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Non-credible contingency event - QLD region - 27/01/2024
Non-credible contingency event - QLD region - 27/01/2024
At 0138 hrs the Gin Gin (H6) No.2 275 kV Busbar 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
[EventId:202401262030_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 26 January 2024 20:30
Issued by Australian Energy Market Operator Ltd at 2030 hrs on 26 January 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 26 January 2024.
Refer to market notice: 113818
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 2030 hrs on 26 January 2024.
This is an AEMO autogenerated Market Notice.
[EventId:202401262030_NRM_QLD1_NSW1_stopped] NEGRES CONSTRAINT NRM_QLD1_NSW1 ceased operating from 26 January 2024 20:30
Issued by Australian Energy Market Operator Ltd at 2030 hrs on 26 January 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - QLD to NSW - 26 January 2024.
Refer to market notice: 113805
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the QLD to NSW directional interconnector.
The negative residue constraint NRM_QLD1_NSW1 ceased operating at 2030 hrs on 26 January 2024.
This is an AEMO autogenerated Market Notice.
[EventId:202401261905_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 26 January 2024 19:05
Issued by Australian Energy Market Operator Ltd at 1905 hrs on 26 January 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 26 January 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 1905 hrs on 26 January 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:202401261830_NRM_QLD1_NSW1_started] NEGRES CONSTRAINT NRM_QLD1_NSW1 started operating from 26 January 2024 18:30
Issued by Australian Energy Market Operator Ltd at 1830 hrs on 26 January 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - QLD to NSW - 26 January 2024.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the QLD to NSW directional interconnector.
The negative residue constraint set NRM_QLD1_NSW1 commenced operating from 1830 hrs on 26 January 2024.
This constraint set contains an equation with the following interconnectors on the LHS:
N-Q-MNSP1
NSW1-QLD1
The RHS of the constraint equation may be adjusted to manage residues.
This is an AEMO autogenerated Market Notice.
NON-CONFORMANCE Region QLD1 Friday, 26 January 2024
NON-CONFORMANCE QLD1 Region Friday, 26 January 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: MPP_2
Duration: 26/01/2024 08:05 to 26/01/2024 08:15
Amount: -39 MW
Constraint: NC-Q_MPP_2
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE Region NSW1 Thursday, 25 January 2024
NON-CONFORMANCE NSW1 Region Thursday, 25 January 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: ER01
Duration: 25/01/2024 11:40 to 25/01/2024 11:45
Amount: -81 MW
Constraint: NC-N_ER01
Auto-generated on behalf of Manager NEM Real Time Operations
Update - Non-credible contingency event - QLD region - 23/01/2024
Update - Non-credible contingency event - QLD region - 23/01/2024
Refer AEMO Electricity Market Notice 113659
At 1122 hrs the H35 Strathmore No2 275 kV bus 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.
Nebo - Strathmore 878 275 kV line to remain out of service.
See Network Outage Scheduler (NOS) for further details.
AEMO will not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations
Non-credible contingency event - QLD region - 23/01/2024
Non-credible contingency event - QLD region - 23/01/2024
At 0957 hrs the Strathmore No 2 275 kV bus 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.
The following constraint set(s) invoked
Q-NESTM
Q-X_NQ_275_FDR+BUS
Manager NEM Real Time Operations