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116095POWER SYSTEM EVENTS12/04/2024 11:22:09 AM
Non-credible contingency event - TAS region - 12/04/2024
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - TAS region - 12/04/2024
At 1048 hrs the Sheffield - Farrell No.2 220 kV line tripped during restoration due to fault on the line.
AEMO did not instruct load shedding.
AEMO has been advised of disconnection of major industrial load approximately 550 MW.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
Non-credible contingency event - TAS region - 12/04/2024
At 1048 hrs the Sheffield - Farrell No.2 220 kV line tripped during restoration due to fault on the line.
AEMO did not instruct load shedding.
AEMO has been advised of disconnection of major industrial load approximately 550 MW.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
116078POWER SYSTEM EVENTS10/04/2024 03:44:19 PM
Update - Non-credible contingency event - QLD region - 10/04/2024
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - QLD region - 10/04/2024
Refer AEMO Electricity Market Notice 116072
At 1540 hrs the Ingham South to Cardwell 132 kV line was 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 - QLD region - 10/04/2024
Refer AEMO Electricity Market Notice 116072
At 1540 hrs the Ingham South to Cardwell 132 kV line was 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
116074GENERAL NOTICE10/04/2024 11:06:19 AM
Fast Frequency Response Market - Increase in R1 and L1 FCAS dispatch caps from 15 April 2024
AEMO ELECTRICITY MARKET NOTICE
Following review of the operation of the Very Fast FCAS market, from 1300 hrs AEST on Monday 15 April AEMO will:
Increase the cap on dispatch of Very Fast Raise (R1) Contingency FCAS from 250 MW to 325 MW
Increase the cap on dispatch of Very Fast Lower (L1) Contingency FCAS from 125 MW to 200 MW
No other changes to the dispatch of Very Fast FCAS or FCAS constraint equation changes 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
Following review of the operation of the Very Fast FCAS market, from 1300 hrs AEST on Monday 15 April AEMO will:
Increase the cap on dispatch of Very Fast Raise (R1) Contingency FCAS from 250 MW to 325 MW
Increase the cap on dispatch of Very Fast Lower (L1) Contingency FCAS from 125 MW to 200 MW
No other changes to the dispatch of Very Fast FCAS or FCAS constraint equation changes 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
116072POWER SYSTEM EVENTS10/04/2024 09:08:03 AM
Non-credible contingency event - QLD region - 10/04/2024
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - QLD region - 10/04/2024
At 0730 hrs the Ingham South to Cardwell 132 kV line tripped at the Ingham South 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 - QLD region - 10/04/2024
At 0730 hrs the Ingham South to Cardwell 132 kV line tripped at the Ingham South 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
116052GENERAL NOTICE09/04/2024 11:26:28 AM
Increase to QNI limit to next hold point of 850 MW NSW to Qld
AEMO ELECTRICITY MARKET NOTICE
Refer to market notices 114742.
AEMO, TransGrid, Powerlink have reviewed the test results following the QNI minor testing on 15th February 2024. The next hold point can now be released.
The hold point of 850 MW from NSW to Qld will be implemented as of 1000 hrs 10th April 2024.
Please also refer to the published formal QNI minor testing information at the following link:
https://www.aemo.com.au/consultations/current-and-closed-consultations/qld-to-nsw-interconnector-qni-upgrade
Ben Blake
AEMO Operations
Refer to market notices 114742.
AEMO, TransGrid, Powerlink have reviewed the test results following the QNI minor testing on 15th February 2024. The next hold point can now be released.
The hold point of 850 MW from NSW to Qld will be implemented as of 1000 hrs 10th April 2024.
Please also refer to the published formal QNI minor testing information at the following link:
https://www.aemo.com.au/consultations/current-and-closed-consultations/qld-to-nsw-interconnector-qni-upgrade
Ben Blake
AEMO Operations
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