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Initial - CHG0102957 - Roll out of TLS 1.3 support for Gas B2B Hub and disable TLS versions 1.0/1.1
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.
Initial - CHG0104481 - Update Shareplex NuTCracker resource allocation
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.
STPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 12/07/2025
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
STPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 11/07/2025
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
STPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 07/07/2025
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
STPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 07/07/2025
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following period:
1. From 1730 hrs to 2000 hrs 07/07/2025.
The forecast capacity reserve requirement is 1558 MW.
The minimum capacity reserve available is 1313 MW.
AEMO Operations
CHG0103089 - ERI & STPASA Recall Period Production Release
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: EMMS - Dispatch
Change Title: ERI & STPASA Recall Period Production Release
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
PDPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 02/07/2025
The Forecast LOR1 condition in the SA region advised in AEMO Electricity Market Notice No. 127909 is cancelled at 1134 hrs 02/07/2025.
Manager NEM Real Time Operations
PDPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 02/07/2025
The Forecast LOR1 condition in the SA region advised in AEMO Electricity Market Notice No. 127908 has been updated to the following:
[1.] From 1900 hrs 02/07/2025 to 2130 hrs 02/07/2025.
The forecast capacity reserve requirement is 435 MW.
The minimum capacity reserve available is 326 MW.
Manager NEM Real Time Operations