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92056RESERVE NOTICE30/10/2021 03:19:16 PM
PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region on 30/10/2021
AEMO ELECTRICITY MARKET NOTICE
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the QLD region for the following period:
[1.] From 1800 hrs 30/10/2021 to 1900 hrs 30/10/2021.
The forecast capacity reserve requirement is 1020 MW.
The minimum capacity reserve available is 860 MW.
Manager NEM Real Time Operations
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the QLD region for the following period:
[1.] From 1800 hrs 30/10/2021 to 1900 hrs 30/10/2021.
The forecast capacity reserve requirement is 1020 MW.
The minimum capacity reserve available is 860 MW.
Manager NEM Real Time Operations
92053NON-CONFORMANCE30/10/2021 07:15:15 AM
NON-CONFORMANCE Region NSW1 Saturday, 30 October 2021
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE NSW1 Region Saturday, 30 October 2021
AEMO declared a schedule generating unit non-conforming
Unit: SUNRSF1
Duration: 30/10/2021 07:05 to 30/10/2021 07:15
Amount: 53 MW
Constraint: NC-N_SUNRSF1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE NSW1 Region Saturday, 30 October 2021
AEMO declared a schedule generating unit non-conforming
Unit: SUNRSF1
Duration: 30/10/2021 07:05 to 30/10/2021 07:15
Amount: 53 MW
Constraint: NC-N_SUNRSF1
Auto-generated on behalf of Manager NEM Real Time Operations
92052RECLASSIFY CONTINGENCY30/10/2021 01:29:46 AM
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: 30/10/2021 01:29
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 92050
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: 30/10/2021 01:29
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 92050
Auto-generated on behalf of Manager NEM Real Time Operations
92051RECLASSIFY CONTINGENCY29/10/2021 11:29:45 PM
Cancellation of a Non-Credible Contingency Event: Condabri Nth - Condabri Central 7400 132kV line and Condabri Nth - Condabri Central 7401 132kV 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: Condabri Nth - Condabri Central 7400 132kV and Condabri Nth - Condabri Central 7401 132kV
Cancellation time: 29/10/2021 23:29
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 92049
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: Condabri Nth - Condabri Central 7400 132kV and Condabri Nth - Condabri Central 7401 132kV
Cancellation time: 29/10/2021 23:29
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 92049
Auto-generated on behalf of Manager NEM Real Time Operations
92050RECLASSIFY CONTINGENCY29/10/2021 10:27:15 PM
Reclassification 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
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: QLD1
Lines: Tarong - Chinchilla No.7168 132 kV and Tarong - Chinchilla No.7183 132 kV
Duration: 29/10/2021 22:27 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: QLD1
Lines: Tarong - Chinchilla No.7168 132 kV and Tarong - Chinchilla No.7183 132 kV
Duration: 29/10/2021 22:27 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
92049RECLASSIFY CONTINGENCY29/10/2021 09:24:03 PM
Reclassification of a Non-Credible Contingency Event: Condabri Nth - Condabri Central 7400 132kV line and Condabri Nth - Condabri Central 7401 132kV line in QLD1 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: QLD1
Lines: Condabri Nth - Condabri Central 7400 132kV and Condabri Nth - Condabri Central 7401 132kV
Duration: 29/10/2021 21:23 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: QLD1
Lines: Condabri Nth - Condabri Central 7400 132kV and Condabri Nth - Condabri Central 7401 132kV
Duration: 29/10/2021 21:23 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
92044SETTLEMENTS RESIDUE29/10/2021 02:30:18 PM
[EventId:202110291430_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 29 October 2021 14:30
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1430 hrs on 29 October 2021
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 29 October 2021.
Refer to market notice: 92043
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 1430 hrs on 29 October 2021.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1430 hrs on 29 October 2021
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 29 October 2021.
Refer to market notice: 92043
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 1430 hrs on 29 October 2021.
This is an AEMO autogenerated Market Notice.
92043SETTLEMENTS RESIDUE29/10/2021 01:30:36 PM
[EventId:202110291330_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 29 October 2021 13:30
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1330 hrs on 29 October 2021
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 29 October 2021.
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 1330 hrs on 29 October 2021.
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 1330 hrs on 29 October 2021
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 29 October 2021.
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 1330 hrs on 29 October 2021.
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.
92042GENERAL NOTICE29/10/2021 11:49:46 AM
Severe Space Weather Watch Notification 29/10/2021
AEMO ELECTRICITY MARKET NOTICE
Severe Space Weather Watch Notification 29/10/2021
The Australian Bureau of Meteorology's Space Weather branch has issued the following notification.
Severe space weather watch: A recent Coronal Mass Ejection associated with a solar flare is anticipated to impact the Earth within the next 48 hours.
With the increased risk a heightened awareness of critical infrastructure is advised.
If required; actions will be taken as per AEMO's system operating procedure SO_OP3715 Power System Security Guidelines.
Manager NEM Real Time Operations
Severe Space Weather Watch Notification 29/10/2021
The Australian Bureau of Meteorology's Space Weather branch has issued the following notification.
Severe space weather watch: A recent Coronal Mass Ejection associated with a solar flare is anticipated to impact the Earth within the next 48 hours.
With the increased risk a heightened awareness of critical infrastructure is advised.
If required; actions will be taken as per AEMO's system operating procedure SO_OP3715 Power System Security Guidelines.
Manager NEM Real Time Operations