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[EventId:202408051635_confirmed] Prices for interval 05-Aug-2024 16:35 are now confirmed
Issued by Australian Energy Market Operator Ltd at 1700 hrs on 5 August 2024
PRICES ARE NOW CONFIRMED for trading interval 05-Aug-2024 16:35.
In accordance with Market Notice 117548 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:202408010745_NRM_VIC1_NSW1_stopped] NEGRES CONSTRAINT NRM_VIC1_NSW1 ceased operating from 01 August 2024 07:45
Issued by Australian Energy Market Operator Ltd at 0745 hrs on 1 August 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to NSW - 1 August 2024.
Refer to market notice: 117517
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 0745 hrs on 1 August 2024.
This is an AEMO autogenerated Market Notice.
[EventId:202408010640_NRM_VIC1_NSW1_started] NEGRES CONSTRAINT NRM_VIC1_NSW1 started operating from 01 August 2024 06:40
Issued by Australian Energy Market Operator Ltd at 0640 hrs on 1 August 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to NSW - 1 August 2024.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the VIC to NSW directional interconnector.
The negative residue constraint set NRM_VIC1_NSW1 commenced operating from 0640 hrs on 1 August 2024.
This constraint set contains an equation with the following interconnectors on the LHS:
VIC1-NSW1
The RHS of the constraint equation may be adjusted to manage residues.
This is an AEMO autogenerated Market Notice.
Cancellation of Actual (LOR1) condition in the SA region - 30/07/2024
Cancellation of Actual (LOR1) condition in the SA region - 30/07/2024
The Actual LOR1 Condition in the SA Region advised in AEMO Electricity Market Notice No. 117509 is cancelled at 2040 hrs 30/07/2024.
Manager NEM Real Time Operations
Actual Lack Of Reserve Level 1 (LOR1) in the SA region - 30/07/2024
Actual Lack Of Reserve Level 1 (LOR1) in the SA region - 30/07/2024
An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the SA region from 2000 hrs.
The Actual LOR1 condition is forecast to exist until 2030 hrs
The capacity reserve requirement is 450 MW
The minimum capacity reserve available is 404 MW
Manager NEM Real Time Operations
[EventId:202407300755_NRM_VIC1_NSW1_stopped] NEGRES CONSTRAINT NRM_VIC1_NSW1 ceased operating from 30 July 2024 07:55
Issued by Australian Energy Market Operator Ltd at 0755 hrs on 30 July 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to NSW - 30 July 2024.
Refer to market notice: 117505
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 0755 hrs on 30 July 2024.
This is an AEMO autogenerated Market Notice.
[EventId:202407300730_NRM_VIC1_NSW1_started] NEGRES CONSTRAINT NRM_VIC1_NSW1 started operating from 30 July 2024 07:30
Issued by Australian Energy Market Operator Ltd at 0730 hrs on 30 July 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to NSW - 30 July 2024.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the VIC to NSW directional interconnector.
The negative residue constraint set NRM_VIC1_NSW1 commenced operating from 0730 hrs on 30 July 2024.
This constraint set contains an equation with the following interconnectors on the LHS:
VIC1-NSW1
The RHS of the constraint equation may be adjusted to manage residues.
This is an AEMO autogenerated Market Notice.
Non-credible contingency event - QLD region - 30/07/2024
Non-credible contingency event - QLD region - 30/07/2024
At 0537 hrs the Darling Downs Power Station GT1, GT3 and and the steam turbine tripped from 484 MW.
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 - 27/07/2024
Update - Non-credible contingency event - QLD region - 27/07/2024
Refer AEMO Electricity Market Notice 117487
At 1702 hrs the H38 Goodna No. 2 275kV Bus and the H38 Goodna No. 1 275/132kV transformer was 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