripped and the Barron Gorge - Kamerunga 7184 132 kV Line tripped
AEMO did not instruct load shedding.
AEMO has been advised of disconnection of bulk electrical load (23 MW)
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 - 21/10/2022
At 0040 hrs the Edmonton - Woree 7284 132 kV Line tripped and auto reclosed, the Barron Gorge - Kamerunga 7143 132 kV Line tripped and the Barron Gorge - Kamerunga 7184 132 kV Line tripped
AEMO did not instruct load shedding.
AEMO has been advised of disconnection of bulk electrical load (23 MW)
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
102303POWER SYSTEM EVENTS16/10/2022 01:20:39 PM
Update - Non-credible contingency event - NSW region - 15/10/2022
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - NSW region - 15/10/2022
Refer AEMO ELECTRICITY MARKET NOTICE MN102292
At 1129 hrs the Manildra - Molong 94P 132 kV 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 - NSW region - 15/10/2022
Refer AEMO ELECTRICITY MARKET NOTICE MN102292
At 1129 hrs the Manildra - Molong 94P 132 kV 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
102292POWER SYSTEM EVENTS15/10/2022 08:09:56 AM
Non-credible contingency event - NSW region - 15/10/2022
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - NSW region - 15/10/2022
At 0644 hrs the Manildra - Molong 94P 132 kV Line tripped at the Molong end only.
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 - 15/10/2022
At 0644 hrs the Manildra - Molong 94P 132 kV Line tripped at the Molong end only.
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
102266POWER SYSTEM EVENTS14/10/2022 12:22:40 PM
Update - Non-credible contingency event - Tas region - 14/10/2022
AEMO ELECTRICITY MARKET NOTICE
Update - Non-credible contingency event - Tas region - 14/10/2022
Refer AEMO ELECTRICITY MARKET NOTICE MN 102213
Basslink has been returned to service.
Liapoota - Palmerston tee Waddamana No. 1 and No. 2 220 kV Lines remain out of service. Refer to the AEMO Network Outage Scheduler for further information.
The following constraint sets are currently invoked for this outage.
F-TAS_NTH_STH_ISLE
T-LIPM_PMWA_N-3
T-WIND_100
I-TV_150
I-VT_050
The constraint sets contain the following interconnector on the left hand side.
T-V-MNSP1
AEMO may vary these constraints to manage the technical envelope.
Manager NEM Real Time Operations
Update - Non-credible contingency event - Tas region - 14/10/2022
Refer AEMO ELECTRICITY MARKET NOTICE MN 102213
Basslink has been returned to service.
Liapoota - Palmerston tee Waddamana No. 1 and No. 2 220 kV Lines remain out of service. Refer to the AEMO Network Outage Scheduler for further information.
The following constraint sets are currently invoked for this outage.
F-TAS_NTH_STH_ISLE
T-LIPM_PMWA_N-3
T-WIND_100
I-TV_150
I-VT_050
The constraint sets contain the following interconnector on the left hand side.
T-V-MNSP1
AEMO may vary these constraints to manage the technical envelope.
Manager NEM Real Time Operations
102213POWER SYSTEM EVENTS14/10/2022 09:42:48 AM
Non-credible contingency event - Tas region - 14/10/2022
AEMO ELECTRICITY MARKET NOTICE
Non-credible contingency event - Tas region - 14/10/2022
At 0919 hrs the following plant tripped.
Liapoota - Palmerston tee Waddamana No. 1 and No. 2 220 kV Lines
Basslink
AEMO did not instruct load shedding.
Approximately 530 MW of electrical load lost.
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 - 14/10/2022
At 0919 hrs the following plant tripped.
Liapoota - Palmerston tee Waddamana No. 1 and No. 2 220 kV Lines
Basslink
AEMO did not instruct load shedding.
Approximately 530 MW of electrical load lost.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
102079POWER SYSTEM EVENTS05/10/2022 04:57:14 PM
Non-credible contingency event - NSW region - 05/10/2022
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - NSW region - 05/10/2022
At 1548 hrs at New England Solar Farm, 330 kV / 33 kV Transformer 1 and 2 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 - 05/10/2022
At 1548 hrs at New England Solar Farm, 330 kV / 33 kV Transformer 1 and 2 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
101476POWER SYSTEM EVENTS04/09/2022 05:19:54 PM
Update - Non-credible contingency event - NSW region - 04/09/2022
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - NSW region - 04/09/2022
Refer AEMO ELECTRICITY MARKET NOTICE MN101475
At 1701 hrs the Uralla 330 kV B busbar and 330 kV CB 5012 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 - 04/09/2022
Refer AEMO ELECTRICITY MARKET NOTICE MN101475
At 1701 hrs the Uralla 330 kV B busbar and 330 kV CB 5012 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
101475POWER SYSTEM EVENTS04/09/2022 03:14:38 PM
Non-credible contingency event - NSW region - 04/09/2022
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - NSW region - 04/09/2022
At 1454 hrs the Uralla 330 kV B busbar and 330 kV CB 5012 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 - 04/09/2022
At 1454 hrs the Uralla 330 kV B busbar and 330 kV CB 5012 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
101401POWER SYSTEM EVENTS29/08/2022 01:19:30 PM
Non-credible contingency event - NSW region - 29/08/2022
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - NSW region - 29/08/2022
At 1259 hrs the Armidale to Dumaresq 8C 330kV Line tripped at the Armidale end only.
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 - NSW region - 29/08/2022
At 1259 hrs the Armidale to Dumaresq 8C 330kV Line tripped at the Armidale end only.
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