Market Notices

Change Number: CHG0101257

Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Frequency Performance Payments Engine
Change Title: Frequency Performance Payments Release

Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.

Change Number: CHG0102031

Notification issued to: 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: 10/04/2025 10:00:00
Change End Date & Time: 10/04/2025 17:00:00
Outage Start Date & Time:
Outage End Date & Time:
Environment: Pre-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. Incase noticed any issues, 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: CHG0102167

Notification issued to: Market Notice
Notification Type: Cancelled
Change Type: Normal
Service/ Component: Local Area Network
Change Title: Planned Maintenance to NSW Marketnet Site to Site VPN Router

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

Cancellation: Direction issued to: Pelican Point Power Limited - PPCCGT PELICAN POINT

Refer to Market Notice 125906

Direction is cancelled from: 0400 hrs 26/03/2025

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Lower Tumut - Canberra 07 330kV Line - NSW region - 25/03/2025

A planned outage of Lower Tumut - Canberra 07 330kV Line in the NSW region was scheduled from 1746 hrs 21/03/2025 to 1800 hrs 26/03/2025.

The outage has been completed and Lower Tumut - Canberra 07 330kV Line returned to service at 1555 hrs 25/03/2025

Constraint set(s) revoked: N-CNLT_07

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE QLD1 Region Tuesday, 25 March 2025

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

Unit: MPP_1
Duration: 25/03/2025 14:55 to 25/03/2025 15:45
Amount: -55 MW
Constraint: NC-Q_MPP_1

Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Direction - SA region to Pelican Point Power Limited - PPCCGT PELICAN POINT

Refer to Market Notice 125898


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 25/03/2025
Type of resource: generating unit
Required actions: Remain synchronised and follow dispatch targets at 0830 hrs 26/03/2025
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 27/03/2025.

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

AEMO ELECTRICITY MARKET NOTICE.

Update Direction - AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN

Refer to Market Notice 125908

The TORRB2 TORRENS ISLAN direction is now expected to stay in place until 0400 hrs 27/03/2025.

The direction update is issued at 1600 hrs 25/03/2025.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Cancellation: Direction issued to: AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN

Refer to Market Notice 125900

Direction is cancelled from: 0400 hrs 25/03/2025

Manager NEM Real Time Operations