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Inter-Regional Transfer limit variation - Directlink control unavailable (NSW Region)
Inter-Regional Transfer limit variation - Directlink control unavailable (NSW Region)
AEMO has been notified that the controls to vary Directlink output are unavailable until further notice.
Constraint set I-CTRL_ISSUE_TE invoked from 1640 hrs.
The constraint set contains equations with the following interconnector on the LHS:
N-Q-MNSP1
Manager NEM Real Time Operations
Cancellation Inter-Regional Transfer limit variation - Directlink control unavailable (NSW Region).
Cancellation Inter-Regional Transfer limit variation - Directlink control unavailable (NSW Region).
Refer AEMO Electricity Market Notice 117368
AEMO has been notified that the controls to vary Directlink output are now available.
Constraint set I-CTRL_ISSUE_TE revoked at 1620 hrs.
Manager NEM Real Time Operations
Inter-Regional Transfer limit variation - Directlink control unavailable (NSW Region)
Inter-Regional Transfer limit variation - Directlink control unavailable (NSW Region)
AEMO has been notified that the controls to vary Directlink output are unavailable until further notice.
Constraint set I-CTRL_ISSUE_TE invoked from 1530 hrs.
The constraint set contains equations with the following interconnector on the LHS:
N-Q-MNSP1
Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: Brinkworth-Davenport, Brinkworth-Templers West and Para-Templers West 275kV lines in SA due to severe weather warning.
Reclassification of a non-credible contingency event as a credible contingency event due to severe weather warning.
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: SA
Lines: Brinkworth-Davenport, Brinkworth-Templers West and Para-Templers West 275kV lines
Duration: 18/07/2024 17:30 until further notice
Constraint set(s) invoked: Nil
Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: Para-Templers West and Magill-Torrens Island A 275kV lines in SA due to severe weather warning.
Reclassification of a non-credible contingency event as a credible contingency event due to severe weather warning.
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: SA
Lines: Para-Templers West and Magill-Torrens Island A 275kV lines
Duration: 18/07/2024 11:30 until further notice
Constraint set(s) invoked: Nil
Manager NEM Real Time Operations
Inter-regional transfer limit variation -Tungkillo-Tailem_Bnd 1 275kV LINE - SA region - 16/07/2024
Inter-regional transfer limit variation - Tungkillo-Tailem_Bnd 1 275kV LINE - SA region - 16/07/2024
A planned outage of Tungkillo-Tailem_Bnd 1 275kV LINE in the SA region was scheduled from 0845 hrs 16/07/2024 to 1630 hrs 16/07/2024.
The outage has been completed and Tungkillo-Tailem_Bnd 1 275kV LINE returned to service at 1255 hrs 16/07/2024
Constraint set(s) revoked: S-TBTU
Manager NEM Real Time Operations
NON-CONFORMANCE Region QLD1 Sunday, 14 July 2024
NON-CONFORMANCE QLD1 Region Sunday, 14 July 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: MPP_2
Duration: 14/07/2024 16:35 to 14/07/2024 16:50
Amount: -66 MW
Constraint: NC-Q_MPP_2
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE Region VIC1 Sunday, 14 July 2024
NON-CONFORMANCE VIC1 Region Sunday, 14 July 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: YWPS1
Duration: 14/07/2024 01:40 to 14/07/2024 01:45
Amount: -35 MW
Constraint: NC-V_YWPS1
Auto-generated on behalf of Manager NEM Real Time Operations
Cancellation of a Non-Credible Contingency Event: Bannaby - Mt Piper 5A6 500kV line and Bannaby - Mt Piper 5A7 500kV line in NSW1 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: NSW1
Lines: Bannaby - Mt Piper 5A6 500kV and Bannaby - Mt Piper 5A7 500kV
Cancellation time: 13/07/2024 16:44
Constraint set(s) revoked:
N-5A6+5A7_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
VIC1-NSW1
Refer AEMO Electricity Market Notice 117340
Auto-generated on behalf of Manager NEM Real Time Operations