Market Notices

127507RECLASSIFY CONTINGENCY11/06/2025 10:24:10 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: 11/06/2025 22:24

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 127506

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127506RECLASSIFY CONTINGENCY11/06/2025 09:23:01 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: 11/06/2025 21:22 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
127505RESERVE NOTICE11/06/2025 07:43:29 PM

Cancellation of the Actual Lack Of Reserve Level 1 (LOR1) condition in the QLD Region on 11/06/2025

AEMO ELECTRICITY MARKET NOTICE

The Actual LOR1 condition in the QLD region advised in AEMO Electricity Market Notice No. 127504 is cancelled at 1945 hrs 11/06/2025.

Manager NEM Real Time Operations
     
127504RESERVE NOTICE11/06/2025 07:12:10 PM

Actual Lack Of Reserve Level 1 (LOR1) in the QLD region - 11/06/2025

AEMO ELECTRICITY MARKET NOTICE

Actual Lack Of Reserve Level 1 (LOR1) in the QLD region - 11/06/2025

An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the QLD region from 1900 hrs.
The Actual LOR1 condition is forecast to exist until 1930 hrs

The capacity reserve requirement is 730 MW
The minimum capacity reserve available is 693 MW

Manager NEM Real Time Operations
     
127500POWER SYSTEM EVENTS11/06/2025 06:05:55 PM

Update - Non-credible contingency event - QLD region - 11/06/2025

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - QLD region - 11/06/2025

Refer AEMO Electricity Market Notice 127499

At 1713 hrs the Belmont (H3) No.1 275 kV bus and Loganlea - Belmont (829) 275 kV line 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
     
127499POWER SYSTEM EVENTS11/06/2025 05:24:51 PM

Non-credible contingency event - QLD region - 11/06/2025

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - QLD region - 11/06/2025

At 1713 hrs the Belmont (H3) No.1 275 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
     
127498RESERVE NOTICE11/06/2025 05:04:31 PM

PDPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 12/06/2025

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 127494 is cancelled at 1700 hrs 11/06/2025.

Manager NEM Real Time Operations
     
127497RESERVE NOTICE11/06/2025 05:05:52 PM

PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region on 11/06/2025

AEMO ELECTRICITY MARKET NOTICE

AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the QLD region for the following Period:


[1.] From 1700 hrs 11/06/2025 to 1930 hrs 11/06/2025.
The forecast capacity reserve requirement is 730 MW.
The minimum capacity reserve available is 638 MW.


Manager NEM Real Time Operations
     
127495RESERVE NOTICE11/06/2025 03:06:50 PM

STPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region on 17/06/2025

AEMO ELECTRICITY MARKET NOTICE

AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the QLD region for the following periods:

1. From 1100 hrs to 1130 hrs 17/06/2025.
The forecast capacity reserve requirement is 440 MW.
The minimum capacity reserve available is 339 MW.

2. From 1400 hrs to 1430 hrs 17/06/2025.
The forecast capacity reserve requirement is 500 MW.
The minimum capacity reserve available is 371 MW.

AEMO Operations
     
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