‘Actual LOR1’ in NSW from 15:43 on Thursday 18th December 2025

At 15:43 (NEM time) on Thursday 18th December 2025, the AEMO issued MN131786 as follows:

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MARKET NOTICE
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From :              AEMO
To   :              NEMITWEB1
Creation Date :     18/12/2025     15:43:17

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Notice ID               :         131786
Notice Type ID          :         RESERVE NOTICE
Notice Type Description :         LRC/LOR1/LOR2/LOR3
Issue Date              :         18/12/2025
External Reference      :         Actual Lack Of Reserve Level 1 (LOR1) in the NSW region – 18/12/2025

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Reason :

AEMO ELECTRICITY MARKET NOTICE

Actual Lack Of Reserve Level 1 (LOR1) in the NSW region – 18/12/2025

An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1530 hrs.
The Actual LOR1 condition is forecast to exist until 18/12/2025 2100 hrs

The capacity reserve requirement is 1360 MW
The minimum capacity reserve available is 777 MW

Manager NEM Real Time Operations

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END OF REPORT
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Here’s a snapshot from NEMwatch for the 15:50 dispatch interval to show the lay of the land: