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112859INTER-REGIONAL TRANSFER29/12/2023 01:58:35 AM
Inter-regional transfer limit variation - Para No.1 275 kV SVC - SA region - 29/12/2023
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation -Para No.1 275 kV SV - SA region - 29/12/2023
At 0145 hrs 29/12/2023 there was a short notice outage of Para No.1 275 kV SVC.
The following constraint set(s) invoked at 0145 hrs 29/12/2023
S-PA_VC1
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-SA,V-S-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation -Para No.1 275 kV SV - SA region - 29/12/2023
At 0145 hrs 29/12/2023 there was a short notice outage of Para No.1 275 kV SVC.
The following constraint set(s) invoked at 0145 hrs 29/12/2023
S-PA_VC1
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-SA,V-S-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
112858INTER-REGIONAL TRANSFER28/12/2023 09:43:00 PM
Inter-regional transfer limit variation - Blyth West - Munno Para 275 kV line - SA region - 28/12/2023
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Blyth West - Munno Para 275 kV line - SA region - 28/12/2023
At 2115 hrs 28/12/2023 there was an unplanned outage of the Blyth West - Munno Para 275 kV line.
The following constraint set(s) invoked at 2125 hrs 28/12/2023
S-BWMP
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-S-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Blyth West - Munno Para 275 kV line - SA region - 28/12/2023
At 2115 hrs 28/12/2023 there was an unplanned outage of the Blyth West - Munno Para 275 kV line.
The following constraint set(s) invoked at 2125 hrs 28/12/2023
S-BWMP
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-S-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
112857RECLASSIFY CONTINGENCY28/12/2023 08:49:30 PM
Cancellation of a Non-Credible Contingency Event: Tumoulin - Woree No.877 275 kV line and Chalumbin - Turkinje No.7166 132 kV line in QLD1 due to Lightning.
AEMO ELECTRICITY MARKET NOTICE
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: QLD1
Lines: Tumoulin - Woree No.877 275 kV and Chalumbin - Turkinje No.7166 132 kV
Cancellation time: 28/12/2023 20:49
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 112849
Auto-generated on behalf of Manager NEM Real Time Operations
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: QLD1
Lines: Tumoulin - Woree No.877 275 kV and Chalumbin - Turkinje No.7166 132 kV
Cancellation time: 28/12/2023 20:49
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 112849
Auto-generated on behalf of Manager NEM Real Time Operations
112856RECLASSIFY CONTINGENCY28/12/2023 08:49:30 PM
Cancellation of a Non-Credible Contingency Event: Chalumbin - Turkinje No.7165 132 kV line and Chalumbin - Turkinje No.7166 132 kV line in QLD1 due to Lightning.
AEMO ELECTRICITY MARKET NOTICE
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: QLD1
Lines: Chalumbin - Turkinje No.7165 132 kV and Chalumbin - Turkinje No.7166 132 kV
Cancellation time: 28/12/2023 20:49
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 112850
Auto-generated on behalf of Manager NEM Real Time Operations
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: QLD1
Lines: Chalumbin - Turkinje No.7165 132 kV and Chalumbin - Turkinje No.7166 132 kV
Cancellation time: 28/12/2023 20:49
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 112850
Auto-generated on behalf of Manager NEM Real Time Operations
112855RECLASSIFY CONTINGENCY28/12/2023 07:49:30 PM
Cancellation of a Non-Credible Contingency Event: Ross - Chalumbin No.857 275 kV line and Ross - Chalumbin No.858 275 kV line in QLD1 due to Lightning.
