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118527RECLASSIFY CONTINGENCY30/09/2024 03:43:56 AM
Cancellation of a Non-Credible Contingency Event: Bayswater - Mt Piper No.5A3 500kV line and Wollar - Mt Piper No.5A5 500kV line in NSW1 due to Lightning.
AEMO ELECTRICITY MARKET NOTICE
Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any lightning activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.
Region: NSW1
Lines: Bayswater - Mt Piper No.5A3 500kV and Wollar - Mt Piper No.5A5 500kV
Cancellation time: 30/09/2024 03:43
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 118526
Auto-generated on behalf of Manager NEM Real Time Operations
Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any lightning activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.
Region: NSW1
Lines: Bayswater - Mt Piper No.5A3 500kV and Wollar - Mt Piper No.5A5 500kV
Cancellation time: 30/09/2024 03:43
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 118526
Auto-generated on behalf of Manager NEM Real Time Operations
118526RECLASSIFY CONTINGENCY30/09/2024 01:41:19 AM
Reclassification of a Non-Credible Contingency Event: Bayswater - Mt Piper No.5A3 500kV line and Wollar - Mt Piper No.5A5 500kV line in NSW1 due to Lightning.
AEMO ELECTRICITY MARKET NOTICE
Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.
Region: NSW1
Lines: Bayswater - Mt Piper No.5A3 500kV and Wollar - Mt Piper No.5A5 500kV
Duration: 30/09/2024 01:41 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.
Region: NSW1
Lines: Bayswater - Mt Piper No.5A3 500kV and Wollar - Mt Piper No.5A5 500kV
Duration: 30/09/2024 01:41 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
118525SETTLEMENTS RESIDUE29/09/2024 07:00:26 PM
[EventId:202409291900_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 29 September 2024 19:00
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1900 hrs on 29 September 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 29 September 2024.
Refer to market notice: 118524
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 1900 hrs on 29 September 2024.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1900 hrs on 29 September 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 29 September 2024.
Refer to market notice: 118524
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 1900 hrs on 29 September 2024.
This is an AEMO autogenerated Market Notice.
118524SETTLEMENTS RESIDUE29/09/2024 06:20:24 PM
[EventId:202409291820_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 29 September 2024 18:20
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1820 hrs on 29 September 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 29 September 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 1820 hrs on 29 September 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.
Issued by Australian Energy Market Operator Ltd at 1820 hrs on 29 September 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 29 September 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 1820 hrs on 29 September 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.
118507NON-CONFORMANCE29/09/2024 09:05:25 AM
NON-CONFORMANCE Region QLD1 Sunday, 29 September 2024
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE QLD1 Region Sunday, 29 September 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: MPP_1
Duration: 29/09/2024 08:35 to 29/09/2024 09:05
Amount: -38 MW
Constraint: NC-Q_MPP_1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE QLD1 Region Sunday, 29 September 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: MPP_1
Duration: 29/09/2024 08:35 to 29/09/2024 09:05
Amount: -38 MW
Constraint: NC-Q_MPP_1
Auto-generated on behalf of Manager NEM Real Time Operations
118506INTER-REGIONAL TRANSFER29/09/2024 03:29:13 AM
Inter-regional transfer limit variation - Stockdill - Upper Tumut 1 330 kV line- NSW region - 29/09/2024
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Stockdill - Upper Tumut 1 330 kV line - NSW region - 29/09/2024
At 0313 hrs 29/09/2024 there was an unplanned outage of Stockdill - Upper Tumut 1 330 kV line.
The following constraint set invoked at 0320 hrs 29/09/2024
N-SDUT_1
This constraint set contains equations with the following interconnectors on the LHS.
V-S-MNSP1
VIC1-NSW1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Stockdill - Upper Tumut 1 330 kV line - NSW region - 29/09/2024
At 0313 hrs 29/09/2024 there was an unplanned outage of Stockdill - Upper Tumut 1 330 kV line.
The following constraint set invoked at 0320 hrs 29/09/2024
N-SDUT_1
This constraint set contains equations with the following interconnectors on the LHS.
V-S-MNSP1
VIC1-NSW1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
118489GENERAL NOTICE27/09/2024 09:51:41 PM
Network Augmentation Commissioned - NSW Region - 27/09/2024
AEMO ELECTRICITY MARKET NOTICE
A network augmentation has been commissioned in the NSW region at 2150 hrs 27/09/2024 as follows:
Walla Walla substation has been cut into the existing Wagga - Jinderra (62) 330 kV line to form the following circuits:
Jinderra - Walla Walla 62 330 kV Transmission Line
Walla Walla - Wagga 6Y 330 kV Transmission Line
Manager NEM Real Time Operations
A network augmentation has been commissioned in the NSW region at 2150 hrs 27/09/2024 as follows:
Walla Walla substation has been cut into the existing Wagga - Jinderra (62) 330 kV line to form the following circuits:
Jinderra - Walla Walla 62 330 kV Transmission Line
Walla Walla - Wagga 6Y 330 kV Transmission Line
Manager NEM Real Time Operations
118487RECLASSIFY CONTINGENCY27/09/2024 05:53:55 PM
Cancellation of a Non-Credible Contingency Event: Tumoulin - Woree No.877 275 kV line and Chalumbin - Turkinje No.7166 132 kV line in QLD1 due to Lightning.
AEMO ELECTRICITY MARKET NOTICE
Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any lightning activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.
Region: QLD1
Lines: Tumoulin - Woree No.877 275 kV and Chalumbin - Turkinje No.7166 132 kV
Cancellation time: 27/09/2024 17:53
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 118485
Auto-generated on behalf of Manager NEM Real Time Operations
Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any lightning activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.
Region: QLD1
Lines: Tumoulin - Woree No.877 275 kV and Chalumbin - Turkinje No.7166 132 kV
Cancellation time: 27/09/2024 17:53
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 118485
Auto-generated on behalf of Manager NEM Real Time Operations
118486RECLASSIFY CONTINGENCY27/09/2024 05:53:55 PM
Cancellation of a Non-Credible Contingency Event: Chalumbin - Turkinje No.7165 132 kV line and Chalumbin - Turkinje No.7166 132 kV line in QLD1 due to Lightning.
AEMO ELECTRICITY MARKET NOTICE
Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any lightning activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.
Region: QLD1
Lines: Chalumbin - Turkinje No.7165 132 kV and Chalumbin - Turkinje No.7166 132 kV
Cancellation time: 27/09/2024 17:53
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 118484
Auto-generated on behalf of Manager NEM Real Time Operations
Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any lightning activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.
Region: QLD1
Lines: Chalumbin - Turkinje No.7165 132 kV and Chalumbin - Turkinje No.7166 132 kV
Cancellation time: 27/09/2024 17:53
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 118484
Auto-generated on behalf of Manager NEM Real Time Operations