Filter by category
Filter by Date
Non-credible contingency event - NSW Region - 1 Jul 2017
Non-credible contingency event - NSW Region - 1 Jul 2017
At 0602 hrs the Uranquinty to Wagga (9R1) 132kV Line opened automatically at Uranquinty end only
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 - NSW region - Sunday, 11 June 2017
Update - Non-credible contingency event - NSW region - Sunday, 11 June 2017
At 0544 hrs the Glen Innes to Tenterfield (96R) 132kV Line opened automatically at Glen Innes end only.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
AEMO has received further information on this event. AEMO has identified that this event did not meet the definition of a non-credible contingency, it is not considered to be a non -credible contingency.
AEMO will not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations
Non-credible contingency event - NSW region -11 Jun 2017
Non-credible contingency event - NSW region -11 Jun 2017
At 0544 hrs the Glen Innes to Tenterfield (96R) 132kV Line opened automatically at Glen Innes end only
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 - 6/06/17
Non-credible contingency event - Vic region - 6/06/17
At 1142 hrs the Brunswick No. 2 220 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
Update - Non-credible contingency event - NSW region -03/06/2017
Refer AEMO Electricity Market Notice 58684
Update -Non-credible contingency event - NSW region -03/06/2017
At 2010 hrs the Gen 330 kV Busbars at Vales Point Power Station tripped.
AEMO has been advised of disconnection of bulk electrical load 10 MW in NSW region.
Manager NEM Real Time Operations
Update - Non-credible contingency event - NSW region - 3 June 2017
Update - Non-credible contingency event - NSW region - 3 June 2017
Update to Market Notice 58684.
At 2029 hrs the Vales Point 330kV Gen Busbar 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 -03/06/2017
Non-credible contingency event - NSW region -03/06/2017
At 2010 hrs the Gen 330 kV Busbars at Vales Point Power Station tripped.
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 - - Victoria region - Wednesday, 31 May 2017
Update - Non-credible contingency event - - Victoria region - Wednesday, 31 May 2017
Refer AEMO Electricity Market Notice 58658.
At 1202 hrs the No1 and No3 500 kV Busbars at Loy Yang Power Station have been 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 - Victoria region - Wednesday, 31 May 2017
Update -Non-credible contingency event - Victoria region - Wednesday, 31 May 2017
Refer AEMO Electricity Market Notice 58657
At 1116 hrs the No1 and No3 500 kV Busbars at Loy Yang Power Station tripped. 1010 MW of generation tripped.
AEMO has been advised of disconnection of bulk electrical load 33 MW in the Tasmania region.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations