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116125INTER-REGIONAL TRANSFER15/04/2024 07:11:32 AM
Inter-regional transfer limit variation - Armidale 1 330kV SVC - NSW region - 15/04/2024
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Armidale 1 330kV SVC - NSW region - 15/04/2024
A planned outage of Armidale 1 330kV SVC in the NSW region was scheduled from 0700 hrs 15/04/2024 to 1500 hrs 20/04/2024.
The outage has been cancelled at 0700 hrs 15/04/2024
Constraint set(s) revoked: N-AR_VC1
This constraint set(s) contains equations with the following interconnectors on the LHS:
N-Q-MNSP1
NSW1-QLD1
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Armidale 1 330kV SVC - NSW region - 15/04/2024
A planned outage of Armidale 1 330kV SVC in the NSW region was scheduled from 0700 hrs 15/04/2024 to 1500 hrs 20/04/2024.
The outage has been cancelled at 0700 hrs 15/04/2024
Constraint set(s) revoked: N-AR_VC1
This constraint set(s) contains equations with the following interconnectors on the LHS:
N-Q-MNSP1
NSW1-QLD1
Manager NEM Real Time Operations
116098POWER SYSTEM EVENTS12/04/2024 01:39:23 PM
Update - Non-credible contingency event - TAS region - 12/04/2024
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - TAS region - 12/04/2024
Refer AEMO Electricity Market Notice 116095
At 1304 hrs the Sheffield - Farrell No.2 220 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 - TAS region - 12/04/2024
Refer AEMO Electricity Market Notice 116095
At 1304 hrs the Sheffield - Farrell No.2 220 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
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
116086INTER-REGIONAL TRANSFER11/04/2024 02:57:43 PM
Inter-regional transfer limit variation - Hazelwood - South Morang No. 1 500 kV Line - Vic region - 11/04/2024
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Hazelwood - South Morang No. 1 500 kV Line - Vic region - 11/04/2024
A planned outage of Hazelwood - South Morang No. 1 500 kV Line in the Vic region was scheduled from 0630 hrs 11/04/2024 to 1830 hrs 11/04/2024.
The outage has been completed and Hazelwood - South Morang No. 1 500 kV Line returned to service at 1450 hrs 11/04/2024.
Constraint set revoked: V-HWSM
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Hazelwood - South Morang No. 1 500 kV Line - Vic region - 11/04/2024
A planned outage of Hazelwood - South Morang No. 1 500 kV Line in the Vic region was scheduled from 0630 hrs 11/04/2024 to 1830 hrs 11/04/2024.
The outage has been completed and Hazelwood - South Morang No. 1 500 kV Line returned to service at 1450 hrs 11/04/2024.
Constraint set revoked: V-HWSM
Manager NEM Real Time Operations
116082INTER-REGIONAL TRANSFER11/04/2024 02:28:10 AM
Inter-Regional Transfer limit variation - Directlink - NSW Region
AEMO ELECTRICITY MARKET NOTICE
Inter-Regional Transfer limit variation - Directlink - NSW Region
There has been an unplanned outage of the No 3 Leg of Directlink .
The following constraint set was invoked at 0225 hrs 11/04/2024
N-X_MBTE_2
The constraint set contains the following interconnector on the left hand side.
N-Q-MNSP1
Refer AEMO Network Outage Scheduler (NOS) for further details.
Manager NEM Real Time Operations
Inter-Regional Transfer limit variation - Directlink - NSW Region
There has been an unplanned outage of the No 3 Leg of Directlink .
The following constraint set was invoked at 0225 hrs 11/04/2024
N-X_MBTE_2
The constraint set contains the following interconnector on the left hand side.
N-Q-MNSP1
Refer AEMO Network Outage Scheduler (NOS) for further details.
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