Market Notices

116846RECLASSIFY CONTINGENCY31/05/2024 05:44:45 AM

Reclassification of a Non-Credible Contingency Event: Farrell-John Butters line and Farrell-Rosebery-Newton-Queenstown 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: Farrell-John Butters and Farrell-Rosebery-Newton-Queenstown

Duration: 31/05/2024 05:44 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
116845RECLASSIFY CONTINGENCY31/05/2024 01:29:32 AM

Cancellation of a Non-Credible Contingency Event: Farrell - Reece No.1 220 kV line and Farrell - Reece No.2 220 kV 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: Farrell - Reece No.1 220 kV and Farrell - Reece No.2 220 kV

Cancellation time: 31/05/2024 01:29

Constraint set(s) revoked:
F-T-FARE_N-2 Constraint set contains the following interconnector(s) on the left hand side:
T-V-MNSP1


Refer AEMO Electricity Market Notice 116843

Auto-generated on behalf of Manager NEM Real Time Operations
     
116844RECLASSIFY CONTINGENCY31/05/2024 01:29:31 AM

Cancellation of a Non-Credible Contingency Event: Farrell-John Butters line and Farrell-Rosebery-Newton-Queenstown 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: Farrell-John Butters and Farrell-Rosebery-Newton-Queenstown

Cancellation time: 31/05/2024 01:29

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 116842

Auto-generated on behalf of Manager NEM Real Time Operations
     
116843RECLASSIFY CONTINGENCY31/05/2024 12:25:25 AM

Reclassification of a Non-Credible Contingency Event: Farrell - Reece No.1 220 kV line and Farrell - Reece No.2 220 kV 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: Farrell - Reece No.1 220 kV and Farrell - Reece No.2 220 kV

Duration: 31/05/2024 00:24 until further notice

Constraint set(s) invoked:
F-T-FARE_N-2 Constraint set contains the following interconnector(s) on the left hand side:
T-V-MNSP1


Auto-generated on behalf of Manager NEM Real Time Operations
     
116842RECLASSIFY CONTINGENCY31/05/2024 12:24:18 AM

Reclassification of a Non-Credible Contingency Event: Farrell-John Butters line and Farrell-Rosebery-Newton-Queenstown 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: Farrell-John Butters and Farrell-Rosebery-Newton-Queenstown

Duration: 31/05/2024 00:24 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
116841INTER-REGIONAL TRANSFER30/05/2024 11:23:04 PM

Inter-regional transfer limit variation - Sheffield - Georgetown No. 2 220 kV line - TAS region - 30/05/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation -Sheffield - Georgetown No. 2 220 kV line - TAS region - 30/05/2024

At 2301 hrs 30/05/2024 there was an unplanned outage of Sheffield - Georgetown No. 2 220 kV line

The following constraint set(s) invoked at 2310 hrs 30/05/2024
T-GTSH

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

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
     
116820INTER-REGIONAL TRANSFER27/05/2024 02:05:44 PM

Inter-regional transfer limit variation - Collector WF - Yass 3L 330KV Line - NSW region - 27/05/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Collector WF - Yass 3L 330KV Line - NSW region - 27/05/2024

A planned outage of Collector WF - Yass 3L 330KV Line in the NSW region was scheduled from 0600 hrs 03/04/2024 to 1500 hrs 27/05/2024.

The outage has been rescheduled to be completed by 1500 hrs 07/06/2024.

Constraint set(s) invoked: N-CTYS_3L_WG_CLOSE

This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1
NSW1-QLD1
V-S-MNSP1
VIC1-NSW1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
     
116793INTER-REGIONAL TRANSFER23/05/2024 11:42:37 PM

Inter-Regional Transfer limit variation - Directlink - NSW Region

AEMO ELECTRICITY MARKET NOTICE

Inter-Regional Transfer limit variation - Directlink - NSW Region

There has been an unplanned outage of the No 2 Leg of Directlink .

The following constraint set was invoked at 2340 hrs 23/05/2024

N-MBTE_1

The constraint set contains the following interconnector on the left hand side.

N-Q-MNSP1

Refer AEMO Network Outage Scheduler (NOS) for further details.

Manager NEM Real Time Operations
     
116789PRICES UNCHANGED23/05/2024 06:03:06 AM

[EventId:202405230540_confirmed] Prices for interval 23-May-2024 05:40 are now confirmed

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 0600 hrs on 23 May 2024

PRICES ARE NOW CONFIRMED for trading interval 23-May-2024 05:40.

In accordance with Market Notice 116779 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply

Prices remain unchanged.


This is an AEMO autogenerated Market Notice.
     
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