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Update - Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 02/05/2024
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 02/05/2024
The actual LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 116440 has been updated at 1745 hrs 02/05/2024 to the following:
The Actual LOR1 condition is forecast to exist until 1830 hrs
The capacity reserve requirement is 1400 MW
The minimum capacity reserve available is 1146 MW
Manager NEM Real Time Operations
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 02/05/2024
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 02/05/2024
An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1700 hrs.
The Actual LOR1 condition is forecast to exist until 1900 hrs
The capacity reserve requirement is 1400 MW
The minimum capacity reserve available is 888 MW
Manager NEM Real Time Operations
Non-credible contingency event - NSW region - 26/04/2024
Non-credible contingency event - NSW region - 26/04/2024
At 1112 hrs the Griffith to Darlington Point 132kV line (99K) and the Darlington Point BESS disconnected.
AEMO did not instruct load shedding.
AEMO observed 5 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 - QLD region - 24/04/2024
Non-credible contingency event - QLD region - 24/04/2024
At 0855 hrs the Ross - Guybal Munjan 8916 275 kV line tripped at the Guybal Munjan 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.
Manager NEM Real Time Operations
Non-credible contingency event - VIC region - 23/04/2024
Non-credible contingency event - VIC region - 23/04/2024
At 1056 hrs the MOPS 11 Gen TX 2 Bus 500kV CB and the Dundonnell WF 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
Update - Non-credible contingency event - VIC region - 17/04/2024
Update - Non-credible contingency event - VIC region - 17/04/2024
Refer AEMO Electricity Market Notice 116160
At 0610 hrs the Heywood No 2 500 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 - VIC region - 17/04/2024
Non-credible contingency event - VIC region - 17/04/2024
At 0414 hrs the Heywood No 2 500 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 - TAS region - 12/04/2024
Update - Non-credible contingency event - TAS region - 12/04/2024
Refer AEMO Electricity Market Notice 116095
At 1304 hrs the Sheffield - Farrell No.2 220 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
Non-credible contingency event - TAS region - 12/04/2024
Non-credible contingency event - TAS region - 12/04/2024
At 1048 hrs the Sheffield - Farrell No.2 220 kV line tripped during restoration due to fault on the line.
AEMO did not instruct load shedding.
AEMO has been advised of disconnection of major industrial load approximately 550 MW.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations