Forecast Minimum System Load for Victoria next Saturday 25th October 2025

A short note to flag MN129813 published at 14:16 (NEM time) on Sunday 19th October 2025 looking forward to next Saturday 25th October 2025, flagging possible Minimum System Load as follows:

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MARKET NOTICE
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From : AEMO
To : NEMITWEB1
Creation Date : 19/10/2025 14:16:27

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Notice ID : 129813
Notice Type ID : MINIMUM SYSTEM LOAD
Notice Type Description : MSL1/MSL2/MSL3
Issue Date : 19/10/2025
External Reference : Forecast Minimum System Load MSL1 condition in the VIC Region on 25/10/2025

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Reason :

AEMO ELECTRICITY MARKET NOTICE
Forecast Minimum System Load MSL1 condition in the VIC Region on 25/10/2025

AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the VIC on 25/10/2025.

Minimum System Load (MSL) conditions are forecast when demand is less than the relevant MSL threshold. The advisory MSL thresholds are:
– MSL1 – 1720 MW
– MSL2 – 1220 MW
– MSL3 – 720 MW

The demand is forecast to be below the MSL1 threshold for the following period[s]:
From 1230 hrs 25/10/2025 to 1300 hrs 25/10/2025. Minimum demand is forecast to be 1695 MW at 1300 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 .

Manager NEM Real Time Operations

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END OF REPORT
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About the Author

Paul McArdle
Paul was one of the founders of Global-Roam in February 2000. He is currently the CEO of the company and the principal author of WattClarity. Writing for WattClarity has become a natural extension of his work in understanding the electricity market, enabling him to lead the team in developing better software for clients. Before co-founding the company, Paul worked as a Mechanical Engineer for the Queensland Electricity Commission in the early 1990s. He also gained international experience in Japan, the United States, Canada, the UK, and Argentina as part of his ES Cornwall Memorial Scholarship.

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