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126489RESERVE NOTICE10/04/2025 07:12:37 PM
Cancellation of Actual (LOR1) condition in the NSW region - 10/04/2025
AEMO ELECTRICITY MARKET NOTICE
Cancellation of Actual (LOR1) condition in the NSW region - 10/04/2025
The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice No.126487 is cancelled at 1910 hrs 10/04/2025.
Manager NEM Real Time Operations
Cancellation of Actual (LOR1) condition in the NSW region - 10/04/2025
The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice No.126487 is cancelled at 1910 hrs 10/04/2025.
Manager NEM Real Time Operations
126487RESERVE NOTICE10/04/2025 05:44:01 PM
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 10/04/2025
AEMO ELECTRICITY MARKET NOTICE
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 10/04/2025
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 1830 hrs
The capacity reserve requirement is 1585 MW
The minimum capacity reserve available is 1337 MW
Manager NEM Real Time Operations
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 10/04/2025
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 1830 hrs
The capacity reserve requirement is 1585 MW
The minimum capacity reserve available is 1337 MW
Manager NEM Real Time Operations
126466GENERAL NOTICE10/04/2025 11:12:18 AM
Release of PEC-1 and combined V-SA limits - 11 April 2025
AEMO ELECTRICITY MARKET NOTICE
Refer to market notice 123956
AEMO, Transgrid and Electranet have reviewed the test results following the PEC Stage 1 testing on 31st January 2025. Hold points 4 and 5 can now be released.
The following limits will be released as of 1000hrs 11th April 2025:
- PEC-1 - 150 MW (both directions)
- Heywood + PEC1 - 750 MW from Vic to SA and 700 MW from SA to Vic
- The existing Heywood limits of 600 and 550 MW are not being changed.
With the release of these limits AEMO will be looking for testing opportunities for increases to Heywood as per the test plan: https://aemo.com.au/-/media/files/stakeholder_consultation/consultations/nem-consultations/2023/project-energyconnect-stage-1-and-hic-capacity-release/pec-stage-1-and-hic---final-test-program.pdf?la=en.
Ben Blake
AEMO Operations
Refer to market notice 123956
AEMO, Transgrid and Electranet have reviewed the test results following the PEC Stage 1 testing on 31st January 2025. Hold points 4 and 5 can now be released.
The following limits will be released as of 1000hrs 11th April 2025:
- PEC-1 - 150 MW (both directions)
- Heywood + PEC1 - 750 MW from Vic to SA and 700 MW from SA to Vic
- The existing Heywood limits of 600 and 550 MW are not being changed.
With the release of these limits AEMO will be looking for testing opportunities for increases to Heywood as per the test plan: https://aemo.com.au/-/media/files/stakeholder_consultation/consultations/nem-consultations/2023/project-energyconnect-stage-1-and-hic-capacity-release/pec-stage-1-and-hic---final-test-program.pdf?la=en.
Ben Blake
AEMO Operations
126460RESERVE NOTICE09/04/2025 06:51:14 PM
Cancellation of Actual (LOR1) condition in the NSW region - 09/04/2025
AEMO ELECTRICITY MARKET NOTICE
Cancellation of Actual (LOR1) condition in the NSW region - 09/04/2025
The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice No.126458 is cancelled at 1845 hrs 09/04/2025.
Manager NEM Real Time Operations
Cancellation of Actual (LOR1) condition in the NSW region - 09/04/2025
The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice No.126458 is cancelled at 1845 hrs 09/04/2025.
Manager NEM Real Time Operations
126458RESERVE NOTICE09/04/2025 05:45:43 PM
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 09/04/2025
AEMO ELECTRICITY MARKET NOTICE
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 09/04/2025
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 1830 hrs
The capacity reserve requirement is 1549 MW
The minimum capacity reserve available is 1164 MW
Manager NEM Real Time Operations
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 09/04/2025
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 1830 hrs
The capacity reserve requirement is 1549 MW
The minimum capacity reserve available is 1164 MW
Manager NEM Real Time Operations
126271POWER SYSTEM EVENTS04/04/2025 07:44:04 AM
Update - Non-credible contingency event - QLD region - 04/04/2025
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - QLD region - 04/04/2025
Refer AEMO Electricity Market Notice 126262
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 cancel the reclassification of this event as a credible contingency event.
Manager NEM Real Time Operations
Update - Non-credible contingency event - QLD region - 04/04/2025
Refer AEMO Electricity Market Notice 126262
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 cancel the reclassification of this event as a credible contingency event.
Manager NEM Real Time Operations
126263GENERAL NOTICE04/04/2025 08:11:29 AM
Update - Vulnerable lines in Qld region
AEMO ELECTRICITY MARKET NOTICE.
Update - Lightning vulnerable lines in Qld region
Refer to AEMO Electricity Market Notice 126262 and 126271
At 0152 hrs 04/04/2025 the the Ross - Townsville South No 7156 and 7249 132kV lines tripped.
The cause of the trip was identified as due to lightning.
In accordance with SO_OP_3715, AEMO now considers the the Ross - Townsville South No 7156 and 7249 132kV lines to be vulnerable with a category of probable due to lightning.
Manager NEM Real Time Operations
Update - Lightning vulnerable lines in Qld region
Refer to AEMO Electricity Market Notice 126262 and 126271
At 0152 hrs 04/04/2025 the the Ross - Townsville South No 7156 and 7249 132kV lines tripped.
The cause of the trip was identified as due to lightning.
In accordance with SO_OP_3715, AEMO now considers the the Ross - Townsville South No 7156 and 7249 132kV lines to be vulnerable with a category of probable due to lightning.
Manager NEM Real Time Operations
126262POWER SYSTEM EVENTS04/04/2025 02:15:54 AM
Non-credible contingency event - QLD region - 04/04/2025
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - QLD region - 04/04/2025
At 0152 hrs the Ross - Townsville South No 7156 and 7249 132kV lines tripped and auto reclosed.
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: QLD
Elements: Ross - Townsville South No 7156 and 7249 132kV lines.
Duration: 0152 hrs 04/04/2025 until further notice
Constraint set(s) invoked: Nil
Manager NEM Real Time Operations
Non-credible contingency event - QLD region - 04/04/2025
At 0152 hrs the Ross - Townsville South No 7156 and 7249 132kV lines tripped and auto reclosed.
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: QLD
Elements: Ross - Townsville South No 7156 and 7249 132kV lines.
Duration: 0152 hrs 04/04/2025 until further notice
Constraint set(s) invoked: Nil
Manager NEM Real Time Operations
125963POWER SYSTEM EVENTS26/03/2025 04:20:27 PM
Non-credible contingency event - TAS region - 26/03/2025
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - TAS region - 26/03/2025
At 1551 hrs the Palmerston A 220kV Bus tripped.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
Approximately 40MW of generation was disconnected.
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 - TAS region - 26/03/2025
At 1551 hrs the Palmerston A 220kV Bus tripped.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
Approximately 40MW of generation was disconnected.
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