Filter by:
Filter by category
Filter by Date
From
To
119032RECLASSIFY CONTINGENCY18/10/2024 04:29:16 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: 18/10/2024 16:29 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: 18/10/2024 16:29 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
119031RECLASSIFY CONTINGENCY18/10/2024 04:19:15 PM
Cancellation of a Non-Credible Contingency Event: Eildon PS - Mt Beauty No.1 220 kV line and Eildon PS - Mt Beauty No.2 220 kV line in VIC1 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: VIC1
Lines: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV
Cancellation time: 18/10/2024 16:19
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 119022
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: VIC1
Lines: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV
Cancellation time: 18/10/2024 16:19
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 119022
Auto-generated on behalf of Manager NEM Real Time Operations
119030RECLASSIFY CONTINGENCY18/10/2024 03:58:05 PM
Update - Non-credible contingency event - VIC region - 18/10/2024
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - VIC region - 18/10/2024
Refer AEMO Electricity Market Notice 119029
The cause of this non credible contingency event is not known at this stage.
AEMO is not satisfied that this non credible event is unlikely to re-occur.
AEMO has therefore reclassified this event as a credible contingency event until further notice.
Region: VIC
Elements: Rowville - Yallourn No. 7 220 kV Line and the Rowville - Yallourn No. 8 220 kV Line
Duration: 1600 hrs 18/10/2024 until further notice
Manager NEM Real Time Operations
Update - Non-credible contingency event - VIC region - 18/10/2024
Refer AEMO Electricity Market Notice 119029
The cause of this non credible contingency event is not known at this stage.
AEMO is not satisfied that this non credible event is unlikely to re-occur.
AEMO has therefore reclassified this event as a credible contingency event until further notice.
Region: VIC
Elements: Rowville - Yallourn No. 7 220 kV Line and the Rowville - Yallourn No. 8 220 kV Line
Duration: 1600 hrs 18/10/2024 until further notice
Manager NEM Real Time Operations
119029POWER SYSTEM EVENTS18/10/2024 03:48:56 PM
Non-credible contingency event - VIC region - 18/10/2024
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - VIC region - 18/10/2024
At 1525 hrs the Rowville - Yallourn No. 7 220 kV Line and the Rowville - Yallourn No. 8 220 kV Line tripped and auto-reclosed.
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 - VIC region - 18/10/2024
At 1525 hrs the Rowville - Yallourn No. 7 220 kV Line and the Rowville - Yallourn No. 8 220 kV Line tripped and auto-reclosed.
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
119028RESERVE NOTICE18/10/2024 03:29:54 PM
PDPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region on 18/10/2024
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR1 condition in the QLD region advised in AEMO Electricity Market Notice No. 119019 is cancelled at 1500 hrs 18/10/2024.
Manager NEM Real Time Operations
The Forecast LOR1 condition in the QLD region advised in AEMO Electricity Market Notice No. 119019 is cancelled at 1500 hrs 18/10/2024.
Manager NEM Real Time Operations
119027GENERAL NOTICE18/10/2024 08:01:30 PM
Network Augmentation Commissioned - NSW Region - 18/10/2024
AEMO ELECTRICITY MARKET NOTICE
A network augmentation has been commissioned in the NSW region at 2000 hrs 18/10/2024 as follows:
Stubo 330kV switching station has been cut into the existing Wellington - Wollar West 79 330 kV line to form the following circuits:
Wellington - Stubo SF 79 330 kV Transmission Line
Wollar West - Stubo SF 7M 330 kV Transmission Line
Manager NEM Real Time Operations
A network augmentation has been commissioned in the NSW region at 2000 hrs 18/10/2024 as follows:
Stubo 330kV switching station has been cut into the existing Wellington - Wollar West 79 330 kV line to form the following circuits:
Wellington - Stubo SF 79 330 kV Transmission Line
Wollar West - Stubo SF 7M 330 kV Transmission Line
Manager NEM Real Time Operations
119026MARKET INTERVENTION18/10/2024 04:00:48 PM
Direction - AGL SA Generation Pty Limited - TORRB3 TORRENS ISLAN
AEMO ELECTRICITY MARKET NOTICE
Direction - AGL SA Generation Pty Limited - TORRB3 TORRENS ISLAN
In accordance with section 116 of the National Electricity Law, AEMO is issuing a direction to AGL SA Generation Pty Limited. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a1)(1).
Direction issued to: AGL SA Generation Pty Limited - TORRB3 TORRENS ISLAN at 1600 hrs 18/10/2024
Type of resource: generating unit
Required actions: Synchronise and follow dispatch targets at 1100 hrs 19/10/2024
Services provided: Voltage Control
Circumstances necessitating the Direction: Voltage
Circumstances necessitating the Direction additional detail: intervention is required to maintain the power system in a secure operating state
Expected duration: 0400 hrs 20/10/2024.
AGL SA Generation Pty Limited does not incur any civil monetary liability for a relevant action taken in accordance with this direction unless the action is taken in bad faith.
Manager NEM Real Time Operations
Direction - AGL SA Generation Pty Limited - TORRB3 TORRENS ISLAN
In accordance with section 116 of the National Electricity Law, AEMO is issuing a direction to AGL SA Generation Pty Limited. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a1)(1).
Direction issued to: AGL SA Generation Pty Limited - TORRB3 TORRENS ISLAN at 1600 hrs 18/10/2024
Type of resource: generating unit
Required actions: Synchronise and follow dispatch targets at 1100 hrs 19/10/2024
Services provided: Voltage Control
Circumstances necessitating the Direction: Voltage
Circumstances necessitating the Direction additional detail: intervention is required to maintain the power system in a secure operating state
Expected duration: 0400 hrs 20/10/2024.
AGL SA Generation Pty Limited does not incur any civil monetary liability for a relevant action taken in accordance with this direction unless the action is taken in bad faith.
Manager NEM Real Time Operations
119025MARKET INTERVENTION18/10/2024 03:59:21 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 118991
The TORRB4 TORRENS ISLAN direction is now expected to stay in place until 0400 hrs 20/10/2024.
The direction update is issued at 1600 hrs 18/10/2024.
Manager NEM Real Time Operations
Update Direction - AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN
Refer AEMO Electricity Participant Notice 118991
The TORRB4 TORRENS ISLAN direction is now expected to stay in place until 0400 hrs 20/10/2024.
The direction update is issued at 1600 hrs 18/10/2024.
Manager NEM Real Time Operations
119024MARKET INTERVENTION18/10/2024 03:56:24 PM
Update Direction - Synergen Power Pty Limited - MINTARO MINTARO GAS
AEMO ELECTRICITY MARKET NOTICE.
Update Direction - Synergen Power Pty Limited - MINTARO MINTARO GAS
Refer AEMO Electricity Participant Notice 118990
The MINTARO MINTARO GAS direction is now expected to stay in place until 1100 hrs 19/10/2024.
The direction update is issued at 1600 hrs 18/10/2024.
Manager NEM Real Time Operations
Update Direction - Synergen Power Pty Limited - MINTARO MINTARO GAS
Refer AEMO Electricity Participant Notice 118990
The MINTARO MINTARO GAS direction is now expected to stay in place until 1100 hrs 19/10/2024.
The direction update is issued at 1600 hrs 18/10/2024.
Manager NEM Real Time Operations