Filter by category
Filter by Date
Update - Non-credible contingency event - NSW region - 26/07/2025
Update - Non-credible contingency event - NSW region - 26/07/2025
Refer AEMO Electricity Market Notice 128353
At 0832 hrs the Canberra A 132kV 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
Non-credible contingency event - NSW region - 26/07/2025
Non-credible contingency event - NSW region - 26/07/2025
At 0449 hrs the Canberra 132 kV A Bus and the Canberra to Latham A2 132 kV 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 - 19/07/2025
Non-credible contingency event - TAS region - 19/07/2025
At 1240 hrs the Liapoota - Wadamana - Palmerston 220 kV line and the Cattle Hill Wind Farm - Wadamana 220 kV line tripped.
AEMO did not instruct load shedding.
AEMO has been advised of a 70 MW load reduction at Nyrstar.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
Planned outage of Dapto - Kangaroo Valley (18) 330 kV line in the NSW region on 20/07/2025
The Dapto - Kangaroo Valley (18) 330 kV line in the New South Wales (NSW) region is planned to be out of service from 0615 hrs to 1630 hrs 20/07/2025.
This outage is considered as a High Impact Outage (HIO).
During this planned outage:
- There is a potential for Energy and FCAS prices to approach the Market Price Cap.
- Power transfer will be restricted between VIC/Snowy and NSW.
Refer AEMO Network Outage Schedule (NOS) for further details.
AEMO Operations
Non-credible contingency event - QLD region - 18/07/2025
Non-credible contingency event - QLD region - 18/07/2025
At 0825 hrs the H11_Nebo 275/132 kV No.1 Transformer was switched out on a planned outage and the H11_Nebo 275 kV SVC 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
Network Augmentation Commissioned - NSW Region - 14/07/2025
Network Augmentation Commissioned - NSW Region - 14/07/2025
Commissioned:
Buronga No. 1 330 kV/330 kV phase shifting transformer
Buronga No. 2 330 kV/330 kV phase shifting transformer
Buronga No. 3 330 kV/330 kV phase shifting transformer
Buronga No. 4 330 kV/330 kV phase shifting transformer
Manager NEM Real Time Operations
STPASA - Cancellation of the Forecast Lack Of Reserve Level 3 (LOR3) in the SA Region on 02/07/2025
The Forecast LOR3 condition in the SA region advised in AEMO Electricity Market Notice No. 127847 is cancelled at 1600 hrs on 25/06/2025.
No LOR3 condition is currently forecast in the STPASA period.
AEMO Operations
STPASA - Forecast Lack Of Reserve Level 3 (LOR3) in the SA Region on 02/07/2025
AEMO declares a Forecast LOR3 condition under clause 4.8.4(b) of the National Electricity Rules for the SA region for the following periods:
1. From 0630 hrs to 1100 hrs 02/07/2025.
The maximum load (other than interruptible loads) forecast to be interrupted is 108 MW at 0800 hrs.
2. From 1700 hrs 02/07/2025 to 0000 hrs 03/07/2025.
The maximum load (other than interruptible loads) forecast to be interrupted is 153 MW at 1900 hrs.
AEMO is seeking a market response.
AEMO has not yet estimated the latest time it would need to intervene through an AEMO intervention event.
AEMO Operations
Planned outage of Kiamal SF-Red Cliffs 220kV LINE in the VIC region on 27/06/2025
The Kiamal SF-Red Cliffs 220kV LINE line in the Victorian (VIC) region is planned to be out of service from 0700 hrs on 27/06/2025 to 1630 hrs on 27/06/2025.
A credible contingency event during this planned outage may require:
* Load shedding in the Victorian outer grid; and/ or
* Market intervention, such as the issuing of directions.
Refer AEMO Network Outage Schedule (NOS) for further details.
AEMO Operations