Market Notices

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE VIC1 Region Thursday, 12 June 2025

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

Unit: YWPS4
Duration: 12/06/2025 00:05 to 12/06/2025 00:10
Amount: 14 MW
Constraint: NC-V_YWPS4

Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

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

AEMO ELECTRICITY MARKET NOTICE

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

AEMO ELECTRICITY MARKET NOTICE

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

AEMO ELECTRICITY MARKET NOTICE

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

AEMO ELECTRICITY MARKET NOTICE

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

AEMO ELECTRICITY MARKET NOTICE

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

AEMO ELECTRICITY MARKET NOTICE

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

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR2 condition in the QLD region advised in AEMO Electricity Market Notice No. 127480 has been updated to the following:

[1.] From 0630 hrs 10/06/2025 to 0700 hrs 10/06/2025.
The forecast capacity reserve requirement is 654 MW.
The minimum capacity reserve available is 608 MW.

[2.] From 1830 hrs 10/06/2025 to 1930 hrs 10/06/2025.
The forecast capacity reserve requirement is 905 MW.
The minimum capacity reserve available is 895 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