Market Notices

AEMO ELECTRICITY MARKET NOTICE

Network Augmentation Commissioned - NSW Region - 10/09/2024

At 1750 hrs, the following equipment at Buronga 330 kV substation has been commissioned:

1) Buronga 330 kV A bus.
2) Buronga 330 kV B bus.
3) Buronga No 1 330 kV capacitor.
4) Buronga No 2 330 kV capacitor.
5) Buronga No 7 330/220 kV transformer.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - VIC region - 06/09/2024

Refer AEMO Electricity Market Notice 118166

At 2005 hrs the Loy Yang PS No. 4 500 kV 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 - VIC region - 06/09/2024

At 1222 hrs the Loy Yang PS No. 4 500 kV 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

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