AEMO issue market notice regarding a ‘High Impact Outage’ in NSW this Sunday 20th July 2025

Earlier this afternoon at 14:05 NEM time, the AEMO issued a market notice highlighting a high impact transmission outag,e planned for this Sunday in New South Wales:

MARKET NOTICE 128168
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Notice ID 128168
Notice Type ID Subjects not covered in specific notices
Notice Type Description MARKET
Issue Date Friday, 18 July 2025
External Reference Planned outage of Dapto - Kangaroo Valley (18) 330 kV line in the NSW region on 20/07/2025
________________________________________________________________________________________________

AEMO ELECTRICITY MARKET NOTICE

The Dapto - Kangaroo Valley (18) 330 kV line in the New South Wales (NSW) region is planned to be out of service from 0615 hrs to 1630 hrs 20/07/2025.

This outage is considered as a High Impact Outage (HIO).

During this planned outage:
- There is a potential for Energy and FCAS prices to approach the Market Price Cap.
- Power transfer will be restricted between VIC/Snowy and NSW.

Refer AEMO Network Outage Schedule (NOS) for further details.

AEMO Operations

This particular outage affects a section of the transmission network that forms an important corridor for transfers between VIC and NSW.


About the Author

Dan Lee
Dan is a Market Analyst, who joined Global-Roam in June 2013. He departed (and returned) for a couple of brief stints overseas, before rejoining the team permanently in late 2019. Alongside his work at Global-Roam, he has undertaken short-term contract roles as an analyst and researcher in various areas of the energy sector. Dan graduated from the Master of Sustainable Energy program at the University of Queensland in 2024.

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