AEMO ELECTRICITY MARKET NOTICE
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: QLD1
Lines: Ross - Chalumbin No.857 275 kV and Ross - Chalumbin No.858 275 kV
Cancellation time: 28/12/2023 19:49
Constraint set(s) revoked:
Q-RSCH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE
Refer AEMO Electricity Market Notice 112840
Auto-generated on behalf of Manager NEM Real Time Operations
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: QLD1
Lines: Ross - Chalumbin No.857 275 kV and Ross - Chalumbin No.858 275 kV
Cancellation time: 28/12/2023 19:49
Constraint set(s) revoked:
Q-RSCH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE
Refer AEMO Electricity Market Notice 112840
Auto-generated on behalf of Manager NEM Real Time Operations
112854INTER-REGIONAL TRANSFER28/12/2023 07:32:53 PM
Inter-regional transfer limit variation - Hummocks - Waterloo 132 kV line - SA region - 28/12/2023
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Hummocks - Waterloo 132 kV line - SA region - 28/12/2023
At 1913 hrs 28/12/2023 there was an unplanned outage of the Hummocks - Waterloo 132 kV line.
The following constraint set(s) invoked at 1925 hrs 28/12/2023
S-HUWT
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-S-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Hummocks - Waterloo 132 kV line - SA region - 28/12/2023
At 1913 hrs 28/12/2023 there was an unplanned outage of the Hummocks - Waterloo 132 kV line.
The following constraint set(s) invoked at 1925 hrs 28/12/2023
S-HUWT
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-S-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
112853INTER-REGIONAL TRANSFER28/12/2023 07:07:21 PM
Cancellation - Inter-regional transfer limit variation - constraint automation to manage Power System Security in QLD region - 28/12/2023
AEMO ELECTRICITY MARKET NOTICE
Cancellation - Inter-regional transfer limit variation - constraint automation to manage Power System Security in QLD region - 28/12/2023
Refer AEMO Electricity Market Notice 112852.
Constraint set CA_SYDS_549FBEF5 revoked 1850 hrs.
This 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 - constraint automation to manage Power System Security in QLD region - 28/12/2023
Refer AEMO Electricity Market Notice 112852.
Constraint set CA_SYDS_549FBEF5 revoked 1850 hrs.
This constraint set contains equations with the following interconnector on the LHS;
N-Q-MNSP1
Manager NEM Real Time Operations
112852INTER-REGIONAL TRANSFER28/12/2023 06:44:09 PM
Inter-regional transfer limit variation - constraint automation to manage Power System Security in QLD region - 28/12/2023
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - constraint automation to manage Power System Security in QLD region - 28/12/2023
In order to maintain the power system in a secure operating state in the QLD region, AEMO has invoked automated constraint set CA_SYDS_549FBEF5 from 1830 hrs until further notice.
This constraint set contains equations with the following interconnector on the LHS;
N-Q-MNSP1
Refer to AEMO Network Outage Scheduler (NOS) for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - constraint automation to manage Power System Security in QLD region - 28/12/2023
In order to maintain the power system in a secure operating state in the QLD region, AEMO has invoked automated constraint set CA_SYDS_549FBEF5 from 1830 hrs until further notice.
This constraint set contains equations with the following interconnector on the LHS;
N-Q-MNSP1
Refer to AEMO Network Outage Scheduler (NOS) for further information.
Manager NEM Real Time Operations
112851RECLASSIFY CONTINGENCY28/12/2023 06:34:33 PM
Cancellation of a Non-Credible Contingency Event: Collinsville North - Proserpine No.7125 132 kV line and Collinsville North - Proserpine No.7126 132 kV line in QLD1 due to Lightning.
AEMO ELECTRICITY MARKET NOTICE
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: QLD1
Lines: Collinsville North - Proserpine No.7125 132 kV and Collinsville North - Proserpine No.7126 132 kV
Cancellation time: 28/12/2023 18:34
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 112848
Auto-generated on behalf of Manager NEM Real Time Operations
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: QLD1
Lines: Collinsville North - Proserpine No.7125 132 kV and Collinsville North - Proserpine No.7126 132 kV
Cancellation time: 28/12/2023 18:34
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 112848
Auto-generated on behalf of Manager NEM Real Time Operations