Market Notices

127975RECLASSIFY CONTINGENCY06/07/2025 07:24:50 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: 06/07/2025 19:24

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 127970

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127974RECLASSIFY CONTINGENCY06/07/2025 06:16:55 PM

Reclassification of a Non-Credible Contingency Event: Collinsville North - Proserpine No.7125 132 kV line and Collinsville North - Proserpine No.7126 132 kV line in QLD1 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: QLD1

Lines: Collinsville North - Proserpine No.7125 132 kV and Collinsville North - Proserpine No.7126 132 kV

Duration: 06/07/2025 18:16 until further notice

Constraint set(s) invoked:
NONE

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127973RECLASSIFY CONTINGENCY06/07/2025 06:06:05 PM

Reclassification of a Non-Credible Contingency Event: Strathmore - Clare South No.7208 132 kV line and Strathmore - Clare South tee King Creek No.7128 132 kV line in QLD1 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: QLD1

Lines: Strathmore - Clare South No.7208 132 kV and Strathmore - Clare South tee King Creek No.7128 132 kV

Duration: 06/07/2025 18:06 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
127972RECLASSIFY CONTINGENCY06/07/2025 05:23:01 PM

Reclassification of a Non-Credible Contingency Event: Armidale - Dumaresq 8C 330kV line and Armidale - Sapphire WF 8E 330kV 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: Armidale - Dumaresq 8C 330kV and Armidale - Sapphire WF 8E 330kV

Duration: 06/07/2025 17:22 until further notice

Constraint set(s) invoked:
N-ARDM_ARSR_1PH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1


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127971RESERVE NOTICE06/07/2025 05:13:00 PM

STPASA - Update of the Forecast Lack Of Reserve Level 2 (LOR2) in the SA Region on 09/07/2025

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR2 condition in the SA region advised in AEMO Electricity Market Notice No. 127961 has been updated at 1700 hrs to the following:

[1.] From 0600 hrs 09/07/2025 to 1600 hrs 09/07/2025.
The forecast capacity reserve requirement is 843 MW.
The minimum capacity reserve available is 728 MW.

AEMO is seeking a market response.
AEMO has not yet estimated the latest time at which it would need to intervene through an AEMO intervention event.


Manager NEM Real Time Operations
     
127970RECLASSIFY CONTINGENCY06/07/2025 03:21:15 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: 06/07/2025 15:21 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
127967RECLASSIFY CONTINGENCY06/07/2025 02:50:20 PM

Reclassification of a Non-Credible Contingency Event: Bannaby - Mt Piper 5A6 500kV line and Bannaby - Mt Piper 5A7 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: Bannaby - Mt Piper 5A6 500kV and Bannaby - Mt Piper 5A7 500kV

Duration: 06/07/2025 14:50 until further notice

Constraint set(s) invoked:
N-5A6+5A7_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
VIC1-NSW1


Auto-generated on behalf of Manager NEM Real Time Operations
     
127961RESERVE NOTICE06/07/2025 01:25:30 PM

STPASA - Update of the Forecast Lack Of Reserve Level 2 (LOR2) in the SA Region on 09/07/2025

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR2 condition in the SA region advised in AEMO Electricity Market Notice No. 127959 has been updated at 1315 hrs to the following:

[1.] From 0600 hrs 09/07/2025 to 1300 hrs 09/07/2025.
The forecast capacity reserve requirement is 811 MW.
The minimum capacity reserve available is 734 MW.

AEMO is seeking a market response.
AEMO has not yet estimated the latest time at which it would need to intervene through an AEMO intervention event.

Manager NEM Real Time Operations
     
127959RESERVE NOTICE06/07/2025 10:31:03 AM

STPASA - Forecast Lack Of Reserve Level 2 (LOR2) in the SA Region on 09/07/2025

AEMO ELECTRICITY MARKET NOTICE

AEMO declares a Forecast LOR2 condition under clause 4.8.4(b) of the National Electricity Rules for the SA region for the following period:

[1.] From 0600 hrs 09/07/2025 to 1000 hrs 09/07/2025.
The forecast capacity reserve requirement is 812 MW.
The minimum capacity reserve available is 736 MW.

AEMO is seeking a market response.

AEMO has not yet estimated the latest time at which it would need to intervene through an AEMO intervention event.

Manager NEM Real Time Operations
     
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