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Update - Non-credible contingency event - NSW region - 31/10/2024
Update - Non-credible contingency event - NSW region - 31/10/2024
Refer AEMO Electricity Market Notice 119689
At 0345 hrs the Wagga B 330 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 - NSW region - 31/10/2024
Non-credible contingency event - NSW region - 31/10/2024
At 0028 hrs the Wagga B 330 kV bus tripped which offloaded the Wagga - Walla Walla SF 6Y 330 kV line and Wagga No.3 transformer.
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
NON-CONFORMANCE Region SA1 Monday, 28 October 2024
NON-CONFORMANCE SA1 Region Monday, 28 October 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: TB2BG1, TB2BL1
Aggregate Dispatch Group: TB2HYB_ADG1
Duration: 28/10/2024 12:05 to 28/10/2024 12:55
Amount: 39 MW
Constraint: NC-S_TB2HYB_ADG1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE Region NSW1 Sunday, 27 October 2024
NON-CONFORMANCE NSW1 Region Sunday, 27 October 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: BW04
Duration: 27/10/2024 15:35 to 27/10/2024 15:40
Amount: -78 MW
Constraint: NC-N_BW04
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE Region VIC1 Saturday, 26 October 2024
NON-CONFORMANCE VIC1 Region Saturday, 26 October 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: GANNB1
Duration: 26/10/2024 19:15 to 26/10/2024 19:25
Amount: -25 MW
Constraint: NC-V_GANNB1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE Region NSW1 Friday, 25 October 2024
NON-CONFORMANCE NSW1 Region Friday, 25 October 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: WTAHB1
Duration: 25/10/2024 08:30 to 25/10/2024 09:15
Amount: -9 MW
Constraint: NC-N_WTAHB1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE Region SA1 Wednesday, 23 October 2024
NON-CONFORMANCE SA1 Region Wednesday, 23 October 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: DALNTH1
Duration: 23/10/2024 12:15 to 23/10/2024 12:25
Amount: 14 MW
Constraint: NC-S_DALNTH1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE Region QLD1 Tuesday, 22 October 2024
NON-CONFORMANCE QLD1 Region Tuesday, 22 October 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: YABULU2
Duration: 22/10/2024 16:55 to 22/10/2024 17:05
Amount: -20 MW
Constraint: NC-Q_YABULU2
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE Region NSW1 Tuesday, 22 October 2024
NON-CONFORMANCE NSW1 Region Tuesday, 22 October 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: RIVNB2
Duration: 22/10/2024 15:00 to 22/10/2024 15:05
Amount: 18 MW
Constraint: NC-N_RIVNB2
Auto-generated on behalf of Manager NEM Real Time Operations