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144166POWER SYSTEM EVENTS29/05/2026 09:41:16 PM
Update - Non-credible contingency event - QLD region - 29/05/2026
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - QLD region - 29/05/2026
Refer AEMO Electricity Market Notice 144162
At 2135 hrs the Woolooga to Teebar Creek 8850 275kV Line and the Teebar Ck No2 275kV Bus 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 - 29/05/2026
Refer AEMO Electricity Market Notice 144162
At 2135 hrs the Woolooga to Teebar Creek 8850 275kV Line and the Teebar Ck No2 275kV Bus 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
144162POWER SYSTEM EVENTS29/05/2026 10:50:40 AM
Non-credible contingency event - QLD region - 29/05/2026
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - QLD region - 29/05/2026
At 1013 hrs the Woolooga to Teebar Creek 8850 275kV Line and the Teebar Ck No2 275kV Bus 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 - 29/05/2026
At 1013 hrs the Woolooga to Teebar Creek 8850 275kV Line and the Teebar Ck No2 275kV Bus 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
144117POWER SYSTEM EVENTS18/05/2026 01:54:51 PM
Update - Non-credible contingency event -NSW region - 17 May 2026
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - NSW region - 17/05/2026
Refer AEMO Electricity Market Notice 144112
At 1327 hrs the Upper Tumut Units 1, 2, 3 and 4 were made available to return 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 - NSW region - 17/05/2026
Refer AEMO Electricity Market Notice 144112
At 1327 hrs the Upper Tumut Units 1, 2, 3 and 4 were made available to return 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
144112POWER SYSTEM EVENTS18/05/2026 12:00:40 AM
Non-credible contingency event - NSW region - 17/05/2026
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - NSW region - 17/05/2026
At 2317 hrs the Upper Tumut 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 - NSW region - 17/05/2026
At 2317 hrs the Upper Tumut 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
144107RESERVE NOTICE17/05/2026 02:14:43 PM
PDPASA - Cancellation of the Forecast Lack Of Reserve Level 2 (LOR2) in the QLD Region on 17/05/2026
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR2 condition in the QLD region advised in AEMO Electricity Market Notice No. 144106 is cancelled at 1400 hrs 17/05/2026.
Manager NEM Real Time Operations
The Forecast LOR2 condition in the QLD region advised in AEMO Electricity Market Notice No. 144106 is cancelled at 1400 hrs 17/05/2026.
Manager NEM Real Time Operations
144106RESERVE NOTICE17/05/2026 01:28:35 PM
PDPASA - Forecast Lack Of Reserve Level 2 (LOR2) in the QLD Region on 18/05/2026
AEMO ELECTRICITY MARKET NOTICE
AEMO declares a Forecast LOR2 condition under clause 4.8.4(b) of the National Electricity Rules for the QLD region for the following Period:
[1.] From 1700 hrs 18/05/2026 to 1900 hrs 18/05/2026.
The forecast capacity reserve requirement is 759 MW.
The minimum capacity reserve available is 357 MW.
AEMO is seeking a market response.
AEMO has not yet estimated the latest time at which it would need to intervene through an AEMO intervention event.
Manager NEM Real Time Operations
AEMO declares a Forecast LOR2 condition under clause 4.8.4(b) of the National Electricity Rules for the QLD region for the following Period:
[1.] From 1700 hrs 18/05/2026 to 1900 hrs 18/05/2026.
The forecast capacity reserve requirement is 759 MW.
The minimum capacity reserve available is 357 MW.
AEMO is seeking a market response.
AEMO has not yet estimated the latest time at which it would need to intervene through an AEMO intervention event.
Manager NEM Real Time Operations
144103RESERVE NOTICE17/05/2026 10:41:04 AM
STPASA - Cancellation of the Forecast Lack Of Reserve Level 2 (LOR2) in the QLD Region on 19/05/2026
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR2 condition in the QLD region advised in AEMO Electricity Market Notice No. 144093 is cancelled at 1030 hrs 17/05/2026.
Manager NEM Real Time Operations
The Forecast LOR2 condition in the QLD region advised in AEMO Electricity Market Notice No. 144093 is cancelled at 1030 hrs 17/05/2026.
Manager NEM Real Time Operations
144093RESERVE NOTICE16/05/2026 04:47:27 PM
STPASA - Forecast Lack Of Reserve Level 2 (LOR2) in the QLD Region on 19/05/2026
AEMO ELECTRICITY MARKET NOTICE
AEMO declares a Forecast LOR2 condition under clause 4.8.4(b) of the National Electricity Rules for the QLD region for the following period:
[1.] From 0600 hrs 19/05/2026 to 1930 hrs 19/05/2026.
The forecast capacity reserve requirement is 760 MW.
The minimum capacity reserve available is 605 MW.
AEMO is seeking a market response.
AEMO has not yet estimated the latest time it would need to intervene through an AEMO intervention event.
Manager NEM Real Time Operations
AEMO declares a Forecast LOR2 condition under clause 4.8.4(b) of the National Electricity Rules for the QLD region for the following period:
[1.] From 0600 hrs 19/05/2026 to 1930 hrs 19/05/2026.
The forecast capacity reserve requirement is 760 MW.
The minimum capacity reserve available is 605 MW.
AEMO is seeking a market response.
AEMO has not yet estimated the latest time it would need to intervene through an AEMO intervention event.
Manager NEM Real Time Operations
144074POWER SYSTEM EVENTS13/05/2026 01:49:17 PM
Update - Non-credible contingency event - QLD region - 13/05/2026
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - QLD region - 13/05/2026
Refer AEMO Electricity Market Notice 144073
At 1341 hrs the T157 Ingham South No.1 and No.2 132/66kV Transformers were 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 - 13/05/2026
Refer AEMO Electricity Market Notice 144073
At 1341 hrs the T157 Ingham South No.1 and No.2 132/66kV Transformers were 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