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Cancellation- Inter-regional transfer limit variation - constraint automation to manage Power System Security in NSW region - 11/06/2025
Cancellation- Inter-regional transfer limit variation - constraint automation to manage Power System Security in NSW region - 11/06/2025
Refer AEMO Electricity Market Notice 127501
In order to maintain the power system in a secure operating state in the NSW region, AEMO invoked automated constraint set CA_SYDS_575BC182 from 1755 hrs until 1810 hrs.
This constraint set contains equations with the following interconnector on the LHS;
N-Q-MNSP1
Manager NEM Real Time Operations
Inter-regional transfer limit variation - constraint automation to manage Power System Security in NSW region - 11/06/2025
In order to maintain the power system in a secure operating state in the NSW region, AEMO has invoked automated constraint set CA_SYDS_575BC182 from 1755 hrs until further notice.
This constraint set contains equations with the following interconnector on the LHS;
N-Q-MNSP1
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Collector - Yass (3L) 330kV line - NSW region - 11/06/2025
Inter-regional transfer limit variation - Collector - Yass (3L) 330kV line - NSW region - 11/06/2025
A planned outage of Collector - Yass (3L) 330kV line in the NSW region was scheduled from 0700 hrs 10/06/2025 to 1500 hrs 16/06/2025.
The outage has been completed and Collector - Yass (3L) 330kV line returned to service at 1611 hrs 11/06/2025
Constraint set(s) revoked: N-CTYS_3L_WG_CLOSE
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Middle Ridge - Greenbank (8848) 275 kV LINE- QLD region - 10/06/2025
Inter-regional transfer limit variation - Middle Ridge - Greenbank (8848) 275 kV LINE - QLD region - 10/06/2025
At 1000 hrs 10/06/2025 there was a short notice outage of Middle Ridge - Greenbank (8848) 275 kV LINE.
The following constraint set(s) invoked at 1030 hrs 10/06/2025
Q-MRGB_8848_8849
This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1,NSW1-QLD1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
STPASA - Cancellation of the Forecast Lack Of Reserve Level 2 (LOR2) in the QLD Region on 10/06/2025
The Forecast LOR2 condition in the QLD region advised in AEMO Electricity Market Notice No. 127481 is cancelled at 01:15 hrs. 09/06/2025.
Manager NEM Real Time Operations
PDPASA - Cancellation of the Forecast Lack Of Reserve Level 2 (LOR2) in the QLD Region on 11/06/2025
The Forecast LOR2 condition in the QLD region advised in AEMO Electricity Market Notice No. 127482 is cancelled at 01:15 hrs. 09/06/2025.
Manager NEM Real Time Operations
INC0145687 - RESOLVED - Frequency Performance Payments (FPP) System
AEMO ELECTRICITY MARKET NOTICE
SERVICE INTERRUPTION - RESOLVED
The service interruption relating to Frequency Performance Payments (FPP) System has been resolved.
The FPP System started normal operations from 00:25 Hrs AEST on 09/06/2025
Default Contribution Factors (DCFs) will be used for Regulation Frequency Control Ancillary Service (FCAS) recovery for the trading intervals where CFs were not calculated. No FPP amount will be paid or due for those Trading Intervals.
For further enquiries please contact the AEMO Support Hub
Phone: 1300 236 600
Email: supporthub@aemo.com.au
AEMO IT Duty Manager
INC0145687 - ALERT - Frequency Performance Payments (FPP) Syste
AEMO ELECTRICITY MARKET NOTICE
SERVICE INTERRUPTION - ALERT
AEMO is experiencing a service interruption relating to Frequency Performance Payments (FPP) System.
The service interruption started from 20:25 hrs AEST on 08/06/2025. The participants will experience a delay in receiving FPP factors.
AEMO is working on resolving the issue and will provide updates as more information becomes available.
For further enquiries please contact the AEMO Support Hub
Phone: 1300 236 600
Email: supporthub@aemo.com.au
STPASA - Forecast Lack Of Reserve Level 2 (LOR2) in the QLD Region on 11/06/2025
AEMO declares a Forecast LOR2 condition under clause 4.8.4(b) of the National Electricity Rules for the QLD region for the following period:
[1.] From 1800 hrs 11/06/2025 to 1900 hrs 11/06/2025.
The forecast capacity reserve requirement is 881 MW.
The minimum capacity reserve available is 856 MW.
AEMO is seeking a market response.
AEMO has not yet estimated the latest time at which it would need to intervene through an AEMO intervention event.
Manager NEM Real Time Operations