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STPASA - Forecast Lack Of Reserve Level 2 (LOR2) in the SA Region on 10/09/2024
AEMO ELECTRICITY MARKET NOTICE
AEMO declares a Forecast LOR2 condition under clause 4.8.4(b) of the National Electricity Rules for the SA region for the following period:
[1.] From 1830 hrs 10/09/2024 to 1900 hrs 10/09/2024.
The forecast capacity reserve requirement is 415 MW.
The minimum capacity reserve available is 385 MW.
AEMO is seeking a market response.
AEMO has not yet estimated the latest time it would need to intervene through an AEMO intervention event.
Manager NEM Real Time Operations
Update - Non-credible contingency event - VIC region - 06/09/2024
Update - Non-credible contingency event - VIC region - 06/09/2024
Refer AEMO Electricity Market Notice 118166
At 2005 hrs the Loy Yang PS No. 4 500 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
Prices for intervals on 05/09/2024 from 13:55 to 15:10 are now confirmed
Refer AEMO Electricity Market Notice 118149 and 118150.
PRICES ARE NOW REVISED to Market Suspension Pricing Schedule for trading intervals on 05/09/2024 from 1355 hrs to 1510 hrs.
Manager Electricity Market Monitoring
Non-credible contingency event - VIC region - 06/09/2024
Non-credible contingency event - VIC region - 06/09/2024
At 1222 hrs the Loy Yang PS No. 4 500 kV bus 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:202408291910_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 29 August 2024 19:10
Issued by Australian Energy Market Operator Ltd at 1910 hrs on 29 August 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 29 August 2024.
Refer to market notice: 117960
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 1910 hrs on 29 August 2024.
This is an AEMO autogenerated Market Notice.
[EventId:202408291805_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 29 August 2024 18:05
Issued by Australian Energy Market Operator Ltd at 1805 hrs on 29 August 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 29 August 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 1805 hrs on 29 August 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.
[EventId:202408291330_NRM_QLD1_NSW1_stopped] NEGRES CONSTRAINT NRM_QLD1_NSW1 ceased operating from 29 August 2024 13:30
Issued by Australian Energy Market Operator Ltd at 1330 hrs on 29 August 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - QLD to NSW - 29 August 2024.
Refer to market notice: 117941
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 1330 hrs on 29 August 2024.
This is an AEMO autogenerated Market Notice.
[EventId:202408291235_NRM_QLD1_NSW1_started] NEGRES CONSTRAINT NRM_QLD1_NSW1 started operating from 29 August 2024 12:35
Issued by Australian Energy Market Operator Ltd at 1235 hrs on 29 August 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - QLD to NSW - 29 August 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 1235 hrs on 29 August 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.
Update - Non-credible contingency event - VIC region - 28/08/2024
Update - Non-credible contingency event - VIC region - 28/08/2024
Refer AEMO Electricity Market Notice 117908
At 0134 hrs the APD No 2 Potline was returned to service.
At 0200 hrs the APD No 1 Potline 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