Market Notices

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

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

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

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

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

AEMO ELECTRICITY MARKET NOTICE
Declaration of electricity market resumption

Refer initial AEMO Electricity Market Notice 135948

AEMO declares that the suspension of the spot market in New South Wales will end at 1830 hrs on 23 March 2026.

NSW SCADA has been restored.
Relevant Market Notices issued under this suspension:
135948
Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE
Declaration of electricity market suspension
AEMO declares the spot market suspended in New South Wales with Market Suspension Schedule Pricing (refer NER clause 3.14.5(b)) from Trading Interval 1145 hrs on 23 March 2026 until further notice.
Dispatch prices for the first one or two dispatch intervals of this market suspension will be reviewed manually.
AEMO has determined that it has been impossible to operate the spot market in accordance with the provisions of the Rules due to failure of SCADA systems.
Manager NEM Real Time Operation

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

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