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91737PRICES SUBJECT TO REVIEW15/10/2021 01:50:23 PM
[EventId:202110151355_review] Prices for interval 15-Oct-2021 13:55 are subject to review
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1350 hrs on 15 October 2021
PRICES ARE SUBJECT TO REVIEW for trading interval 15-Oct-2021 13:55.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1350 hrs on 15 October 2021
PRICES ARE SUBJECT TO REVIEW for trading interval 15-Oct-2021 13:55.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
91736PRICES SUBJECT TO REVIEW15/10/2021 01:45:18 PM
[EventId:202110151350_review] Prices for interval 15-Oct-2021 13:50 are subject to review
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1345 hrs on 15 October 2021
PRICES ARE SUBJECT TO REVIEW for trading interval 15-Oct-2021 13:50.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1345 hrs on 15 October 2021
PRICES ARE SUBJECT TO REVIEW for trading interval 15-Oct-2021 13:50.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
91731RECLASSIFY CONTINGENCY15/10/2021 12:24:35 PM
Cancellation of a Non-Credible Contingency Event: Tarong - Chinchilla No.7168 132 kV line and Tarong - Chinchilla No.7183 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: Tarong - Chinchilla No.7168 132 kV and Tarong - Chinchilla No.7183 132 kV
Cancellation time: 15/10/2021 12:24
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 91724
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: Tarong - Chinchilla No.7168 132 kV and Tarong - Chinchilla No.7183 132 kV
Cancellation time: 15/10/2021 12:24
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 91724
Auto-generated on behalf of Manager NEM Real Time Operations
91730RECLASSIFY CONTINGENCY15/10/2021 10:54:37 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: 15/10/2021 10:54
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 91728
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: 15/10/2021 10:54
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 91728
Auto-generated on behalf of Manager NEM Real Time Operations
91729RECLASSIFY CONTINGENCY15/10/2021 10:04:35 AM
Cancellation of a Non-Credible Contingency Event: Lismore - Dunoon 9U6 132kV line and Lismore - Dunoon 9U7 132kV 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: Lismore - Dunoon 9U6 132kV and Lismore - Dunoon 9U7 132kV
Cancellation time: 15/10/2021 10:04
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 91726
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: Lismore - Dunoon 9U6 132kV and Lismore - Dunoon 9U7 132kV
Cancellation time: 15/10/2021 10:04
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 91726
Auto-generated on behalf of Manager NEM Real Time Operations
91728RECLASSIFY CONTINGENCY15/10/2021 09:52:35 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: 15/10/2021 09:52 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: 15/10/2021 09:52 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
91727SETTLEMENTS RESIDUE15/10/2021 09:30:24 AM
[EventId:202110150930_NRM_QLD1_NSW1_stopped] NEGRES CONSTRAINT NRM_QLD1_NSW1 ceased operating from 15 October 2021 09:30
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 0930 hrs on 15 October 2021
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - QLD to NSW - 15 October 2021.
Refer to market notice: 91725
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 0930 hrs on 15 October 2021.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 0930 hrs on 15 October 2021
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - QLD to NSW - 15 October 2021.
Refer to market notice: 91725
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 0930 hrs on 15 October 2021.
This is an AEMO autogenerated Market Notice.
91726RECLASSIFY CONTINGENCY15/10/2021 09:03:20 AM
Reclassification of a Non-Credible Contingency Event: Lismore - Dunoon 9U6 132kV line and Lismore - Dunoon 9U7 132kV 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: Lismore - Dunoon 9U6 132kV and Lismore - Dunoon 9U7 132kV
Duration: 15/10/2021 09:03 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: Lismore - Dunoon 9U6 132kV and Lismore - Dunoon 9U7 132kV
Duration: 15/10/2021 09:03 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
91725SETTLEMENTS RESIDUE15/10/2021 08:20:21 AM
[EventId:202110150820_NRM_QLD1_NSW1_started] NEGRES CONSTRAINT NRM_QLD1_NSW1 started operating from 15 October 2021 08:20
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 0820 hrs on 15 October 2021
ACTUAL NEGATIVE SETTLEMENT RESIDUES - QLD to NSW - 15 October 2021.
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 0820 hrs on 15 October 2021.
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.
Issued by Australian Energy Market Operator Ltd at 0820 hrs on 15 October 2021
ACTUAL NEGATIVE SETTLEMENT RESIDUES - QLD to NSW - 15 October 2021.
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 0820 hrs on 15 October 2021.
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.