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Cancellation- Inter-regional transfer limit variation - constraint automation to manage Power System Security in NSW region - 11/06/2025
Cancellation- Inter-regional transfer limit variation - constraint automation to manage Power System Security in NSW region - 11/06/2025
Refer AEMO Electricity Market Notice 127501
In order to maintain the power system in a secure operating state in the NSW region, AEMO invoked automated constraint set CA_SYDS_575BC182 from 1755 hrs until 1810 hrs.
This constraint set contains equations with the following interconnector on the LHS;
N-Q-MNSP1
Manager NEM Real Time Operations
Inter-regional transfer limit variation - constraint automation to manage Power System Security in NSW region - 11/06/2025
In order to maintain the power system in a secure operating state in the NSW region, AEMO has invoked automated constraint set CA_SYDS_575BC182 from 1755 hrs until further notice.
This constraint set contains equations with the following interconnector on the LHS;
N-Q-MNSP1
Manager NEM Real Time Operations
PDPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 12/06/2025
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 127494 is cancelled at 1700 hrs 11/06/2025.
Manager NEM Real Time Operations
PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region on 11/06/2025
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the QLD region for the following Period:
[1.] From 1700 hrs 11/06/2025 to 1930 hrs 11/06/2025.
The forecast capacity reserve requirement is 730 MW.
The minimum capacity reserve available is 638 MW.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Collector - Yass (3L) 330kV line - NSW region - 11/06/2025
Inter-regional transfer limit variation - Collector - Yass (3L) 330kV line - NSW region - 11/06/2025
A planned outage of Collector - Yass (3L) 330kV line in the NSW region was scheduled from 0700 hrs 10/06/2025 to 1500 hrs 16/06/2025.
The outage has been completed and Collector - Yass (3L) 330kV line returned to service at 1611 hrs 11/06/2025
Constraint set(s) revoked: N-CTYS_3L_WG_CLOSE
Manager NEM Real Time Operations
STPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region on 17/06/2025
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the QLD region for the following periods:
1. From 1100 hrs to 1130 hrs 17/06/2025.
The forecast capacity reserve requirement is 440 MW.
The minimum capacity reserve available is 339 MW.
2. From 1400 hrs to 1430 hrs 17/06/2025.
The forecast capacity reserve requirement is 500 MW.
The minimum capacity reserve available is 371 MW.
AEMO Operations
PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 12/06/2025
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 1730 hrs 12/06/2025 to 1930 hrs 12/06/2025.
The forecast capacity reserve requirement is 1734 MW.
The minimum capacity reserve available is 1441 MW.
Manager NEM Real Time Operations
STPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 12/06/2025
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 127489 is cancelled at 1400 hrs 10/06/2025.
No LOR condition is currently forecast in the STPASA period.
AEMO Operations
Inter-regional transfer limit variation - Middle Ridge - Greenbank (8848) 275 kV LINE- QLD region - 10/06/2025
Inter-regional transfer limit variation - Middle Ridge - Greenbank (8848) 275 kV LINE - QLD region - 10/06/2025
At 1000 hrs 10/06/2025 there was a short notice outage of Middle Ridge - Greenbank (8848) 275 kV LINE.
The following constraint set(s) invoked at 1030 hrs 10/06/2025
Q-MRGB_8848_8849
This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1,NSW1-QLD1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations