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Update Direction - AGL SA Generation Pty Limited - TORRB3 TORRENS ISLAN
Update Direction - AGL SA Generation Pty Limited - TORRB3 TORRENS ISLAN
Refer AEMO Electricity Market Notice 118168
The TORRB3 TORRENS ISLAN direction is now expected to stay in place until 0400 hrs 09/09/2024.
The direction update is issued at 1600 hrs 07/09/2024.
Manager NEM Real Time Operations
Update - Non-credible contingency event - VIC region - 06/09/2024
Update - Non-credible contingency event - VIC region - 06/09/2024
Refer AEMO Electricity Market Notice 118166
At 2005 hrs the Loy Yang PS No. 4 500 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
Update Direction - AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN
Update Direction - AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN
Refer AEMO Electricity Market Notice 118156
The TORRB4 TORRENS ISLAN direction is now expected to stay in place until 0400 hrs 08/09/2024.
The direction update is issued at 1600 hrs 06/09/2024.
Manager NEM Real Time Operations
Update Direction - AGL SA Generation Pty Limited - TORRB3 TORRENS ISLAN
Update Direction - AGL SA Generation Pty Limited - TORRB3 TORRENS ISLAN
Refer AEMO Electricity Market Notice 118155
The TORRB3 TORRENS ISLAN direction is now expected to stay in place until 0400 hrs 08/09/2024.
The direction update is issued at 1600 hrs 06/09/2024.
Manager NEM Real Time Operations
NON-CONFORMANCE Region QLD1 Friday, 6 September 2024
NON-CONFORMANCE QLD1 Region Friday, 6 September 2024
AEMO has declared the following units comprising an Aggregate Dispatch Group as non-conforming under clause 3.8.23 of the National Electricity Rules:
Units: WDBESSG1, WDBESSL1
Aggregate Dispatch Group: WDBESS_ADG1
Duration: 06/09/2024 13:45 to 06/09/2024 14:30
Amount: 101 MW
Constraint: NC-Q_WDBESS_ADG1
Auto-generated on behalf of Manager NEM Real Time Operations
Non-credible contingency event - VIC region - 06/09/2024
Non-credible contingency event - VIC region - 06/09/2024
At 1222 hrs the Loy Yang PS No. 4 500 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
Cancellation of a Non-Credible Contingency Event: Farrell-John Butters line and Farrell-Rosebery-Newton-Queenstown line in TAS1 due to Lightning.
Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any lightning activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.
Region: TAS1
Lines: Farrell-John Butters and Farrell-Rosebery-Newton-Queenstown
Cancellation time: 06/09/2024 05:19
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 118163
Auto-generated on behalf of Manager NEM Real Time Operations
Cancellation of a Non-Credible Contingency Event: Farrell - Reece No.1 220 kV line and Farrell - Reece No.2 220 kV line in TAS1 due to Lightning.
Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any lightning activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.
Region: TAS1
Lines: Farrell - Reece No.1 220 kV and Farrell - Reece No.2 220 kV
Cancellation time: 06/09/2024 05:09
Constraint set(s) revoked:
F-T-FARE_N-2 Constraint set contains the following interconnector(s) on the left hand side:
T-V-MNSP1
Refer AEMO Electricity Market Notice 118162
Auto-generated on behalf of Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: Farrell-John Butters line and Farrell-Rosebery-Newton-Queenstown line in TAS1 due to Lightning.
Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.
Region: TAS1
Lines: Farrell-John Butters and Farrell-Rosebery-Newton-Queenstown
Duration: 06/09/2024 04:15 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations