Market Notices

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: 20/04/2025 23:09

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 126625

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AEMO ELECTRICITY MARKET NOTICE

Cancellation: Direction issued to: AGL SA Generation Pty Limited - BARKER INLET PS

Refer to Market Notice 126632

Direction is cancelled from: 2045 hrs 20/04/2025

Manager NEM Real Time Operations

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: 20/04/2025 20:29

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 126623

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AEMO ELECTRICITY MARKET NOTICE.

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

Refer to Market Notice 126602

TORRB2 TORRENS ISLAN at 2030 hrs 20/04/2025 to Synchronise and follow dispatch targets.

The TORRB2 TORRENS ISLAN direction is expected to stay in place until 0400 hrs 22/04/2025.

The direction update is issued at 2004 hrs 20/04/2025.

Manager NEM Real Time Operations

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: 20/04/2025 20:14

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 126629

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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: Norwood - Scottsdale 1 110kV and Norwood-Derby-Scottsdale 110kV

Cancellation time: 20/04/2025 20:14

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 126628

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AEMO ELECTRICITY MARKET NOTICE

Direction - SA region to AGL SA Generation Pty Limited - BARKER INLET PS

Refer to Market Notice 126592


In accordance with section 116 of the National Electricity Law, AEMO is issuing a direction to AGL SA Generation Pty Limited. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a1)(1).

Direction issued to: AGL SA Generation Pty Limited - BARKER INLET PS at 2004 hrs 20/04/2025
Type of resource: generating unit
Required actions: Synchronise and follow dispatch targets at 2015 hrs 20/04/2025
Services provided: Voltage Control
Circumstances necessitating the Direction:Voltage
Circumstances necessitating the Direction additional detail: intervention is required to maintain the power system in a secure operating state
Expected duration: 2045 hrs 20/04/2025 / further notice.

AGL SA Generation Pty Limited does not incur any civil monetary liability for a relevant action taken in accordance with this direction unless the action is taken in bad faith.

Manager NEM Real Time Operations

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

Cancellation time: 20/04/2025 20:09

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 126627

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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: Burnie - Port Latta - Smithton 1 110kV and Burnie - Port Latta - Smithton 2 110kV

Cancellation time: 20/04/2025 19:29

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 126626

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