Market Notices

126586RECLASSIFY CONTINGENCY18/04/2025 02:27:20 AM

Reclassification of a Non-Credible Contingency Event: Lindisfarne - Mornington No.1 TEE line and Lindisfarne - Mornington No.2 TEE line in TAS1 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: TAS1

Lines: Lindisfarne - Mornington No.1 TEE and Lindisfarne - Mornington No.2 TEE

Duration: 18/04/2025 02:27 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
126585RECLASSIFY CONTINGENCY17/04/2025 11:54:41 PM

Cancellation of a Non-Credible Contingency Event: Palmerston - Hadspen 3 & 4 110kV line and line in TAS1 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: TAS1

Lines: Palmerston - Hadspen 3 & 4 110kV and

Cancellation time: 17/04/2025 23:54

Constraint set(s) revoked:
T-HAPM_110_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE


Refer AEMO Electricity Market Notice 126584

Auto-generated on behalf of Manager NEM Real Time Operations
     
126584RECLASSIFY CONTINGENCY17/04/2025 10:52:16 PM

Reclassification of a Non-Credible Contingency Event: Palmerston - Hadspen 3 & 4 110kV line and line in TAS1 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: TAS1

Lines: Palmerston - Hadspen 3 & 4 110kV and

Duration: 17/04/2025 22:52 until further notice

Constraint set(s) invoked:
T-HAPM_110_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
     
126577INTER-REGIONAL TRANSFER16/04/2025 09:33:38 PM

Inter-regional transfer limit variation - Greenbank - Molendinar 8825 275kV line - QLD region - 16/04/2025

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Greenbank - Molendinar 8825 275kV line - QLD region - 16/04/2025

At 2110 hrs 16/04/2025 there was an unplanned outage of Greenbank - Molendinar 8825 275kV line.

The following constraint set(s) invoked at 2120 hrs 16/04/2025
Q-GBMO_8824_8825

This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
     
126560RESERVE NOTICE14/04/2025 06:13:59 PM

Cancellation of Actual (LOR1) condition in the NSW region - 14/04/2025

AEMO ELECTRICITY MARKET NOTICE

Cancellation of Actual (LOR1) condition in the NSW region - 14/04/2025

The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice No.126559 is cancelled at 1811 hrs 14/04/2025.

Manager NEM Real Time Operations
     
126559RESERVE NOTICE14/04/2025 05:48:58 PM

Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 14/04/2025

AEMO ELECTRICITY MARKET NOTICE

Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 14/04/2025

An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1730 hrs.
The Actual LOR1 condition is forecast to exist until 1800 hrs

The capacity reserve requirement is 1588 MW
The minimum capacity reserve available is 1553 MW

Manager NEM Real Time Operations
     
126558INTER-REGIONAL TRANSFER14/04/2025 05:49:12 PM

Inter-regional transfer limit variation - Collector -Yass 3L 330kV Line - NSW region - 14/04/2025

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Collector -Yass 3L 330kV Line - NSW region - 14/04/2025

A planned outage of the Collector -Yass 3L 330kV Line in the NSW region was scheduled from 0700 hrs 12/04/2025 to 1700 hrs 16/04/2025.

The outage has been completed and the Collector -Yass 3L 330kV Line returned to service at 1735 hrs 14/04/2025

Constraint set(s) revoked: N-CTYS_3L_WG_CLOSE

Manager NEM Real Time Operations
     
126502INTER-REGIONAL TRANSFER11/04/2025 04:07:53 PM

Inter-regional transfer limit variation - Greenbank SVC- QLD region - 11/04/2025

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Greenbank SVC - QLD region - 11/04/2025

At 1600 hrs 11/04/2025 there was an unplanned outage of Greenbank SVC.

The following constraint set(s) invoked at 1605 hrs 11/04/2025
Q-GB_VC

This constraint set(s) contains equations with the following interconnectors on the LHS.
NSW1-QLD1,N-Q-MNSP1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
     
126489RESERVE NOTICE10/04/2025 07:12:37 PM

Cancellation of Actual (LOR1) condition in the NSW region - 10/04/2025

AEMO ELECTRICITY MARKET NOTICE

Cancellation of Actual (LOR1) condition in the NSW region - 10/04/2025

The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice No.126487 is cancelled at 1910 hrs 10/04/2025.

Manager NEM Real Time Operations
     
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