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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.
127944MARKET SYSTEMS04/07/2025 02:47:35 PM
Initial - CHG0104481 - Update Shareplex NuTCracker resource allocation
Change Number: CHG0104481
Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Electricity Market Management System_PreProd
Change Title: Update Shareplex NuTCracker resource allocation
Change Start Date & Time: 08/07/2025 10:00:00
Change End Date & Time: 08/07/2025 17:00:00
Outage Start Date & Time: 08/07/2025 10:00:00
Outage End Date & Time: 08/07/2025 12:00:00
Environment: Pre-Production
Participant Impact and Requirements: The Pre-Production Electricity Market Management System(EMMS) ,Frequency Performance Payments (FPP) ,Gas Supply Hub (GSH) will be unavailable during the scheduled outage window.
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: Electricity Market Management System_PreProd
Change Title: Update Shareplex NuTCracker resource allocation
Change Start Date & Time: 08/07/2025 10:00:00
Change End Date & Time: 08/07/2025 17:00:00
Outage Start Date & Time: 08/07/2025 10:00:00
Outage End Date & Time: 08/07/2025 12:00:00
Environment: Pre-Production
Participant Impact and Requirements: The Pre-Production Electricity Market Management System(EMMS) ,Frequency Performance Payments (FPP) ,Gas Supply Hub (GSH) will be unavailable during the scheduled outage window.
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.
127943RESERVE NOTICE04/07/2025 03:14:06 PM
STPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 12/07/2025
AEMO ELECTRICITY MARKET NOTICE
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the SA region for the following period:
From 0230 hrs to 0400 hrs 12/07/2025.
The forecast capacity reserve requirement is 450 MW.
The minimum capacity reserve available is 235 MW.
AEMO Operations
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the SA region for the following period:
From 0230 hrs to 0400 hrs 12/07/2025.
The forecast capacity reserve requirement is 450 MW.
The minimum capacity reserve available is 235 MW.
AEMO Operations
127942RESERVE NOTICE04/07/2025 03:14:27 PM
STPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 11/07/2025
AEMO ELECTRICITY MARKET NOTICE
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the SA region for the following periods:
1. From 1030 hrs to 1200 hrs 11/07/2025.
The forecast capacity reserve requirement is 449 MW.
The minimum capacity reserve available is 230 MW.
2. From 1600 hrs to 1630 hrs 11/07/2025.
The forecast capacity reserve requirement is 451 MW.
The minimum capacity reserve available is 397 MW.
AEMO Operations
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the SA region for the following periods:
1. From 1030 hrs to 1200 hrs 11/07/2025.
The forecast capacity reserve requirement is 449 MW.
The minimum capacity reserve available is 230 MW.
2. From 1600 hrs to 1630 hrs 11/07/2025.
The forecast capacity reserve requirement is 451 MW.
The minimum capacity reserve available is 397 MW.
AEMO Operations
127941RESERVE NOTICE04/07/2025 03:14:57 PM
STPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 07/07/2025
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 127927 is cancelled at 1400 hrs 04/07/2025.
AEMO Operations
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 127927 is cancelled at 1400 hrs 04/07/2025.
AEMO Operations
127938MARKET INTERVENTION04/07/2025 04:00:11 PM
Cancellation - AEMO Intervention Event - SA region 03/07/2025
AEMO ELECTRICITY MARKET NOTICE
Cancellation - AEMO Intervention Event - SA region 03/07/2025
Refer to Market Notice 127928
The AEMO Intervention Event and all associated directions are cancelled from 1600 hrs on 04/07/2025.
Manager NEM Real Time Operations
Cancellation - AEMO Intervention Event - SA region 03/07/2025
Refer to Market Notice 127928
The AEMO Intervention Event and all associated directions are cancelled from 1600 hrs on 04/07/2025.
Manager NEM Real Time Operations
127937MARKET INTERVENTION04/07/2025 03:59:25 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 127932
Direction is cancelled from: 1600 hrs 04/07/2025
Manager NEM Real Time Operations
Cancellation: Direction issued to: AGL SA Generation Pty Limited - TORRB3 TORRENS ISLAN
Refer to Market Notice 127932
Direction is cancelled from: 1600 hrs 04/07/2025
Manager NEM Real Time Operations
127936MARKET INTERVENTION04/07/2025 02:00:13 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 127933
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 04/07/2025
Type of resource: generating unit
Required actions: Remain synchronised and follow dispatch targets at 2200 hrs 04/07/2025
Services provided: Voltage Control
Circumstances necessitating the Direction: Voltage
Circumstances necessitating the Direction additional detail: intervention is required to maintain the power system in a secure operating state
Expected duration: 1500 hrs 05/07/2025
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 127933
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 04/07/2025
Type of resource: generating unit
Required actions: Remain synchronised and follow dispatch targets at 2200 hrs 04/07/2025
Services provided: Voltage Control
Circumstances necessitating the Direction: Voltage
Circumstances necessitating the Direction additional detail: intervention is required to maintain the power system in a secure operating state
Expected duration: 1500 hrs 05/07/2025
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
127935MARKET INTERVENTION04/07/2025 02:00:03 PM
Direction - SA region 04/07/2025
AEMO ELECTRICITY MARKET NOTICE
Direction - SA region 04/07/2025
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 04/07/2025.
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 04/07/2025
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 04/07/2025.
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