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126180RECLASSIFY CONTINGENCY01/04/2025 06:44:56 PM
Cancellation of a Non-Credible Contingency Event: Collinsville - Stoney Creek 7306 132KV LINE line and Collinsville - Newlands 7121 132KV 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: Collinsville - Stoney Creek 7306 132KV LINE and Collinsville - Newlands 7121 132KV LINE
Cancellation time: 01/04/2025 18:44
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 126173
Auto-generated on behalf of Manager NEM Real Time Operations
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: Collinsville - Stoney Creek 7306 132KV LINE and Collinsville - Newlands 7121 132KV LINE
Cancellation time: 01/04/2025 18:44
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 126173
Auto-generated on behalf of Manager NEM Real Time Operations
126179RECLASSIFY CONTINGENCY01/04/2025 06:44:55 PM
Cancellation of a Non-Credible Contingency Event: Collinsville North - Proserpine No.7125 132 kV line and Collinsville North - Proserpine No.7126 132 kV 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: Collinsville North - Proserpine No.7125 132 kV and Collinsville North - Proserpine No.7126 132 kV
Cancellation time: 01/04/2025 18:44
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 126174
Auto-generated on behalf of Manager NEM Real Time Operations
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: Collinsville North - Proserpine No.7125 132 kV and Collinsville North - Proserpine No.7126 132 kV
Cancellation time: 01/04/2025 18:44
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 126174
Auto-generated on behalf of Manager NEM Real Time Operations
126177MARKET SYSTEMS01/04/2025 03:56:17 PM
CHG0101896 - EMMS Pre-Production Systems will be transferred to the alternative datacentre for maintenance activities .
Change Number: CHG0101896
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Electricity Market Management System_PreProd
Change Title: EMMS Pre-Production Systems will be transferred to the alternative datacentre for maintenance activities .
Change Start Date & Time: 01/04/2025 08:00:00
Change End Date & Time: 11/04/2025 17:00:00
Outage Start Date & Time: 03/04/2025 08:00:00
Outage End Date & Time: 03/04/2025 22:00:00
Environment: Pre-Production
Participant Impact and Requirements: EMMS Pre-Production Systems will be transferred to the alternative datacentre for maintenance activities. Maintenance activities will be conducted on the following dates:
1/04/2025
3/04/2025
8/04/2025
During the window,FPP calculations may be delayed at various points.
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 .
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Electricity Market Management System_PreProd
Change Title: EMMS Pre-Production Systems will be transferred to the alternative datacentre for maintenance activities .
Change Start Date & Time: 01/04/2025 08:00:00
Change End Date & Time: 11/04/2025 17:00:00
Outage Start Date & Time: 03/04/2025 08:00:00
Outage End Date & Time: 03/04/2025 22:00:00
Environment: Pre-Production
Participant Impact and Requirements: EMMS Pre-Production Systems will be transferred to the alternative datacentre for maintenance activities. Maintenance activities will be conducted on the following dates:
1/04/2025
3/04/2025
8/04/2025
During the window,FPP calculations may be delayed at various points.
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 .
126176MARKET SYSTEMS01/04/2025 03:53:50 PM
CHG0102365 - Planned System Maintenance in Production for Web Exchanger
Change Number: CHG0102365
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: DWGM - Web Exchanger
Change Title: Planned System Maintenance in Production for Web Exchanger
Change Start Date & Time: 08/04/2025 18:30:00
Change End Date & Time: 08/04/2025 20:30:00
Outage Start Date & Time: 08/04/2025 18:30:00
Outage End Date & Time: 08/04/2025 19:00:00
Environment: Production
Participant Impact and Requirements: DWGM Web Exchanger system outage due to planned maintenance.
The following impacts are expected during the maintenance activities:
- All access to the DWGM Web Exchanger System will be unavailable.
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 .
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: DWGM - Web Exchanger
Change Title: Planned System Maintenance in Production for Web Exchanger
Change Start Date & Time: 08/04/2025 18:30:00
Change End Date & Time: 08/04/2025 20:30:00
Outage Start Date & Time: 08/04/2025 18:30:00
Outage End Date & Time: 08/04/2025 19:00:00
Environment: Production
Participant Impact and Requirements: DWGM Web Exchanger system outage due to planned maintenance.
The following impacts are expected during the maintenance activities:
- All access to the DWGM Web Exchanger System will be unavailable.
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 .
126175MARKET SYSTEMS01/04/2025 03:51:32 PM
CHG0102364 - Planned System Maintenance - DWGM Production Web Exchanger
Change Number: CHG0102364
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: DWGM - Web Exchanger
Change Title: Planned System Maintenance - DWGM Production Web Exchanger
Change Start Date & Time: 08/04/2025 18:30:00
Change End Date & Time: 08/04/2025 20:30:00
Outage Start Date & Time: 08/04/2025 18:30:00
Outage End Date & Time: 08/04/2025 19:00:00
Environment: Production
Participant Impact and Requirements: DWGM Web Exchanger system outage due to planned maintenance.
The following impacts are expected during the maintenance activities:
- All access to the DWGM Web Exchanger System will be unavailable.
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 .
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: DWGM - Web Exchanger
Change Title: Planned System Maintenance - DWGM Production Web Exchanger
Change Start Date & Time: 08/04/2025 18:30:00
Change End Date & Time: 08/04/2025 20:30:00
Outage Start Date & Time: 08/04/2025 18:30:00
Outage End Date & Time: 08/04/2025 19:00:00
Environment: Production
Participant Impact and Requirements: DWGM Web Exchanger system outage due to planned maintenance.
The following impacts are expected during the maintenance activities:
- All access to the DWGM Web Exchanger System will be unavailable.
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 .
126174RECLASSIFY CONTINGENCY01/04/2025 03:41:40 PM
Reclassification of a Non-Credible Contingency Event: Collinsville North - Proserpine No.7125 132 kV line and Collinsville North - Proserpine No.7126 132 kV 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: Collinsville North - Proserpine No.7125 132 kV and Collinsville North - Proserpine No.7126 132 kV
Duration: 01/04/2025 15:41 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
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: Collinsville North - Proserpine No.7125 132 kV and Collinsville North - Proserpine No.7126 132 kV
Duration: 01/04/2025 15:41 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
126173RECLASSIFY CONTINGENCY01/04/2025 03:41:35 PM
Reclassification of a Non-Credible Contingency Event: Collinsville - Stoney Creek 7306 132KV LINE line and Collinsville - Newlands 7121 132KV 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: Collinsville - Stoney Creek 7306 132KV LINE and Collinsville - Newlands 7121 132KV LINE
Duration: 01/04/2025 15:41 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
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: Collinsville - Stoney Creek 7306 132KV LINE and Collinsville - Newlands 7121 132KV LINE
Duration: 01/04/2025 15:41 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
126172MARKET INTERVENTION01/04/2025 03:58:48 PM
Direction - SA region to Pelican Point Power Limited - PPCCGT PELICAN POINT
AEMO ELECTRICITY MARKET NOTICE
Direction - SA region to Pelican Point Power Limited - PPCCGT PELICAN POINT
Refer to Market Notice 126170
In accordance with section 116 of the National Electricity Law, AEMO is issuing a direction to Pelican Point Power Limited. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a1)(1).
Direction issued to: Pelican Point Power Limited - PPCCGT PELICAN POINT at 1600 hrs 01/04/2025
Type of resource: generating unit
Required actions: Remain synchronised and follow dispatch targets at 0930 hrs 02/04/2025
Services provided: Voltage Control
Circumstances necessitating the Direction: Voltage
Circumstances necessitating the Direction additional detail: The synchronous generating units currently expected to be synchronised in SA will be inadequate to maintain sufficient Voltage Control in SA. Intervention is required to maintain the power system in a secure operating state
Expected duration: 0400 hrs 03/04/2025.
Pelican Point Power 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
Direction - SA region to Pelican Point Power Limited - PPCCGT PELICAN POINT
Refer to Market Notice 126170
In accordance with section 116 of the National Electricity Law, AEMO is issuing a direction to Pelican Point Power Limited. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a1)(1).
Direction issued to: Pelican Point Power Limited - PPCCGT PELICAN POINT at 1600 hrs 01/04/2025
Type of resource: generating unit
Required actions: Remain synchronised and follow dispatch targets at 0930 hrs 02/04/2025
Services provided: Voltage Control
Circumstances necessitating the Direction: Voltage
Circumstances necessitating the Direction additional detail: The synchronous generating units currently expected to be synchronised in SA will be inadequate to maintain sufficient Voltage Control in SA. Intervention is required to maintain the power system in a secure operating state
Expected duration: 0400 hrs 03/04/2025.
Pelican Point Power 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
126171MARKET INTERVENTION01/04/2025 04:02:45 PM
Direction - SA region to AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN
AEMO ELECTRICITY MARKET NOTICE
Direction - SA region to AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN
Refer to Market Notice 126170
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 - TORRB4 TORRENS ISLAN at 1610 hrs 01/04/2025
Type of resource: generating unit
Required actions: Remain synchronised and follow dispatch targets at 0900 hrs 02/04/2025
Services provided: Voltage Control
Circumstances necessitating the Direction: Voltage
Circumstances necessitating the Direction additional detail: The synchronous generating units currently expected to be synchronised in SA will be inadequate to maintain sufficient Voltage Control in SA. Intervention is required to maintain the power system in a secure operating state
Expected duration: 0400 hrs 03/04/2025.
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
Direction - SA region to AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN
Refer to Market Notice 126170
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 - TORRB4 TORRENS ISLAN at 1610 hrs 01/04/2025
Type of resource: generating unit
Required actions: Remain synchronised and follow dispatch targets at 0900 hrs 02/04/2025
Services provided: Voltage Control
Circumstances necessitating the Direction: Voltage
Circumstances necessitating the Direction additional detail: The synchronous generating units currently expected to be synchronised in SA will be inadequate to maintain sufficient Voltage Control in SA. Intervention is required to maintain the power system in a secure operating state
Expected duration: 0400 hrs 03/04/2025.
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