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Reclassification of a Non-Credible Contingency Event: Farrell - Reece No. 1 and No. 2 220kV lines in TAS due to bushfire.
Reclassification of a Non-Credible Contingency Event: Farrell - Reece No. 1 and No. 2 220kV lines in TAS due to bushfire.
AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.
Region: TAS
Lines: Farrell - Reece No. 1 and No. 2 220kV lines
Duration: 03/10/2024 1445 hrs until further notice
Constraint set(s) invoked: F-T-FARE_N-2
Manager NEM Real Time Operations
[EventId:202410031330_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 03 October 2024 13:30
Issued by Australian Energy Market Operator Ltd at 1330 hrs on 3 October 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 3 October 2024.
Refer to market notice: 118585
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the NSW to VIC directional interconnector.
The negative residue constraint NRM_NSW1_VIC1 ceased operating at 1330 hrs on 3 October 2024.
This is an AEMO autogenerated Market Notice.
Cancellation of Reclassification of a Non-Credible Contingency Event: Glenrowan No1 66kV Bus- Vic region - 18/06/2024.
Cancellation of Reclassification of a Non-Credible Contingency Event: Glenrowan No1 66kV Bus- Vic region - 18/06/2024.
Refer AEMO Electricity Market Notice 117043
Based on advice from the asset owner, AEMO considers the trip of the following element is no longer reasonably possible. Accordingly its classification has reverted to a non-credible contingency event.
Region: Vic
Equipment: Glenrowan No1 66kV Bus
Cancellation time: 1215 hrs 03/10/2024
Constraint set(s) revoked: Nil
Manager NEM Real Time Operations
[EventId:202410031105_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 03 October 2024 11:05
Issued by Australian Energy Market Operator Ltd at 1105 hrs on 3 October 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 3 October 2024.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the NSW to VIC directional interconnector.
The negative residue constraint set NRM_NSW1_VIC1 commenced operating from 1105 hrs on 3 October 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.
[EventId:202410031000_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 03 October 2024 10:00
Issued by Australian Energy Market Operator Ltd at 1000 hrs on 3 October 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 3 October 2024.
Refer to market notice: 118570
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the NSW to VIC directional interconnector.
The negative residue constraint NRM_NSW1_VIC1 ceased operating at 1000 hrs on 3 October 2024.
This is an AEMO autogenerated Market Notice.
[EventId:202410030905_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 03 October 2024 09:05
Issued by Australian Energy Market Operator Ltd at 0905 hrs on 3 October 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 3 October 2024.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the NSW to VIC directional interconnector.
The negative residue constraint set NRM_NSW1_VIC1 commenced operating from 0905 hrs on 3 October 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: Reclassification of a Non-Credible Contingency Event: Biloela -Biloela Tee 7110/2 132kV line and Biloela -Biloela Tee 7109/2 132kV line in QLD due to Other Threats.
AEMO considers the occurrence of a non-credible contingency event due to other threats advised in AEMO Electricity Market Notice 118563 is no longer reasonably possible and accordingly its classification has reverted to non-credible.
Cancellation time: 1930 hrs 02/10/2024.
Manager NEM Real Time Operations
Direction - SA region 02/10/2024
Direction - SA region 02/10/2024
In accordance with section 116 of the National Electricity Law, AEMO has issued a direction to a participant in the SA region. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a1)(1).
The issue of the direction commences an AEMO intervention event. AEMO declares all trading intervals during the event to be intervention trading intervals, commencing from the interval ending 1605 hrs on 02/10/2024.
Intervention pricing does not apply to this AEMO intervention event.
AEMO may issue or revoke additional directions in order to meet the current requirement, unless sufficient market response is provided. A further market notice will be issued when all directions related to this requirement have been cancelled.
Manager NEM Real Time Operations
Update - Foreseeable AEMO intervention in SA region
Update - Foreseeable AEMO intervention in SA region
Refer AEMO Electricity Market Notice 118555
AEMO has identified a foreseeable circumstance that may require an AEMO intervention event in the SA region from 2100 hrs 02/10/2024.
The foreseeable circumstance requiring the need for intervention is Voltage.
AEMO estimates that, in the absence of sufficient market response by 1600 hrs 02/10/2024, AEMO may need to intervene by issuing a direction.
Manager NEM Real Time Operations