Market Notices

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Yass Overload Control Scheme - NSW region - 11/02/2025

At 1750 hrs 11/02/2025 there was a short notice outage of Yass Overload Control Scheme.

The following constraint set(s) invoked at 1750 hrs: N-YSWG_SCHEME

This constraint set(s) contains equations with the following interconnectors on the LHS,
V-S-MNSP1
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 - MLTS-SMTS No1 500 kV line CB at SYTS - VIC region - 11/02/2025

At 1538 hrs 11/02/2025 there was an unplanned outage of MLTS-SMTS No1 500 kV line CB at SYTS .

The following constraint set(s) invoked at 1600 hrs 11/02/2025
V-SY_CB

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

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Referring to Market Notice 124466.

The power system security condition in the SA region, requiring AEMO to invoke the automated constraint set CA_SYDS_56BD5936 has ended at 1520 hrs.

Constraint set revoked: CA_SYDS_56BD5936

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Update to Market Notice 124437 - AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the VIC region on 16/02/2025.

Minimum System Load (MSL) conditions are forecast when regional demand is less than the relevant MSL threshold. The advisory MSL thresholds are:
o MSL1 - 2115 MW
o MSL2 - 1615 MW
o MSL3 - 1115 MW

The regional demand is forecast to be below the MSL1 threshold for the following period:
From 1200 hrs to 1500 hrs 16/02/2025. Minimum regional demand is forecast to be 1873 MW at 1330 hrs.

Forecast regional demand (DEMAND50) is published in Short Term and Pre-Dispatch PASA region solution reports available on Market Data NEMWEB: https://aemo.com.au/en/energy-systems/electricity/national-electricity-market-nem/data-nem/market-data-nemweb .


AEMO Operations

AEMO ELECTRICITY MARKET NOTICE

In order to maintain the power system in a secure operating state in the SA region, AEMO has invoked automated constraint set CA_SYDS_56BD5936 from 1410 hrs until further notice.

This constraint set contains equations with the following interconnector on the LHS;

V-SA

Manager NEM Real Time Operations

Change Number: CHG0100111

Notification issued to: Market Notice

Notification Type: Completed

Change Type: Normal

Service/Component: MDM - Meter Data Management_PreProd

Change Title: Pre-Prod eMDM February Maintenance Release

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

AEMO ELECTRICITY MARKET NOTICE

AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the VIC region on 16/02/2025.

Minimum System Load (MSL) conditions are forecast when regional demand is less than the relevant MSL threshold. The advisory MSL thresholds are:
o MSL1 - 2060 MW
o MSL2 - 1560 MW
o MSL3 - 1060 MW

The regional demand is forecast to be below the MSL1 threshold for the following period:
From 1130 hrs to 1430 hrs 16/02/2025. Minimum regional demand is forecast to be 1838 MW at 1330 hrs.

Forecast regional demand (DEMAND50) is published in Short Term and Pre-Dispatch PASA region solution reports available on Market Data NEMWEB: https://aemo.com.au/en/energy-systems/electricity/national-electricity-market-nem/data-nem/market-data-nemweb .


AEMO Operations

AEMO ELECTRICITY MARKET NOTICE

ALERT - Frequency Performance Payments (FPP) System

AEMO experienced service interruption relating to Frequency Performance Payments (FPP) System. The FPP System was unable to calculate & publish Contribution Factors (CFs) from 14:36 Hrs AEST on 9/02/2025 till 09:34 Hrs AEST on 10/02/2025.

The service interruption relating to Frequency Performance Payments (FPP) System has now been resolved.

Default Contribution Factors (DCFs) will be applicable for the trading intervals where CFs were not calculated.

For further enquiries please contact the AEMO Support Hub
Phone: 1300 236 600
Email: supporthub@aemo.com.au

AEMO ELECTRICITY MARKET NOTICE

AEMO's weather service provider has issued forecast temperatures equal to or greater than the NEM Local Temperature Alert Levels for listed weather stations below.

SA
Adelaide West Terrace (39+ Deg C): 11th Feb, 12th Feb
Clare High School (39+ Deg C): 12th Feb
Mt Gambier Ap (39+ Deg C): 12th Feb
Port Augusta Ap (39+ Deg C): 11th Feb, 12th Feb

VIC
Mildura Ap (39+ Deg C): 12th Feb

The NEM Local Temperature Alert Levels are:

Launceston Ti Tree Bend: 33 Deg C, Dalby Airport: 37 Deg C, for all other selected weather stations: 39 Deg C.

AEMO requests Market Participants to:

1. review the weather forecast in the local area where their generating units / MNSP converter stations are located and,

2. if required, update the available capacity in their dispatch offers or availability submissions consistent with the forecast temperatures.

Further information is available at:

https://aemo.com.au/energy-systems/electricity/national-electricity-market-nem/nem-forecasting-and-planning/forecasting-and-reliability/projected-assessment-of-system-adequacy/nem-local-temperature-alerts

AEMO Operations Planning