Market Notices

119714RESERVE NOTICE31/10/2024 06:43:53 PM

Cancellation of Actual (LOR1) condition in the QLD region - 31/10/2024

AEMO ELECTRICITY MARKET NOTICE

Cancellation of Actual (LOR1) condition in the QLD region - 31/10/2024

The Actual LOR1 Condition in the QLD Region advised in AEMO Electricity Market Notice No.119713 is cancelled at 1839 hrs 31/10/2024.

Manager NEM Real Time Operations
     
119713RESERVE NOTICE31/10/2024 06:22:56 PM

Actual Lack Of Reserve Level 1 (LOR1) in the QLD region - 31/10/2024

AEMO ELECTRICITY MARKET NOTICE

Actual Lack Of Reserve Level 1 (LOR1) in the QLD region - 31/10/2024

An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the QLD region from 1800 hrs.
The Actual LOR1 condition is forecast to exist until 1900 hrs

The forecast capacity reserve requirement is 1298 MW.
The minimum capacity reserve available is 1178 MW.

Manager NEM Real Time Operations
     
119708RECLASSIFY CONTINGENCY31/10/2024 04:19:40 PM

Cancellation of a Non-Credible Contingency Event: Bayswater - Mt Piper No.5A3 500kV line and Wollar - Mt Piper No.5A5 500kV line in NSW1 due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any lightning activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.

Region: NSW1

Lines: Bayswater - Mt Piper No.5A3 500kV and Wollar - Mt Piper No.5A5 500kV

Cancellation time: 31/10/2024 16:19

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 119704

Auto-generated on behalf of Manager NEM Real Time Operations
     
119704RECLASSIFY CONTINGENCY31/10/2024 03:15:31 PM

Reclassification of a Non-Credible Contingency Event: Bayswater - Mt Piper No.5A3 500kV line and Wollar - Mt Piper No.5A5 500kV line in NSW1 due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.

Region: NSW1

Lines: Bayswater - Mt Piper No.5A3 500kV and Wollar - Mt Piper No.5A5 500kV

Duration: 31/10/2024 15:15 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
119698GENERAL NOTICE31/10/2024 12:47:07 PM

Network Augmentation Commissioned - NSW Region - 31/10/2024

AEMO ELECTRICITY MARKET NOTICE

Network Augmentation Commissioned - NSW Region - 31/10/2024

At 1200 hrs 31/10/2024, the Buronga No.4 330kV synchronous condenser has been commissioned.

Manager NEM Real Time Operations
     
119694GENERAL NOTICE31/10/2024 10:29:13 AM

Fast Frequency Response Market - Increase in R1 FCAS dispatch caps from 4th November 2024

AEMO ELECTRICITY MARKET NOTICE

Following review of the operation of the Very Fast FCAS market, from 1300 hrs AEST on Monday 4th November AEMO will increase the cap on dispatch of Very Fast Raise (R1) Contingency FCAS from 350 MW to 375 MW

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
     
119669RECLASSIFY CONTINGENCY30/10/2024 12:30:56 PM

Cancellation of the reclassification of a Non-Credible contingency event: Rowville - Yallourn No. 7 220 kV Line and the Rowville - Yallourn No. 8 220 kV Line in VIC due to Lightning.

AEMO ELECTRICITY MARKET NOTICE.

Cancellation of the reclassification of a Non-Credible contingency event as a Credible contingency event due to Lightning. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any Lightning activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.

Region: VIC

Lines: Rowville - Yallourn No. 7 220 kV Line and the Rowville - Yallourn No. 8 220 kV Line

Cancellation time: 12:20 hrs 30/10/2024

Constraint set(s) revoked:
V-ROYP78_R_N-2

Refer AEMO Electricity Market Notice 119030

Manager NEM Real Time Operations
     
119668GENERAL NOTICE30/10/2024 12:29:13 PM

Update - Lightning vulnerable lines in Vic region

AEMO ELECTRICITY MARKET NOTICE.

Update - Lightning vulnerable lines in Vic region

Refer to AEMO Electricity Market Notice 119029

At 1525 hrs on 18/10/2024 the Rowville - Yallourn No. 7 220 kV Line and the Rowville - Yallourn No. 8 220 kV Line 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 Rowville - Yallourn No. 7 220 kV Line and the Rowville - Yallourn No. 8 220 kV Line to be vulnerable with a category of probable due to Lightning.

Manager NEM Real Time Operations
     
119667GENERAL NOTICE29/10/2024 09:02:13 PM

Update - Pre dispatch demand forecast - Qld region

AEMO ELECTRICITY MARKET NOTICE

Update - Pre dispatch demand forecast - Qld region

Refer market notice: 119666

The issue relating to the Queensland Pre dispatch demand forecast has been resolved.

Manager NEM Real Time Operations
     
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