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CORRECTION: Update - Vulnerable lines in QLD region
Update - Lightning vulnerable lines in QLD region
Refer to AEMO Electricity Market Notice 121840
Fix typo: Line 7141 should read Line 7143
At 2026 hrs 12/12/2024 the Kamerunga to Barron Gorge 132 kV Line 7184 and the Kamerunga to Barron Gorge 132 kV Line 7143 tripped.
The cause of the trip was identified as due to lightning.
In accordance with SO_OP_3715, AEMO now considers the Kamerunga to Barron Gorge 132 kV Line 7184 and the Kamerunga to Barron Gorge 132 kV Line 7143 to be vulnerable with a category of probable due to lightning.
Manager NEM Real Time Operations
Update - Vulnerable lines in QLD region
Update - Lightning vulnerable lines in QLD region
Refer to AEMO Electricity Market Notice 121806
At 2026 hrs 12/12/2024 the Kamerunga to Barron Gorge 132 kV Line 7184 and the Kamerunga to Barron Gorge 132 kV Line 7141 tripped.
The cause of the trip was identified as due to lightning.
In accordance with SO_OP_3715, AEMO now considers the Kamerunga to Barron Gorge 132 kV Line 7184 and the Kamerunga to Barron Gorge 132 kV Line 7141 to be vulnerable with a category of probable due to lightning.
Manager NEM Real Time Operations
[EventId:202412131230_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 13 December 2024 12:30
Issued by Australian Energy Market Operator Ltd at 1230 hrs on 13 December 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 13 December 2024.
Refer to market notice: 121829
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 1230 hrs on 13 December 2024.
This is an AEMO autogenerated Market Notice.
[EventId:202412131105_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 13 December 2024 11:05
Issued by Australian Energy Market Operator Ltd at 1105 hrs on 13 December 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 13 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 1105 hrs on 13 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.
NEM Local Temperature Alerts for NSW, SA, VIC from 13 Dec 2024 to 17 Dec 2024
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.
NSW
Mudgee Ap (39+ Deg C): 16th Dec, 17th Dec
Yass (39+ Deg C): 16th Dec
SA
Adelaide West Terrace (39+ Deg C): 15th Dec
Clare High School (39+ Deg C): 15th Dec
Port Augusta Ap (39+ Deg C): 14th Dec, 15th Dec, 16th Dec
VIC
Ararat Prison (39+ Deg C): 16th Dec
Latrobe Valley Ap (39+ Deg C): 16th Dec
Melbourne Olympic Park (39+ Deg C): 16th Dec
Mildura Ap (39+ Deg C): 15th Dec, 16th 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:202412122120_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 12 December 2024 21:20
Issued by Australian Energy Market Operator Ltd at 2120 hrs on 12 December 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 12 December 2024.
Refer to market notice: 121798
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 2120 hrs on 12 December 2024.
This is an AEMO autogenerated Market Notice.
Non-credible contingency event - QLD region - 12/12/2024
Non-credible contingency event - QLD region - 12/12/2024
At 2026 hrs the Kamerunga to Barron George 132 kV Line 7184 and the Kamerunga to Barron George 132 kV Line 7141 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
Cancellation of Actual (LOR1) condition in the NSW region - 12/12/2024
Cancellation of Actual (LOR1) condition in the NSW region - 12/12/2024
The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice No.121803 is cancelled at 1945 hrs 12/12/2024.
Manager NEM Real Time Operations
Actual Lack Of Reserve Level 1 (LOR1) in the NSW Region on 12/12/2024
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 12/12/2024
An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1830 hrs.
The Actual LOR1 condition is forecast to exist until 1930 hrs.
The forecast capacity reserve requirement is 1430 MW.
The minimum capacity reserve available is 1338 MW.
Manager NEM Real Time Operations