Market Notices

144168RECLASSIFY CONTINGENCY30/05/2026 07:24:34 PM

Cancellation of a Non-Credible Contingency Event: Yallourn - Rowville 7 220 kV line and Yallourn - Rowville 8 220 kV line in VIC1 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: VIC1

Lines: Yallourn - Rowville 7 220 kV and Yallourn - Rowville 8 220 kV

Cancellation time: 30/05/2026 19:24

Constraint set(s) revoked:
V-ROYP78_R_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE


Refer AEMO Electricity Market Notice 144167

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144167RECLASSIFY CONTINGENCY30/05/2026 06:22:19 PM

Reclassification of a Non-Credible Contingency Event: Yallourn - Rowville 7 220 kV line and Yallourn - Rowville 8 220 kV line in VIC1 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: VIC1

Lines: Yallourn - Rowville 7 220 kV and Yallourn - Rowville 8 220 kV

Duration: 30/05/2026 18:22 until further notice

Constraint set(s) invoked:
V-ROYP78_R_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE


Auto-generated on behalf of Manager NEM Real Time Operations
     
144158RECLASSIFY CONTINGENCY28/05/2026 09:34:30 AM

Cancellation of a Non-Credible Contingency Event: Mudgeeraba - Terranora No.757 110 kV line and Mudgeeraba - Terranora No.758 110 kV line in QLD1 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: QLD1

Lines: Mudgeeraba - Terranora No.757 110 kV and Mudgeeraba - Terranora No.758 110 kV

Cancellation time: 28/05/2026 09:34

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 144157

Auto-generated on behalf of Manager NEM Real Time Operations
     
144157RECLASSIFY CONTINGENCY28/05/2026 06:29:40 AM

Reclassification of a Non-Credible Contingency Event: Mudgeeraba - Terranora No.757 110 kV line and Mudgeeraba - Terranora No.758 110 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: Mudgeeraba - Terranora No.757 110 kV and Mudgeeraba - Terranora No.758 110 kV

Duration: 28/05/2026 06:29 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
144156RECLASSIFY CONTINGENCY27/05/2026 09:49:30 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: 27/05/2026 21:49

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 144154

Auto-generated on behalf of Manager NEM Real Time Operations
     
144155RECLASSIFY CONTINGENCY27/05/2026 08:39:30 PM

Cancellation of a Non-Credible Contingency Event: Mudgeeraba - Terranora No.757 110 kV line and Mudgeeraba - Terranora No.758 110 kV line in QLD1 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: QLD1

Lines: Mudgeeraba - Terranora No.757 110 kV and Mudgeeraba - Terranora No.758 110 kV

Cancellation time: 27/05/2026 20:39

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 144153

Auto-generated on behalf of Manager NEM Real Time Operations
     
144154RECLASSIFY CONTINGENCY27/05/2026 05:45:15 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: 27/05/2026 17:45 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
144153RECLASSIFY CONTINGENCY27/05/2026 05:34:33 PM

Reclassification of a Non-Credible Contingency Event: Mudgeeraba - Terranora No.757 110 kV line and Mudgeeraba - Terranora No.758 110 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: Mudgeeraba - Terranora No.757 110 kV and Mudgeeraba - Terranora No.758 110 kV

Duration: 27/05/2026 17:34 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
144144RECLASSIFY CONTINGENCY25/05/2026 10:59:35 PM

Cancellation of a Non-Credible Contingency Event: Penola West - South East 1 132kV line and Kincraig - Penola West 1 132kV line in SA1 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: SA1

Lines: Penola West - South East 1 132kV and Kincraig - Penola West 1 132kV

Cancellation time: 25/05/2026 22:59

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 144143

Auto-generated on behalf of Manager NEM Real Time Operations
     
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