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125983MARKET INTERVENTION27/03/2025 04:59:51 AM
Update - Foreseeable AEMO intervention in SA region
AEMO ELECTRICITY MARKET NOTICE
Update - Foreseeable AEMO intervention in SA region
Refer AEMO Electricity Market Notice 125982
AEMO has identified a foreseeable circumstance that may require an AEMO intervention event in the SA region from 0730 hrs 27/03/2025.
The foreseeable circumstance requiring the need for intervention is Voltage.
AEMO estimates that, in the absence of sufficient market response by 0515 hrs 27/03/2025, AEMO may need to intervene by issuing a direction.
Manager NEM Real Time Operations
Update - Foreseeable AEMO intervention in SA region
Refer AEMO Electricity Market Notice 125982
AEMO has identified a foreseeable circumstance that may require an AEMO intervention event in the SA region from 0730 hrs 27/03/2025.
The foreseeable circumstance requiring the need for intervention is Voltage.
AEMO estimates that, in the absence of sufficient market response by 0515 hrs 27/03/2025, AEMO may need to intervene by issuing a direction.
Manager NEM Real Time Operations
125982MARKET INTERVENTION27/03/2025 04:54:20 AM
Foreseeable AEMO intervention under clause 4.8.5A (a) of the NER in SA region
AEMO ELECTRICITY MARKET NOTICE
Foreseeable AEMO intervention under clause 4.8.5A (a) of the NER in SA region
AEMO has identified a foreseeable circumstance that may require an AEMO intervention event in the SA region from 0730 hrs 27/03/2025.
The foreseeable circumstance requiring the need for intervention is Voltage.
Manager NEM Real Time Operations
Foreseeable AEMO intervention under clause 4.8.5A (a) of the NER in SA region
AEMO has identified a foreseeable circumstance that may require an AEMO intervention event in the SA region from 0730 hrs 27/03/2025.
The foreseeable circumstance requiring the need for intervention is Voltage.
Manager NEM Real Time Operations
125981MARKET INTERVENTION27/03/2025 04:48:05 AM
Cancellation - AEMO Intervention Event - SA region 23/03/2025
AEMO ELECTRICITY MARKET NOTICE
Cancellation - AEMO Intervention Event - SA region 23/03/2025
Refer to Market Notice 125898
The AEMO Intervention Event and all associated directions are cancelled from 0450 hrs on 27/03/2025.
Manager NEM Real Time Operations
Cancellation - AEMO Intervention Event - SA region 23/03/2025
Refer to Market Notice 125898
The AEMO Intervention Event and all associated directions are cancelled from 0450 hrs on 27/03/2025.
Manager NEM Real Time Operations
125980MARKET INTERVENTION27/03/2025 04:47:55 AM
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 125960
Direction is cancelled from: 0450 hrs 27/03/2025
Manager NEM Real Time Operations
Cancellation: Direction issued to: Pelican Point Power Limited - PPCCGT PELICAN POINT
Refer to Market Notice 125960
Direction is cancelled from: 0450 hrs 27/03/2025
Manager NEM Real Time Operations
125963POWER SYSTEM EVENTS26/03/2025 04:20:27 PM
Non-credible contingency event - TAS region - 26/03/2025
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - TAS region - 26/03/2025
At 1551 hrs the Palmerston A 220kV Bus tripped.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
Approximately 40MW of generation was disconnected.
The cause of this non credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.
AEMO will not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations
Non-credible contingency event - TAS region - 26/03/2025
At 1551 hrs the Palmerston A 220kV Bus tripped.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
Approximately 40MW of generation was disconnected.
The cause of this non credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.
AEMO will not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations
125962MARKET INTERVENTION26/03/2025 04:00:45 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 125898
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 1600 hrs 26/03/2025
Type of resource: generating unit
Required actions: Remain synchronised and follow dispatch targets at 0900 hrs 27/03/2025
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: 1630 hrs 27/03/2025.
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 125898
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 1600 hrs 26/03/2025
Type of resource: generating unit
Required actions: Remain synchronised and follow dispatch targets at 0900 hrs 27/03/2025
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: 1630 hrs 27/03/2025.
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
125961MARKET INTERVENTION27/03/2025 03:12:07 AM
Cancellation: Direction issued to: AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
AEMO ELECTRICITY MARKET NOTICE
Cancellation: Direction issued to: AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
Refer to Market Notice 125942
Direction is cancelled from: 0315 hrs 27/03/2025
Manager NEM Real Time Operations
Cancellation: Direction issued to: AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
Refer to Market Notice 125942
Direction is cancelled from: 0315 hrs 27/03/2025
Manager NEM Real Time Operations
125960MARKET INTERVENTION26/03/2025 04:00:35 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 125943
The PPCCGT PELICAN POINT direction is now expected to stay in place until 0400 hrs 28/03/2025.
The direction update is issued at 1600 hrs 26/03/2025.
Manager NEM Real Time Operations
Update Direction - Pelican Point Power Limited - PPCCGT PELICAN POINT
Refer to Market Notice 125943
The PPCCGT PELICAN POINT direction is now expected to stay in place until 0400 hrs 28/03/2025.
The direction update is issued at 1600 hrs 26/03/2025.
Manager NEM Real Time Operations
125959MARKET SYSTEMS26/03/2025 03:22:45 PM
CHG0102325 - Maintenance activities to be performed on the Gas Short Term Trading Market Systems Pre-Production.
Change Number: CHG0102325
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Short Term Trading Market (STTM)
Change Title: Maintenance activities to be performed on the Gas Short Term Trading Market Systems Pre-Production.
Change Start Date & Time: 31/03/2025 08:00:00
Change End Date & Time: 31/03/2025 17:30:00
Outage Start Date & Time:
Outage End Date & Time:
Environment: Pre-Production
Participant Impact and Requirements: This is a regular procedure to allow routine maintenance. Short service outages over the day for STTM services including SWEX and MIS.
Pre-Production Gas Short Term Trading Market (STTM)
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: Short Term Trading Market (STTM)
Change Title: Maintenance activities to be performed on the Gas Short Term Trading Market Systems Pre-Production.
Change Start Date & Time: 31/03/2025 08:00:00
Change End Date & Time: 31/03/2025 17:30:00
Outage Start Date & Time:
Outage End Date & Time:
Environment: Pre-Production
Participant Impact and Requirements: This is a regular procedure to allow routine maintenance. Short service outages over the day for STTM services including SWEX and MIS.
Pre-Production Gas Short Term Trading Market (STTM)
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 .