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125670MARKET INTERVENTION15/03/2025 04:19:29 PM
Direction - SA region 15/03/2025
AEMO ELECTRICITY MARKET NOTICE
Direction - SA region 15/03/2025
In accordance with section 116 of the National Electricity Law, AEMO has issued a direction to a participant in the SA region. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a1)(1).
The issue of the direction commences an AEMO intervention event. AEMO declares all trading intervals during the event to be intervention trading intervals, commencing from the interval ending 1600 hrs on 15/03/2025.
Intervention pricing does not apply to this AEMO intervention event.
AEMO may issue or revoke additional directions in order to meet the current requirement, unless sufficient market response is provided. A further market notice will be issued when all directions related to this requirement have been cancelled.
Manager NEM Real Time Operations
Direction - SA region 15/03/2025
In accordance with section 116 of the National Electricity Law, AEMO has issued a direction to a participant in the SA region. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a1)(1).
The issue of the direction commences an AEMO intervention event. AEMO declares all trading intervals during the event to be intervention trading intervals, commencing from the interval ending 1600 hrs on 15/03/2025.
Intervention pricing does not apply to this AEMO intervention event.
AEMO may issue or revoke additional directions in order to meet the current requirement, unless sufficient market response is provided. A further market notice will be issued when all directions related to this requirement have been cancelled.
Manager NEM Real Time Operations
125669MARKET INTERVENTION15/03/2025 03:54:44 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 125666
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 15/03/2025
Type of resource: generating unit
Required actions: Remain synchronised and follow dispatch targets at 0300 hrs 16/03/2025
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: 0400 hrs 17/03/2025
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 125666
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 15/03/2025
Type of resource: generating unit
Required actions: Remain synchronised and follow dispatch targets at 0300 hrs 16/03/2025
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: 0400 hrs 17/03/2025
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
125667MARKET INTERVENTION15/03/2025 04:53:12 PM
Direction - SA region to AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
AEMO ELECTRICITY MARKET NOTICE
Direction - SA region to AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
Refer to Market Notice 125666
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 - TORRB2 TORRENS ISLAN at 1700 hrs 15/03/2025
Type of resource: generating unit
Required actions: Remain synchronised and follow dispatch targets at 0130 hrs 16/03/2025
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: 0400 hrs 17/03/2025
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 - TORRB2 TORRENS ISLAN
Refer to Market Notice 125666
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 - TORRB2 TORRENS ISLAN at 1700 hrs 15/03/2025
Type of resource: generating unit
Required actions: Remain synchronised and follow dispatch targets at 0130 hrs 16/03/2025
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: 0400 hrs 17/03/2025
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
125666MARKET INTERVENTION15/03/2025 02:17:06 PM
Update - Foreseeable AEMO intervention in SA region
AEMO ELECTRICITY MARKET NOTICE
Update - Foreseeable AEMO intervention in SA region
Refer AEMO Electricity Market Notice 125664
AEMO has identified a foreseeable circumstance that may require an AEMO intervention event in the SA region from 0130 hrs 16/03/2025.
The foreseeable circumstance requiring the need for intervention is Voltage.
AEMO estimates that, in the absence of sufficient market response by 1600 hrs 15/03/2025, 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 125664
AEMO has identified a foreseeable circumstance that may require an AEMO intervention event in the SA region from 0130 hrs 16/03/2025.
The foreseeable circumstance requiring the need for intervention is Voltage.
AEMO estimates that, in the absence of sufficient market response by 1600 hrs 15/03/2025, AEMO may need to intervene by issuing a direction.
Manager NEM Real Time Operations
125664MARKET INTERVENTION15/03/2025 01:25:17 PM
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 0130 hrs 16/03/2025.
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 0130 hrs 16/03/2025.
The foreseeable circumstance requiring the need for intervention is Voltage.
Manager NEM Real Time Operations
125568POWER SYSTEM EVENTS12/03/2025 03:00:00 PM
Update - Non-credible contingency event - TAS region - 12/03/2025
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - TAS region - 12/03/2025
Refer AEMO Electricity Market Notice 125564
The cause of this non credible contingency event is not known at this stage.
