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NON-CONFORMANCE Region QLD1 Wednesday, 20 March 2024
NON-CONFORMANCE QLD1 Region Wednesday, 20 March 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: WANDBG1, WANDBL1
Aggregate Dispatch Group: WANDBESS_ADG1
Duration: 20/03/2024 18:30 to 20/03/2024 19:25
Amount: -42 MW
Constraint: NC-Q_WANDBESS_ADG1
Auto-generated on behalf of Manager NEM Real Time Operations
Inter-regional transfer limit variation - Palmerston - Hadspen No2 220 kV Line - TAS region - 20/03/2024
Inter-regional transfer limit variation - Palmerston - Hadspen No2 220 kV Line - TAS region - 20/03/2024
At 1830 hrs 20/03/2024 there will be a short notice outage of Palmerston - Hadspen No2 220 kV Line.
The following constraint set invoked at 1830 hrs 20/03/2024
T-HAPM_220
This constraint set contains equations with the following interconnectors on the LHS.
T-V-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Update - Direction - SA Region - 18/03/2024
Update - Direction - SA Region - 18/03/2024
Refer Market Notice 115688
The AEMO intervention event that commenced from interval ending 1605 hrs on 18/03/2024 is continuing.
AEMO may issue or revoke additional directions in order to meet the current requirement, unless sufficient market response is provided. A further market notice will be issued when all directions related to this requirement have been cancelled.
Manager NEM Real Time Operations
CHG0085822 | Completed | Pre-Production | Pre-Prod MSATS Lifecycle Maintenance
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: MSATS - Consumer Administration and Transfer Solution(CATS)
Change Title: Pre-Prod MSATS Lifecycle Maintenance
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
Cancellation of a Non-Credible Contingency Event: Eildon PS - Mt Beauty No.1 220 kV line and Eildon PS - Mt Beauty No.2 220 kV line in VIC1 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: VIC1
Lines: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV
Cancellation time: 19/03/2024 20:39
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 115707
Auto-generated on behalf of Manager NEM Real Time Operations
Cancellation of Reclassification of a Non-Credible Contingency Event: Tully - Cardwell No.7389 132 kV Line and Ross - Woree No. 8905 275 kV Line
Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. Accordingly its classification has reverted to a non-credible contingency event.
Region: QLD1
Lines: Tully - Cardwell No.7389 132 kV Line and Ross - Woree No. 8905 275 kV Line
Cancellation time: 19/03/2024 20:00
Constraint set(s) revoked: Nil
Refer AEMO Electricity Market Notice 115713
Manager NEM Real Time Operations
Update - Reclassification of a Non-Credible Contingency Event: Tully - Cardwell No.7389 132 kV line and Ross - Woree No. 8905 275 kV line
Update - Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning.
Refer AEMO Electricity Market Notice 115711
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: QLD1
Lines: Tully - Cardwell No.7389 132 kV line and Ross - Woree No. 8905 275 kV line
Duration: 19/03/2024 16:51 until further notice
Constraint set(s) invoked: NONE
Manager NEM Real Time Operations
Cancellation of a Non-Credible Contingency Event: Palmerston - Hadspen 3 & 4 110kV line and 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: Palmerston - Hadspen 3 & 4 110kV and
Cancellation time: 19/03/2024 17:19
Constraint set(s) revoked:
T-HAPM_110_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE
Refer AEMO Electricity Market Notice 115710
Auto-generated on behalf of Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: line and line in 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:
Lines: and
Duration: 19/03/2024 16:51 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations