Market Notices

126832MARKET SYSTEMS01/05/2025 08:38:54 AM

CHG0102918:Network Change Impacting Norwest and Brisbane Control Room Phone Network

Change Number: CHG0102918

Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Local Area Network
Change Title: Network Change Impacting Norwest and Brisbane Control Room Phone Network
Change Start Date & Time: 01/05/2025 11:00:00
Change End Date & Time: 01/05/2025 16:00:00
Outage Start Date & Time: 01/05/2025 12:00:00
Outage End Date & Time: 01/05/2025 15:00:00
Environment: Production
Participant Impact and Requirements: Possibility of experiencing 2 x 30 seconds outages to Norwest and Brisbane Control Room phone networks on 1st May between 12 pm and 2 pm. You are hereby advised to maintain status quo and continue to reach out the Control rooms as you would normally do and only call Norwest on 02 8884 5291 or 02 8884 5292 and Brisbane on 0733473291 or 0733473292 if you have any trouble at all reaching them on their regular operating lines.

Support Information:
Report any impacts to the AEMO Information and Support Hub or call 1300 236 600.
Please refer to https://aemo.service-now.com/participantportal?id=pp_services_status for any planned/unplanned maintenance activities.
     
126831MARKET SYSTEMS01/05/2025 08:37:20 AM

CHG0102888:Network Change Impacting Norwest Control Room Phone Network

Change Number: CHG0102888

Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Local Area Network
Change Title: Network Change Impacting Norwest Control Room Phone Network
Change Start Date & Time: 30/04/2025 11:00:00
Change End Date & Time: 30/04/2025 16:00:00
Outage Start Date & Time: 27/04/2025 11:50:00
Outage End Date & Time: 30/04/2025 16:00:00
Environment: Production
Participant Impact and Requirements: 2 x 30 seconds outages to Norwest Control Room phone networks are expected on 30th April between 12 pm and 4 pm. You are hereby advised to maintain status quo and continue to reach out to Norwest control room as you would normally do and only call 02 8884 5291 or 02 8884 5292 if you have any trouble at all reaching them on their regular operating lines.

Support Information:
Report any impacts to the AEMO Information and Support Hub or call 1300 236 600.
Please refer to https://aemo.service-now.com/participantportal?id=pp_services_status for any planned/unplanned maintenance activities.
     
126830MARKET INTERVENTION01/05/2025 08:20:53 AM

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 126810

PPCCGT PELICAN POINT at 0930 hrs 01/05/2025 to Remain synchronised and follow dispatch targets.

The PPCCGT PELICAN POINT direction is expected to stay in place until 1500 hrs 01/05/2025.

The direction update is issued at 0820 hrs 01/05/2025.

Manager NEM Real Time Operations
     
126829RECLASSIFY CONTINGENCY01/05/2025 04:12:51 AM

Cancellation of a Non-Credible Contingency Event: Guybal Munjan - Chalumbin 857 275kV line line and Guybal Munjan - Chalumbin 858 275kV line line in QLD1 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: QLD1

Lines: Guybal Munjan - Chalumbin 857 275kV line and Guybal Munjan - Chalumbin 858 275kV line

Cancellation time: 01/05/2025 04:12

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


Refer AEMO Electricity Market Notice 126828

Auto-generated on behalf of Manager NEM Real Time Operations
     
126828RECLASSIFY CONTINGENCY01/05/2025 03:16:15 AM

Reclassification of a Non-Credible Contingency Event: Guybal Munjan - Chalumbin 857 275kV line line and Guybal Munjan - Chalumbin 858 275kV line line in QLD1 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: QLD1

Lines: Guybal Munjan - Chalumbin 857 275kV line and Guybal Munjan - Chalumbin 858 275kV line

Duration: 01/05/2025 03:16 until further notice

Constraint set(s) invoked:
Q-RSCH_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
     
126814MARKET INTERVENTION30/04/2025 05:25:48 PM

Cancellation - AEMO Intervention Event - SA region 29/04/2025

AEMO ELECTRICITY MARKET NOTICE

Cancellation - AEMO Intervention Event - SA region 29/04/2025

Refer to Market Notice 126779

The AEMO Intervention Event and all associated directions are cancelled from 1725 hrs on 30/04/2025.


Manager NEM Real Time Operations
     
126813MARKET INTERVENTION30/04/2025 05:25:38 PM

Cancellation: Direction issued to: Pelican Point Power Limited - PPCCGT PELICAN POINT

AEMO ELECTRICITY MARKET NOTICE

Cancellation: Direction issued to: Pelican Point Power Limited - PPCCGT PELICAN POINT

Refer to Market Notice 126782

Direction is cancelled from: 1725 hrs 30/04/2025

Manager NEM Real Time Operations
     
126812INTER-REGIONAL TRANSFER30/04/2025 04:31:48 PM

Inter-regional transfer limit variation - Red Cliffs - Buronga X1 220kV Line - NSW region - 30/04/2025

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Red Cliffs - Buronga X1 220kV Line - NSW region - 30/04/2025

A planned outage of Red Cliffs - Buronga X1 220kV Line in the NSW region was scheduled from 0700 hrs 27/04/2025 to 1700 hrs 02/05/2025.

The outage has been completed and Red Cliffs - Buronga X1 220kV Line returned to service at 1625 hrs 30/04/2025

Constraint set(s) revoked: I-BURC_X1

Manager NEM Real Time Operations
     
126811RECLASSIFY CONTINGENCY30/04/2025 03:54:51 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: 30/04/2025 15:54

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 126807

Auto-generated on behalf of Manager NEM Real Time Operations
     
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