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Inter-regional transfer limit variation - S3 Greenbank 275 kV SVC - QLD region - 18/07/2025
Inter-regional transfer limit variation - S3 Greenbank 275 kV SVC - QLD region - 18/07/2025
At 1207 hrs 18/07/2025 there was an unplanned outage of S3 Greenbank 275 kV SVC.
The following constraint set(s) invoked at 1215 hrs 18/07/2025
Q-GB_VC
This constraint set(s) contains equations with the following interconnectors on the LHS.
NSW1-QLD1,N-Q-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Non-credible contingency event - QLD region - 18/07/2025
Non-credible contingency event - QLD region - 18/07/2025
At 0825 hrs the H11_Nebo 275/132 kV No.1 Transformer was switched out on a planned outage and the H11_Nebo 275 kV SVC 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
Inter-regional transfer limit variation - Calvale-Halys 8810 275kV LINE - QLD region - 17/07/2025
Inter-regional transfer limit variation - Calvale-Halys 8810 275kV LINE - QLD region - 17/07/2025
A planned outage of Calvale-Halys 8810 275kV LINE in the QLD region was scheduled from 2300 hrs 15/07/2025 to 1600 hrs 18/07/2025.
The outage has been completed and Calvale-Halys 8810 275kV LINE returned to service at 1500 hrs 17/07/2025
Constraint set(s) revoked: Q-HACL
Manager NEM Real Time Operations
[EventId:202507162215_confirmed] Prices for interval 16-Jul-2025 22:15 are now confirmed
Issued by Australian Energy Market Operator Ltd at 2235 hrs on 16 July 2025
PRICES ARE NOW CONFIRMED for trading interval 16-Jul-2025 22:15.
In accordance with Market Notice 128139 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
[EventId:202507162235_confirmed] Prices for interval 16-Jul-2025 22:35 are now confirmed
Issued by Australian Energy Market Operator Ltd at 2235 hrs on 16 July 2025
PRICES ARE NOW CONFIRMED for trading interval 16-Jul-2025 22:35.
In accordance with Market Notice 128143 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
[EventId:202507162230_confirmed] Prices for interval 16-Jul-2025 22:30 are now confirmed
Issued by Australian Energy Market Operator Ltd at 2235 hrs on 16 July 2025
PRICES ARE NOW CONFIRMED for trading interval 16-Jul-2025 22:30.
In accordance with Market Notice 128142 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
[EventId:202507162225_confirmed] Prices for interval 16-Jul-2025 22:25 are now confirmed
Issued by Australian Energy Market Operator Ltd at 2235 hrs on 16 July 2025
PRICES ARE NOW CONFIRMED for trading interval 16-Jul-2025 22:25.
In accordance with Market Notice 128141 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
[EventId:202507162220_confirmed] Prices for interval 16-Jul-2025 22:20 are now confirmed
Issued by Australian Energy Market Operator Ltd at 2235 hrs on 16 July 2025
PRICES ARE NOW CONFIRMED for trading interval 16-Jul-2025 22:20.
In accordance with Market Notice 128140 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
[EventId:202507162210_confirmed] Prices for interval 16-Jul-2025 22:10 are now confirmed
Issued by Australian Energy Market Operator Ltd at 2235 hrs on 16 July 2025
PRICES ARE NOW CONFIRMED for trading interval 16-Jul-2025 22:10.
In accordance with Market Notice 128138 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.