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144069GENERAL NOTICE09/05/2026 06:04:42 PM
Network Augmentation Commissioned - NSW Region - 09 May 2026
AEMO ELECTRICITY MARKET NOTICE
A network augmentation has been commissioned in the NSW Region.
At 1740 hrs the following equipment was commissioned.
Wagga - Dinawan 6L 330 kV Line
Wagga - Dinawan 6J 330 kV Line
Dinawan 330 kV A and B Buses
Manager NEM Real Time Operations
A network augmentation has been commissioned in the NSW Region.
At 1740 hrs the following equipment was commissioned.
Wagga - Dinawan 6L 330 kV Line
Wagga - Dinawan 6J 330 kV Line
Dinawan 330 kV A and B Buses
Manager NEM Real Time Operations
144024GENERAL NOTICE01/05/2026 09:58:31 AM
Fast Frequency Response Market - Local dispatch of Very Fast Contingency FCAS in QLD
AEMO ELECTRICITY MARKET NOTICE
Following a review of the operation of the Very Fast FCAS market, from 5th May 2026 AEMO will increase the cap on dispatch of Very Fast Contingency FCAS in the QLD region from 200 MW to 250 MW, during periods where islanding of the QLD region is considered credible.
No other changes to the dispatch of Very Fast FCAS or FCAS constraint equations will be made on this date.
For more information on the Fast Frequency Response (FFR) initiative, please visit:
https://www.aemo.com.au/initiatives/major-programs/fast-frequency-response
AEMO Operations
Following a review of the operation of the Very Fast FCAS market, from 5th May 2026 AEMO will increase the cap on dispatch of Very Fast Contingency FCAS in the QLD region from 200 MW to 250 MW, during periods where islanding of the QLD region is considered credible.
No other changes to the dispatch of Very Fast FCAS or FCAS constraint equations will be made on this date.
For more information on the Fast Frequency Response (FFR) initiative, please visit:
https://www.aemo.com.au/initiatives/major-programs/fast-frequency-response
AEMO Operations
141068GENERAL NOTICE14/04/2026 07:34:16 PM
Update - Vulnerable lines in Tas region
AEMO ELECTRICITY MARKET NOTICE.
Update - Lightning vulnerable lines in Tas region
Refer to AEMO Electricity Market Notice 141036
At 1357hrs 11/04/2026 the Farrell -Tribute 220 kV line and Farrell - John Butters 220kV Line tripped.
The cause of the trip was identified as due to lightning.
In accordance with SO_OP_3715, AEMO now considers the Farrell -Tribute 220 kV line and the Farrell - John Butters 220kV line to be vulnerable with a category of probable due to lightning.
Manager NEM Real Time Operations
Update - Lightning vulnerable lines in Tas region
Refer to AEMO Electricity Market Notice 141036
At 1357hrs 11/04/2026 the Farrell -Tribute 220 kV line and Farrell - John Butters 220kV Line tripped.
The cause of the trip was identified as due to lightning.
In accordance with SO_OP_3715, AEMO now considers the Farrell -Tribute 220 kV line and the Farrell - John Butters 220kV line to be vulnerable with a category of probable due to lightning.
Manager NEM Real Time Operations
139633GENERAL NOTICE01/04/2026 05:22:53 PM
Network Augmentation Commissioned - NSW Region - 01/04/2026
AEMO ELECTRICITY MARKET NOTICE
Network Augmentation Commissioned - NSW Region - 01/04/2026
At 1700 hrs 01/04/2026, the Uungula 330 kV Terminal Station has been cut in to the existing Wellington - Stubbo SF 330 kV Transmission Line resulting in the following network augmentations being commissioned:
Uungula 330 kV Terminal Station
Wellington - Uungula 7J 330 kV Transmission Line
Uungula -Stubbo SF 79 330 kV Transmission Line
Manager NEM Real Time Operations
Network Augmentation Commissioned - NSW Region - 01/04/2026
At 1700 hrs 01/04/2026, the Uungula 330 kV Terminal Station has been cut in to the existing Wellington - Stubbo SF 330 kV Transmission Line resulting in the following network augmentations being commissioned:
Uungula 330 kV Terminal Station
Wellington - Uungula 7J 330 kV Transmission Line
Uungula -Stubbo SF 79 330 kV Transmission Line
Manager NEM Real Time Operations
137916GENERAL NOTICE28/03/2026 03:16:56 PM
Planned outage of Broadsound - Stanwell No. 856 275 kV line in the QLD region beginning on 28/03/2026
AEMO ELECTRICITY MARKET NOTICE
The Broadsound - Stanwell No. 856 275 kV line in the Queensland (QLD) region is planned to be out of service from 1800 hrs 28/03/2026 to 2300 hrs 28/03/2026.
This outage is considered a High Impact Outage (HIO) as the outage recall is greater than 30 minutes.
A credible contingency event during this planned outage may require market intervention, such as the issuing of directions.
Refer AEMO Network Outage Schedule (NOS) for further details.
