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127753RESERVE NOTICE23/06/2025 09:53:46 PM
STPASA - Forecast Lack Of Reserve Level 3 (LOR3) in the SA Region on 30/06/2025
AEMO ELECTRICITY MARKET NOTICE
AEMO declares a Forecast LOR3 condition under clause 4.8.4(b) of the National Electricity Rules for the SA region for the following period[s]:
[1.] From 0730 hrs 30/06/2025 to 0930 hrs 30/06/2025.
The maximum load (other than interruptible loads) forecast to be interrupted is 87 MW at 0800 hrs.
[2.] From 1700 hrs 30/06/2025 to 2300 hrs 30/06/2025.
The maximum load (other than interruptible loads) forecast to be interrupted is 112 MW at 1900 hrs.
AEMO is seeking a market response.
AEMO has not yet estimated the latest time it would need to intervene through an AEMO intervention event.
Manager NEM Real Time Operations
AEMO declares a Forecast LOR3 condition under clause 4.8.4(b) of the National Electricity Rules for the SA region for the following period[s]:
[1.] From 0730 hrs 30/06/2025 to 0930 hrs 30/06/2025.
The maximum load (other than interruptible loads) forecast to be interrupted is 87 MW at 0800 hrs.
[2.] From 1700 hrs 30/06/2025 to 2300 hrs 30/06/2025.
The maximum load (other than interruptible loads) forecast to be interrupted is 112 MW at 1900 hrs.
AEMO is seeking a market response.
AEMO has not yet estimated the latest time it would need to intervene through an AEMO intervention event.
Manager NEM Real Time Operations
127743INTER-REGIONAL TRANSFER23/06/2025 05:44:44 PM
Inter-regional transfer limit variation - Darlington Point - Wagga No.63 330 kV line - NSW region - 23/06/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Darlington Point - Wagga No.63 330 kV line - NSW region - 23/06/2025
At 1719 hrs 23/06/2025 there was an unplanned outage of Darlington Point - Wagga No.63 330 kV line. The Darlington Point - Balranald No. X5 220 kV line consequently tripped due to a control scheme for the trip of the above line as per design.
The following constraint set(s) invoked at 1725 hrs 23/06/2025
N-DPWG_63_X5
This constraint set(s) contains equations with the following interconnectors on the LHS.
VIC1-NSW1,N-Q-MNSP1,NSW1-QLD1,V-S-MNSP1,V-SA
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Darlington Point - Wagga No.63 330 kV line - NSW region - 23/06/2025
At 1719 hrs 23/06/2025 there was an unplanned outage of Darlington Point - Wagga No.63 330 kV line. The Darlington Point - Balranald No. X5 220 kV line consequently tripped due to a control scheme for the trip of the above line as per design.
The following constraint set(s) invoked at 1725 hrs 23/06/2025
N-DPWG_63_X5
This constraint set(s) contains equations with the following interconnectors on the LHS.
VIC1-NSW1,N-Q-MNSP1,NSW1-QLD1,V-S-MNSP1,V-SA
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
127676INTER-REGIONAL TRANSFER20/06/2025 08:17:01 PM
Inter-Regional Transfer limit variation - Directlink - NSW Region
AEMO ELECTRICITY MARKET NOTICE
Inter-Regional Transfer limit variation - Directlink - NSW Region
There has been an unplanned outage of the No 1 Leg of Directlink .
The following constraint set was invoked at 2020 hrs 20/06/2025
N-MBTE_1
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
Inter-Regional Transfer limit variation - Directlink - NSW Region
There has been an unplanned outage of the No 1 Leg of Directlink .
The following constraint set was invoked at 2020 hrs 20/06/2025
N-MBTE_1
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
127670INTER-REGIONAL TRANSFER20/06/2025 12:23:50 PM
Inter-regional transfer limit variation - Directlink No.3 Cable - NSW region - 20/06/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Directlink No.3 Cable - NSW region - 20/06/2025
A planned outage of Directlink No.3 Cable in the NSW region was scheduled from 0700 hrs 16/06/2025 to 1700 hrs 27/06/2025.
The outage has been completed and Directlink No.3 Cable returned to service at 1210 hrs 20/06/2025
Constraint set(s) revoked: N-MBTE_1
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Directlink No.3 Cable - NSW region - 20/06/2025
A planned outage of Directlink No.3 Cable in the NSW region was scheduled from 0700 hrs 16/06/2025 to 1700 hrs 27/06/2025.
The outage has been completed and Directlink No.3 Cable returned to service at 1210 hrs 20/06/2025
Constraint set(s) revoked: N-MBTE_1
Manager NEM Real Time Operations
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
127502POWER SYSTEM EVENTS15/06/2025 11:14:11 AM
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 127500
At 1050 hrs the Belmont - Loganlea 829 275 kV line was returned to service and previously (11/06/25) the Belmont (H3) No. 1 275 kV bus had returned to service.
The cause of this non-credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.
AEMO will not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations
Update - Non-credible contingency event - QLD region - 11/06/2025
Refer AEMO Electricity Market Notice 127500
At 1050 hrs the Belmont - Loganlea 829 275 kV line was returned to service and previously (11/06/25) the Belmont (H3) No. 1 275 kV bus had returned to service.
The cause of this non-credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.
AEMO will not reclassify this event as a credible contingency event.
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