At 14:21:43 (about 40 minutes after we’d posted ‘Simultaneous trip of ER01 and ER02 drops mainland frequency in the NEM’ but before Part 2) the AEMO published MN115944 as follows:
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MARKET NOTICE
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From : AEMO
To : NEMITWEB1
Creation Date : 03/04/2024 14:21:43
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Notice ID : 115944
Notice Type ID : POWER SYSTEM EVENTS
Notice Type Description : Emergency events/conditions
Issue Date : 03/04/2024
External Reference : Non-credible contingency event – NSW region – 03/04/2024
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Reason :
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event – NSW region – 03/04/2024
At 1322 hrs the Eraring Power Station Unit 1 and the Eraring Power Station Unit 2 tripped.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
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END OF REPORT
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