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Inter-regional transfer limit variation - Moorabool - Sydenham No.1 500 kV line - VIC region - 30/10/2024
Inter-regional transfer limit variation - Moorabool - Sydenham No.1 500 kV line - VIC region - 30/10/2024
A planned outage of Moorabool - Sydenham No.1 500 kV line in the VIC region was scheduled from 0500 hrs 22/10/2024 to 1930 hrs 01/11/2024.
The outage has been completed and Moorabool - Sydenham No.1 500 kV line returned to service at 1815 hrs 30/10/2024
Constraint set revoked: V-MLSY_NOEMTT_R
Manager NEM Real Time Operations
Cancellation of the reclassification of a Non-Credible contingency event: Rowville - Yallourn No. 7 220 kV Line and the Rowville - Yallourn No. 8 220 kV Line in VIC due to Lightning.
Cancellation of the 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: VIC
Lines: Rowville - Yallourn No. 7 220 kV Line and the Rowville - Yallourn No. 8 220 kV Line
Cancellation time: 12:20 hrs 30/10/2024
Constraint set(s) revoked:
V-ROYP78_R_N-2
Refer AEMO Electricity Market Notice 119030
Manager NEM Real Time Operations
PDPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region on 29/10/2024
The Forecast LOR1 condition in the QLD region advised in AEMO Electricity Market Notice No. 119607 is cancelled at 1230 hrs 29/10/2024
Manager NEM Real Time Operations
Cancellation - Inter-regional transfer limit variation - constraint automation to manage Power System Security in SA region - 29/10/2024
Refer AEMO Electricity Market Notice 119610
Constraint set CA_SYDS_5632AA58 was invoked from 0940 hrs until 10:45 hrs 29/10/2024.
This constraint set contains equations with the following interconnector on the LHS;
V-SA
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 SA region - 29/10/2024
In order to maintain the power system in a secure operating state in the SA region, AEMO has invoked automated constraint set CA_SYDS_5632AA58 from 0940 hrs until further notice.
This constraint set contains equations with the following interconnector on the LHS;
V-SA
Refer to AEMO Network Outage Scheduler (NOS) for further information.
Manager NEM Real Time Operations
PDPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region on 29/10/2024
The Forecast LOR1 condition in the QLD region advised in AEMO Electricity Market Notice No. 119597 has been updated at 0745 hrs to the following:
[1.] From 1800 hrs 29/10/2024 to 1900 hrs 29/10/2024.
The forecast capacity reserve requirement is 1037 MW.
The minimum capacity reserve available is 947 MW.
Manager NEM Real Time Operations
PDPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region on 28/10/2024
The Forecast LOR1 condition in the QLD region advised in AEMO Electricity Market Notice No. 119569 is cancelled at 1800 hrs 28/10/2024
Manager NEM Real Time Operations
PDPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region on 29/10/2024
The Forecast LOR1 condition in the QLD region advised in AEMO Electricity Market Notice No. 119565 has been updated at 1550 hrs to the following:
[1.] From 1800 hrs 29/10/2024 to 1930 hrs 29/10/2024.
The forecast capacity reserve requirement is 1036 MW.
The minimum capacity reserve available is 721 MW.
Manager NEM Real Time Operations
Cancellation of a Non-Credible Contingency Event: Armidale - Dumaresq 8C 330kV line and Armidale - Sapphire WF 8E 330kV 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: Armidale - Dumaresq 8C 330kV and Armidale - Sapphire WF 8E 330kV
Cancellation time: 28/10/2024 15:39
Constraint set(s) revoked:
N-ARDM_ARSR_1PH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
Refer AEMO Electricity Market Notice 119561
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