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119943RECLASSIFY CONTINGENCY06/11/2024 08:21:31 AM
Reclassification of a Non-Credible Contingency Event: Tungatinah-Lake Echo-Waddamana 1 110kV line and Tungatinah-Waddamana 2 110kV line in TAS1 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: TAS1
Lines: Tungatinah-Lake Echo-Waddamana 1 110kV and Tungatinah-Waddamana 2 110kV
Duration: 06/11/2024 08:21 until further notice
Constraint set(s) invoked:
T-TUWA12_110_N-2 Constraint set contains the following interconnector(s) on the left hand side:
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: TAS1
Lines: Tungatinah-Lake Echo-Waddamana 1 110kV and Tungatinah-Waddamana 2 110kV
Duration: 06/11/2024 08:21 until further notice
Constraint set(s) invoked:
T-TUWA12_110_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
119942SETTLEMENTS RESIDUE06/11/2024 08:05:21 AM
[EventId:202411060805_NRM_SA1_VIC1_started] NEGRES CONSTRAINT NRM_SA1_VIC1 started operating from 06 November 2024 08:05
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 0805 hrs on 6 November 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - SA to VIC - 6 November 2024.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the SA to VIC directional interconnector.
The negative residue constraint set NRM_SA1_VIC1 commenced operating from 0805 hrs on 6 November 2024.
This constraint set contains an equation with the following interconnectors on the LHS:
V-S-MNSP1
V-SA
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 0805 hrs on 6 November 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - SA to VIC - 6 November 2024.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the SA to VIC directional interconnector.
The negative residue constraint set NRM_SA1_VIC1 commenced operating from 0805 hrs on 6 November 2024.
This constraint set contains an equation with the following interconnectors on the LHS:
V-S-MNSP1
V-SA
The RHS of the constraint equation may be adjusted to manage residues.
This is an AEMO autogenerated Market Notice.
119934MARKET INTERVENTION06/11/2024 01:08:35 AM
Update Direction - AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN
AEMO ELECTRICITY MARKET NOTICE.
Update Direction - AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN
Refer AEMO Electricity Participant Notice 119931
The TORRB4 TORRENS ISLAN unit is now expected to synchronise at 0230 hrs 06/11/2024 direction is now expected to stay in place until 1700 hrs 06/11/2024.
The direction update is issued at 0105 hrs 06/11/2024.
Manager NEM Real Time Operations
Update Direction - AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN
Refer AEMO Electricity Participant Notice 119931
The TORRB4 TORRENS ISLAN unit is now expected to synchronise at 0230 hrs 06/11/2024 direction is now expected to stay in place until 1700 hrs 06/11/2024.
The direction update is issued at 0105 hrs 06/11/2024.
Manager NEM Real Time Operations
119931MARKET INTERVENTION05/11/2024 09:54:45 PM
Update Direction - AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN
AEMO ELECTRICITY MARKET NOTICE.
Update Direction - AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN
Refer AEMO Electricity Participant Notice 119929
The TORRB4 TORRENS ISLAN unit is now expected to synchronise at 0200 hrs 06/11/2024 direction is now expected to stay in place until 1700 hrs 06/11/2024.
The direction update is issued at 2155 hrs 05/11/2024.
Manager NEM Real Time Operations
Update Direction - AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN
Refer AEMO Electricity Participant Notice 119929
The TORRB4 TORRENS ISLAN unit is now expected to synchronise at 0200 hrs 06/11/2024 direction is now expected to stay in place until 1700 hrs 06/11/2024.
The direction update is issued at 2155 hrs 05/11/2024.
Manager NEM Real Time Operations
119929MARKET INTERVENTION05/11/2024 06:55:47 PM
Update Direction - AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN
AEMO ELECTRICITY MARKET NOTICE.
Update Direction - AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN
Refer AEMO Electricity Participant Notice 119924
The TORRB4 TORRENS ISLAN unit is now expected to synchronise at 2330 hrs 05/11/2024 direction is now expected to stay in place until 1700 hrs 06/11/2024.
The direction update is issued at 1855 hrs 05/11/2024.
Manager NEM Real Time Operations
Update Direction - AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN
Refer AEMO Electricity Participant Notice 119924
The TORRB4 TORRENS ISLAN unit is now expected to synchronise at 2330 hrs 05/11/2024 direction is now expected to stay in place until 1700 hrs 06/11/2024.
The direction update is issued at 1855 hrs 05/11/2024.
Manager NEM Real Time Operations
119928RECLASSIFY CONTINGENCY05/11/2024 06:24:26 PM
Cancellation of a Non-Credible Contingency Event: Armidale - Dumaresq 8C 330kV line and Armidale - Sapphire WF 8E 330kV 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: Armidale - Dumaresq 8C 330kV and Armidale - Sapphire WF 8E 330kV
Cancellation time: 05/11/2024 18:24
Constraint set(s) revoked:
N-ARDM_ARSR_1PH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
Refer AEMO Electricity Market Notice 119916
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: Armidale - Dumaresq 8C 330kV and Armidale - Sapphire WF 8E 330kV
Cancellation time: 05/11/2024 18:24
Constraint set(s) revoked:
N-ARDM_ARSR_1PH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
Refer AEMO Electricity Market Notice 119916
Auto-generated on behalf of Manager NEM Real Time Operations
119924MARKET INTERVENTION05/11/2024 04:14:12 PM
Update Direction - AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN
AEMO ELECTRICITY MARKET NOTICE.
Update Direction - AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN
Refer AEMO Electricity Participant Notice 119875
The TORRB4 TORRENS ISLAN direction is now expected to stay in place until 1700 hrs 06/11/2024.
The direction update is issued at 1610 hrs 05/11/2024.
Manager NEM Real Time Operations
Update Direction - AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN
Refer AEMO Electricity Participant Notice 119875
The TORRB4 TORRENS ISLAN direction is now expected to stay in place until 1700 hrs 06/11/2024.
The direction update is issued at 1610 hrs 05/11/2024.
Manager NEM Real Time Operations
119923MARKET INTERVENTION05/11/2024 04:12:51 PM
Update Direction - AGL SA Generation Pty Limited - TORRB3 TORRENS ISLAN
AEMO ELECTRICITY MARKET NOTICE.
Update Direction - AGL SA Generation Pty Limited - TORRB3 TORRENS ISLAN
Refer AEMO Electricity Participant Notice 119875
The TORRB3 TORRENS ISLAN direction is now expected to stay in place until 1600 hrs 06/11/2024.
The direction update is issued at 1610 hrs 05/11/2024.
Manager NEM Real Time Operations
Update Direction - AGL SA Generation Pty Limited - TORRB3 TORRENS ISLAN
Refer AEMO Electricity Participant Notice 119875
The TORRB3 TORRENS ISLAN direction is now expected to stay in place until 1600 hrs 06/11/2024.
The direction update is issued at 1610 hrs 05/11/2024.
Manager NEM Real Time Operations
119922MARKET INTERVENTION05/11/2024 03:31:29 PM
Update Direction - AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN
AEMO ELECTRICITY MARKET NOTICE.
Update Direction - AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN
Refer AEMO Electricity Participant Notice 119875
The TORRB4 TORRENS ISLAN direction is now expected to stay in place until 1600 hrs 06/11/2024.
The direction update is issued at 1530 hrs 05/11/2024.
Manager NEM Real Time Operations
Update Direction - AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN
Refer AEMO Electricity Participant Notice 119875
The TORRB4 TORRENS ISLAN direction is now expected to stay in place until 1600 hrs 06/11/2024.
The direction update is issued at 1530 hrs 05/11/2024.
Manager NEM Real Time Operations