AEMO released preliminary report into SA market suspension on 18th February 2022

One more thing I did not have time to note about as it happened was that on 4th March 2022, the AEMO published this 10-page ‘Preliminary Report: South Australia market suspension on 18 February 2022’:


We’d posted this short article referencing Market Notice 94690 published at 14:21 on the day informing the market of suspension.

The key points in this preliminary report appear to be that:

1)  From 13:39 on 18th February, Electranet had ‘only approximately 20% visibility’ … talk about flying blind!

2)  But that, despite this, ‘the power system remained in a secure operating state throughout the market suspension, and no generation or load was lost because of the incident’ … how much of this was good luck, and how much due to good management (i.e. what might be improved) will take more time to be determined.

This preliminary report concludes:

‘AEMO will also undertake further analysis relating to this event and prepare a final incident report in due course. The final report will include all the market suspension reporting requirements specified in NER 3.14.3(c)-(d) and 3.14.4(f)-(g).’

About the Author

Paul McArdle
One of three founders of Global-Roam back in 2000, Paul has been CEO of the company since that time. As an author on WattClarity, Paul's focus has been to help make the electricity market more understandable.

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