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117487POWER SYSTEM EVENTS27/07/2024 10:52:18 AM
Correction - Non-credible contingency event - QLD region - 27/07/2024
AEMO ELECTRICITY MARKET NOTICE.
Correction to Market Notice 117486
Non-credible contingency event - QLD region - 27/07/2024
At 0951 hrs the H38 Goodna No. 2 275kV Bus and the H38 Goodna No. 1 275/132kV transformer 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
Correction to Market Notice 117486
Non-credible contingency event - QLD region - 27/07/2024
At 0951 hrs the H38 Goodna No. 2 275kV Bus and the H38 Goodna No. 1 275/132kV transformer 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
117486POWER SYSTEM EVENTS27/07/2024 10:26:53 AM
Non-credible contingency event - QLD region - 27/07/2024
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - QLD region - 27/07/2024
At 0951 hrs the H3 Goodna No. 2 275kV Bus and the H3 Goodna No. 1 275/132kV transformer 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 - 27/07/2024
At 0951 hrs the H3 Goodna No. 2 275kV Bus and the H3 Goodna No. 1 275/132kV transformer 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
117466GENERAL NOTICE30/07/2024 09:20:28 PM
Network Augmentation Commissioned - VIC Region - 30/07/2024
AEMO ELECTRICITY MARKET NOTICE
Network Augmentation Commissioned - VIC Region - 30/07/2024
Cressy Terminal Station has been cut into the existing Moorabool - Mortlake No.2 500 kV line to form the following circuits:
Cressy - Mortlake No.2 500 kV line
Cressy - Moorabool No.2 500 kV line
Manager NEM Real Time Operations
Network Augmentation Commissioned - VIC Region - 30/07/2024
Cressy Terminal Station has been cut into the existing Moorabool - Mortlake No.2 500 kV line to form the following circuits:
Cressy - Mortlake No.2 500 kV line
Cressy - Moorabool No.2 500 kV line
Manager NEM Real Time Operations
117356GENERAL NOTICE18/07/2024 09:06:38 PM
Network Augmentation Commissioned - VIC Region - 18/07/2024
AEMO ELECTRICITY MARKET NOTICE
Network Augmentation Commissioned - VIC Region - 18/07/2024
At 2044 hrs 18,07/2024, Cressy Terminal Station has been cut into the existing Moorabool - Haunted Gully No.1 500 kV line to form the following circuits:
Cressy - Haunted Gully No 1 500 kV line
Cressy - Moorabool No 1 500 kV line
Manager NEM Real Time Operations
Network Augmentation Commissioned - VIC Region - 18/07/2024
At 2044 hrs 18,07/2024, Cressy Terminal Station has been cut into the existing Moorabool - Haunted Gully No.1 500 kV line to form the following circuits:
Cressy - Haunted Gully No 1 500 kV line
Cressy - Moorabool No 1 500 kV line
Manager NEM Real Time Operations
117286RESERVE NOTICE03/07/2024 08:10:15 PM
Cancellation of Actual (LOR1) condition in the NSW region - 03/07/2024
AEMO ELECTRICITY MARKET NOTICE
Cancellation of Actual (LOR1) condition in the NSW region - 03/07/2024
The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice No.117284 is cancelled at 2010 hrs 03/07/2024.
Manager NEM Real Time Operations
Cancellation of Actual (LOR1) condition in the NSW region - 03/07/2024
The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice No.117284 is cancelled at 2010 hrs 03/07/2024.
Manager NEM Real Time Operations
117284RESERVE NOTICE03/07/2024 05:42:34 PM
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 03/07/2024
AEMO ELECTRICITY MARKET NOTICE
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 03/07/2024
An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1730 hrs.
The Actual LOR1 condition is forecast to exist until 1930 hrs
The capacity reserve requirement is 1400 MW
The minimum capacity reserve available is 766 MW
Manager NEM Real Time Operations
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 03/07/2024
An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1730 hrs.
The Actual LOR1 condition is forecast to exist until 1930 hrs
The capacity reserve requirement is 1400 MW
The minimum capacity reserve available is 766 MW
Manager NEM Real Time Operations
117238GENERAL NOTICE28/06/2024 08:43:51 AM
Fast Frequency Response Market - Dispatch of R1 and L1 FCAS in the SA region during island conditions from 1 July 2024
AEMO ELECTRICITY MARKET NOTICE
From 1 July 2024 AEMO will dispatch R1 and L1 FCAS locally in the SA region during conditions of actual islanding of the SA region.
This follows the end of contracts for Fast Frequency Response (FFR) in the SA region.
The dispatch of R1 and L1 FCAS under these island conditions will not be capped.
These changes are only applicable for conditions of actual SA islanding from the rest of the NEM.
No other changes to the dispatch of R1 and L1 FCAS will be made on this date.
For information on the Fast Frequency Response (FFR) initiative please visit the website at: https://www.aemo.com.au/initiatives/major-programs/fast-frequency-response
Andrew Groom
AEMO Operations
From 1 July 2024 AEMO will dispatch R1 and L1 FCAS locally in the SA region during conditions of actual islanding of the SA region.
This follows the end of contracts for Fast Frequency Response (FFR) in the SA region.
The dispatch of R1 and L1 FCAS under these island conditions will not be capped.
These changes are only applicable for conditions of actual SA islanding from the rest of the NEM.
No other changes to the dispatch of R1 and L1 FCAS will be made on this date.
For information on the Fast Frequency Response (FFR) initiative please visit the website at: https://www.aemo.com.au/initiatives/major-programs/fast-frequency-response
Andrew Groom
AEMO Operations
117210POWER SYSTEM EVENTS27/06/2024 09:01:59 AM
Non-credible contingency event - NSW region - 27/06/2024
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - NSW region - 27/06/2024
At 0845 hrs the Sydney West No.1 330 kV SVC tripped during switching for planned outage of Sydney West No.4 330/132 kV transformer.
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 - 27/06/2024
At 0845 hrs the Sydney West No.1 330 kV SVC tripped during switching for planned outage of Sydney West No.4 330/132 kV transformer.
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
117132POWER SYSTEM EVENTS25/06/2024 10:20:35 AM
Non-credible contingency event - NSW region - 25/06/2024
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - NSW region - 25/06/2024
At 0901 hrs the Sydney West No.1 330 kV SVC tripped during switching for planned outage of Sydney West No.4 330/132 kV transformer.
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 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
Non-credible contingency event - NSW region - 25/06/2024
At 0901 hrs the Sydney West No.1 330 kV SVC tripped during switching for planned outage of Sydney West No.4 330/132 kV transformer.
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 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