Market Notices

128465RESERVE NOTICE11/08/2025 03:25:07 PM

STPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 19/08/2025

AEMO ELECTRICITY MARKET NOTICE

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

From 0000 hrs to 0300 hrs 19/08/2025.
The forecast capacity reserve requirement is 411 MW.
The minimum capacity reserve available is 407 MW.

AEMO Operations
     
128464RESERVE NOTICE11/08/2025 03:24:57 PM

STPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 18/08/2025

AEMO ELECTRICITY MARKET NOTICE

AEMO declares a Forecast LOR1 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 0930 hrs 18/08/2025.
The forecast capacity reserve requirement is 405 MW.
The minimum capacity reserve available is 400 MW.

2. From 1700 hrs to 2359 hrs 18/08/2025.
The forecast capacity reserve requirement is 406 MW.
The minimum capacity reserve available is 402 MW.

AEMO Operations
     
128462INTER-REGIONAL TRANSFER09/08/2025 09:39:28 AM

Inter-regional transfer limit variation - Tailem Bend - South East No.2 275 kV line - SA region - 09/08/2025

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Tailem Bend - South East No.2 275 kV line - SA region - 09/08/2025

At 1000 hrs 09/08/2025 there is a short notice outage of Tailem Bend - South East No.2 275 kV line.

The following constraint set(s) invoked at 1000 hrs 09/08/2025
S-BC_CP
S_SEC6611_10_BC_2CP
S-SE_VC1_BC-2CP
S-TBSE
S-TBTU_BC-2CP

This constraint set(s) contains equations with the following interconnectors on the LHS.
V-S-MNSP1
V-SA
NSW1-QLD1
T-V-MNSP1
VIC1-NSW1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
     
128459INTER-REGIONAL TRANSFER07/08/2025 08:49:36 PM

Inter-regional transfer limit variation - APD A2 500/220 kV Transformer - VIC region - 07/08/2025

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - APD A2 500/220 kV Transformer - VIC region - 07/08/2025

At 1734 hrs 07/08/2025 there was an unplanned outage of APD A2 500/220 kV Transformer

The following constraint set(s) invoked at 1750 hrs 07/08/2025
F-I_ML_APD_LOAD

This constraint set(s) contains equations with the following interconnectors on the LHS.
T-V-MNSP1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
     
128457RESERVE NOTICE06/08/2025 03:16:12 PM

PDPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the VIC Region on 07/08/2025

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR1 condition in the VIC region advised in AEMO Electricity Market Notice No. 128455 is cancelled at 1515 hrs 06/08/2025.

Manager NEM Real Time Operations
     
128456RESERVE NOTICE06/08/2025 03:07:57 PM

STPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the TAS Region on 07/08/2025

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR1 condition in the TAS region advised in AEMO Electricity Market Notice No. 128430 is cancelled at 1400 hrs 06/08/2025.

AEMO Operations
     
128455RESERVE NOTICE06/08/2025 01:25:22 PM

PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the VIC Region on 07/08/2025

AEMO ELECTRICITY MARKET NOTICE

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


[1.] From 0730 hrs 07/08/2025 to 0800 hrs 07/08/2025.
The forecast capacity reserve requirement is 1148 MW.
The minimum capacity reserve available is 942 MW.


Manager NEM Real Time Operations
     
128453INTER-REGIONAL TRANSFER06/08/2025 09:49:32 AM

Inter-regional transfer limit variation - Red Cliffs - Wemen 220kV LINE and Koorangie - Wemen 220kV LINE - VIC region - 06/08/2025

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Red Cliffs - Wemen 220kV LINE and Koorangie - Wemen 220kV LINE - VIC region - 06/08/2025

A planned outage of Red Cliffs - Wemen 220kV LINE and Koorangie - Wemen 220kV LINE in the VIC region was scheduled from 0700 hrs 06/08/2025 to 1800 hrs 06/08/2025.

The outage has been completed and Red Cliffs - Wemen 220kV LINE and Koorangie - Wemen 220kV LINE returned to service at 0945 hrs 06/08/2025

Constraint set(s) revoked: V-KO_WE_RC

Manager NEM Real Time Operations
     
128452RECLASSIFY CONTINGENCY06/08/2025 07:04:50 AM

Cancellation of a Non-Credible Contingency Event: Farrell-John Butters line and Farrell-Rosebery-Newton-Queenstown line in TAS1 due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any lightning activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.

Region: TAS1

Lines: Farrell-John Butters and Farrell-Rosebery-Newton-Queenstown

Cancellation time: 06/08/2025 07:04

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 128451

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