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Inter-regional transfer limit variation - Palmerston - Hadspen 220 kV Line - TAS region - 23/12/2023
Inter-regional transfer limit variation - Palmerston - Hadspen 220 kV Line - TAS region - 23/12/2023
A planned outage of Palmerston - Hadspen 220 kV Line in the TAS region was scheduled from 1000 hrs 23/12/2023 to 1500 hrs 23/12/2023.
The outage has been completed and returned to service at 1045 hrs 23/12/2023
Constraint set(s) invoked:
T-HAPM_220
This constraint set(s) contains equations with the following interconnectors on the LHS.
T-V- MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - [outage element] - NSW region - 23/12/2023
Inter-regional transfer limit variation - [outage element] - NSW region - 23/12/2023
A planned outage of KEMPS CREEK No 2 525/345/34 kV Transformer in the NSW region was scheduled from 0600 hrs 23/12/2023 to 1200 hrs 23/12/2023.
The outage has been cancelled.
The following constraint set(s) invoked at 0600 hrs 23/12/2023
N-KC_TX
This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q_MNSP1
NSW1-QLD1
VIC1-NSW1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Palmerston - Hadspen 2 220kV line - TAS region - 22/12/2023
Inter-regional transfer limit variation - Palmerston - Hadspen 2 220kV line - TAS region - 22/12/2023
At 1300 hrs 22/12/2023 there was a short notice outage of Palmerston - Hadspen 2 220kV line.
Constraint set(s) invoked: T-HAPM_220
This constraint set(s) contains equations with the following interconnectors on the LHS.
T-V - MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
[EventId:202312221000_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 22 December 2023 10:00
Issued by Australian Energy Market Operator Ltd at 1000 hrs on 22 December 2023
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 22 December 2023.
Refer to market notice: 112588
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 22 December 2023.
This is an AEMO autogenerated Market Notice.
[EventId:202312220900_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 22 December 2023 09:00
Issued by Australian Energy Market Operator Ltd at 0900 hrs on 22 December 2023
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 22 December 2023.
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 0900 hrs on 22 December 2023.
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:202312211505_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 21 December 2023 15:05
Issued by Australian Energy Market Operator Ltd at 1505 hrs on 21 December 2023
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 21 December 2023.
Refer to market notice: 112577
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 1505 hrs on 21 December 2023.
This is an AEMO autogenerated Market Notice.
Non-credible contingency event - QLD region - 21/12/2023
Non-credible contingency event - QLD region - 21/12/2023
At 1424 hrs the H14 Middle Ridge 275 kV circuit breakers 5432 and 5422 tripped. This offloaded the H14 Middle Ridge No.2 and No.3 275/110 kV transformers.
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:202312211400_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 21 December 2023 14:00
Issued by Australian Energy Market Operator Ltd at 1400 hrs on 21 December 2023
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 21 December 2023.
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 1400 hrs on 21 December 2023.
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:202312211330_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 21 December 2023 13:30
Issued by Australian Energy Market Operator Ltd at 1330 hrs on 21 December 2023
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 21 December 2023.
Refer to market notice: 112562
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 21 December 2023.
This is an AEMO autogenerated Market Notice.