Market Notices

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Heywood M1 500/275kV XFMR - VIC region - 29/05/2026

A planned outage of Heywood M1 500/275kV XFMR in the VIC region was scheduled from 1100 hrs 25/05/2026 to 1800 hrs 29/05/2026.

The outage has been completed and Heywood M1 500/275kV XFMR returned to service at 0920 hrs 29/05/2026

Constraint set(s) revoked: V-HYTX_M12

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Koorangie to Wemen 220 kV Line - VIC region - 25/05/2026

At 1130 hrs 25/05/2026 there was a short notice outage of Koorangie to Wemen 220 kV Line.

The following constraint set(s) invoked at 1130 hrs 25/05/2026
V-KOWE

This constraint set(s) contains equations with the following interconnectors on the LHS.
V-S-MNSP1,T-V-MNSP1,V-SA,VIC1-NSW1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Tailem Bend 275 kV East Bus - SA region - 24/05/2026

At 1250 hrs 24/05/2026 there was a short notice outage of Tailem Bend 275 kV East Bus.

The following constraint set(s) invoked at 1250 hrs 24/05/2026
S-TB275_E_BUS

This constraint set(s) contains equations with the following interconnectors on the LHS.
V-SA

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - South Morang F2 500/330kV XFMR - VIC region - 20/05/2026

The outage has been rescheduled for 0630 hrs 18/05/2026 to 1700 hrs 22/05/2026.

Constraint set(s) invoked: V-SMTX_F_R

This constraint set(s) contains equations with the following interconnectors on the LHS.
T-V-MNSP1,V-SA,VIC1-NSW1,V-S-MNSP1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR1 condition in the QLD region advised in AEMO Electricity Market Notice No. 144111 is cancelled at 1015 hrs 18/05/2026.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR1 condition in the QLD region advised in AEMO Electricity Market Notice No. 144108 has been updated to the following:

[1.] From 1700 hrs 18/05/2026 to 1900 hrs 18/05/2026.
The forecast capacity reserve requirement is 1194 MW.
The minimum capacity reserve available is 1014 MW.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR1 condition in the QLD region advised in AEMO Electricity Market Notice No. 144092 has been updated to the following:

[1.] From 0600 hrs 19/05/2026 to 1930 hrs 19/05/2026.
The forecast capacity reserve requirement is 1197 MW.
The minimum capacity reserve available is 1012 MW.

[2.] From 2130 hrs 19/05/2026 to 2200 hrs 19/05/2026.
The forecast capacity reserve requirement is 1199 MW.
The minimum capacity reserve available is 1146 MW.


Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the QLD region for the following Periods:


[1.] From 1700 hrs 18/05/2026 to 1930 hrs 18/05/2026.
The forecast capacity reserve requirement is 1194 MW.
The minimum capacity reserve available is 829 MW.


[2.] From 2200 hrs 18/05/2026 to 2230 hrs 18/05/2026.
The forecast capacity reserve requirement is 1197 MW.
The minimum capacity reserve available is 1194 MW.


Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR2 condition in the QLD region advised in AEMO Electricity Market Notice No. 144106 is cancelled at 1400 hrs 17/05/2026.

Manager NEM Real Time Operations