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[EventId:202312141400_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 14 December 2023 14:00
Issued by Australian Energy Market Operator Ltd at 1400 hrs on 14 December 2023
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 14 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 14 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.
Update - Vulnerbale lines - SA region
Vulnerable lines in SA region.
[Special Reclassification of Transmission Lines during lightning]
Refer to AEMO Electricity Market Notices 111818
At 1350 28/11/2023 hrs Tungkillo- Robertstown No.1 and No.2 275kV lines and the Robertstown No.1 and No.2 synchronous condensers were reclassified due to the elements tripping at 0534 hrs 28/11/2023
The cause of trip was identified as due to lightning.
In accordance with SO_OP_3715, AEMO now considers the following elements to be vulnerable due to lightning.
Elements: Tungkillo- Robertstown No.1 and No.2 275kV lines and the Robertstown No.1 and No.2 synchronous condensers.
Manager NEM Real Time Operations
[EventId:202312141330_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 14 December 2023 13:30
Issued by Australian Energy Market Operator Ltd at 1330 hrs on 14 December 2023
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 14 December 2023.
Refer to market notice: 112315
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 14 December 2023.
This is an AEMO autogenerated Market Notice.
[EventId:202312141130_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 14 December 2023 11:30
Issued by Australian Energy Market Operator Ltd at 1130 hrs on 14 December 2023
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 14 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 1130 hrs on 14 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:202312141100_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 14 December 2023 11:00
Issued by Australian Energy Market Operator Ltd at 1100 hrs on 14 December 2023
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 14 December 2023.
Refer to market notice: 112296
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 1100 hrs on 14 December 2023.
This is an AEMO autogenerated Market Notice.
NEM Local Temperature Alerts for VIC from 14 Dec 2023 to 18 Dec 2023
AEMO's weather service provider has issued forecast temperatures equal to or greater than the NEM Local Temperature Alert Levels for listed weather stations below.
VIC
Mildura Ap (39+ Deg C): 18th Dec
The NEM Local Temperature Alert Levels are:
Launceston Ti Tree Bend: 33 Deg C, Dalby Airport: 37 Deg C, for all other selected weather stations: 39 Deg C.
AEMO requests Market Participants to:
1. review the weather forecast in the local area where their generating units / MNSP converter stations are located and,
2. if required, update the available capacity in their dispatch offers or availability submissions consistent with the forecast temperatures.
Further information is available at:
https://aemo.com.au/energy-systems/electricity/national-electricity-market-nem/nem-forecasting-and-planning/forecasting-and-reliability/projected-assessment-of-system-adequacy/nem-local-temperature-alerts
AEMO Operations Planning
[EventId:202312140935_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 14 December 2023 09:35
Issued by Australian Energy Market Operator Ltd at 0935 hrs on 14 December 2023
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 14 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 0935 hrs on 14 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.
NON-CONFORMANCE Region QLD1 Wednesday, 13 December 2023
NON-CONFORMANCE Region QLD1 Wednesday, 13 December 2023
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: TARONG#4
Duration: 13/12/2023 23:05 to 13/12/2023 23:10
Amount: -20 MW
Constraint: NC-Q_TARONG#4
Manager NEM Real Time Operations
Update - Vulnerable lines in TAS region.
Vulnerable lines in TAS region.
Refer to AEMO Electricity Market Notice 112248.
At 1324 hrs 13/12/2023 the Hadspen - Palmerston No.3 & No.4 110 kV lines tripped and auto reclosed.
The cause of trip was identified as due to lightning.
In accordance with SO_OP_3715, AEMO now considers the Hadspen - Palmerston No.3 & No.4 110 kV lines to be vulnerable with a category of probable due to lightning.
Manager NEM Real Time Operations