AEMO is not satisfied that this non credible event is unlikely to re-occur.
AEMO has therefore reclassified this event as a credible contingency event until further notice.
Region: TAS
Elements: Ulverstone - Emu Bay 110kV Line and the Ulverstone - Sheffield tee Paloona 110kV Line
Duration: 1500 hrs 12/03/2025 until further notice
Constraint set(s) invoked: Nil
Manager NEM Real Time Operations
Update - Non-credible contingency event - TAS region - 12/03/2025
Refer AEMO Electricity Market Notice 125564
The cause of this non credible contingency event is not known at this stage.
AEMO is not satisfied that this non credible event is unlikely to re-occur.
AEMO has therefore reclassified this event as a credible contingency event until further notice.
Region: TAS
Elements: Ulverstone - Emu Bay 110kV Line and the Ulverstone - Sheffield tee Paloona 110kV Line
Duration: 1500 hrs 12/03/2025 until further notice
Constraint set(s) invoked: Nil
Manager NEM Real Time Operations
125566POWER SYSTEM EVENTS12/03/2025 02:58:09 PM
Update - Non-credible contingency event - TAS region - 12/03/2025
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - TAS region - 12/03/2025
Refer AEMO Electricity Market Notice 125556
The cause of this non credible contingency event is not known at this stage.
AEMO is not satisfied that this non credible event is unlikely to re-occur.
AEMO has therefore reclassified this event as a credible contingency event until further notice.
Region: TAS
Elements: Sheffield - Burnie No. 1 220kV Line, Sheffield - Burnie No. 2 110kV Line and the Ulverstone - Emu Bay 110kV Line
Duration: 1400 hrs 12/03/2025 until further notice
Constraint set(s) invoked: Nil
Manager NEM Real Time Operations
Update - Non-credible contingency event - TAS region - 12/03/2025
Refer AEMO Electricity Market Notice 125556
The cause of this non credible contingency event is not known at this stage.
AEMO is not satisfied that this non credible event is unlikely to re-occur.
AEMO has therefore reclassified this event as a credible contingency event until further notice.
Region: TAS
Elements: Sheffield - Burnie No. 1 220kV Line, Sheffield - Burnie No. 2 110kV Line and the Ulverstone - Emu Bay 110kV Line
Duration: 1400 hrs 12/03/2025 until further notice
Constraint set(s) invoked: Nil
Manager NEM Real Time Operations
125564POWER SYSTEM EVENTS12/03/2025 02:33:32 PM
Non-credible contingency event - TAS region - 12/03/2025
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - TAS region - 12/03/2025
At 1303 hrs the Ulverstone - Emu Bay 110kV Line and the Ulverstone - Sheffield tee Paloona 110kV Line tripped and auto reclosed.
AEMO did not instruct load shedding.
Approximately 12MW of bulk electrical load was disconnected momentarily.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
Non-credible contingency event - TAS region - 12/03/2025
At 1303 hrs the Ulverstone - Emu Bay 110kV Line and the Ulverstone - Sheffield tee Paloona 110kV Line tripped and auto reclosed.
AEMO did not instruct load shedding.
Approximately 12MW of bulk electrical load was disconnected momentarily.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
125561POWER SYSTEM EVENTS12/03/2025 02:12:35 PM
Update - Non-credible contingency event - TAS region - 12/03/2025
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - TAS region - 12/03/2025
Refer AEMO Electricity Market Notice 125555
Updated elements: Sheffield George Town No. 1 220kV Line, Sheffield George Town No. 2 220kV Line plus 40 MW load loss at Nystar and 56 MW load loss at Temco.
Manager NEM Real Time Operations
Update - Non-credible contingency event - TAS region - 12/03/2025
Refer AEMO Electricity Market Notice 125555
Updated elements: Sheffield George Town No. 1 220kV Line, Sheffield George Town No. 2 220kV Line plus 40 MW load loss at Nystar and 56 MW load loss at Temco.
Manager NEM Real Time Operations