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127957RESERVE NOTICE05/07/2025 02:30:15 PM
STPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 12/07/2025
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR1 condition in the SA region advised in AEMO Electricity Market Notice No. 127943 has been updated to the following:
[1.] From 0000 hrs 12/07/2025 to 0330 hrs 12/07/2025.
The forecast capacity reserve requirement is 456 MW.
The minimum capacity reserve available is 366 MW.
Manager NEM Real Time Operations
The Forecast LOR1 condition in the SA region advised in AEMO Electricity Market Notice No. 127943 has been updated to the following:
[1.] From 0000 hrs 12/07/2025 to 0330 hrs 12/07/2025.
The forecast capacity reserve requirement is 456 MW.
The minimum capacity reserve available is 366 MW.
Manager NEM Real Time Operations
127956RESERVE NOTICE05/07/2025 02:28:42 PM
STPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 11/07/2025
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR1 condition in the SA region advised in AEMO Electricity Market Notice No. 127942 has been updated to the following:
[1.] From 0400 hrs 11/07/2025 to 1200 hrs 11/07/2025.
The forecast capacity reserve requirement is 450 MW.
The minimum capacity reserve available is 344 MW.
[2.] From 1630 hrs 11/07/2025 to 0000 hrs 12/07/2025.
The forecast capacity reserve requirement is 456 MW.
The minimum capacity reserve available is 340 MW.
Manager NEM Real Time Operations
The Forecast LOR1 condition in the SA region advised in AEMO Electricity Market Notice No. 127942 has been updated to the following:
[1.] From 0400 hrs 11/07/2025 to 1200 hrs 11/07/2025.
The forecast capacity reserve requirement is 450 MW.
The minimum capacity reserve available is 344 MW.
[2.] From 1630 hrs 11/07/2025 to 0000 hrs 12/07/2025.
The forecast capacity reserve requirement is 456 MW.
The minimum capacity reserve available is 340 MW.
Manager NEM Real Time Operations
127955MARKET INTERVENTION05/07/2025 02:55:44 PM
Cancellation - AEMO Intervention Event - SA region 04/07/2025
AEMO ELECTRICITY MARKET NOTICE
Cancellation - AEMO Intervention Event - SA region 04/07/2025
Refer to Market Notice 127935
The AEMO Intervention Event and all associated directions are cancelled from 1500 hrs on 05/07/2025.
Manager NEM Real Time Operations
Cancellation - AEMO Intervention Event - SA region 04/07/2025
Refer to Market Notice 127935
The AEMO Intervention Event and all associated directions are cancelled from 1500 hrs on 05/07/2025.
Manager NEM Real Time Operations
127954MARKET INTERVENTION05/07/2025 02:55:38 PM
Cancellation: Direction issued to: AGL SA Generation Pty Limited - TORRB3 TORRENS ISLAN
AEMO ELECTRICITY MARKET NOTICE
Cancellation: Direction issued to: AGL SA Generation Pty Limited - TORRB3 TORRENS ISLAN
Refer to Market Notice 127936
Direction is cancelled from: 1500 hrs 05/07/2025
Manager NEM Real Time Operations
Cancellation: Direction issued to: AGL SA Generation Pty Limited - TORRB3 TORRENS ISLAN
Refer to Market Notice 127936
Direction is cancelled from: 1500 hrs 05/07/2025
Manager NEM Real Time Operations
127953MARKET INTERVENTION05/07/2025 01:55:02 PM
Direction - SA region to AGL SA Generation Pty Limited - TORRB3 TORRENS ISLAN
AEMO ELECTRICITY MARKET NOTICE
Direction - SA region to AGL SA Generation Pty Limited - TORRB3 TORRENS ISLAN
Refer to Market Notice 127952
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 - TORRB3 TORRENS ISLAN at 1400 hrs 05/07/2025
Type of resource: generating unit
Required actions: Remain synchronised and follow dispatch targets at 2200 hrs 05/07/2025
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: 1430 hrs 06/07/2025.
