Market Notices

126882RECLASSIFY CONTINGENCY05/05/2025 07:40:27 PM

Reclassification of a Non-Credible Contingency Event: Sheffield - George Town No1 220kV line and Sheffield - George Town No2 220kV line in TAS 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: TAS

Lines: Sheffield - George Town No1 220kV line and Sheffield - George Town No2 220kV line

Duration:19:30 hrs 05/05/2025 until further notice

Constraint set(s) invoked:
T-GTSH_N-2

Manager NEM Real Time Operations
     
126881RECLASSIFY CONTINGENCY05/05/2025 07:12:33 PM

Reclassification of a Non-Credible Contingency Event: Ulverstone - Emu Bay 110kV line and Sheffield - Paloona - Ulverstone 1 & 2 110kV 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: Ulverstone - Emu Bay 110kV and Sheffield - Paloona - Ulverstone 1 & 2 110kV

Duration: 05/05/2025 19:12 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
126880RECLASSIFY CONTINGENCY05/05/2025 07:12:32 PM

Reclassification of a Non-Credible Contingency Event: Gordon - Chapel St No 1 220kV line and Gordon - Chapel St No 2 220kV 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: Gordon - Chapel St No 1 220kV and Gordon - Chapel St No 2 220kV

Duration: 05/05/2025 19:12 until further notice

Constraint set(s) invoked:
F-T-CSGO Constraint set contains the following interconnector(s) on the left hand side:
T-V-MNSP1
T-CSGO_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
     
126879RECLASSIFY CONTINGENCY05/05/2025 06:40:05 PM

Reclassification of a Non-Credible Contingency Event: Burnie - Port Latta - Smithton 1 110kV line and Burnie - Port Latta - Smithton 2 110kV 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: Burnie - Port Latta - Smithton 1 110kV and Burnie - Port Latta - Smithton 2 110kV

Duration: 05/05/2025 18:39 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
126875RECLASSIFY CONTINGENCY05/05/2025 03:24:01 PM

Cancellation of a Non-Credible Contingency Event: Gordon - Chapel St No 1 220kV line and Gordon - Chapel St No 2 220kV 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: Gordon - Chapel St No 1 220kV and Gordon - Chapel St No 2 220kV

Cancellation time: 05/05/2025 15:23

Constraint set(s) revoked:
F-T-CSGO Constraint set contains the following interconnector(s) on the left hand side:
T-V-MNSP1
T-CSGO_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE


Refer AEMO Electricity Market Notice 126861

Auto-generated on behalf of Manager NEM Real Time Operations
     
126874RECLASSIFY CONTINGENCY05/05/2025 02:39:01 PM

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: 05/05/2025 14:38

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 126857

Auto-generated on behalf of Manager NEM Real Time Operations
     
126873MARKET INTERVENTION05/05/2025 03:57:30 PM

Update Direction - AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN

AEMO ELECTRICITY MARKET NOTICE.

Update Direction - AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN

Refer to Market Notice 126854

TORRB2 TORRENS ISLAN at 2300 hrs 02/05/2025 to Remain synchronised and follow dispatch targets.

The TORRB2 TORRENS ISLAN direction is now expected to stay in place until 0400 hrs 07/05/2025.

The direction update is issued at 1600 hrs 05/05/2025.

Manager NEM Real Time Operations
     
126872MARKET INTERVENTION05/05/2025 03:57:30 PM

Update Direction - Pelican Point Power Limited - PPCCGT PELICAN POINT

AEMO ELECTRICITY MARKET NOTICE.

Update Direction - Pelican Point Power Limited - PPCCGT PELICAN POINT

Refer to Market Notice 126855

PPCCGT PELICAN POINT at 0001 hrs 03/05/2025 to Remain synchronised and follow dispatch targets.

The PPCCGT PELICAN POINT direction is expected to stay in place until 0400 hrs 07/05/2025.

The direction update is issued at 1600 hrs 05/05/2025.

Manager NEM Real Time Operations
     
126861RECLASSIFY CONTINGENCY05/05/2025 01:21:02 PM

Reclassification of a Non-Credible Contingency Event: Gordon - Chapel St No 1 220kV line and Gordon - Chapel St No 2 220kV 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: Gordon - Chapel St No 1 220kV and Gordon - Chapel St No 2 220kV

Duration: 05/05/2025 13:20 until further notice

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