Market Notices

AEMO ELECTRICITY MARKET NOTICE

Following review of the operation of the Very Fast FCAS market, from 1300 hrs AEST on Monday 9th September AEMO will remove the 225 MW cap on dispatch of Very Fast Lower (L1) Contingency FCAS.

The 225 MW cap on dispatch of L1 FCAS sits well above typical disaptch volumes, and no immediate impact is expected from this change.

No other changes to the dispatch of Very Fast FCAS or FCAS constraint equation changes will be made on this date.

For information on the Fast Frequency Response (FFR) initiative please visit the website at: https://www.aemo.com.au/initiatives/major-programs/fast-frequency-response

Andrew Groom
AEMO Operations

AEMO ELECTRICITY MARKET NOTICE

Network Augmentation Commissioned - NSW Region - 01/09/2024

At 2125 hrs. Buronga -Redcliffs X9 220 kV line has been commissioned.
At 2125 hrs. Buronga -Redcliffs OX1 220 kV line has been de-commissioned.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Refer to market notice 117650

There is an opportunity for testing QNI Minor for flows from NSW to Qld up to 850 MW on Wednesday 28th August 2024 from 1300 to 1700hrs.

This test includes a trip and reclose of a line in northern NSW.

Please also refer to the published formal QNI minor testing information at the following link:
https://www.aemo.com.au/consultations/current-and-closed-consultations/qld-to-nsw-interconnector-qni-upgrade

Ben Blake
AEMO Operations

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - VIC region - 28/08/2024

Refer AEMO Electricity Market Notice 117908

At 0134 hrs the APD No 2 Potline was returned to service.

At 0200 hrs the APD No 1 Potline 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

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - VIC region - 28/08/2024

At 0001 hrs the APD No1 Potline and the APD No 2 Potline tripped.

AEMO did not instruct load shedding.

The cause of this non credible contingency event is not known at this stage.


Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Network Augmentation Commissioned - VIC Region - 27/08/2024

Cressy - Golden Plains No. 1 220 kV Line has been commissioned.
Golden Plains Terminal Station has been commissioned.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - TAS region - 25/08/2024

Refer AEMO Electricity Market Notice 117782

At 1023 hrs the New Norfolk A 110kV 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

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - TAS region - 25/08/2024

At 0850 hrs the New Norfolk A 110kV 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

AEMO ELECTRICITY MARKET NOTICE

The Kerang - Wemen 220 kV line in the Victorian (VIC) region is planned to be out of service from 0600 hrs to 1800 hrs on 23/08/2024.

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