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PDPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region [beginning] on 13/11/2024
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 120335 is cancelled at 1125 hrs 13/11/2024.
Manager NEM Real Time Operations
PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 13/11/2024
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following Period:
[1.] From 1800 hrs 13/11/2024 to 1900 hrs 13/11/2024.
The forecast capacity reserve requirement is 1430 MW.
The minimum capacity reserve available is 1372 MW.
Manager NEM Real Time Operations
[EventId:202411122130_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 12 November 2024 21:30
Issued by Australian Energy Market Operator Ltd at 2130 hrs on 12 November 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 12 November 2024.
Refer to market notice: 120324
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 2130 hrs on 12 November 2024.
This is an AEMO autogenerated Market Notice.
[EventId:202411121735_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 12 November 2024 17:35
Issued by Australian Energy Market Operator Ltd at 1735 hrs on 12 November 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 12 November 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 1735 hrs on 12 November 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.
Update - Non-credible contingency event - VIC region - 12/11/2024
Update - Non-credible contingency event - VIC region - 12/11/2024
Refer AEMO Electricity Market Notice 120305
At 1135 hrs the Yallourn No 1 220 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.
AEMO will not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations
Non-credible contingency event - VIC region - 12/11/2024
Non-credible contingency event - VIC region - 12/11/2024
At 1041 hrs the Yallourn No 1 220 kV bus and Yallourn Unit 4 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:202411120900_NRM_QLD1_NSW1_stopped] NEGRES CONSTRAINT NRM_QLD1_NSW1 ceased operating from 12 November 2024 09:00
Issued by Australian Energy Market Operator Ltd at 0900 hrs on 12 November 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - QLD to NSW - 12 November 2024.
Refer to market notice: 120303
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 0900 hrs on 12 November 2024.
This is an AEMO autogenerated Market Notice.
[EventId:202411120830_NRM_QLD1_NSW1_started] NEGRES CONSTRAINT NRM_QLD1_NSW1 started operating from 12 November 2024 08:30
Issued by Australian Energy Market Operator Ltd at 0830 hrs on 12 November 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - QLD to NSW - 12 November 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 0830 hrs on 12 November 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.
[EventId:202411120820_NRM_QLD1_NSW1_stopped] NEGRES CONSTRAINT NRM_QLD1_NSW1 ceased operating from 12 November 2024 08:20
Issued by Australian Energy Market Operator Ltd at 0820 hrs on 12 November 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - QLD to NSW - 12 November 2024.
Refer to market notice: 120301
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 0820 hrs on 12 November 2024.
This is an AEMO autogenerated Market Notice.