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115975POWER SYSTEM EVENTS05/04/2024 06:57:00 PM
Update - Non-credible contingency event - SA region - 25/03/2024
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - SA region - 25/03/2024
Refer AEMO Electricity Market Notice 115794
At 1736 hrs Torrens Island BC3 275 kV CB was returned to service.
Torrens Island BW3 275 kV CB and Torrens Island - Lefevre 275 kV line previously returned to service.
The cause of this non-credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.
AEMO will not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations
Update - Non-credible contingency event - SA region - 25/03/2024
Refer AEMO Electricity Market Notice 115794
At 1736 hrs Torrens Island BC3 275 kV CB was returned to service.
Torrens Island BW3 275 kV CB and Torrens Island - Lefevre 275 kV line previously returned to service.
The cause of this non-credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.
AEMO will not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations
115974GENERAL NOTICE09/04/2024 06:18:24 PM
Update - Network Augmentation Commissioned - QLD Region - 09/04/2024
AEMO ELECTRICITY MARKET NOTICE
Update - Network Augmentation Commissioned - QLD Region - 09/04/2024
Refer Market notice: 115957
Guybal Munjan 275 kV Switching Station has been cut into the existing Ross - Chalumbin No.858 275 kV line to form the following circuits:
H93 Guybal Munjan - H32 Chalumbin No.858 275 kV line
H13 Ross - H93 Guybal Munjan No.8916 275 kV line
Manager NEM Real Time Operations
Update - Network Augmentation Commissioned - QLD Region - 09/04/2024
Refer Market notice: 115957
Guybal Munjan 275 kV Switching Station has been cut into the existing Ross - Chalumbin No.858 275 kV line to form the following circuits:
H93 Guybal Munjan - H32 Chalumbin No.858 275 kV line
H13 Ross - H93 Guybal Munjan No.8916 275 kV line
Manager NEM Real Time Operations
115957GENERAL NOTICE04/04/2024 02:36:06 PM
Network Augmentation Commissioned - QLD Region - 04/04/2024
AEMO ELECTRICITY MARKET NOTICE
Network Augmentation Commissioned - QLD Region - 04/04/2024
Commissioned:
H93 Guybal Munjan 275 kV Switching Station
H13 Ross - H93 Guybal Munjan No.8916 275 kV line
Manager NEM Real Time Operations
Network Augmentation Commissioned - QLD Region - 04/04/2024
Commissioned:
H93 Guybal Munjan 275 kV Switching Station
H13 Ross - H93 Guybal Munjan No.8916 275 kV line
Manager NEM Real Time Operations
115948POWER SYSTEM EVENTS03/04/2024 11:45:55 PM
Non-credible contingency event - QLD region - 03/04/2024
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - QLD region - 03/04/2024
At 2322 hrs the Kareeya PS units 1, 2, 3 and 4 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 - QLD region - 03/04/2024
At 2322 hrs the Kareeya PS units 1, 2, 3 and 4 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
115947POWER SYSTEM EVENTS03/04/2024 11:16:35 PM
Update - Non-credible contingency event - NSW region - 03/04/2024
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - NSW region - 03/04/2024
Refer AEMO Electricity Market Notice 115944
At 2301 hrs the Eraring Power Station Unit 1 and Unit 2 were returned to service.
The cause of this non-credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.
AEMO will not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations
Update - Non-credible contingency event - NSW region - 03/04/2024
Refer AEMO Electricity Market Notice 115944
At 2301 hrs the Eraring Power Station Unit 1 and Unit 2 were returned to service.
The cause of this non-credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.
AEMO will not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations
115944POWER SYSTEM EVENTS03/04/2024 02:21:43 PM
Non-credible contingency event - NSW region - 03/04/2024
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - NSW region - 03/04/2024
At 1322 hrs the Eraring Power Station Unit 1 and the Eraring Power Station Unit 2 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 - 03/04/2024
At 1322 hrs the Eraring Power Station Unit 1 and the Eraring Power Station Unit 2 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
115919INTER-REGIONAL TRANSFER02/04/2024 07:43:53 AM
Inter-regional transfer limit variation - Pelican Point to Parafield Gardens West 275kV Line - SA region - 02/04/2024
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Pelican Point to Parafield Gardens West 275kV Line - SA region - 02/04/2024
A planned outage of Pelican Point to Parafield Gardens West 275kV Line in the SA region was scheduled from 0730 hrs 02/04/2024 to 1530 hrs 02/04/2024.
The outage has been cancelled at 0718 hrs 02/04/2024
Constraint set(s) revoked: S-PGPP, S-PPPG_PELPT
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-SA
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Pelican Point to Parafield Gardens West 275kV Line - SA region - 02/04/2024
A planned outage of Pelican Point to Parafield Gardens West 275kV Line in the SA region was scheduled from 0730 hrs 02/04/2024 to 1530 hrs 02/04/2024.
The outage has been cancelled at 0718 hrs 02/04/2024
Constraint set(s) revoked: S-PGPP, S-PPPG_PELPT
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-SA
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
115841POWER SYSTEM EVENTS27/03/2024 07:45:22 PM
Non-credible contingency event - VIC region - 27/03/2024
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - VIC region - 27/03/2024
At 1736 hrs the Terang to Mortlake South 220 kV line opened at the Terang end only.
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 - 27/03/2024
At 1736 hrs the Terang to Mortlake South 220 kV line opened at the Terang end only.
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
115833POWER SYSTEM EVENTS27/03/2024 03:48:18 PM
Non-credible contingency event - SA region - Torrens Island 27/03/2024
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - SA region - Torrens Island 27/03/2024
At 1529 hrs there was an unplanned outage of the following elements:
Torrens Island A 275 kV West Bus
Torrens Island AC3 275 kV CB
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 - SA region - Torrens Island 27/03/2024
At 1529 hrs there was an unplanned outage of the following elements:
Torrens Island A 275 kV West Bus
Torrens Island AC3 275 kV CB
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