Forecast Minimum System Load MSL1 condition in the SA Region on 19/09/2026

AEMO ELECTRICITY MARKET NOTICE
Forecast Minimum System Load MSL1 condition in the SA Region on 19/09/2026

AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the SA on 19/09/2026.

Minimum System Load (MSL) conditions are forecast when demand is less than the relevant MSL threshold. The advisory MSL thresholds are:
-	MSL1: -40 MW 
-	MSL2: -315 MW 
-	MSL3: -530 MW 

The demand is forecast to be below the MSL1  threshold for the following period:
From 1200 hrs 19/09/2026 to 1430 hrs 19/09/2026. Minimum demand is forecast to be -111 MW at 1330 hrs.

Forecast demand refers to forecast Operational Demand that excludes contribution from Significant Non-Scheduled Generation: see definitions at https://aemo.com.au/energy-systems/electricity/national-electricity-market-nem/data-nem/operational-demand-data .

AEMO is seeking a market response. 

AEMO has not yet estimated the latest time it would need to intervene through an AEMO intervention event.

Manager NEM Real Time Operations