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 - TORRB3 TORRENS ISLAN
Refer to Market Notice 127952
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 - TORRB3 TORRENS ISLAN at 1400 hrs 05/07/2025
Type of resource: generating unit
Required actions: Remain synchronised and follow dispatch targets at 2200 hrs 05/07/2025
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: 1430 hrs 06/07/2025.
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
127952MARKET INTERVENTION05/07/2025 01:55:12 PM
Direction - SA region 05/07/2025
AEMO ELECTRICITY MARKET NOTICE
Direction - SA region 05/07/2025
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 1405 hrs on 05/07/2025.
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 05/07/2025
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 1405 hrs on 05/07/2025.
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
127950MARKET INTERVENTION05/07/2025 08:16:17 AM
Update - Foreseeable AEMO intervention in SA region
AEMO ELECTRICITY MARKET NOTICE
Update - Foreseeable AEMO intervention in SA region
Refer AEMO Electricity Market Notice 127949
AEMO has identified a foreseeable circumstance that may require an AEMO intervention event in the SA region from 2200 hrs 05/07/2025.
The foreseeable circumstance requiring the need for intervention is Voltage
AEMO estimates that, in the absence of sufficient market response by 1400 hrs 05/07/2025, 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 127949
AEMO has identified a foreseeable circumstance that may require an AEMO intervention event in the SA region from 2200 hrs 05/07/2025.
The foreseeable circumstance requiring the need for intervention is Voltage
AEMO estimates that, in the absence of sufficient market response by 1400 hrs 05/07/2025, AEMO may need to intervene by issuing a direction.
Manager NEM Real Time Operations
127949MARKET INTERVENTION05/07/2025 07:38:36 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 2200 hrs 05/07/2025.
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 2200 hrs 05/07/2025.
The foreseeable circumstance requiring the need for intervention is Voltage.
Manager NEM Real Time Operations
127945MARKET SYSTEMS04/07/2025 04:21:45 PM
Initial - CHG0102957 - Roll out of TLS 1.3 support for Gas B2B Hub and disable TLS versions 1.0/1.1
Change Number: CHG0102957
Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Gas Hub
Change Title: Roll out of TLS 1.3 support for Gas B2B Hub and disable TLS versions 1.0/1.1
Change Start Date & Time: 03/08/2025 10:00:00
Change End Date & Time: 03/08/2025 14:00:00
Outage Start Date & Time:
Outage End Date & Time:
Environment: Production
Participant Impact and Requirements: The Gas B2B hub servers will be updated to support TLS (Transport Layer Security) 1.3 version. Also the legacy versions 1.0 and 1.1 will be disabled and not be supported going forward. Participants are required to use TLS 1.2 as a minimum protocol to communicate with AEMO, failing to do so will impact the connectivity. An outage is not expected but, there may be some minor interruptions during the change period.
Participants are required to make sure the connectivity is intact post change implementation. In case of any issues noticed, please reach out to AEMO Support Hub.
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.
Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Gas Hub
Change Title: Roll out of TLS 1.3 support for Gas B2B Hub and disable TLS versions 1.0/1.1
Change Start Date & Time: 03/08/2025 10:00:00
Change End Date & Time: 03/08/2025 14:00:00
Outage Start Date & Time:
Outage End Date & Time:
Environment: Production
Participant Impact and Requirements: The Gas B2B hub servers will be updated to support TLS (Transport Layer Security) 1.3 version. Also the legacy versions 1.0 and 1.1 will be disabled and not be supported going forward. Participants are required to use TLS 1.2 as a minimum protocol to communicate with AEMO, failing to do so will impact the connectivity. An outage is not expected but, there may be some minor interruptions during the change period.
Participants are required to make sure the connectivity is intact post change implementation. In case of any issues noticed, please reach out to AEMO Support Hub.
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.