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128358SETTLEMENTS RESIDUE26/07/2025 08:05:28 AM
[EventId:202507260805_NRM_SA1_VIC1_started] NEGRES CONSTRAINT NRM_SA1_VIC1 started operating from 26 July 2025 08:05
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 0805 hrs on 26 July 2025
ACTUAL NEGATIVE SETTLEMENT RESIDUES - SA to VIC - 26 July 2025.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the SA to VIC directional interconnector.
The negative residue constraint set NRM_SA1_VIC1 commenced operating from 0805 hrs on 26 July 2025.
This constraint set contains an equation with the following interconnectors on the LHS:
V-S-MNSP1
V-SA
The RHS of the constraint equation may be adjusted to manage residues.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 0805 hrs on 26 July 2025
ACTUAL NEGATIVE SETTLEMENT RESIDUES - SA to VIC - 26 July 2025.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the SA to VIC directional interconnector.
The negative residue constraint set NRM_SA1_VIC1 commenced operating from 0805 hrs on 26 July 2025.
This constraint set contains an equation with the following interconnectors on the LHS:
V-S-MNSP1
V-SA
The RHS of the constraint equation may be adjusted to manage residues.
This is an AEMO autogenerated Market Notice.
128353POWER SYSTEM EVENTS26/07/2025 06:00:15 AM
Non-credible contingency event - NSW region - 26/07/2025
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - NSW region - 26/07/2025
At 0449 hrs the Canberra 132 kV A Bus and the Canberra to Latham A2 132 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
Non-credible contingency event - NSW region - 26/07/2025
At 0449 hrs the Canberra 132 kV A Bus and the Canberra to Latham A2 132 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
128347SETTLEMENTS RESIDUE25/07/2025 09:00:30 PM
[EventId:202507252100_NRM_VIC1_SA1_stopped] NEGRES CONSTRAINT NRM_VIC1_SA1 ceased operating from 25 July 2025 21:00
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 2100 hrs on 25 July 2025
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 25 July 2025.
Refer to market notice: 128337
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the VIC to SA directional interconnector.
The negative residue constraint NRM_VIC1_SA1 ceased operating at 2100 hrs on 25 July 2025.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 2100 hrs on 25 July 2025
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 25 July 2025.
Refer to market notice: 128337
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the VIC to SA directional interconnector.
The negative residue constraint NRM_VIC1_SA1 ceased operating at 2100 hrs on 25 July 2025.
This is an AEMO autogenerated Market Notice.
128346SETTLEMENTS RESIDUE25/07/2025 06:30:26 PM
[EventId:202507251830_NRM_VIC1_NSW1_stopped] NEGRES CONSTRAINT NRM_VIC1_NSW1 ceased operating from 25 July 2025 18:30
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1830 hrs on 25 July 2025
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to NSW - 25 July 2025.
Refer to market notice: 128338
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the VIC to NSW directional interconnector.
The negative residue constraint NRM_VIC1_NSW1 ceased operating at 1830 hrs on 25 July 2025.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1830 hrs on 25 July 2025
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to NSW - 25 July 2025.
Refer to market notice: 128338
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the VIC to NSW directional interconnector.
The negative residue constraint NRM_VIC1_NSW1 ceased operating at 1830 hrs on 25 July 2025.
This is an AEMO autogenerated Market Notice.
128344PRICES UNCHANGED25/07/2025 05:40:24 PM
[EventId:202507251715_confirmed] Prices for interval 25-Jul-2025 17:15 are now confirmed
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1740 hrs on 25 July 2025
PRICES ARE NOW CONFIRMED for trading interval 25-Jul-2025 17:15.
In accordance with Market Notice 128330 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 1740 hrs on 25 July 2025
PRICES ARE NOW CONFIRMED for trading interval 25-Jul-2025 17:15.
In accordance with Market Notice 128330 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.
128343PRICES UNCHANGED25/07/2025 05:40:24 PM
[EventId:202507251740_confirmed] Prices for interval 25-Jul-2025 17:40 are now confirmed
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1740 hrs on 25 July 2025
PRICES ARE NOW CONFIRMED for trading interval 25-Jul-2025 17:40.
In accordance with Market Notice 128336 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 1740 hrs on 25 July 2025
PRICES ARE NOW CONFIRMED for trading interval 25-Jul-2025 17:40.
In accordance with Market Notice 128336 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.
128342PRICES UNCHANGED25/07/2025 05:40:24 PM
[EventId:202507251735_confirmed] Prices for interval 25-Jul-2025 17:35 are now confirmed
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1740 hrs on 25 July 2025
PRICES ARE NOW CONFIRMED for trading interval 25-Jul-2025 17:35.
In accordance with Market Notice 128335 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 1740 hrs on 25 July 2025
PRICES ARE NOW CONFIRMED for trading interval 25-Jul-2025 17:35.
In accordance with Market Notice 128335 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.
128341PRICES UNCHANGED25/07/2025 05:40:24 PM
[EventId:202507251730_confirmed] Prices for interval 25-Jul-2025 17:30 are now confirmed
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1740 hrs on 25 July 2025
PRICES ARE NOW CONFIRMED for trading interval 25-Jul-2025 17:30.
In accordance with Market Notice 128334 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 1740 hrs on 25 July 2025
PRICES ARE NOW CONFIRMED for trading interval 25-Jul-2025 17:30.
In accordance with Market Notice 128334 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.
128340PRICES UNCHANGED25/07/2025 05:40:21 PM
[EventId:202507251725_confirmed] Prices for interval 25-Jul-2025 17:25 are now confirmed
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1740 hrs on 25 July 2025
PRICES ARE NOW CONFIRMED for trading interval 25-Jul-2025 17:25.
In accordance with Market Notice 128333 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 1740 hrs on 25 July 2025
PRICES ARE NOW CONFIRMED for trading interval 25-Jul-2025 17:25.
In accordance with Market Notice 128333 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.