Market Notices

124231NON-CONFORMANCE06/02/2025 04:31:43 AM

NON-CONFORMANCE Region NSW1 Thursday, 6 February 2025

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE NSW1 Region Thursday, 6 February 2025

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:

Unit: VP5
Duration: 06/02/2025 01:25 to 06/02/2025 04:30
Amount: -44 MW
Constraint: NC-N_VP5

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124229NON-CONFORMANCE06/02/2025 12:25:20 AM

NON-CONFORMANCE Region NSW1 Thursday, 6 February 2025

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE NSW1 Region Wednesday, 5 February 2025

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:

Unit: VP5
Duration: 05/02/2025 23:15 to 06/02/2025 00:25
Amount: -20 MW
Constraint: NC-N_VP5

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124226RECLASSIFY CONTINGENCY05/02/2025 11:44:49 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: 05/02/2025 23:44

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 124212

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124223RECLASSIFY CONTINGENCY05/02/2025 10:04:47 PM

Cancellation 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

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: Armidale - Dumaresq 8C 330kV and Armidale - Sapphire WF 8E 330kV

Cancellation time: 05/02/2025 22:04

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


Refer AEMO Electricity Market Notice 124193

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124222RECLASSIFY CONTINGENCY05/02/2025 09:49:46 PM

Cancellation 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

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: Bannaby - Mt Piper 5A6 500kV and Bannaby - Mt Piper 5A7 500kV

Cancellation time: 05/02/2025 21:49

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


Refer AEMO Electricity Market Notice 124156

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124220RECLASSIFY CONTINGENCY05/02/2025 08:49:45 PM

Cancellation of a Non-Credible Contingency Event: Ross - Tully South - Woree No.8905 275 kV line line and Cardwell - Tully No.7389 132kV line 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: Ross - Tully South - Woree No.8905 275 kV line and Cardwell - Tully No.7389 132kV line

Cancellation time: 05/02/2025 20:49

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 124216

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124219RESERVE NOTICE05/02/2025 08:37:04 PM

Cancellation of Actual (LOR1) condition in the NSW region - 05/02/2025

AEMO ELECTRICITY MARKET NOTICE

Cancellation of Actual (LOR1) condition in the NSW region - 05/02/2025

The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice No.124200 is cancelled at 2019 hrs 05/02/2025.

Manager NEM Real Time Operations
     
124217RECLASSIFY CONTINGENCY05/02/2025 07:44:45 PM

Cancellation of a Non-Credible Contingency Event: Eildon PS - Mt Beauty No.1 220 kV line and Eildon PS - Mt Beauty No.2 220 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: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV

Cancellation time: 05/02/2025 19:44

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 124211

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124216RECLASSIFY CONTINGENCY05/02/2025 07:44:45 PM

Reclassification of a Non-Credible Contingency Event: Ross - Tully South - Woree No.8905 275 kV line line and Cardwell - Tully No.7389 132kV line 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: Ross - Tully South - Woree No.8905 275 kV line and Cardwell - Tully No.7389 132kV line

Duration: 05/02/2025 19:44 until further notice

Constraint set(s) invoked:
NONE

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