Manager NEM Real Time Operations
The Broadsound - Stanwell No. 856 275 kV line in the Queensland (QLD) region is planned to be out of service from 1800 hrs 28/03/2026 to 2300 hrs 28/03/2026.
This outage is considered a High Impact Outage (HIO) as the outage recall is greater than 30 minutes.
A credible contingency event during this planned outage may require market intervention, such as the issuing of directions.
Refer AEMO Network Outage Schedule (NOS) for further details.
Manager NEM Real Time Operations
135916GENERAL NOTICE23/03/2026 10:29:33 AM
SERVICE INTERRUPTION - Partial SCADA failure NSW
AEMO ELECTRICITY MARKET NOTICE
SERVICE INTERRUPTION
AEMO is experiencing a service interruption relating to: Partial SCADA failure NSW
AEMO is working on restoring the service. AEMO Support Hub will provide updates as more information becomes available.
Dispatch of market targets via SCADA / AGC has failed. Affected participants are requested to enable their backup systems in order to receive dispatch targets and manually follow dispatch targets until further notice. Affected participants are requested to contact the AEMO Electricity Control Room if unable to follow their dispatch targets.
For further enquiries please contact the AEMO Support Hub
Phone: 1300236600 Opt1
Email: [email protected]
Manager NEM Real Time Operations
SERVICE INTERRUPTION
AEMO is experiencing a service interruption relating to: Partial SCADA failure NSW
AEMO is working on restoring the service. AEMO Support Hub will provide updates as more information becomes available.
Dispatch of market targets via SCADA / AGC has failed. Affected participants are requested to enable their backup systems in order to receive dispatch targets and manually follow dispatch targets until further notice. Affected participants are requested to contact the AEMO Electricity Control Room if unable to follow their dispatch targets.
For further enquiries please contact the AEMO Support Hub
Phone: 1300236600 Opt1
Email: [email protected]
Manager NEM Real Time Operations
135150GENERAL NOTICE20/03/2026 12:19:01 PM
Network Augmentation Commissioned - NSW Region - 20/03/2026
AEMO ELECTRICITY MARKET NOTICE
A network augmentation has been commissioned in the NSW region at 1052 hrs 20/03/2026 as follows:
Eraring - Eraring BESS No.2P 330 kV Transmission Line
Manager NEM Real Time Operations
A network augmentation has been commissioned in the NSW region at 1052 hrs 20/03/2026 as follows:
Eraring - Eraring BESS No.2P 330 kV Transmission Line
Manager NEM Real Time Operations
134573GENERAL NOTICE06/03/2026 07:35:39 AM
Fast Frequency Response Market - Local dispatch of Very Fast Contingency FCAS in QLD
AEMO ELECTRICITY MARKET NOTICE
Following a review of the operation of the Very Fast FCAS market, from 10th Mar 2026 AEMO will increase the cap on dispatch of Very Fast Contingency FCAS in the QLD region from 100 MW to 200 MW, during periods where islanding of the QLD region is considered credible.
No other changes to the dispatch of Very Fast FCAS or FCAS constraint equations will be made on this date.
For more information on the Fast Frequency Response (FFR) initiative, please visit:
https://www.aemo.com.au/initiatives/major-programs/fast-frequency-response
AEMO Operations
Following a review of the operation of the Very Fast FCAS market, from 10th Mar 2026 AEMO will increase the cap on dispatch of Very Fast Contingency FCAS in the QLD region from 100 MW to 200 MW, during periods where islanding of the QLD region is considered credible.
No other changes to the dispatch of Very Fast FCAS or FCAS constraint equations will be made on this date.
For more information on the Fast Frequency Response (FFR) initiative, please visit:
https://www.aemo.com.au/initiatives/major-programs/fast-frequency-response
AEMO Operations
133946GENERAL NOTICE27/02/2026 03:20:04 PM
Update - Vulnerable lines in Qld region
AEMO ELECTRICITY MARKET NOTICE.
Update - Lightning vulnerable lines in Qld region
Refer to AEMO Electricity Market Notice 133798 and 133799
At 1650 hrs on 19/02/2026 the Goonyella - North Goonyella Tee - Stony Creek No. 7122 and Goonyella - Newlands No. 7155 132 kV lines tripped and auto reclosed.
The cause of the trip was identified as due to lightning.
In accordance with SO_OP_3715, AEMO now considers the Goonyella - North Goonyella Tee - Stony Creek No. 7122 and Goonyella - Newlands No. 7155 132 kV 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 133798 and 133799
At 1650 hrs on 19/02/2026 the Goonyella - North Goonyella Tee - Stony Creek No. 7122 and Goonyella - Newlands No. 7155 132 kV lines tripped and auto reclosed.
The cause of the trip was identified as due to lightning.
In accordance with SO_OP_3715, AEMO now considers the Goonyella - North Goonyella Tee - Stony Creek No. 7122 and Goonyella - Newlands No. 7155 132 kV lines to be vulnerable with a category of probable due to lightning.
Manager NEM Real Time Operations