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141036POWER SYSTEM EVENTS11/04/2026 02:32:09 PM
Non-credible contingency event - TAS region - 11/04/2026
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - TAS region - 11/04/2026
At 1357 hrs the Farrell -Tribute 220 kV line, Farrell - John Butters 220kV Lines and Farrell - Mackintosh 110kV Line 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 - TAS region - 11/04/2026
At 1357 hrs the Farrell -Tribute 220 kV line, Farrell - John Butters 220kV Lines and Farrell - Mackintosh 110kV Line 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
141012POWER SYSTEM EVENTS10/04/2026 06:04:13 PM
Non-credible contingency event - TAS region - 10/04/2026
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - TAS region - 10/04/2026
At 1646 hrs the Farrell - Reece No.1 220 kV and Farrell - Reece No.2 220 kV lines tripped.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
The cause of the trip was identified as due to lightning.
In accordance with SO_OP_3715, the Farrell - Reece No.1 and No.2 220 kV lines are considered vulnerable with a category of probable due to lightning.
At the time of the trip, Farrell - Reece No.1 220 kV and Farrell - Reece No.2 220 kV lines were not reclassified due to lightning.
AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event from 16:50 hrs until further notice.
Refer market notice 141010
Manager NEM Real Time Operations
Non-credible contingency event - TAS region - 10/04/2026
At 1646 hrs the Farrell - Reece No.1 220 kV and Farrell - Reece No.2 220 kV lines tripped.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
The cause of the trip was identified as due to lightning.
In accordance with SO_OP_3715, the Farrell - Reece No.1 and No.2 220 kV lines are considered vulnerable with a category of probable due to lightning.
At the time of the trip, Farrell - Reece No.1 220 kV and Farrell - Reece No.2 220 kV lines were not reclassified due to lightning.
AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event from 16:50 hrs until further notice.
Refer market notice 141010
Manager NEM Real Time Operations
134010POWER SYSTEM EVENTS02/03/2026 02:37:52 AM
Update - Non-credible contingency event - QLD region - 19/02/2026
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - QLD region - 19/02/2026
Refer AEMO Electricity Market Notice 133799
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 - 19/02/2026
Refer AEMO Electricity Market Notice 133799
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
133798POWER SYSTEM EVENTS19/02/2026 05:15:37 PM
Non-credible contingency event - QLD region - 19/02/2026
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - QLD region - 19/02/2026
At 1650 hrs the Goonyella - North Goonyella Tee - Stoney Creek No. 7122 and Goonyella - Newlands No. 7155 132 kV Lines tripped.
AEMO did not instruct load shedding.
AEMO has been advised of 36 MW of bulk electrical load disconnection.
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 - 19/02/2026
At 1650 hrs the Goonyella - North Goonyella Tee - Stoney Creek No. 7122 and Goonyella - Newlands No. 7155 132 kV Lines tripped.
AEMO did not instruct load shedding.
AEMO has been advised of 36 MW of bulk electrical load disconnection.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
133774POWER SYSTEM EVENTS19/02/2026 10:57:53 AM
Non-credible contingency event - NSW region - 19/02/2026
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - NSW region - 19/02/2026
At 0931 hrs the Stockdill - Upper Tumut No 1 330kV line opened at the Stockdill 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 - NSW region - 19/02/2026
At 0931 hrs the Stockdill - Upper Tumut No 1 330kV line opened at the Stockdill 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
133487RESERVE NOTICE11/02/2026 07:39:56 PM
Cancellation of Actual (LOR1) condition in the NSW region - 11/02/2026
AEMO ELECTRICITY MARKET NOTICE
Cancellation of Actual (LOR1) condition in the NSW region - 11/02/2026
The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice No.133484 is cancelled at 1930 hrs 11/02/2026.
Manager NEM Real Time Operations
Cancellation of Actual (LOR1) condition in the NSW region - 11/02/2026
The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice No.133484 is cancelled at 1930 hrs 11/02/2026.
Manager NEM Real Time Operations
133484RESERVE NOTICE11/02/2026 06:08:32 PM
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 11/02/2026
AEMO ELECTRICITY MARKET NOTICE
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 11/02/2026
An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1800 hrs.
The Actual LOR1 condition is forecast to exist until 11/02/2026 1900 hrs
The capacity reserve requirement is 1360 MW
The minimum capacity reserve available is 1219 MW
Manager NEM Real Time Operations
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 11/02/2026
An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1800 hrs.
The Actual LOR1 condition is forecast to exist until 11/02/2026 1900 hrs
The capacity reserve requirement is 1360 MW
The minimum capacity reserve available is 1219 MW
Manager NEM Real Time Operations
133455RESERVE NOTICE10/02/2026 09:47:14 PM
Cancellation of Actual (LOR1) condition in the SA region - 10/02/2026
AEMO ELECTRICITY MARKET NOTICE
Cancellation of Actual (LOR1) condition in the SA region - 10/02/2026
The Actual LOR1 Condition in the SA Region advised in AEMO Electricity Market Notice No.133453 is cancelled at 2140 hrs 10/02/2026.
Manager NEM Real Time Operations
Cancellation of Actual (LOR1) condition in the SA region - 10/02/2026
The Actual LOR1 Condition in the SA Region advised in AEMO Electricity Market Notice No.133453 is cancelled at 2140 hrs 10/02/2026.
Manager NEM Real Time Operations
133453RESERVE NOTICE10/02/2026 07:52:45 PM
Actual Lack Of Reserve Level 1 (LOR1) in the SA region - 10/02/2026
AEMO ELECTRICITY MARKET NOTICE
Actual Lack Of Reserve Level 1 (LOR1) in the SA region - 10/02/2026
An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the SA region from 1930 hrs.
The Actual LOR1 condition is forecast to exist until 2230 hrs.
The capacity reserve requirement is 625 MW
The minimum capacity reserve available is 390 MW
Manager NEM Real Time Operations
Actual Lack Of Reserve Level 1 (LOR1) in the SA region - 10/02/2026
An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the SA region from 1930 hrs.
The Actual LOR1 condition is forecast to exist until 2230 hrs.
The capacity reserve requirement is 625 MW
The minimum capacity reserve available is 390 MW
Manager NEM Real Time Operations