Market Notices

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE QLD1 Region Friday, 4 July 2025

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:

Unit: TARONG#3
Duration: 04/07/2025 16:40 to 04/07/2025 16:45
Amount: -18 MW
Constraint: NC-Q_TARONG#3

Auto-generated on behalf of Manager NEM Real Time Operations

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.

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.

AEMO ELECTRICITY MARKET NOTICE

AEMO declares a Forecast LOR2 condition under clause 4.8.4(b) of the National Electricity Rules for the SA region for the following period:

1. From 0000 hrs to 0230 hrs 12/07/2025.
The forecast capacity reserve requirement is 230 MW.
The minimum capacity reserve available is 181 MW.

AEMO is seeking a market response.

AEMO has not yet estimated the latest time it would need to intervene through an AEMO intervention event.

AEMO Operations

AEMO ELECTRICITY MARKET NOTICE

AEMO declares a Forecast LOR2 condition under clause 4.8.4(b) of the National Electricity Rules for the SA region for the following periods:

1. From 0400 hrs to 1030 hrs 11/07/2025.
The forecast capacity reserve requirement is 230 MW.
The minimum capacity reserve available is 135 MW.

2. From 1700 hrs to 2359 hrs 11/07/2025.
The forecast capacity reserve requirement is 230 MW.
The minimum capacity reserve available is 109 MW.

AEMO is seeking a market response.

AEMO has not yet estimated the latest time it would need to intervene through an AEMO intervention event.

AEMO Operations

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR2 condition in the SA region advised in AEMO Electricity Market Notice No. 127931 is cancelled at 1200 hrs 04/07/2025.

No LOR2 condition is currently forecast in the STPASA period.

AEMO Operations

AEMO ELECTRICITY MARKET NOTICE

AEMO declares a Forecast LOR2 condition under clause 4.8.4(b) of the National Electricity Rules for the SA region for the following period:

1. From 0930 hrs to 1100 hrs 06/07/2025.
The forecast capacity reserve requirement is 743 MW.
The minimum capacity reserve available is 695 MW.

AEMO is seeking a market response.

AEMO has not yet estimated the latest time it would need to intervene through an AEMO intervention event.

AEMO Operations

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE NSW1 Region Thursday, 3 July 2025

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:

Unit: WTAHB1
Duration: 03/07/2025 14:05 to 03/07/2025 14:10
Amount: 13 MW
Constraint: NC-N_WTAHB1

Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR2 condition in the SA region advised in AEMO Electricity Market Notice No. 127922 is cancelled at 1200 hrs 03/07/2025.

No LOR2 condition is currently forecast in the STPASA period.

AEMO Operations