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[EventId:202412271500_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 27 December 2024 15:00
Issued by Australian Energy Market Operator Ltd at 1500 hrs on 27 December 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 27 December 2024.
Refer to market notice: 122511
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 1500 hrs on 27 December 2024.
This is an AEMO autogenerated Market Notice.
Inter-regional transfer limit variation - South East SVC - SA region - 27/12/2024
Inter-regional transfer limit variation - South East SVC - SA region - 27/12/2024
At 1452 hrs 27/12/2024 there was an unplanned outage of the South East SVC.
The following constraint set(s) invoked at 1500 hrs 27/12/2024
S-SE_VC1
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-SA
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
[EventId:202412271405_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 27 December 2024 14:05
Issued by Australian Energy Market Operator Ltd at 1405 hrs on 27 December 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 27 December 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 1405 hrs on 27 December 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-CONFORMANCE Region VIC1 Friday, 27 December 2024
NON-CONFORMANCE VIC1 Region Friday, 27 December 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: LYA3
Duration: 27/12/2024 01:05 to 27/12/2024 01:15
Amount: 28 MW
Constraint: NC-V_LYA3
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE Region VIC1 Thursday, 26 December 2024
NON-CONFORMANCE VIC1 Region Thursday, 26 December 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: LYA4
Duration: 26/12/2024 16:00 to 26/12/2024 16:20
Amount: -13 MW
Constraint: NC-V_LYA4
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE Region SA1 Thursday, 26 December 2024
NON-CONFORMANCE SA1 Region Thursday, 26 December 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: HPR1
Duration: 26/12/2024 15:50 to 26/12/2024 15:55
Amount: 14 MW
Constraint: NC-S_HPR1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE Region SA1 Thursday, 26 December 2024
NON-CONFORMANCE SA1 Region Thursday, 26 December 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: TBSF1
Duration: 26/12/2024 09:35 to 26/12/2024 13:10
Amount: 17 MW
Constraint: NC-S_TBSF1
Auto-generated on behalf of Manager NEM Real Time Operations
Inter-Regional Transfer limit variation - Directlink - NSW Region
Inter-Regional Transfer limit variation - Directlink - NSW Region
There has been an unplanned outage of all of Directlink.
The following constraint set was invoked at 0840 hrs 26/12/2024
N-X_MBTE_3
The constraint set contains the following interconnector on the left hand side.
N-Q-MNSP1
Refer AEMO Network Outage Scheduler (NOS) for further details.
Manager NEM Real Time Operations
Update - Non-credible contingency event - SA region - 23/12/2024
Update - Non-credible contingency event - SA region - 23/12/2024
Refer AEMO Electricity Market Notice 122442
At 2036 hrs the Happy Valley - Morphett Vale East and the Morphett Vale - Cherry Gardens 275kV lines were 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