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Cancellation: Protected event advice - South Australia region.
AEMO has identified that the conditions of the following protected event are no longer met.
Protected event: the loss of multiple transmission elements causing generation disconnection in the South Australia region during periods where destructive wind conditions are forecast by the Bureau of Meteorology.
Cancellation: 07/06/2023 2100hrs
Constraint set revoked: I-VS_250
Refer AEMO Electricity Market Notice 108385
Manager NEM Real Time Operations
Protected event advice - South Australia region.
AEMO has identified that the conditions of the following protected event will be met from the time specified in this notice.
Protected event: the loss of multiple transmission elements causing generation disconnection in the South Australia region during periods where destructive wind conditions are forecast by the Bureau of Meteorology.
Duration: 07/06/2023 1230 hrs until further notice
AEMO will take action to manage the power system for the impact of the protected event.
Constraint set invoked: I-VS_250
Manager NEM Real Time Operations
Non-credible contingency event - Vic region - 29/05/2023
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 - Qld region - 23/05/2023
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
Update - Non-credible contingency event - Qld region - 16/05/2023
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
Non-credible contingency event - Qld region - 16/05/2023
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
[EventId:202304221620_confirmed] Prices for interval 22-Apr-2023 16:20 are now confirmed
Issued by Australian Energy Market Operator Ltd at 1451 hrs on 24 April 2023
PRICES ARE NOW CONFIRMED for trading interval 22-Apr-2023 16:20.
In accordance with Market Notice
Changed Prices ($/MWh)
TYPE
Region Original Adjusted
Price Price
ENERGY
SA1 $92.11 $45.06
VIC1 $94.42 $44.94
LOWER5MIN
VIC1 $0.39 $2.38
LOWER60SEC
VIC1 $0.38 $4.24
LOWER6SEC
VIC1 $0.38 $0.53
LOWERREG
VIC1 $25.13 $13.67
RAISE5MIN
VIC1 $0.39 $0.37
RAISE60SEC
VIC1 $2.25 $1.00
RAISE6SEC
VIC1 $2.96 $1.28
RAISEREG
VIC1 $60.00 $33.61
This is an AEMO autogenerated Market Notice.
Update - Non-credible contingency event - NSW region - 07/04/2023
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
Non-credible contingency event - NSW region - 07/04/2023
Non-credible contingency event - NSW region - 07/04/2023
At 2257 hrs the Liddell - Tomago 82 330 kV line and the Tamworth SVC 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