It’s day 1 of All Energy 2025 today (Wednesday 29th October 2025) , and the day will have already started – but I thought it would be topical to note another direction for System Strength in NSW.
At 08:12 the AEMO published MN130176:
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MARKET NOTICE
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From : AEMO
To : NEMITWEB1
Creation Date : 29/10/2025 08:12:48
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Notice ID : 130176
Notice Type ID : MARKET INTERVENTION
Notice Type Description : Reserve Contract / Direction / Instruction
Issue Date : 29/10/2025
External Reference : Direction – NSW region 29/10/2025
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Reason :
AEMO ELECTRICITY MARKET NOTICE
Direction – NSW region 29/10/2025
In accordance with section 116 of the National Electricity Law, AEMO has issued a direction to a participant in the NSW region. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a1)(1).
The issue of the direction commences an AEMO intervention event. AEMO declares all trading intervals during the event to be intervention trading intervals, commencing from the interval ending 0815 hrs on 29/10/2025.
Intervention pricing does not apply to this AEMO intervention event.
AEMO may issue or revoke additional directions in order to meet the current requirement, unless sufficient market response is provided. A further market notice will be issued when all directions related to this requirement have been cancelled.
Manager NEM Real Time Operations
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END OF REPORT
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… this was quickly followed by MN130177:
‘——————————————————————-
MARKET NOTICE
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From : AEMO
To : NEMITWEB1
Creation Date : 29/10/2025 08:12:58
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Notice ID : 130177
Notice Type ID : MARKET INTERVENTION
Notice Type Description : Reserve Contract / Direction / Instruction
Issue Date : 29/10/2025
External Reference : Direction – NSW region to Snowy Hydro Limited – TUMUT3-2 TUMUT3
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Reason :
AEMO ELECTRICITY MARKET NOTICE
Direction – NSW region to Snowy Hydro Limited – TUMUT3-2 TUMUT3
Refer to Market Notice 130176
In accordance with section 116 of the National Electricity Law, AEMO is issuing a direction to Snowy Hydro Limited. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a1)(1).
Direction issued to: Snowy Hydro Limited – TUMUT3-2 TUMUT3 at 0810 hrs 29/10/2025
Type of resource: generating unit operating as synchronous condenser
Required actions: Synchronise and operate as a synchronous condenser at 0810 hrs 29/10/2025
Services provided: System Strength,Voltage support is NOT required as part of this direction.
Circumstances necessitating the Direction:System Strength
Circumstances necessitating the Direction additional detail: intervention is required to maintain the power system in a secure operating state
Expected duration: 1400 hrs 29/10/2025
Snowy Hydro Limited does not incur any civil monetary liability for a relevant action taken in accordance with this direction unless the action is taken in bad faith.
Manager NEM Real Time Operations
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END OF REPORT
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It seems Vales Point VP6 is offline since 28 Oct 1 am. At least it’s when reporting ended
https://explore.openelectricity.org.au/facility/au/NEM/VP/?range=3d&interval=30m
So coal generation on 28 Oct was only 4,780 MW at 21:00 instead of 5,336 MW a day earlier