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128459INTER-REGIONAL TRANSFER07/08/2025 08:49:36 PM
Inter-regional transfer limit variation - APD A2 500/220 kV Transformer - VIC region - 07/08/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - APD A2 500/220 kV Transformer - VIC region - 07/08/2025
At 1734 hrs 07/08/2025 there was an unplanned outage of APD A2 500/220 kV Transformer
The following constraint set(s) invoked at 1750 hrs 07/08/2025
F-I_ML_APD_LOAD
This constraint set(s) contains equations with the following interconnectors on the LHS.
T-V-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - APD A2 500/220 kV Transformer - VIC region - 07/08/2025
At 1734 hrs 07/08/2025 there was an unplanned outage of APD A2 500/220 kV Transformer
The following constraint set(s) invoked at 1750 hrs 07/08/2025
F-I_ML_APD_LOAD
This constraint set(s) contains equations with the following interconnectors on the LHS.
T-V-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
128458POWER SYSTEM EVENTS07/08/2025 05:40:13 AM
Non-credible contingency event - SA region - 07/08/2025
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - SA region - 07/08/2025
At 0507 hrs the Dorrien end of the Templers West to Dorrien 132 kV line and the Templers battery 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 - SA region - 07/08/2025
At 0507 hrs the Dorrien end of the Templers West to Dorrien 132 kV line and the Templers battery 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
128453INTER-REGIONAL TRANSFER06/08/2025 09:49:32 AM
Inter-regional transfer limit variation - Red Cliffs - Wemen 220kV LINE and Koorangie - Wemen 220kV LINE - VIC region - 06/08/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Red Cliffs - Wemen 220kV LINE and Koorangie - Wemen 220kV LINE - VIC region - 06/08/2025
A planned outage of Red Cliffs - Wemen 220kV LINE and Koorangie - Wemen 220kV LINE in the VIC region was scheduled from 0700 hrs 06/08/2025 to 1800 hrs 06/08/2025.
The outage has been completed and Red Cliffs - Wemen 220kV LINE and Koorangie - Wemen 220kV LINE returned to service at 0945 hrs 06/08/2025
Constraint set(s) revoked: V-KO_WE_RC
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Red Cliffs - Wemen 220kV LINE and Koorangie - Wemen 220kV LINE - VIC region - 06/08/2025
A planned outage of Red Cliffs - Wemen 220kV LINE and Koorangie - Wemen 220kV LINE in the VIC region was scheduled from 0700 hrs 06/08/2025 to 1800 hrs 06/08/2025.
The outage has been completed and Red Cliffs - Wemen 220kV LINE and Koorangie - Wemen 220kV LINE returned to service at 0945 hrs 06/08/2025
Constraint set(s) revoked: V-KO_WE_RC
Manager NEM Real Time Operations
128448INTER-REGIONAL TRANSFER05/08/2025 08:43:31 PM
Inter-regional transfer limit variation - South East 275 kV No. 2 SVC - SA region - 05/08/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - South East 275 kV No. 2 SVC - SA region - 05/08/2025
At 2036 hrs 05/08/2025 there was an unplanned outage of South East 275 kV No. 2 SVC.
The following constraint set(s) invoked at 2045 hrs 05/08/2025
S-SE_VC1
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-SA
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - South East 275 kV No. 2 SVC - SA region - 05/08/2025
At 2036 hrs 05/08/2025 there was an unplanned outage of South East 275 kV No. 2 SVC.
The following constraint set(s) invoked at 2045 hrs 05/08/2025
S-SE_VC1
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-SA
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
128420INTER-REGIONAL TRANSFER02/08/2025 12:56:53 PM
Inter-regional transfer limit variation - constraint automation to manage Power System Security in NSW region - 02/08/2025
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_BRIS_57A00625 from 1235 hrs until further notice.
This constraint set contains equations with the following interconnector on the LHS;
N-Q-MNSP1
NSW1-QLD1
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_BRIS_57A00625 from 1235 hrs until further notice.
This constraint set contains equations with the following interconnector on the LHS;
N-Q-MNSP1
NSW1-QLD1
Manager NEM Real Time Operations
128402PRICES UNCHANGED29/07/2025 10:40:25 AM
[EventId:202507291015_confirmed] Prices for interval 29-Jul-2025 10:15 are now confirmed
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1040 hrs on 29 July 2025
PRICES ARE NOW CONFIRMED for trading interval 29-Jul-2025 10:15.
In accordance with Market Notice 128391 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.
Issued by Australian Energy Market Operator Ltd at 1040 hrs on 29 July 2025
PRICES ARE NOW CONFIRMED for trading interval 29-Jul-2025 10:15.
In accordance with Market Notice 128391 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.
128401PRICES UNCHANGED29/07/2025 10:40:25 AM
[EventId:202507291040_confirmed] Prices for interval 29-Jul-2025 10:40 are now confirmed
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1040 hrs on 29 July 2025
PRICES ARE NOW CONFIRMED for trading interval 29-Jul-2025 10:40.
In accordance with Market Notice 128396 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.
Issued by Australian Energy Market Operator Ltd at 1040 hrs on 29 July 2025
PRICES ARE NOW CONFIRMED for trading interval 29-Jul-2025 10:40.
In accordance with Market Notice 128396 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.
128400PRICES UNCHANGED29/07/2025 10:40:26 AM
[EventId:202507291035_confirmed] Prices for interval 29-Jul-2025 10:35 are now confirmed
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1040 hrs on 29 July 2025
PRICES ARE NOW CONFIRMED for trading interval 29-Jul-2025 10:35.
In accordance with Market Notice 128395 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.
Issued by Australian Energy Market Operator Ltd at 1040 hrs on 29 July 2025
PRICES ARE NOW CONFIRMED for trading interval 29-Jul-2025 10:35.
In accordance with Market Notice 128395 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.
128399PRICES UNCHANGED29/07/2025 10:40:16 AM
[EventId:202507291030_confirmed] Prices for interval 29-Jul-2025 10:30 are now confirmed
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1040 hrs on 29 July 2025
PRICES ARE NOW CONFIRMED for trading interval 29-Jul-2025 10:30.
In accordance with Market Notice 128394 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.
Issued by Australian Energy Market Operator Ltd at 1040 hrs on 29 July 2025
PRICES ARE NOW CONFIRMED for trading interval 29-Jul-2025 10:30.
In accordance with Market Notice 128394 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.