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124962RECLASSIFY CONTINGENCY20/02/2025 09:59:46 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: 20/02/2025 21:59
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 124961
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: 20/02/2025 21:59
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 124961
Auto-generated on behalf of Manager NEM Real Time Operations
124961RECLASSIFY CONTINGENCY20/02/2025 07:54:41 PM
Reclassification 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
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: Armidale - Dumaresq 8C 330kV and Armidale - Sapphire WF 8E 330kV
Duration: 20/02/2025 19:54 until further notice
Constraint set(s) invoked:
N-ARDM_ARSR_1PH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
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: Armidale - Dumaresq 8C 330kV and Armidale - Sapphire WF 8E 330kV
Duration: 20/02/2025 19:54 until further notice
Constraint set(s) invoked:
N-ARDM_ARSR_1PH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
Auto-generated on behalf of Manager NEM Real Time Operations
124959RECLASSIFY CONTINGENCY20/02/2025 06:39:46 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: 20/02/2025 18:39
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 124940
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: 20/02/2025 18:39
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 124940
Auto-generated on behalf of Manager NEM Real Time Operations
124944POWER SYSTEM EVENTS20/02/2025 04:52:41 PM
Non-credible contingency event - NSW region - 20/02/2025
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - NSW region - 20/02/2025
At 1619 hrs the Capital WF A and C 330kV Buses 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
Non-credible contingency event - NSW region - 20/02/2025
At 1619 hrs the Capital WF A and C 330kV Buses 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
124943MARKET INTERVENTION21/02/2025 03:58:26 AM
Cancellation: Direction issued to: AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
AEMO ELECTRICITY MARKET NOTICE
Cancellation: Direction issued to: AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
Refer to Market Notice 124889
Direction is cancelled from: 0400 hrs 21/02/2025
Manager NEM Real Time Operations
Cancellation: Direction issued to: AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
Refer to Market Notice 124889
Direction is cancelled from: 0400 hrs 21/02/2025
Manager NEM Real Time Operations
124942MARKET INTERVENTION20/02/2025 04:02:29 PM
Update Direction - Pelican Point Power Limited - PPCCGT PELICAN POINT
AEMO ELECTRICITY MARKET NOTICE.
Update Direction - Pelican Point Power Limited - PPCCGT PELICAN POINT
Refer to Market Notice 124890
PPCCGT PELICAN POINT at 0400 hrs 21/02/2025 to Remain synchronised and follow dispatch targets.
The PPCCGT PELICAN POINT direction is now expected to stay in place until 1500 hrs 21/02/2025.
The direction update is issued at 1600 hrs 20/02/2025.
Manager NEM Real Time Operations
Update Direction - Pelican Point Power Limited - PPCCGT PELICAN POINT
Refer to Market Notice 124890
PPCCGT PELICAN POINT at 0400 hrs 21/02/2025 to Remain synchronised and follow dispatch targets.
The PPCCGT PELICAN POINT direction is now expected to stay in place until 1500 hrs 21/02/2025.
The direction update is issued at 1600 hrs 20/02/2025.
Manager NEM Real Time Operations
124940RECLASSIFY CONTINGENCY20/02/2025 01:38:10 PM
Reclassification 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
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: Armidale - Dumaresq 8C 330kV and Armidale - Sapphire WF 8E 330kV
Duration: 20/02/2025 13:38 until further notice
Constraint set(s) invoked:
N-ARDM_ARSR_1PH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
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: Armidale - Dumaresq 8C 330kV and Armidale - Sapphire WF 8E 330kV
Duration: 20/02/2025 13:38 until further notice
Constraint set(s) invoked:
N-ARDM_ARSR_1PH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
Auto-generated on behalf of Manager NEM Real Time Operations
124893MARKET SYSTEMS19/02/2025 03:01:56 PM
Completed - CHG0101145 - Planned Maintenance to Norwest Internet Router
Change Number: CHG0101145
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Internet Access
Change Title: Planned Maintenance to Norwest Internet Router
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Internet Access
Change Title: Planned Maintenance to Norwest Internet Router
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
124890MARKET INTERVENTION19/02/2025 03:59:06 PM
Update Direction - Pelican Point Power Limited - PPCCGT PELICAN POINT
AEMO ELECTRICITY MARKET NOTICE.
Update Direction - Pelican Point Power Limited - PPCCGT PELICAN POINT
Refer to Market Notice 124832
PPCCGT PELICAN POINT at 0400 hrs 20/02/2025 to Remain synchronised and follow dispatch targets.
The PPCCGT PELICAN POINT direction is now expected to stay in place until 0400 hrs 21/02/2025.
The direction update is issued at 1600 hrs 19/02/2025.
Manager NEM Real Time Operations
Update Direction - Pelican Point Power Limited - PPCCGT PELICAN POINT
Refer to Market Notice 124832
PPCCGT PELICAN POINT at 0400 hrs 20/02/2025 to Remain synchronised and follow dispatch targets.
The PPCCGT PELICAN POINT direction is now expected to stay in place until 0400 hrs 21/02/2025.
The direction update is issued at 1600 hrs 19/02/2025.
Manager NEM Real Time Operations