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Reclassification of a Non-Credible Contingency Event: Farrell-John Butters line and Farrell-Rosebery-Newton-Queenstown line in TAS1 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: TAS1
Lines: Farrell-John Butters and Farrell-Rosebery-Newton-Queenstown
Duration: 11/06/2024 13:16 until further notice
Constraint set(s) invoked:
NONE
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PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 12/06/2024
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the SA region for the following Period:
[1.] From 0830 hrs 12/06/2024 to 0900 hrs 12/06/2024.
The forecast capacity reserve requirement is 421 MW.
The minimum capacity reserve available is 393 MW.
[2.] From 0930 hrs 12/06/2024 to 1000 hrs 12/06/2024.
The forecast capacity reserve requirement is 419 MW.
The minimum capacity reserve available is 407 MW.
Manager NEM Real Time Operations
STPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 17/06/2024
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following period:
[1.] From 1700 hrs 17/06/2024 to 2100 hrs 17/06/2024.
The forecast capacity reserve requirement is 1780 MW.
The minimum capacity reserve available is 1530 MW.
Manager NEM Real Time Operations
STPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 13/06/2024
The Forecast LOR1 condition in the SA region advised in AEMO Electricity Market Notice No. 116905 is cancelled at 1400 hrs 07/06/2024.
No LOR condition is currently forecast in the STPASA period.
AEMO Operations
Inter-Regional Transfer limit variation - Outage Cancelled - Planned outage of Moorabool - Mortlake No.2 500 kV Line in Vic region on 7 June 2024.
The Moorabool - Mortlake No.2 500kV Line in Victoria (VIC) region was planned to be on an outage on 07/06/2024. This outage has been withdrawn by the TNSP.
Constraint sets associated with this outage have been revoked.
I-VS+LKB_050, I-VS_050, V-MLMO
These constraint sets contains equations with the following interconnectors on the LHS.
V-SA, VIC1-NSW1, T-V-MNSP1, V-S-MNSP1
Refer to the AEMO Network Outage Scheduler (NOS) for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Heywood - Tarrone No.1 500kV line - VIC region - 07/06/2024
Inter-regional transfer limit variation - Heywood - Tarrone No.1 500kV line - VIC region - 07/06/2024
At 0406 hrs 07/06/2024 there was an unplanned outage of Heywood - Tarrone No.1 500kV line
The following constraint set(s) invoked at 0415 hrs 07/06/2024
V-HYTR
This constraint set(s) contains equations with the following interconnectors on the LHS.
NSW1-QLD1, T-V-MNSP1, V-S-MNSP1, V-SA, VIC1-NSW1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
STPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 13/06/2024
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the SA region for the following period:
From 1730 hrs to 2100 hrs 13/06/2024.
The forecast capacity reserve requirement is 439 MW.
The minimum capacity reserve available is 382 MW.
AEMO Operations
Inter-Regional Transfer limit variation - Directlink - NSW Region
Inter-Regional Transfer limit variation - Directlink - NSW Region
There has been an unplanned outage of the No 1 Leg of Directlink, with the No.2 Leg of Directlink previously out-of-service.
The following constraint set was invoked at 1425 hrs 06/06/2024
N-X_MBTE_2
The constraint set contains the following interconnector on the left hand side.
N-Q-MNSP1
Refer AEMO Network Outage Scheduler (NOS) for further details.
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: 06/06/2024 13:34
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 116902
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