Market Notices

124986INTER-REGIONAL TRANSFER22/02/2025 08:11:27 AM

Inter-regional transfer limit variation - Collector Windfarm - Yass (3L) 330 kV line - NSW region - 22/02/2025

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Collector Windfarm - Yass (3L) 330 kV line - NSW region - 22/02/2025

A planned outage of Collector Windfarm - Yass (3L) 330 kV line in the NSW region was scheduled from 0600 hrs 17/02/2025 to 1600 hrs 24/02/2025.

The outage has been completed and Collector Windfarm - Yass (3L) 330 kV line returned to service at 0746 hrs 22/02/2025

Constraint set(s) revoked: N-CTYS_3L_WG_CLOSE

Manager NEM Real Time Operations
     
124971NON-CONFORMANCE21/02/2025 12:10:28 PM

NON-CONFORMANCE Region VIC1 Friday, 21 February 2025

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE VIC1 Region Friday, 21 February 2025

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

Unit: MCKAY1
Duration: 21/02/2025 12:00 to 21/02/2025 12:10
Amount: -54 MW
Constraint: NC-V_MCKAY1

Auto-generated on behalf of Manager NEM Real Time Operations
     
124969NON-CONFORMANCE21/02/2025 12:05:21 PM

NON-CONFORMANCE Region SA1 Friday, 21 February 2025

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE SA1 Region Friday, 21 February 2025

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

Unit: BLYTHB1
Duration: 21/02/2025 11:50 to 21/02/2025 12:05
Amount: -19 MW
Constraint: NC-S_BLYTHB1

Auto-generated on behalf of Manager NEM Real Time Operations
     
124965NON-CONFORMANCE21/02/2025 10:20:19 AM

NON-CONFORMANCE Region QLD1 Friday, 21 February 2025

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE QLD1 Region Friday, 21 February 2025

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

Unit: GANGARR1
Duration: 21/02/2025 09:40 to 21/02/2025 10:20
Amount: 72 MW
Constraint: NC-Q_GANGARR1

Auto-generated on behalf of Manager NEM Real Time Operations
     
124962RECLASSIFY CONTINGENCY20/02/2025 09:59:46 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: 20/02/2025 21:59

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 124961

Auto-generated on behalf of Manager NEM Real Time Operations
     
124961RECLASSIFY CONTINGENCY20/02/2025 07:54:41 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: 20/02/2025 19:54 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


Auto-generated on behalf of Manager NEM Real Time Operations
     
124959RECLASSIFY CONTINGENCY20/02/2025 06:39:46 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: 20/02/2025 18:39

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 124940

Auto-generated on behalf of Manager NEM Real Time Operations
     
124941NON-CONFORMANCE20/02/2025 02:25:16 PM

NON-CONFORMANCE Region NSW1 Thursday, 20 February 2025

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE NSW1 Region Thursday, 20 February 2025

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

Unit: CAPBES1
Duration: 20/02/2025 14:15 to 20/02/2025 14:25
Amount: 70 MW
Constraint: NC-N_CAPBES1

Auto-generated on behalf of Manager NEM Real Time Operations
     
124940RECLASSIFY CONTINGENCY20/02/2025 01:38:10 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: 20/02/2025 13:38 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


Auto-generated on behalf of Manager NEM Real Time Operations
     
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