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127503INTER-REGIONAL TRANSFER11/06/2025 06:24:21 PM
Cancellation- Inter-regional transfer limit variation - constraint automation to manage Power System Security in NSW region - 11/06/2025
AEMO ELECTRICITY MARKET NOTICE
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
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
127501INTER-REGIONAL TRANSFER11/06/2025 06:01:39 PM
Inter-regional transfer limit variation - constraint automation to manage Power System Security in NSW region - 11/06/2025
AEMO ELECTRICITY MARKET NOTICE
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
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
127500POWER SYSTEM EVENTS11/06/2025 06:05:55 PM
Update - Non-credible contingency event - QLD region - 11/06/2025
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - QLD region - 11/06/2025
Refer AEMO Electricity Market Notice 127499
At 1713 hrs the Belmont (H3) No.1 275 kV bus and Loganlea - Belmont (829) 275 kV line tripped.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
Update - Non-credible contingency event - QLD region - 11/06/2025
Refer AEMO Electricity Market Notice 127499
At 1713 hrs the Belmont (H3) No.1 275 kV bus and Loganlea - Belmont (829) 275 kV line tripped.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
127499POWER SYSTEM EVENTS11/06/2025 05:24:51 PM
Non-credible contingency event - QLD region - 11/06/2025
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - QLD region - 11/06/2025
At 1713 hrs the Belmont (H3) No.1 275 kV bus tripped.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
Non-credible contingency event - QLD region - 11/06/2025
At 1713 hrs the Belmont (H3) No.1 275 kV bus tripped.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
127498RESERVE NOTICE11/06/2025 05:04:31 PM
PDPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 12/06/2025
AEMO ELECTRICITY MARKET NOTICE
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
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
127497RESERVE NOTICE11/06/2025 05:05:52 PM
PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region on 11/06/2025
AEMO ELECTRICITY MARKET NOTICE
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
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
127496INTER-REGIONAL TRANSFER11/06/2025 04:25:53 PM
Inter-regional transfer limit variation - Collector - Yass (3L) 330kV line - NSW region - 11/06/2025
AEMO ELECTRICITY MARKET NOTICE
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
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
127495RESERVE NOTICE11/06/2025 03:06:50 PM
STPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region on 17/06/2025
AEMO ELECTRICITY MARKET NOTICE
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
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
127494RESERVE NOTICE11/06/2025 01:14:31 PM
PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 12/06/2025
AEMO ELECTRICITY MARKET NOTICE
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
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