We noted three Market Notices yesterday (Tuesday 14th October 2025) with respect to ‘AEMO flags possible intervention tomorrow (Wed 15th Oct 2025) for System Strength in Victoria’.
At the timing flagged in the third Market Notice yesterday (MN129590), just after 08:00 (NEM time) on Wednesday 15th October 2025, the AEMO published four related Market Notices as follows – starting with MN129599 at 08:00:
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MARKET NOTICE
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From : AEMO
To : NEMITWEB1
Creation Date : 15/10/2025 08:00:14
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Notice ID : 129599
Notice Type ID : MARKET INTERVENTION
Notice Type Description : Reserve Contract / Direction / Instruction
Issue Date : 15/10/2025
External Reference : Direction – VIC region 15/10/2025
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Reason :
AEMO ELECTRICITY MARKET NOTICE
Direction – VIC region 15/10/2025
In accordance with section 116 of the National Electricity Law, AEMO has issued a direction to a participant in the VIC 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 0805 hrs on 15/10/2025.
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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Then three others followed, pertaining to Directions to specific units at EnergyAustralia’s Jeeralang Power Station:
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| Jeeralang B01 | Jeeralang A02 | Jeeralang A01 |
|---|---|---|
|
At 08:03 the MN129600 reads: ——————————————————————- From : AEMO ——————————————————————- Notice ID : 129600 ——————————————————————- Reason : AEMO ELECTRICITY MARKET NOTICE Direction – VIC region to EnergyAustralia Ecogen Pty Ltd – JLB01 JEERALANG B PO Refer to Market Notice 129590 In accordance with section 116 of the National Electricity Law, AEMO is issuing a direction to EnergyAustralia Ecogen Pty Ltd. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a1)(1). Direction issued to: EnergyAustralia Ecogen Pty Ltd – JLB01 JEERALANG B PO at 0800 hrs 15/10/2025 EnergyAustralia Ecogen Pty Ltd 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 ——————————————————————- |
At 08:03 the MN129608 reads: ——————————————————————- From : AEMO ——————————————————————- Notice ID : 129608 ——————————————————————- Reason : AEMO ELECTRICITY MARKET NOTICE Direction – VIC region to EnergyAustralia Ecogen Pty Ltd – JLA02 JEERALANG A PO Refer to Market Notice 129590 In accordance with section 116 of the National Electricity Law, AEMO is issuing a direction to EnergyAustralia Ecogen Pty Ltd. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a1)(1). Direction issued to: EnergyAustralia Ecogen Pty Ltd – JLA02 JEERALANG A PO at 0800 hrs 15/10/2025 EnergyAustralia Ecogen Pty Ltd 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 ——————————————————————- |
At 08:04 the MN129609 reads: ——————————————————————- From : AEMO ——————————————————————- Notice ID : 129609 ——————————————————————- Reason : AEMO ELECTRICITY MARKET NOTICE Direction – VIC region to EnergyAustralia Ecogen Pty Ltd – JLA01 JEERALANG A PO Refer to Market Notice 129590 In accordance with section 116 of the National Electricity Law, AEMO is issuing a direction to EnergyAustralia Ecogen Pty Ltd. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a1)(1). Direction issued to: EnergyAustralia Ecogen Pty Ltd – JLA01 JEERALANG A PO at 0800 hrs 15/10/2025 EnergyAustralia Ecogen Pty Ltd 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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This was cancelled (via MN129615 at 08:41) because ‘AEMO changes mind, and directs Murray instead (to run as syncon) for System Strength in Victoria on Wednesday 15th October 2025’ |
This was cancelled (via MN129614 at 08:41) because ‘AEMO changes mind, and directs Murray instead (to run as syncon) for System Strength in Victoria on Wednesday 15th October 2025’ |
This was cancelled (via MN129613 at 08:41) because ‘AEMO changes mind, and directs Murray instead (to run as syncon) for System Strength in Victoria on Wednesday 15th October 2025’ |
That’s all, for now…
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