Market Notices

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Armidale No 1 SVC - NSW region - 11/02/2025

At 2315 hrs 11/02/2025 there was an unplanned outage of Armidale No 1 SVC.

The following constraint set(s) invoked at 2325 hrs 11/02/2025
N-AR_VC1

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

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

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

Inter-regional transfer limit variation - Ingleburn - Wallerawang (77) 330 kV line - NSW region - 10/02/2025

At 0945 hrs 10/02/2025 there was an unplanned outage of Ingleburn - Wallerawang (77) 330 kV line.

The following constraint set(s) invoked at 0955 hrs 10/02/2025
N-X_AVMA_SSWW

This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1,NSW1-QLD1,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 -Collector - Marulan (4) 330 kV line - NSW region - 06/02/2025

The outage has been completed and Collector - Marulan (4) 330 kV line returned to service at 0825 hrs 06/02/2025

Constraint set(s) revoked: N-CTMN_4_WG_CLOSE

Manager NEM Real Time Operations