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[EventId:202505271800_NRM_VIC1_SA1_stopped] NEGRES CONSTRAINT NRM_VIC1_SA1 ceased operating from 27 May 2025 18:00
Issued by Australian Energy Market Operator Ltd at 1800 hrs on 27 May 2025
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 27 May 2025.
Refer to market notice: 127307
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 1800 hrs on 27 May 2025.
This is an AEMO autogenerated Market Notice.
[EventId:202505271740_confirmed] Prices for interval 27-May-2025 17:40 are now confirmed
Issued by Australian Energy Market Operator Ltd at 1800 hrs on 27 May 2025
PRICES ARE NOW CONFIRMED for trading interval 27-May-2025 17:40.
In accordance with Market Notice 127309 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:202505271800_confirmed] Prices for interval 27-May-2025 18:00 are now confirmed
Issued by Australian Energy Market Operator Ltd at 1800 hrs on 27 May 2025
PRICES ARE NOW CONFIRMED for trading interval 27-May-2025 18:00.
In accordance with Market Notice 127313 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:202505271755_confirmed] Prices for interval 27-May-2025 17:55 are now confirmed
Issued by Australian Energy Market Operator Ltd at 1800 hrs on 27 May 2025
PRICES ARE NOW CONFIRMED for trading interval 27-May-2025 17:55.
In accordance with Market Notice 127312 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:202505271750_confirmed] Prices for interval 27-May-2025 17:50 are now confirmed
Issued by Australian Energy Market Operator Ltd at 1800 hrs on 27 May 2025
PRICES ARE NOW CONFIRMED for trading interval 27-May-2025 17:50.
In accordance with Market Notice 127311 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:202505271745_confirmed] Prices for interval 27-May-2025 17:45 are now confirmed
Issued by Australian Energy Market Operator Ltd at 1800 hrs on 27 May 2025
PRICES ARE NOW CONFIRMED for trading interval 27-May-2025 17:45.
In accordance with Market Notice 127310 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:202505271735_confirmed] Prices for interval 27-May-2025 17:35 are now confirmed
Issued by Australian Energy Market Operator Ltd at 1800 hrs on 27 May 2025
PRICES ARE NOW CONFIRMED for trading interval 27-May-2025 17:35.
In accordance with Market Notice 127308 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:202505271640_NRM_VIC1_SA1_started] NEGRES CONSTRAINT NRM_VIC1_SA1 started operating from 27 May 2025 16:40
Issued by Australian Energy Market Operator Ltd at 1640 hrs on 27 May 2025
ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 27 May 2025.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the VIC to SA directional interconnector.
The negative residue constraint set NRM_VIC1_SA1 commenced operating from 1640 hrs on 27 May 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.
Cancellation of the reclassification of a Non-Credible Contingency Event: Brinkworth-Davenport, Brinkworth-Templers West and Para-Templers West 275kV lines in SA due to severe weather warning .
Cancellation of the reclassification of a non-credible contingency event as a credible contingency event due to severe weather warning.
AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any severe weather warning in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.
Region: SA
Lines: Brinkworth-Davenport, Brinkworth-Templers West and Para-Templers West 275kV lines
Cancellation time: 1150 hrs 27/05/2025
Constraint set(s) revoked: Nil
Refer AEMO Electricity Market Notice 127230
Manager NEM Real Time Operations