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Update - Non-credible contingency event - TAS region - 25/08/2024
Update - Non-credible contingency event - TAS region - 25/08/2024
Refer AEMO Electricity Market Notice 117782
At 1023 hrs the New Norfolk A 110kV 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 - TAS region - 25/08/2024
Non-credible contingency event - TAS region - 25/08/2024
At 0850 hrs the New Norfolk A 110kV 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
Inter-regional transfer limit variation -Redcliffs No 2 220 kV Bus - VIC region - 25/08/2024
Inter-regional transfer limit variation -Redcliffs No 2 220 kV Bus - VIC region - 25/08/2024
A planned outage of Redcliffs No 2 220 kV Bus in the VIC region was scheduled from 0630 hrs 25/08/2024 to 1730 hrs 25/08/2024.
The outage has been cancelled at 0805 hrs.
The following constraint set(s) were invoked
Constraint Sets: V-KMRC, V-RCTS220CAPAUTO
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-S-MNSP1,T-V-MNSP1,V-SA,VIC1-NSW1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
NON-CONFORMANCE Region NSW1 Saturday, 24 August 2024
NON-CONFORMANCE NSW1 Region Saturday, 24 August 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: WYASF1
Duration: 24/08/2024 11:10 to 24/08/2024 11:20
Amount: 43 MW
Constraint: NC-N_WYASF1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE Region NSW1 Friday, 23 August 2024
NON-CONFORMANCE NSW1 Region Friday, 23 August 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: CAPBES1G, CAPBES1L
Aggregate Dispatch Group: CBESS_ADG1
Duration: 23/08/2024 04:35 to 23/08/2024 05:00
Amount: 13 MW
Constraint: NC-N_CBESS_ADG1
Auto-generated on behalf of Manager NEM Real Time Operations
Inter-regional transfer limit variation - Dumaresq SVC - NSW region - 22/08/2024
Inter-regional transfer limit variation - Dumaresq SVC - NSW region - 22/08/2024
At 2238 hrs 22/08/2024 there was an unplanned of Dumaresq SVC
Constraint set(s) invoked: N-DM_SVC
The following constraint set(s) invoked at 2250 hrs 22/08/2024
N-DM_SVC
This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1,NSW1-QLD1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
NON-CONFORMANCE Region QLD1 Wednesday, 21 August 2024
NON-CONFORMANCE QLD1 Region Wednesday, 21 August 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: MPP_2
Duration: 21/08/2024 21:50 to 21/08/2024 22:00
Amount: 10 MW
Constraint: NC-Q_MPP_2
Auto-generated on behalf of Manager NEM Real Time Operations
Inter-regional transfer limit variation - Kerang to Wemen 220kV line - VIC region - 20/08/2024
Inter-regional transfer limit variation - Kerang to Wemen 220kV line - VIC region - 20/08/2024
A planned outage of Kerang to Wemen 220kV line in the VIC region was scheduled from 0600 hrs 20/08/2024 to 1930 hrs 20/08/2024.
The outage has been completed and Kerang to Wemen 220kV line returned to service at 0925 hrs 20/08/2024
Constraint set revoked: V-KGWT
Manager NEM Real Time Operations
Inter-Regional Transfer limit variation - Murraylink
Inter-Regional Transfer limit variation - Murraylink
There has been an unplanned outage of the Murraylink interconnector.
The following constraint set was invoked at 2155 hrs 19/08/2024
I-MURRAYLINK
The constraint set contains the following interconnector on the left hand side.
V-S-MNSP1,VIC1-NSW1
Refer to AEMO Network Outage Scheduler (NOS) for further details.
Manager NEM Real Time Operations